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1646results about How to "Real-time acquisition" patented technology

Crossroad traffic event automatic detection system based on multi-source information fusion

The invention discloses a crossroad traffic event automatic detection system based on multi-source information fusion. The invention aims at urban crossroad traffic management, establishes audio-video traffic information acquisition, traffic information analytical processing and traffic event automatic alarming three subsystems. The invention mainly comprises: designing and realizing an acquisition subsystem of multi-source traffic information (traffic audio information, traffic video information, multi-angle video information, elevation angle video information); realizing a traffic parameter automatic extractive technique based on traffic audio and traffic video; realizing a traffic event (car crash, illegal parking, jam and retrograde motion) automatic detection technique based on the multi-source information fusion; and realizing a software system for traffic event report, traffic event associated video information transmission, and traffic control center display and processing, and forming an integrated crossroad traffic event automatic detection system.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Digitized city management data sharing system based on cloud data

ActiveCN105023188AResponsibilities and rights are clearly definedReal-time acquisitionData processing applicationsUrban managementDigitization
The invention discloses a digitized city management data sharing system based on cloud data, which comprises a city management cloud center, wherein the city management cloud center comprises supervision data wireless acquisition equipment (city management equipment), an application layer, a cloud data center, an application maintenance layer and a provincial city management cloud center infrastructure layer; and an intelligent city management digitalized city management platform provides services to cities through special departments, a command center and a monitoring center. The digitized city management data sharing system adopts an intelligent city management and construction mode based on cloud calculation, and reduces the problems that the service processing unit has difficulty in maintaining system functions, service process and data processing.
Owner:TAIHUA WISDOM IND GRP CO LTD

Method for remotely treating automobile insurance service and system thereof

InactiveCN101546416ACollection objectiveAccurate and timely collectionFinanceRelevant informationMobile communication systems
The present invention discloses a method for remotely treating automobile insurance service and a system thereof. The method comprises the following steps: remotely realizing the automobile insurance acceptance service through inputting customer information based on mobile communication system and used portable mobile communication device, and storing or outputting the insurance acceptance information; at a state that the automobile is generated with an accident, through the mobile communication system and the used portable mobile communication device, automatically guiding the interaction based on insurance acceptance information through inputting the customer accident generation information for quickly completing the automobile insurance accident report, and storing or outputting the automobile insurance accident report information; based on the insurance acceptance information and automobile insurance accident report information, completing the automobile insurance accident field and automobile exploration remotely through collecting the field image information and related information of automobile insurance accident by the used portable mobile communication device, and storing or outputting the automobile insurance accident field and automobile exploration information; and based on the insurance acceptance information, automobile insurance accident report information and automobile insurance field and automobile exploration information, remotely completing the automobile insurance accident loss evaluating movably, generating the automobile insurance accident loss evaluating information, and transmitting the automobile insurance accident loss evaluating information to a maintenance shop or a related department.
Owner:谢谦 +2

High-precision dynamic map data processing system and method based on road side sensors

The invention discloses a high-precision dynamic map data processing system and method based on road side sensors. The high-precision dynamic map data processing system comprises a map data acquisition terminal and a high-precision map generation service terminal. The map data acquisition terminal provides a bulk of diversified map road original data for the high-precision map generation service terminal; the high-precision map generation service terminal comprises a map data processing module and a map generation visual module; the map data processing module is used for extracting road features from the map road original data and carrying out hierarchical design on all the road features, splicing information of the same road, completing road feature data fusion on the road feature aspect first, finally completing image splicing on the image aspect, and generating a road downward projection drawing in dependence on the splicing result; and the map generation visual module is used for marking road information on the downward projection drawing, the marked road information and the downward projection drawing commonly form map data of a high-precision map, visual editing is carried out on the map data, and a high-precision dynamic map is generated. According to the invention, the generation cost of the high-precision map can be reduced, and the high-precision dynamic map can be updated quickly.
Owner:INST OF SOFTWARE APPL TECH GUANGZHOU & CHINESE ACAD OF SCI

System and method for sensing local driving environment in front

The invention provides a system and a method for sensing a local driving environment in the front. The system comprises a front-end data acquisition system and a background server data processing system, wherein the front-end data acquisition system comprises a vehicle-mounted camera, a laser radar and vehicle interior sensing equipment, wherein the camera is used for sensing pedestrians and lane lines in front of a running vehicle; the laser radar is used for sensing and extracting information of obstacles such as a vehicle in the front; the vehicle interior sensing equipment is used for acquiring running state parameters of the vehicle. Three data transmission types of MyProtocolCarData, MyProtocolCameraData and MyProtocolUrgData are defined, a data format is unified for encoding, and then camera information data, laser radar information data and vehicle interior information data are transmitted to a background server for decoding to integrate three kinds of sensor data into a frame of complete local traffic environment information which is saved into a data storage system, and a function for analyzing and visualizing data of the local driving environment in the front is provided. By real-time and efficient sensing of the local driving environment in the front, rear-end collision accidents are reduced, and the traffic safety is improved.
Owner:潍柴(扬州)特种车有限公司

Microgrid energy management system capable of realizing load management

The invention discloses a microgrid energy management system capable of realizing load management. The energy management system comprises a man-machine interaction module, a prediction module, a system analysis module, a dispatching and control module, and a system management module. The system performs collection and monitoring on information of the output power of a distributed power generation unit (including a wind turbine generator, a photovoltaic array and a diesel engine set), the charging-discharging states of a storage battery, the load power, the electric energy quality information of unit nodes, and the like, then carries out data analysis and processing under the condition of satisfying electrical characteristic constraint conditions of operating conditions and physical equipment, formulates a corresponding optimal control strategy according to the current microgrid operating condition and external application requests, coordinates and manages the operations of the distributed power supply, the load and other modules in the microgrid system, optimizes the energy flow and utilization of the microgrid system, outputs by using renewable resources, supplies electric energy capable of satisfying the required quality to user load at the lowest operating cost, and realizes the system optimization and dispatching.
Owner:SOUTH CHINA UNIV OF TECH

Tunnel construction informatization dynamic monitoring system and monitoring method thereof

The invention discloses a tunnel construction informatization dynamic monitoring system and a monitoring method thereof. The system comprises an industrial personal computer, a PLC (programmable logic controller) wireless controller, a high-configuration digital camera, a deformation monitoring sensitization part, digital display acquisition equipment, wireless transmission equipment and a dynamic design feedback device. The method includes: 1), controlling commands to be transmitted to the PLC wireless controller by a computer control main station and controlling the digital camera and the digital display acquisition equipment; 2), acquiring internal force monitoring data by the aid of the digital display acquisition equipment; and acquiring a deformation monitoring image via the deformation monitoring sensitization part by the digital camera; 3), transmitting a monitored value to the computer control main station by the aid of the wireless transmission equipment; 4), analyzing results by the computer control main station via a real-time analysis module; and 5), transmitting the analyzed results to the dynamic design feedback device, analyzing relative difference of the really monitored value and a standard value, and early warming in real time by an early warning module. The tunnel construction informatization dynamic monitoring system is scientific, safe and practical, the method is convenient, instant, fast and effective, and safety problems in construction monitoring of tunnels are avoided.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Motor function rehabilitation monitoring system based on wireless body area network

The invention discloses a motor function rehabilitation monitoring system based on a wireless body area network. The system comprises a sensor terminal node, a wireless gathering node, a wireless body area network gateway, a personal terminal, a remote medical terminal and an information feedback system, wherein the sensor terminal node comprises a medical sensor, a signal conditioning circuit, a microprocessor unit and a wireless transceiver unit which are sequentially connected, the medical sensor sends collected data into the signal conditioning circuit for preprocessing, and the wireless transceiver unit is controlled to perform wireless transmission after the data is processed by the microprocessor unit; the data collected by the sensor terminal node sequentially passes through the wireless gathering node and the wireless body area network gateway and is respectively transmitted into the personal terminal and the remote medical terminal, and the data is transmitted into the information feedback system after being processed by the remote medical terminal, and is displayed by a 3D model built through the information feedback system. The monitoring system can be used for monitoring the exercise rehabilitation situation of a patient in real time, providing reasonable guidance and advices for subsequent rehabilitation training and improving the rehabilitation training effect.
Owner:NANJING UNIV OF POSTS & TELECOMM

Localizable video file format and method for collecting data of formatted file

The invention provides a localizable video file format which can integrates video information, audio information and space locating information into a whole and facilitates the quick search of late-stage space locating information. Based on the video format, the invention discloses a method for collecting data of the localizable video file format in real time, which comprises the following steps: the video information and the audio information are collected by a camera and a microphone and the space locating information is received by a GPS serial receiver; a video collecting platform performs compressed encoding on the collected video information and the video information and extraction on corresponding parameters of the space locating information in real time according to audio and video coding parameters provided by a user and the selected space locating parameter information, marks timestamps on the collected video information, the collected video information and the space locating information at corresponding position of a time axis of the video collecting platform according to the collecting time of the three information, and finally the three information is stored in a hard disk by the localizable video file format.
Owner:NANJING NORMAL UNIVERSITY

Wireless data and image double-acquisition anti-electricity theft monitoring system and method thereof

The invention discloses a wireless data-image dual acquirement anti-electricity-theft monitoring system and method which uses a microwave body sensor to conduct the real time detection to activities of people around an electricity meter box. Based on the method of the image shooting of a camera, the monitoring system provided by the invention uses a camera to continuously shoot and store the images of the activities of people around the electricity meter box and can real time transmit alarming information, electricity meter data and image information to a motoring server through GPRS network; and then, the motoring server can send the received alarming information to the mobile phones or computers of users in time, and users can read the alarming information from the mobile phones or computers of users in distance. Besides the functions of remote electricity meter data acquiring, the anti-electricity-theft monitoring and real-time alarming, the monitoring system also can transmit field images in time and obtain images stored by field equipment later for providing convincible proofs during handling the electricity theft of illegal users.
Owner:STATE GRID SHANDONG ELECTRIC POWER

Medical monitoring system

The embodiment of the invention relates to the medical monitoring field and provides a medical monitoring system, and the system comprises a parameter acquiring device, a wireless data communication unit and a remote monitoring center, wherein the parameter acquiring device is used for acquiring various physiological parameters and position information of a monitored person; the wireless data communication unit is used for sending physiological parameters and position information acquired by the parameter acquiring device to the remote monitoring center; and the remote monitoring center is used for receiving physiological parameters and position information and analyzing and recording the physiological parameters so as to learn the physiological state of the monitored person and realize medical monitoring on the monitored person. The medical monitoring system in the embodiment of the invention can send the acquired physiological parameters and position information by a wireless communication mode, realizes remote monitoring, acquires various physiological parameters, overcomes the problem of single physiological parameter measurement in the prior art, and can be worn at the waist of a user; and the medical monitoring system in the embodiment of the invention can lead medical monitoring equipment to be convenient to carry and facilitate behaviors of the monitored person due to portable design thereof.
Owner:BEIHANG UNIV

Beidou satellite monitoring safe driving system based on 3G network

The invention discloses a Beidou satellite monitoring safe driving system based on a 3G (third generation) network. The Beidou satellite monitoring safe driving system comprises a platform server positioned in a monitoring center and a monitoring terminal at a vehicle end, wherein the monitoring terminal is connected with the platform server through a network communication system; a monitoring platform, a database, SMS (short message service) and telephone service are operated on the platform server; and the monitoring terminal comprises a housing and a mechanism circuit arranged in the housing. According to the Beidou satellite monitoring safe driving system disclosed by the invention, under the concept of an inter-vehicle network, three major functions, namely positioning by a Beidou vehicle-mounted satellite, 3G wireless video monitoring and vehicle driving recording are firstly integrated, double-CPU (central processing unit) real-time processing, a DSP (digital signal processing) algorithm, an optimization transceiving queue scheduling algorithm, a double-code stream, a special file system, identity comparison identification and other technologies are integrated, video signals collected by a video camera are compressed, encoded and then converted to a compressed code stream, and real-time transmission is realized through the 3G network.
Owner:CHENGDU YIMENG HENGXIN TECH

Device and method for testing gas-liquid sulfur phase permeation curve of high-temperature high-pressure high-sulfur-content gas reservoir

The invention discloses a device and a method for testing a gas-liquid sulfur phase permeation curve of a high-temperature high-pressure high-sulfur-content gas reservoir. The testing device comprises a displacement system, a stratum condition simulation system, a back-pressure system, a data testing system and a data acquisition system. The testing method comprises the following steps: selecting and treating a rock core; preparing rock core saturated stratum water and liquid sulfur; simulating a high-temperature and high-pressure environment of the stratum; determining the condition of liquid sulfur phase permeability under irreducible water saturation; performing a phase permeation test on filling of gas-liquid sulfur according to a set ratio; recording the amount VSi of liquid sulfur and the gas amount Vgi generated totally; correcting the stratum condition; calculating the relative permeability Krs of the liquid sulfur phase, the relative permeability Krg of the gas phase and the gas saturation Sg of a rock sample at each moment and the like. The device and the method disclosed by the invention can be used for safely, conveniently, rapidly, accurately and efficiently measuring the high-temperature high-pressure gas-liquid sulfur phase permeation data and providing scientific data support for making a reasonable development scheme for the high-sulfur-content gas reservoir.
Owner:SOUTHWEST PETROLEUM UNIV

System and method for acquiring monitoring and warning information of gas disasters of coal mine

The invention relates to a system and method for acquiring the monitoring and warning information of gas disasters of a coal mine, and belongs to the technical field of monitoring and warning of gas disasters of a coal mine. The system is realized by and the method comprises the following steps: firstly, automatically obtaining and transmitting the basic safety information of a mine by utilizing an underground transmission technology, an underground looped network and a local area network on the ground and through a data interface program of a mine monitoring and controlling system of research and development series, a data transmission module of detecting and probing equipment and an information acquisition terminal based on an anti-explosion computer and an anti-explosion mobile phone; filtering, correcting, ordering and classifying the obtained basic safety information of the mine according to an information screening algorithm for research so as to form the monitoring and warning information of gas disasters of the coal mine; finally, formulating retrieval logic of monitoring and warning information and information transmission rules of monitoring and warning information through an developed acquisition and management platform of the monitoring and warning information; automatically extracting corresponding data from an acquisition database of the monitoring and warning information; and transmitting the extracted data to a warning system of gas disasters of the coal mine so as to realize the automatic real-time acquisition of the monitoring and warning information.
Owner:CHINA COAL TECH ENG GRP CHONGQING RES INST

Water environment monitoring system based on ZigBee wireless technology

The invention relates to a water environment monitoring system based on ZigBee wireless technology. The current monitoring usually uses a way of wired transmission, which results in difficult routing and high cost. The water environment monitoring system of the invention comprises a plurality of water environment monitoring nodes which are distributed in water environment monitoring regions and a data and video base station, wherein, the water environment monitoring node is based on the ZigBee wireless technology and comprises a node microprocessor module, a node ZigBee radio frequency module CC2420 radio frequency chip, a power management module and a water quality parameter collection module. The data and video base station uses the structure of ARM-DSP dual processors and comprises a base station ZigBee radio frequency module CC2420 radio frequency chip, CDMA transmission module HUAWEI-CM320, a video signal collection module and a microprocessor module. The water environment monitoring system of the invention can simultaneously collect a plurality of parameters of water quality, and has the advantages of strong data communication capacity and wide network coverage area. Moreover, the water environment monitoring system of the invention can realize real-time collection, processing and wireless transmission of video signals.
Owner:JIANGSU SHENXIANG ELECTROMECHANICAL

Wireless sensor network-based river basin pollution monitor system and method

The invention relates to a river water quality detect system and a relative method, based on wireless sensor network, belonging to environment protective technical field. The system is composed of a water quality information collecting node, a relay node, a detect base station, and a remote server, wherein the delay node and the detect base station form a chain wireless network, the information collecting node is in the network with nearby delay nodes, to form a wireless sensor network to pickup the pollution information of river and send information to the base station, the base station collects the picked data, via wire network to be transmitted to a remote server. The invention can pick water quality information, detect pollutant real-time, and alarm over pollution, while the network information is collected to the remote server to be intelligently managed, to analyze the water quality information. The invention realizes water quality detection, to obtain the pollution information and execute relative operation to manage the pollution.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Device for monitoring heart rate and physical state

The invention provides a device for monitoring heart rate and physical state. Sensors are mounted on a waistband, and the device comprises a data acquisition module, an FPGA (Field-Programmable Gate Array) control module and a DSP (Digital Signal Processor) data processing module. When the heart rate and the physical state of a subject change, the sensors collect body dynamic signals generated from the changes; the body dynamic signals generated from heartbeat after being processed by an analog, amplification and filter circuit and the body dynamic signals generated from changes of the physical state are output to the FPGA respectively through A / D (Analog / Digital) conversion circuits; the FPGA sends the body dynamic signals to the DSP to perform body dynamic signal processing by selectingone or multiple paths sensors, so as to calculate the heart rate and judge the physical state, and obtained data are fed back to the FPGA; and the FPGA sends the data to a monitoring center workstation by externally connecting a serial port with a communication module according to the information fed back by the DSP. The device provided by the invention can complete real-time, quick and accurate acquisition of multi-path signals to obtain physiological information of human body, and is combined with the wearing technology to realize long-term dynamic monitoring and identification of physiological information.
Owner:NORTHEASTERN UNIV

On-line detection method for transformer insulation oil temperature and characteristic gas in oil and oil chromatography

The invention relates to a hydrocarbon detection system for a power supply system transformer of an electrolytic aluminum enterprise, in particular to an on-line detecting method for the insulation oil temperature of the transformer, characteristic gas in the oil and oil chromatogram. The analyze methods of the invention include an on-line monitoring layer, a data collecting layer, a data concentration layer and a data application analysis layer. The steps of the methods include a data monitoring step, a data collecting step, a data concentration step and a data application analysis step. The beneficial effects of the invention are that the data collection of the invention can realize the automatic collection and the protocol conversion of various data on the transformer operation site. The collected data are processed, treated, analyzed, stored and published by the data storing. An application system relative to the management of the transformer operation status is constructed by the data application analysis to supply an information platform for scientific organization, commandment, decision and monitoring production process. The invention is applied to the automatic control system of the electric power supply system.
Owner:GUIZHOU BRANCH CHINA ALUMINUM IND

Real-time search method, device and system

The invention discloses a real-time search method. The method comprises the following steps: S1, setting interest point data specified by a system; S2, according to the interest point data, capturing associative data from a target web site into the system; S3, according to a preset data acquisition cycle, traversing the target web site; S4, judging whether an updated target web site exists in the target web site, wherein the updated items include newly-presented web pages and changed web pages; if no updated target web site exists in the target web site, back to the step 2; otherwise turning to a step S5; and S5, capturing associative data on the updated target web site into the system and updating the target web site so as to achieve synchronous acquisition. The invention also discloses a real-time search device and a real-time search system. By using the real-time search method, the real-time search device and the real-time search system disclosed by the invention, instant information can be searched in real time at high speed with small resource occupation.
Owner:SHENZHEN AIGU TECH

System and method for generating multimedia voice caption

The invention provides a system and a method for generating a multimedia voice caption. The caption generating system comprises a control module, a caption processing module, a voice processing module, a checking and sectioning module and a caption output module, wherein the caption processing module, the voice processing module, the checking and sectioning module and the caption output module are connected to the control module, the other end of the control module is connected with a cloud server, the method is used for automatically generating the multimedia voice caption through steps of obtaining, analyzing, identifying and sectioning video and audio, generating the caption, checking and subsequently processing the caption, in order to solve the boundedness caused by manually shooting captions for video captions, no matter video and audio files have standard voice documents (i.e., words), captions can be generated automatically, efficiently and continuously, a human friendly man-machine interaction system can select a caption mode according to actual conditions, comprising the number of words in each row, the number of rows and fonts and the like, and the matching rate of the generated caption and the video reaches 100% by multiple times of accurate check.
Owner:北京中科模识科技有限公司

Processing system for precisely completing continuous natural speech textualization and method for precisely completing continuous natural speech textualization

The invention belongs to the technical field of speech textualization, and particularly relates to a processing system for precisely completing continuous natural speech textualization and a method for precisely completing the continuous natural speech textualization. The processing system comprises a cloud speech recognition engine and a speech recognition post-modification platform, wherein the voice recognition post-modification platform is connected with the cloud voice recognition engine. The processing system and the method have the following effects that the audio and video speech information is collected in real time; the information collection is uninterrupted; the grade reaches the millisecond stage; the collection rate reaches 100 percent; the information loss rate is 0; and the accuracy of the recorded characters corresponding to the speech is about 100%. A scientific and convenient humanized man-computer interaction system for speech textualization is built; 100 percent of conversion rate of the speech textualization and 99.7 percent or more of accuracy are realized; and an electronic integration file integrating three dimensions of audio, video and characters is created.
Owner:北京中科模识科技有限公司

Remote wireless environment real-time data acquisition method and device

The invention relates to an environmental monitoring system, in particular to a remote wireless environment real-time data acquisition method and a device. The device comprises a management work station and at least one ZigBee wireless sensor network, wherein, the wireless sensor network comprises a coordinator node which is connected with at least one router node; the router node is connected with at least one functional module, and the coordinator node is connected with the management work station by an RS232 interface. The acquisition device in the invention is developed by utilizing an advanced ZigBee wireless sensor network system, has the characteristics of low cost, high reliability, convenience and strong commonality, and can carry out wireless real-time acquisition on outdoor environmental information.
Owner:SHANDONG JIANZHU UNIV

Remote gathering system and method for vehicle CAN bus data

A data remote collection system of vehicle CAN bus is prepared as using mobile communication module to carry out data interaction with central server and microprocessor, using microprocessor to control CAN controller and storage both being connected with said microprocessor, connecting CAN controller to CAN transceiver for obtaining data on CAN bus. Its data collecting method is also disclosed.
Owner:SHENZHEN SEG SCI NAVIGATIONS CO LTD

Road live view navigation method

The invention relates to a road live view navigation method, which comprises the following steps of: (1) acquiring a road live-view image by image acquisition equipment arranged on a running automotive vehicle and acquiring the current running information of the automotive vehicle by utilizing a navigator on the vehicle; (2) screening a clear road live-view image by the navigator on the vehicle, so that an included angle between a tangent line, which passes through a base point, of a road center line in the screened road live-view image and the running direction of the automotive vehicle is between 0 and 30 DEG C; (3) matching the screened road live-view image and an electronic map and establishing a mapping relationship; and (4) labeling guiding information in the screened road live-view image by the navigator on the vehicle according to navigating path planning information stored by the navigator and the mapping relationship between the road in the road live-view image and the road in the electronic map, and performing live-view navigation according to the guiding information. When the navigating method is used, the road live-view navigation is simplified, so that the ordinary electronic map also can be used as a carrier of the road live-view navigation, and the road live-view navigation is realized.
Owner:杭州妙影微电子有限公司

On-line palm print, palm vein image personal identification method and its special capturing instrument

The present invention relates to an on-line palmprint and palm vein image identity identification method and a special acquisition instrument thereof. An on-line palmprint and palm vein image acquisition instrument consists of a digital video camera, a visible light source, an infrared light source, astigmatism paper, a single chip microcomputer controller, communication interfaces, a computer, an instrument bracket, an instrument shell, an instrument box and a palm box, wherein, the instrument shell is fixed on the instrument bracket, forming the instrument box in which the digital video camera, the visible light source, the astigmatism paper and the single chip microcomputer controller are arranged; the digital video camera and the single chip microcomputer controller are connected with the computer through the communication interfaces; the palm box is communicated with the instrument box. The instrument of the present invention is used to acquire palmprint images and palm vein images in higher resolution, has the advantages of real-time acquisition as well as nearly simultaneous acquisition of palmprint and palm vein images, and can meet the requirements of on-line identity identification. The image identity identification method of the present invention has better anti-counterfeiting property and higher recognition rate.
Owner:HARBIN INST OF TECH

Water environment monitoring node based on ZigBee wireless technique

The invention relates to a water environment monitoring node based on ZigBee wireless technique. The prior technology has long monitoring period and large work intensity, and cannot reflect dynamic variation of water environment. The invention includes an electric power management module, a water quality parameter acquisition module, an MPU module and a ZigBee radio frequency module. The equipment adopts an MSP430F149 MPU, for analyzing and processing water environmental parameter, and controls the operating status of the ZigBee radio frequency module and the water quality parameter acquisition module. The MSP430F149 processor is interconnected to the water quality parameter acquisition module through a 12 bit A / D converter self integrated with the MSP430F149 processor, and is interconnected to the ZigBee radio frequency module through an SPI serial interface, meanwhile also controls a power supply management module to supply power through an analogue switch, so as to achieve the goal of energy-saving. The invention has low cost, and low power consumption; can be arranged in water environment for a long term, execute multiple parameter real time monitoring to the water environment, and complete the high-efficiency transmission of data, thereby having wide applications prospect in the water environment monitoring.
Owner:JIANGSU SHENXIANG ELECTROMECHANICAL

Method for diagnosing river pollution in real time

The invention relates to a river supervision method, in particular to a method for diagnosing river pollution in real time. A river pollution diagnosis platform, a pollution degree evaluation module, a pollution reason diagnosis module, a pollution discharge scheme optimization module, a computational model management module and a database management module are adopted in the method. The method is characterized by executing the following steps when a pollution diagnosis project is completed: a, starting the river pollution diagnosis platform; b, setting basic parameters; c, performing river pollution degree evaluation; d, performing river pollution reason diagnosis; e, performing pollution discharge scheme optimization of a pollution enterprise; and f, outputting results. Equipment for implementing the method comprises a remote terminal consisting of a flow meter, a global positioning system (GPS) chip, a solubility detector and a singlechip. By means of method, real-time diagnosis of river pollution degree and pollution reasons is realized, an optimized pollution discharge scheme of the pollution enterprises along the river can be generated after a water quality improvement target or a pollution degree lowering target is input, real-time river pollution condition supervision of an environmental protection department is facilitated, river pollution governance is implemented according to the cases, and emission reduction planning is scientifically performed.
Owner:HOHAI UNIV

User identification method and system

The invention provides a user identification method and system, aiming at the problem that users can not be distinguished in view screen playing. The method comprises the following steps: when detecting a pre-set triggering accident, acquiring terminal data to generate user information, wherein the user information comprises at least one type of photographing information, equipment shaking information, screen touch information and operation log information; carrying out identification processing based on each type of the user information and determining a user type according to an identification result; calling a corresponding user mode in real time according to the user type; configuring display content of a current screen according to the user mode, wherein the display content comprises content played by a current video. The user information can be acquired and identified in real time and the users can realize real-time adjustment of the current playing content without executing other operations during playing.
Owner:BEIJING QIYI CENTURY SCI & TECH CO LTD

Public sentiment data real-time collecting method and system based on distribution

The invention discloses a public sentiment data real-time collecting method and system based on distribution. The method comprises the following steps that firstly, a public sentiment data website class library is established, and crawling data items are classified and defined; secondly, a data acquisition website list is transmitted to a data collection server, the server allocates corresponding crawlers to circularly crawl data in a dormant mode; thirdly, crawled source webpage data is subjected to label analysis, the position of a target data item is positioned, and the target data item is obtained; fourthly, an obtained result data item is encapsulated into a uniform format of a corresponding class; fifthly, the encapsulated data is stored into a corresponding database; sixthly, a monitoring log file is generated. According to the public sentiment data real-time collecting method and system based on distribution, the architecture is advanced, a factory mode is used as a main design mode of the system, new examples can be quickly generated, system core functions such as browser assess, log generating, data encapsulation, agent setting and queue setting are encapsulated, the expandability and transportability of the system are enhanced, and the reusability of codes and the maintainability of the system are improved.
Owner:SOUTHWEST PETROLEUM UNIV

Method for performing bridge monitoring by using multiple strapdown inertial systems

A method for performing bridge monitoring by using multiple strapdown inertial systems belongs to the bridge monitoring technology and includes: performing position setting for the strapdown inertial systems according to the dynamic characteristic of a bridge structure and performing installation calibration and initial calibration for the strapdown inertial systems; carrying out bridge dynamic load tests which include a pulsating test, a sports car test and a bumping test, and performing continuous monitoring by using deformation and vibration information of the strapdown inertial systems relative to a reference point and measurement points; obtaining static deformation angles and dynamic deformation angles of the measurement points of the bridge at each moment by using the deformation information obtained in an inertial test matching method; obtaining a girder deflection curve of the bridge by using the dynamic deformation angles of the inertial systems calculated at the reference point and the measurement points, and obtaining an impact coefficient of the bridge through further processing; using accelerometer output information to obtain acceleration time history curves of all the measurement points and obtaining displacement time history curves through integration; and analyzing the acceleration time history curves and the displacement time history curves in a time domain analysis method and a frequency domain analysis method to obtain structural parameters including bridge amplitude, damping ratio and vibration mode. The method has the advantages of being free of weather variation interference, little in manual operation, high in automatic degree and capable of performing continuous measurement.
Owner:HEILONGJIANG BOKAI TECH DEV
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