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50results about How to "Fast and Accurate Acquisition" patented technology

Laser radar road reconstruction and expansion exploratory survey design method

The invention discloses a laser radar road reconstruction and expansion exploratory survey design method. The method comprises the steps of A designing a result coordinate benchmark, measuring basic control and measuring pavement control points; B determining parameters including the data density, acquisition route and the like, and acquiring vehicle laser radar data along a main road and a ramp; C determining parameters including the data density, flight design and the like, and acquiring airborne laser radar data according to a designed flight strip; D realizing laser radar data fusion by refining laser point cloud plane coordinates and elevation coordinates and refining track line data; E acquiring characteristics of road traffic lane lines by using point cloud intensity information, and realizing extraction of characteristic lines of road pavements, protection and the like by adopting a method of projecting three-dimensional point clouds to a two-dimensional plane; F recovering planar elements and longitudinal surface elements of an existing road; G producing a DEM (digital elevation model), a DOM (digital orthophoto map) and a DLG (digital line graphic); H collaboratively designing laser radar measurement and road reconstruction and expansion CAD (computer-aided design), designing flat, longitudinal and transverse cross sections of a road, comparing and selecting schemes, and outputting final design drawings and charts.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD

Radio frequency identification (RFID)-based exhibitor information survey analysis method

InactiveCN102129641AIncreased reliabilityGet fast and accurateSensing record carriersCommerceUnique identifierData science
The invention discloses a radio frequency identification (RFID)-based exhibitor information survey analysis method. Each exhibitor is bound with an RFID tag with a unique identifier by a participating card, so the uniqueness of the participating card makes all exhibitors investigated, avoids impostors or users investigated for a plurality of times for obtaining prizes and the like in a questionnaire survey to further make exhibition information more comprehensive and reliable; and the whole survey process is transparent for the exhibitors, the exhibitors are not required to perform any operation, and the influence of the survey process on the participating process of the exhibitors is avoided so as to make the exhibition information realer and more reliable and improve reliability. In addition, information acquisition and processing in the whole investigation analysis process are automatically finished by equipment, so investigation results are more conveniently and accurately acquired, and the validity is improved.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

RFID intelligent sensing recognition technology-based consumer preference survey and analysis system

InactiveCN105590229ASave research costsThe research results are true and credibleCo-operative working arrangementsMarketingWireless transmissionSurvey result
The invention provides an RFID intelligent sensing recognition technology-based consumer preference survey and analysis system. The system of the invention includes an intelligent label which is attached to a commodity for sale, an intelligent object state identification terminal which can wirelessly acquire related information of the intelligent label, a base station with a wireless receiving module, and a computer for a user to acquire and analyze data; the intelligent label includes an MEMS sensor which acquires the acceleration information of the object, a main control and detection unit and a wireless transmission module; the intelligent object state identification terminal formats data acquired from the label, packages the data and uploads the packaged data to the base station with the wireless receiving module; the base station transmits the data to the computer through a USB communication mode; and an analysis module is arranged in the computer. With the system of the invention adopted, information such as the preferences of consumers, the number of people who are interested in the object, and the effective attention degree of the object can be accurately obtained; and a survey and research process is basically completed by equipment, and the acquisition of survey results can be more quick and accurate.
Owner:HANGZHOU CENTURY CO LTD

Determination method and device and equipment and storage medium for correct input-output of warehouse of train

InactiveCN108163016AAccurate and efficient correctness judgmentEasy accessRailway traffic control systemsVehicle detectionEngineering
The invention discloses a determination method and device and equipment and a storage medium for correct input-output of a warehouse of a train. The determination method includes the steps that a video of a station track which is matched with a received signal of the input-output of the warehouse of the train and a detection signal of the train on the station track are acquired; a wagon number ofthe train of the input-output of the warehouse which corresponds to the station track is acquired according to the video; an inlet and an outlet and categories of the input-output of the warehouse ofthe train of the input-output of the warehouse are determined according to the detection signal of the train; and according to the wagon number, the station track, the inlet and the outlet and the categories of the input-output of the warehouse, whether the action of the input-output of the warehouse of the train is correct is determined and corresponding operations are executed. According to thetechnical scheme of the embodiment, the technological defects of worse efficiency of record and check of data of the train of the input-output of the warehouse, high error rate and higher labor cost in the prior art are solved, a correct judge for the present input-output of the warehouse of the train is achieved rapidly, accurately and effectively, a timely record is carried out when the action of the input-output of the warehouse is correct, and a timely report is carried out when the action of the input-output of the warehouse is wrong.
Owner:BEIJING RAILWAY INST OF MECHANICAL & ELECTRICAL ENG

Method for judging magnetic pole polarity of motor rotor

Provided is a method for judging magnetic pole polarity of a motor rotor. Pulsating high frequency voltage signals are injected into a direct axis, high frequency current response values of the directaxis and a quadrature axis are obtained; according to the response currents of the direct axis and quadrature axis, a first direct axis high frequency current corresponding to a phase shown in the description and a second direct axis high frequency current corresponding to a phase shown in the description are calculated; the magnetic pole polarity of the motor rotor is judged by comparing absolute values of the first direct axis high frequency current and second direct axis high frequency current. According to the method, only the pulsating high frequency voltage signals are injected into thedirect axis, an initial estimated value of the rotor position is obtained through calculation, and it is judged whether the initial estimated value is revised or not. The method is compared with theprior art, multiple injection voltages are not needed to acquire the corresponding parameters, the calculation method is simple, and the magnetic pole polarity of the motor rotor can be quickly and accurately obtained.
Owner:SF TECH

Method, device and system for acquiring error code information

The invention provides a method, a device and a system for acquiring error code information. A mobile terminal receives a first message; the first message is sent to the mobile terminal through a network side after the mobile terminal fails to access to a network; the first message comprises the error code information; the error code information is used for indentifying the information of cause why the mobile terminal fails to access to the network; and the mobile terminal acquires the cause information of failure to access to the network and displays the cause information of failure to access to the network. Therefore, the cause why the mobile terminal fails to access to the network can be fast and accurately acquired, and response prompt is supplied to users, so that good interaction between the users and the mobile terminal can be intelligently and fast assisted, and the degree of experience of the users for the mobile terminal is improved.
Owner:ZTE CORP

Optimized barcode scanning parameter learning method of barcode reader, and barcode reader

Provided is an optimized barcode scanning parameter learning method of a barcode reader. Multiple light emitting elements generate light sources one by one according to set light emitting parameters, the light sources are projected to a barcode of a label, and an image collection device collects the image of the barcode of the label. Multiple scanning parameters are obtained after the image is sampled and decoded, one optimized scanning parameter among the multiple scanning parameters is selected and stored in a scanning parameter memory device, and serves as a preset scanning parameter when the barcode reader scans the barcode of the label. With the optimized barcode scanning parameter learning method, the barcode reading speed is quick, barcode information can be accurately obtained, and the overall work efficiency can be improved indeed.
Owner:MEXXEN TECH SHANGHAI

Method and system for carrying out unconditional pseudo completion acceptance on fixed-line service

ActiveCN106027607ASolve the problem of not being able to access the InternetImprove satisfactionMetering/charging/biilling arrangementsResourcesQuality of serviceMaintainability
The invention relates to the technical field of communication, and especially relates to a method and system for carrying out unconditional pseudo completion acceptance on fixed-line service. According to the method and the system, for fixed-line service processes, on a work order process way, for the condition that a user has no fixed-line resource and agrees to adopt an alternative scheme, the user can adopt the alternative scheme, a pseudo completion notice is directly initiated, and a billing side is noticed to carry out billing according to a general bandwidth mode. According to the method and the system, the user applies the alternative scheme, and the fixed-line resource is established at the same time; after the fixed-line resource is established, the equipment provided by the alternative scheme is recycled; the billing side is unnecessarily noticed to carry out billing again; the problem that the user cannot surf the Internet due to a resource or equipment fault can be solved; the quality of service and the customer satisfaction are improved; the benefits of an operator are increased; moreover, each process is dispatched by employing webservice interface messages; the code is realized by employing tuxedo and webservice languages; the efficiency is high; and the portability and maintainability of a program are high.
Owner:北京思特奇信息技术股份有限公司

Real-time detection method of sinking position of flexible mattress

The invention discloses a real-time detection method of sinking position of flexible mattress. The detection method is characterized by comprising the steps of adopting the GPS (Global Position System) positioning systems of a base-station and three mobile radio stations; installing the three mobile radio stations on a measuring ship and moving above a detection point; installing an ultrasonic transmission sensor at the edge of the mattress where the detection point is set, and installing the ultrasonic receiving sensors all around the three mobile radio stations; receiving and measuring the propagation time which ultrasonic waves are arrived by the three ultrasonic receiving sensors, and calculating distances; meanwhile, determining a three-dimensional coordinate of the three ultrasonic receiving sensors by the information of the mobile radio stations, and obtaining the space position of the detection point through the interpretation of the space coordinate. According to the detection method provided by the invention, the sinking position of the flexible mattress can be quickly and accurately obtained to provide a basis for the subsequent sinking, and the sinking effect of the flexible mattress can be ensured; meanwhile, the detection method has the advantages of being simple to operate, low in cost, good in feasibility and high in precision.
Owner:CHONGQING JIAOTONG UNIVERSITY +2

Matching tree-based terminal information backup method and backup device

The invention provides a matching tree-based terminal information backup method and a backup device. The method comprises the steps of presetting a configuration file, wherein the configuration file comprises a start identifier, packets corresponding to to-be-backed up applications and matching entries which are corresponding to the packets and composed of matching items corresponding to to-be-backed up file names or directory names; constructing a matching tree which takes the start identifier as a root node and takes the packets and the matching items in the matching entries corresponding tothe packets, which are sequentially distributed step by step, as tree nodes according to the configuration file; matching file names sent by a to-be-backed up terminal with the matching tree; and ifthe matching is successful, storing the file content corresponding to the file names. The method provided by the invention has the advantages of accurately collecting the specific backup information in batches, reducing the IO (Input / Output) writing, reducing the backup time, improving the backup efficiency, reducing the occupied space of redundant files, reducing the energy loss of equipment andterminals and the like.
Owner:XIAMEN MEIYA PICO INFORMATION

Agricultural non-point source pollution treatment system for riverway purification

The invention discloses an agricultural non-point source pollution treatment system for riverway purification. The system comprises an information data platform, a wireless communication module, a monitoring station, a control terminal, a water quality processing device and a water quality monitoring device, wherein the monitoring station is internally provided with a control terminal, the periphery of the monitoring station is provided with a water quality processing device, the control terminal is in communication connection with the water quality monitoring device through a wireless communication module, and the information data platform is in communication connection with the control terminal arranged in the monitoring station through the wireless communication module. The system provided by the invention can be used for directly carrying out unified monitoring and pollution treatment on riverways in a range; the purification treatment steps can be simplified or enhanced accordingto specific conditions, the system can be suitable for various conditions, the treatment method is determined according to specific requirements, information acquisition is faster and more accurate, resource waste is avoided to the maximum extent, and the treatment efficiency of riverway agricultural non-point source pollution is effectively improved.
Owner:江苏东恒环境控股有限公司

Ingredient content analytical method for turbine blade salt deposition and scaling

The invention discloses a method for analyzing the salification and scale formation component content of the vanes of a steam turbine, which comprises the following steps: scale sample is weighed and dried, and water content is measured; the ignition increment S1 percent and decrement S2 percent of the scale sample at 450 DEG C and 900 DEG C are measured; the contents of sodium ions and potassiumions in the acid soluble scale sample component are measured; the content of chloride ions CI<-> percent, the content of fluorine ions F<-> percent, the content of sulfuric anhydride SO3 percent, thecontent of phosphoric oxide P2O5 percent, the content of ferric oxide Fe2O3 percent, the content of alumina AI2O3 percent, the content of copper oxide CuO percent, the content of calcium oxide CaO percent and the content of magnesium oxide MgO percent in the scale sample are measured; the full silica content in the alkaline fusion component of the scale sample is measured and presented by SiO2 percent; the percentage contents of NaCI, NaF and Na2O are calculated; compared with the current method for analyzing the scale and corrosion products of heat power plants, the adoption of the method ofthe invention to analyze the salification and scale formation component content of the vanes of the steam turbine can obtain more accurate and reliable data.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Wind tunnel cold leakage monitoring method based on global normal distribution and local outlier factor

The invention discloses a wind tunnel cold leakage monitoring method based on global normal distribution and local outlier factors. The method comprises the steps of obtaining temperature measurement point data of a temperature measurement optical fiber laid on the outer surface of a wind tunnel; performing global anomaly detection on all the temperature measurement points based on normal distribution to obtain global anomaly points; carrying out local anomaly screening on all global abnormal points based on a local outlier factor, and taking the screened local abnormal points as stable cold leakage points; and establishing a cold leakage area by taking all the stable cold leakage points as supports. The invention provides a wind tunnel cold leakage monitoring method based on global normal distribution and local outlier factors to solve the problems that in the prior art, when distributed optical fibers are adopted to monitor the surface temperature of a wind tunnel, the false alarm rate is high and the cold leakage and liquid leakage conditions of the surface of the wind tunnel are difficult to effectively obtain.The purposes of reducing the false alarm rate and effectively detecting cold and liquid leakage on the surface of the wind tunnel are achieved.
Owner:中国空气动力研究与发展中心设备设计与测试技术研究所

Detection method for sinking position of flexible mattress

The invention discloses a detection method for a sinking position of a flexible mattress. The detection method is characterized by comprising the steps of adopting the GPS (Global Position System) positioning systems of a base-station and three mobile radio stations; installing the three mobile radio stations on a measuring ship and moving above a detection point; installing an ultrasonic transmission sensor at the edge of the mattress where the detection point is set, and installing the ultrasonic receiving sensors all around the three mobile radio stations; receiving and measuring the propagation time that ultrasonic waves are arrived by the three ultrasonic receiving sensors, and calculating distances; meanwhile, determining a three-dimensional coordinate of the three ultrasonic receiving sensors by the information of the mobile radio stations, and obtaining the space position of the detection point through the interpretation of the space coordinate. According to the detection method provided by the invention, the sinking position of the flexible mattress can be quickly and accurately obtained to provide a basis for the subsequent sinking, and the sinking effect of the flexible mattress can be ensured; meanwhile, the detection method has the advantages of being simple to operate, low in cost, good in feasibility and high in precision.
Owner:CHONGQING JIAOTONG UNIVERSITY +1

Novel analog signal amplifier

The invention discloses a novel analog signal amplifier which comprises a microprocessor circuit, a power supply circuit, a man-machine interface circuit, a communication interface circuit, a digital IO interface circuit, a digital and analog conversion circuit, and an analog signal differential amplification circuit. According to the novel analog signal amplifier, a signal passband is wide, and the application of a high speed control response is satisfied. Output end analog signal can be collected in a high speed, analog acquisition equipment is saved, and the hardware cost is saved. A man-machine interface is convenient, a customer operation is simple, and information can be set and obtained visually. The execution of a sensor and analog signal amplifier calibration operation is simple and quick, and a calibration result is accurate and is not affected by user professionality and the precision of other testing instruments. Communication interfaces are rich. LAN communication can be formed by multiple analog signal amplifiers through a CAN bus, the wire layout is convenient, and the reliability is high. A digital IO interface is arranged, and back level control equipment can conveniently and timely obtain the state of an acquisition quantity to control the acquisition quantity. The energy utilization efficiency is high, and heat generation is small.
Owner:BOZHON PRECISION IND TECH CO LTD

Carrier pigeon management method and device applying NFC in competitive gliding process

The invention discloses a carrier pigeon management method and a carrier pigeon management device applying NFC in a competitive gliding process, and relates to the technical field of computers. The carrier pigeon management method comprises the following steps: firstly, a website background acquires carrier pigeon information contained in each foot ring in a near field communication manner, wherein the foot rings are in one-to-one association with participating carrier pigeons in a competitive gliding process, moreover, the foot ring has an NFC function; secondly, the website background obtains the flying time of the competing carrier pigeons; then, the website background acquires the homing time of each competing homing homing pigeon through the homing pigeon channel pedal; therefore, thewebsite background calculates the time difference between the homing moment and the flying moment, associates the time difference with the competing carrier pigeons, and judges the number of the competing carrier pigeons according to the time difference from small to large, so that the information management of the competing flight process is realized through the process, the manpower consumptionin the competing flight process is effectively reduced, and the competing flight method is convenient and fast.
Owner:瀚辰科技有限公司

A New Type of Analog Signal Amplifier

The invention discloses a novel analog signal amplifier which comprises a microprocessor circuit, a power supply circuit, a man-machine interface circuit, a communication interface circuit, a digital IO interface circuit, a digital and analog conversion circuit, and an analog signal differential amplification circuit. According to the novel analog signal amplifier, a signal passband is wide, and the application of a high speed control response is satisfied. Output end analog signal can be collected in a high speed, analog acquisition equipment is saved, and the hardware cost is saved. A man-machine interface is convenient, a customer operation is simple, and information can be set and obtained visually. The execution of a sensor and analog signal amplifier calibration operation is simple and quick, and a calibration result is accurate and is not affected by user professionality and the precision of other testing instruments. Communication interfaces are rich. LAN communication can be formed by multiple analog signal amplifiers through a CAN bus, the wire layout is convenient, and the reliability is high. A digital IO interface is arranged, and back level control equipment can conveniently and timely obtain the state of an acquisition quantity to control the acquisition quantity. The energy utilization efficiency is high, and heat generation is small.
Owner:BOZHON PRECISION IND TECH CO LTD
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