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214results about How to "Timely analysis" patented technology

Unmanned perception based unmanned aerial vehicle route planning method

The invention discloses an unmanned perception based unmanned aerial vehicle route planning method for rapidly planning the vehicle driving route. According to the invention, based on the unmanned flight perception system, road video images around a target vehicle are photographed by utilizing an unmanned flight to be sent to a ground station; the ground station receives the video images and processes the video images so as to obtain the vehicle and road messages, route planning is carried out according to the vehicle position, and the route is transmitted to the unmanned aerial vehicle; and a computer module of the ground station calculates a flight control signal to control the unmanned aerial vehicle to follow the vehicle to proceed, and corrects the route in real time. According to the invention, based on an unmanned flight platform, the operation state is stable; and the road environment around the vehicle is photographed from a great height, the coverage area is wide, and the observed road traffic information is distinct and clear, so that the road distribution condition and the traffic condition around the target vehicle can be obtained rapidly, the reasonable route planning can be obtained, the route is more precise, and the road condition analysis is more timely and accurate.
Owner:BEIHANG UNIV

Mine water bursting disaster monitoring and early-warning system and control method thereof

The invention relates to a mine water bursting disaster monitoring and early-warning system. The system comprises an in-situ measurement subsystem, a data acquisition subsystem, a data transmission control subsystem and a data and warning release subsystem. The in-situ measurement subsystem is connected to the data acquisition subsystem by a communication system, data input and output ports of the data acquisition subsystem are connected with the data input and output ports of the data transmission control subsystem by the communication system to realize bidirectional data transmission, and the data transmission subsystem is connected with the data and warning release subsystem by a computer network. The invention also relates to a control method of the mine water bursting disaster monitoring and early-warning system.
Owner:NORTH CHINA INST OF SCI & TECH +1

Compression method for electric power waveform recording date

The present invention discloses a compressing method of the data recorded by the electric power waveform. The compressing process includes the steps of: the collected data is performed by the integer small wave conversion based on the rising format and then all the data having been converted is coded in the Huffman method; the decompressing process includes the steps of: each pressing data that is read in bit is decoded in Huffman method, and then the data having been decoded is performed by the integer small wave contra-conversion. The present invention has the characteristics of a small amount of computing, a high compressing rate, a small distortion factor, a small occupied computer resources, etc. and the method can be realized in a flushbonding system. The compressibility and the distortion factor can be adjusted according to the demand and the flexibility of the using of the software is added. The present invention can also provide a threshold value to the detail information to realize the lossless compressing and the lossy compression. The electric power system waveform recording device in the present can realize a long-time and continuous recording waveform by combining the electric hardware technology under the situation of high sampling rate and big capability and the waveform can be transmitted far away through the communication interface reliably and quickly.
Owner:SHENZHEN SHUANGHE ELECTRIC CO LTD

Voltage sag detection method for S-transformation on basis of time-frequency gathering characteristic criteria

The invention discloses a voltage sag detection method for S-transformation on the basis of time-frequency gathering characteristic criteria. The method includes the first step of obtaining voltage sag disturbance signals to be detected generated in a power distribution network, the second step of conducting analog-digital conversion on an obtained voltage sag disturbance signal model, the third step of conducting optimized selection on gaussian time-frequency window width adjustment parameters in an improved S-transformation method according to time-frequency gathering characteristic criteria, substituting the gaussian time-frequency window width adjustment parameters selected according to empirical values, and conducting characteristic extraction, detection and analysis on digital signals to be detected in the second step through the improved S-transformation. Selection of condition parameters of a gaussian window function is optimized through the constraint condition that the value of a time-frequency gathering characteristic expression is maximized when the signals are analyzed through the improved S-transformation, and the improved S-transformation is applied to characteristic extraction, detection and analysis on voltage sags. The voltage sag detection method for S-transformation on the basis of time-frequency gathering characteristic criteria has the higher detection accuracy degree and signal denoising capacity on transient-state electric energy quality signals.
Owner:JIANGSU UNIV

Root cause failure positioning method and device

ActiveCN109450677AQuick and efficient positioningTimely and efficient failureData switching networksDevice nameRooming-in
The embodiment of the present invention provides a root cause failure positioning method and device, relates to the field of communication failure handling, and can quickly locate a root cause of cross-professional large-area failures. The method comprises: obtaining a connection relationship of equipment rooms in communication network and a target parameter of each professional equipment in the communication network; encoding the equipment room name and the equipment name in the target parameter into an equipment room code and an equipment code according to a preset encoding rule; establishing a mapping relationship between the equipment code and the equipment room code; generating a communication network topology map according to the connection relationship of equipment rooms and the equipment room code; obtaining a sequence in which equipment alarm information is generated; determining a correlation relationship among the equipment alarm information according to the mapping relationship and the communication network topology map; and determining root cause alarm information corresponding to the root cause failure on the basis of a preset failure layering principle according to the correlation relationship among the equipment alarm information, the sequence in which equipment alarm information is generated, and alarm types included in the equipment alarm information.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Sentiment analytical method based on mobile phone voices and sentiment analytical system based on mobile phone voices

A sentiment analytical method based on mobile phone voices includes mobile phone call status detection, voice signal acquisition, voice sentiment characteristic extraction, voice sentiment classification, content recommendation and local short message box writing. A sentiment analytical system based on the mobile phone voices comprises a mobile phone call status detection module, a voice signal acquisition module, a voice sentiment characteristic extraction module, a voice sentiment classification module, a content recommendation module and a local short message box writing module. The sentiment analytical method based on the mobile phone voices and the sentiment analytical system based on the mobile phone voices have the advantages of being simple in method and system structure, true in sentiment analytical result, and the like.
Owner:SOUTH CHINA UNIV OF TECH

Supermarket integrated management system

InactiveCN104424541AQuick orderQuick low price orderLogisticsOperations researchIndustrial engineering
The invention provides a supermarket integrated management system. The supermarket integrated management system includes a database module used for storing the information of goods, a sale management module which is used for performing timely statistics on the sale quantity of the goods and making a purchase list of goods required to be purchased when the sale quantity of the goods is lower than a predetermined value and making an order-placing decision according to the purchase list, and a purchase module which is used for purchasing goods according to the order-placing decision and performing line distribution allocation according to the purchased goods. With the supermarket integrated management system adopted, online purchase and sale management from manufacturers, dealers, supermarket to terminal consumers can be realized; manual links can be decreased; a working process can be shortened; cost can be reduced; rapid goods ordering with lower prices can be facilitated for the supermarkets; and work efficiency can be improved.
Owner:郑昌栋

Method and system for testing oil-gas-water profile of each section of horizontal well by using environmental protection type tracers

The invention provides a method and system for testing the oil-gas-water profile of each section of a horizontal well by using environmental protection type tracers. The method comprises the steps that according to information containing the oil and gas reservoir type, the fracturing fluid type and the number of test sections, the kinds and the compositions of the chemical tracers are determined;the designed using quantity, the injection time and the injection velocity of the chemical tracer used at each section are determined; injection equipment of the tracers used for testing is determined, and the connecting process of equipment for completing on-site operation is determined and laid out before construction; injection operation of the corresponding chemical tracers required by construction sections is completed according to the designed pump injection procedure; after fracturing construction of the whole horizontal well is completed, continuous tracer test sampling operation is implemented according to the designed sampling time and frequency, and samples are tested in time after all sampling is completed; and a production profile map or a contribution ratio map of each layersection of the oil and gas reservoir horizontal well within the sampling period is drawn.
Owner:ORIENT BAOLIN TECH DEV BEIJING

A multi-channel differential reaction device

The invention discloses a multi-channel differential reaction device, and belongs to catalyst analysis and evaluation reaction device. The multi-channel differential reaction device comprises four systems of a gas-liquid charging system of (1)-(3), a multi-channel reactor system of (4)-(6), an automatic control system (7) and an on-line analysis system (8). The multi-channel differential reaction device adopts a high pressure distributor (4) to distribute a raw material into reaction tubes (6) of all channels. Temperatures of the all reaction tubes (6) are controlled unitedly by a heating furnace (5). The multi-channel differential reaction device is provided with the automatic control system (7) and the on-line analysis system (8) and can satisfy that in a reaction process, at any time, reaction products in all channel reaction tubes can be taken out on line simultaneously, are placed respectively in corresponding quantitative rings and are analyzed orderly through use of a gas chromatography. The catalyst analysis and evaluation reaction device can evaluate a catalyst rapidly and also evaluate and screen multiple catalysts simultaneously under a condition thus saves time spent on research and exploitation of a novel catalyst.
Owner:TIANJIN GOLDEN EAGLE TECH

Identification and analysis system for jewelry jade and rock minerals

The invention provides an identification and analysis system for jewelry jade and rock minerals. The identification and analysis system comprises a detection system, a spectrum analysis system, a database and a result display system, wherein jewelry jade to be detected is detected by the detection system so as to obtain detection data, then the detection data flows to the spectrum analysis system, comparison is carried out by the spectrum analysis system to obtain a result, and then the result is transmitted to the result display system; the detection system is an infrared spectrometer; the spectrum analysis system comprises 400-1500 cm<-1> fingerprint region analysis, 150-4000 cm<-1> group frequency region analysis and near-infrared region 4000-7500 cm<-1> analysis. The system provided by the invention has the advantages that testing wave bands and testing methods (transmission method, reflection method and compression method) are expanded in the transverse direction, a data spectrogram base is established in the longitudinal direction, a set of system is formed from the detection and analysis of samples and presentation of result, the detection can be efficiently completed in a time-saving and labor-saving manner, and the accuracy of jewelry jade is improved; meanwhile, new information of jewelry jade can be added at any time.
Owner:广东省珠宝玉石及贵金属检测中心

Path planning method for unmanned vehicles based on UAV perception

The invention discloses an unmanned perception based unmanned aerial vehicle route planning method for rapidly planning the vehicle driving route. According to the invention, based on the unmanned flight perception system, road video images around a target vehicle are photographed by utilizing an unmanned flight to be sent to a ground station; the ground station receives the video images and processes the video images so as to obtain the vehicle and road messages, route planning is carried out according to the vehicle position, and the route is transmitted to the unmanned aerial vehicle; and a computer module of the ground station calculates a flight control signal to control the unmanned aerial vehicle to follow the vehicle to proceed, and corrects the route in real time. According to the invention, based on an unmanned flight platform, the operation state is stable; and the road environment around the vehicle is photographed from a great height, the coverage area is wide, and the observed road traffic information is distinct and clear, so that the road distribution condition and the traffic condition around the target vehicle can be obtained rapidly, the reasonable route planning can be obtained, the route is more precise, and the road condition analysis is more timely and accurate.
Owner:BEIHANG UNIV

Simulated marine corrosion test machine

The invention relates to a metallic erosion experimental device, in particular to a marine erosion simulation tester for measuring erosion conditions of metals in the marine environment. The invention comprises an upper water storage tank, a lower water storage tank and a main water tank, wherein, a siphon tube is arranged between the main water tank and the lower water storage tank; one end of the siphon tube is positioned inside the main water tank and the other end of the siphon tube is inserted into the lower water storage tank; the upper water storage tank is communicated with the lower water storage tank through a water pipe capable of controlling the flow rate; a water inlet pipe capable of controlling the flow rate is arranged on the upper water storage tank and the other end of the water inlet pipe is inserted into the main water tank; an electrically controlled wave generating plate and a test strip holder are arranged inside the main water tank; a sea mud zone at the bottom is provided with a plurality of baffle plates; a liquid level controller is arranged on the upper water storage tank and connected with the water pipe through an electrical wire; a filter screen is arranged inside the lower water storage tank and water which is filtered by the filter screen passes through the water pipe and flows into the upper water storage tank; the wave generating plate is connected with a driving motor through a transmission tension rod; and the test strip holder can hang pieces respectively or hang pieces through electrical interlocking. The test result of the device is reliable and convenient for observation, and the simulation environment is various and true.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Online nuclear magnetic resonance type analysis and detection device of oil content of drilling fluid

The invention discloses an online nuclear magnetic resonance type analysis and detection device of the oil content of drilling fluid, which comprises an online drilling fluid sampling device and a low-field-intensity nuclear magnetic resonance device. The online drilling fluid sampling device comprises a power pump extracting device arranged on a drilling fluid pipeline and a sampling pipeline connected with the power pump extracting device; and the low-field-intensity nuclear magnetic resonance device comprises a probe device and a spectrometer control device, wherein the probe device comprises a detection coil around the sampling pipeline and a magnet arranged on the periphery of the detection coil, the spectrometer control device comprises a control computer, a signal receiving and transmitting change-over switch, a radio-frequency signal amplifier and a weak signal amplifier, wherein the signal receiving and transmitting change-over switch is connected with the detection coil, the radio-frequency signal amplifier and the weak signal amplifier are connected with the control computer and the signal receiving and transmitting change-over switch, and analysis and detection software of the oil content of drilling fluid is arranged in the control computer. The invention can conveniently and rapidly obtain the oil-water signal in the drilling fluid according to experimental requirements, so as to achieve the real-time analysis of the oil content and water content of the drilling fluid, to learn about the stratum information, and to provide rapid and effective drilling guidance.
Owner:SUZHOU NIUMAG ELECTRONICS TECH

Coal mine tunnel anti-explosion airtight gasbag

The invention discloses a coal mine tunnel anti-explosion airtight gasbag and belongs to the technical field of coal mine disaster prevention and control. The coal mine tunnel anti-explosion airtight gasbag mainly comprises an inner layer gasbag body, an outer layer gasbag body and a gas sample collection pipe. The airtight gasbag adopts an inner and outer double layer gasbag structure, and the outer layer gasbag body is divided into a plurality of interlayers. A mode that explosive gas works on the gasbag is utilized, energy of inner side explosion in the airtight space is consumed completely, and safety of the tunnel airtight outer side space is ensured. Compared with a traditional coal mine tunnel anti-explosion airtight method, the coal mine tunnel anti-explosion airtight gasbag adopts a technique that the inner gasbag body and the outer gasbag body are inflated at the same time, labor and time are saved, disaster relief personnel can quickly complete airtight construction and evacuation as fast as possible, safety and reliability are achieved; and in addition, during using of the airtight gasbag, gas sample collection work of the airtight interior can be conducted, and mine well disaster variation can be analyzed in time.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Big data fitting-based method and system for monitoring refractive growth of teenagers

The invention provides a big data fitting-based method and system for monitoring refractive growth of teenagers. The method comprises the steps of S1, building a big data model of a multi-factor dynamic refractive value; and S2, fitting out a dynamic refractive value of a tester by utilizing the big data model of the multi-factor dynamic refractive value in combination with basic information of the tester according to a naked eye vision detection value of the tester, obtaining reasons of poor vision of the tester, and if the tester needs to be subjected to deep refractive growth monitoring, fitting out a static refractive value of the tester by utilizing the big data model and performing long-term monitoring. By adopting the method and the system, the dynamic refractive value of the tester can be fitted out only by collecting the naked eye vision and the basic information of the tester, and the monitoring mode is simple; and for people needed to be subjected to refractive growth monitoring, the static refractive value of the tester can be fitted out only by detecting dynamic refraction, an adjustment range and various parameters of the biological structure of the eyes of the tester, without use of medicinal liquid for ophthalmoplegia, and the monitoring mode is simple.
Owner:武汉目明乐视健康科技有限公司

Valve remote fault diagnosis system based on IOT (Internet of Things) technology

The invention discloses a valve remote fault diagnosis system based on the IOT (Internet of Things) technology. An intelligent valve terminal communicates with main control equipment through a zigbee network, and the main control equipment communicates with a remote monitoring platform through the Internet. The intelligent valve terminal comprises a sensor module, a data collection module for collecting a sensor signal, and a zigbee module for sending the signal. The main control equipment comprises a zigbee module for receiving a zigbee network signal, and a GPRS module for transmitting the signal. The remote monitoring platform comprises a database module, a real-time display module for the real-time display of the data, and an alarm module. The sensor module comprises a pressure transmitter, a valve rod position sensor, a temperature transmitter, a VOCs sensor, and a valve rod torque sensor. The system is low in cost, is high in practicality, and is high in efficiency.
Owner:JIANGSU SHENTONG VALVE

Application crash analysis method and system

The invention discloses an application crash analysis method and relates to the technical field of computer information processing. The method comprises the steps of integrating a breakpad tool in an application; when the application crashes, capturing application crash information by using the breakpad tool, generating a dump file and writing the dump file in a specified directory; and uploading the dump file to a server. According to the method, the application crash information can be conveniently captured, and the dump file is generated and uploaded to the server for performing analysis. The invention furthermore discloses an application crash analysis system.
Owner:WUHAN DOUYU NETWORK TECH CO LTD

Illegal income legalization behavior monitoring method and system, computer device and medium

The invention provides an illegal income legalization behavior monitoring method and system, a computer device and a computer readable storage medium. The illegal income legalization behavior monitoring method comprises the following steps: obtaining historical anti-money laundering record data; establishing money laundering recognition models for recognizing different account types according to the historical anti-money laundering record data; receiving a money laundering monitoring instruction, and reading account type information and online streaming data generated by an account transactionfrom a transaction system database according to the monitoring instruction; inputting the read online streaming data and account type information into the money laundering recognition model to carryout money laundering risk recognition; classifying and storing the recognition result output by the money laundering recognition model according to a preset classification rule, and outputting accountinformation with money laundering suspicion. According to the invention, the money laundering recognition model is established based on the neural network, money laundering recognition can be carriedout on the online transaction streaming data, and the anti-money laundering behavior monitoring timeliness is high.
Owner:ONE CONNECT SMART TECH CO LTD SHENZHEN

Fault Monitoring Device and Fault Judgment Method for Metering Electricity Fuses

The invention relates to a fuse fault monitoring system, which is mainly characterized in that: a data measurement element installed on a fuse measures voltage data and current data on the fuse; the voltage data and the current data are processed by a central processing unit; and a processing result is sent to a computer of an information center through a global system for mobile communication (GSM) module, so a monitor can timely find and handle a fuse fault. In the invention, geographic information of each fuse is recorded into a central processing unit corresponding to the fuse, a fault fuse can be quickly positioned, a fault type and corresponding measures can be provided, so the fuse fault can be reduced, the maintenance time is saved, the loss caused by the fuse fault is reduced, and the running stability of an electric power system is improved.
Owner:CHONGQING UNIV

Disaster degree assessment method and system and electronic equipment

The invention provides a disaster degree assessment method and system and electronic equipment. The method is suitable for disasters with natural disasters being major causes. The method comprises the steps of acquiring data of a disaster; selecting at least one similar case according to similarity judgment indexes; assessing at least one similarity between the similar cases and the disaster to acquire the weight of each similar case; and obtaining an assessment result of the disaster through a weighted comprehensive assessment model. Through the disaster degree assessment method, multi-dimensional stereoscopic damage analysis is performed on an affected region, and rescue and reconstruction efficiency after the natural disaster is improved.
Owner:GUOXIN YOUE DATA CO LTD

Power asset supervision method and supervision system based on electronic identity card

The invention discloses a power asset supervision method and a power asset supervision system based on an electronic identity card. The system comprises electronic identity card identification equipment (1), electronic identity card generating equipment (6), an electronic identity card (7), a database server (2) for storing fixed asset data, an application server (3) for calling the data stored by the database server (2), a wireless network (4), and a personal computer (PC) client (5), wherein the electronic identity card identification equipment is controlled to emit a microwave query signal; the electronic identity card synthesizes the microwave query signal and the data information in the electronic identity card into a whole and returns the whole to the identification equipment; the identification code, processed by the identification equipment, of the electronic identity card is sent to the application server; and the application server retrieves the database of the database server, returns the retrieval result to the identification equipment for resolving, and reveals the information of assets to users. According to the method and the system, the highest limit application ofthe assets can be effectively improved, the reasonability of working management is furthest ensured, the work efficiency and the work quality are improved, and the running and maintenance costs of enterprises are reduced.
Owner:STATE GRID CORP OF CHINA +1

Fault information report method and device

The invention provides a fault information report method and device. The method comprises the following steps: when an intelligent terminal detects fault of itself, generating log information, wherein the log information comprises description information of the detected fault; displaying a prompt message, wherein the prompt message is used for prompting the user whether to report the log information to a server; and if receiving a fault information report command, reporting the log information to the server to enable the server to analyze the fault information in the log information according to the received log information, wherein the fault information report command is triggered based on the prompt message. The fault information report method and device can ensure that the fault log information can be reported in time, thereby improving fault log information processing efficiency of the server.
Owner:LETV HLDG BEIJING CO LTD +1

Experimental simulation researching device and experimental method of disaster induced by exploitation of undersea hydrate with compact overlying strata

The invention relates to an experimental simulation researching device and experimental method of disasters induced by exploitation of undersea hydrate with compact overlying strata. The device comprises an atmosphere-deepwater-stratum natural environment visible simulation system, a natural gas hydrate injection-production simulation system, a temperature control system, a pressure control system, a data collection system, and an image collection system. The system has the advantages of being reasonable in design, complete in function and convenient to operate, by means of the method, effective simulation operation can be conducted on the disasters induced by the exploitation of the undersea hydrate with the compact overlying strata, real-time monitoring is conducted on related data in the simulation process through corresponding temperature, pressure and gas concentration sensors, and image collection is conducted on the simulation process by using photographing devices in the wholeprocess. The device and the method have a certain guiding meaning on safe and high-efficient exploitation of undersea natural gas hydrate and therefore have a significant meaning on the recognition and researching of a triggering mechanism of caused geological environmental disasters, and the device and the method have extensive popularization and application prospects.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Airport environment noise automatic detection system and monitoring method

The invention discloses an airport environment noise automatic detection system and a monitoring method. An acoustic sensor and vector judgment module, a noise feature extraction and judgment module,a monitoring and recording module, a meteorological acquisition unit and the like are connected in parallel, and then are connected to a main control computer through a bus to form a noise detection system. M x N acoustic sensors with uniform grid array distribution points and a vector judgment module are arranged on the two sides of the airport runway, and the take-off or landing state of the airplane is judged according to the feedback sound field signal change. Noise intensity distribution in a detection time period is obtained through noise feature extraction and discrimination, noise source attenuation features, directions, elapsed time and airplane type features in a monitoring area are obtained and recorded at the same time, and the airplane type and the flight state are quantitatively judged through a radar signal collector in a monitoring and recording module. A detection result is calculated and analyzed by the main control computer, and airport environment noise data information is sent in real time. The adopted technical method can be transplanted along a high-speed rail to implement noise monitoring on a specific area.
Owner:TIANJIN ENVIRONMENT MONITORING CENT

Transformer monitoring system and monitoring method

The invention discloses a transformer monitoring system and monitoring method. The monitoring system comprises a transformer, a power supply module supplying 220V voltage to the transformer, a low-voltage side voltage acquisition module, a high-voltage side voltage acquisition module, a gas chromatogram monitoring module, a microprocessor, a communication module, a multi-frequency ultrasonic sensor and a database, wherein the gas chromatogram monitoring module is used for detecting the content of total hydrocarbons in methane and acetylene in transformer oil; the multi-frequency ultrasonic sensor detects the transformer oil and acquires different ultrasonic parameters at multiple frequencies; the microprocessor is used for receiving the ultrasonic parameters acquired by the multi-frequency ultrasonic sensor and determining the operation state of the transformer. According to the monitoring system and the monitoring method, the transformer is detected with a gas chromatogram detection technology, a multi-frequency ultrasonic detection technology and other technologies, the fault diagnosis accuracy is improved, and the fault type of the transformer can be timely analyzed.
Owner:HEFEI LIYUANJIE INFORMATION TECH CO LTD

Tour inspection robot system

The invention relates to a tour inspection robot system comprising a tour inspection track, a moving carrying system, a walking and detecting movement control system, a detection system, a database and analysis system and a display and alarm system. The moving carrying system, the walking and detecting movement control system and the detection system are integrated to form a whole moving body. Themoving body walks and performs detection on the tour inspection track and stores detection data in the walking and detecting movement control system. Through comparison and calculation of the database and analysis system, the display and alarm system fulfills the functions of recording, display and alarm. The tour inspection robot system is applicable to combustible and explosive places and can realize digital real-time monitoring and recording and timely check and analyze the operating state and trend of factories. Tour inspection information is transmitted quickly and accurately in a standard way. Multi-dimension data can be analyzed comprehensively and timely and the degree of influence of manual tour inspection can be reduced. A great amount of information can be accurately processedat the same time, so that the scientific management and control capability of chemical plants can be improved and the working risks of operators can be reduced.
Owner:徐正强

Jamming device and jamming method

The present invention provides a jamming device for jamming a frequency hopping signal, the jamming device comprising at least one receiving antenna configured to receive signals in the signal spectrum of the frequency hopping signal, an emission detection unit configured to detect relevant emissions in the received signals that pertain to the frequency hopping signal, and an effectivity analysisunit configured to determine and output the effectivity of the emission detection unit based on the number of detected relevant emissions and an expected number of relevant emissions of the frequencyhopping signal. Further, the present invention provides a respective jamming method.
Owner:ROHDE & SCHWARZ GMBH & CO KG

Intelligent greenhouse

The invention relates to the technical field of agriculture planting and especially relates to an intelligent greenhouse. Aiming at problems of insufficient intelligent degree of a prior vegetable greenhouse, the invention adopts an upper ventilation window and a lower ventilation window composed of fly nets and transparent plastic films. A frame is composed of a U-shaped groove rack. The fly nets are inlaid into the U-shaped groove and are fixed with springs. The transparent plastic film moves along a guide rod through a rolling motor. The guide rod is provided with a position sensor. The lower part of a cross beam is equipped with a sunshield net. A sunshield net roller is driven by a rolling motor. The greenhouse is also provided with temperature sensors, humidity sensors, illumination intensity sensors and the like. Intelligent sensing and control are achieved through an intelligent controller, a rolling motor controller, a rolling motor frequency converter and the like. Therefore, a problem of intelligence of the greenhouse is solved. At the same time, the working efficiency is improved, the labor cost is reduced, and practicability and simpleness are improved.
Owner:北海中盛生态产业有限公司

Automatic fire extinguishing system for vehicle and fire extinguishing method thereof

The invention discloses an automatic fire extinguishing system for a vehicle and a fire extinguishing method thereof. The system comprises a fire extinguishing processing layer, a data transmission layer, a data analysis processing layer and a user service layer, wherein the fire extinguishing processing layer comprises a detection device, a fire extinguishing device and a fire extinguishing controller; the detection device is used for detecting the real-time temperature of a compartment; an engine compartment and a battery compartment of the vehicle and is also used for detecting whether flames are generated in the compartment; the engine compartment and the battery compartment; the fire extinguishing device comprises fire extinguishing disposal devices arranged in the compartment; the engine compartment and the battery compartment respectively; each fire extinguishing disposal device is used for releasing a fire extinguishing agent to extinguish a fire in an area where the fire extinguishing disposal device is positioned; and the fire extinguishing controller is used for driving the corresponding fire extinguishing disposal device to release the fire extinguishing agent. The automatic fire extinguishing system for the vehicle and the fire extinguishing method thereof achieve the functions of automatic fire extinguishing and remote manual fire extinguishing of the vehicle, arebeneficial to platform information management of fire fighting data, and can also transmit environmental parameters to a cloud platform so as to monitor operating data of the vehicle before a fire occurs and generate a certain prediction effect.
Owner:安徽育求消防科技有限公司
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