226results about How to "Rich data" patented technology

The invention discloses a tolling highway network traffic information acquisition and induction system based on a path identification system. The tolling highway network traffic information acquisition and induction system comprises a tolling highway outlet, inlet tolling lane system, a networking tolling center system, a 5.8G path identification station, a 5.8G path identification station monitoring system, a MTC vehicle double-frequency passing card, an ETC vehicle OBU and noncash payment card, an on-board multimedia terminal, and a traffic information processing system. The tolling highway network traffic information acquisition and induction system is advantageous in that by adopting the 5.8G Hz path identification station, the double-frequency passing card provided with the Bluetooth module, the OBU, and the on-board multimedia terminal, the path identification and traffic information acquisition and the traffic information push can be realized; by adopting the combination between the cloud calculation and the 5.8G path identification station distributed calculation, the processing and the prediction of the information such as the traveling time, the traffic flow, the travel speed, the traffic state, and the vehicle position of the tolling highway segment can be realized, and therefore the accurate and reliable front traffic information can be provided for the highway user.

The invention relates to a monocular vision measuring method for an iron tower. According to the method, the measurement of rod pieces of the iron tower in a full-width photo is realized by the actual length represented by unit pixel distance at a specific position in the photo. The method is finished by the following processes of: camera calibration, camera elevation (vertical angle) measurement, camera visual angle (divergence angle) calculation, image correction and the like, wherein the camera calibration is finished at one time; the image correction, the divergence angle calculation and the like can be finished by computer programs; and therefore, a rapid measurement task is realized. According to the method provided by the invention, the measurement work can be finished rapidly only by using a camera and a range finder; the iron tower only needs to be shot once, and then image calculation and processing are performed in an office, so that the aim of measuring the iron tower is fulfilled without influence caused by charged and weather conditions; much data information is obtained by the measurement; and all rod pieces can be measured at the same time.

The invention relates to an INS (Inertial Navigation System) / GNSS (Global Navigation Satellite System) / polarization / geomagnetism combined navigation alignment method based on Kalman filtering. The method comprises the following steps: selecting an initial aligned state variable, and establishing an error equation of a combined navigation system; performing matching and fusing to establish a polarization measuring equation according to a polarization azimuth angle output by a polarization sensor and an azimuth angle output by the INS; establishing a geomagnetism measuring equation according toa heading angle output by a magnetometer and the heading angle output by the INS; performing matching and fusing to establish an error measuring equation according to a speed and position informationoutput by the GNSS, the speed and the position information output by the INS; establishing a unified measuring equation for the combined navigation system by utilizing an augmented reality technology;designing a Kalman filter to estimate physical quantities such as a misalignment angle, a speed error, a position error, etc., of the combined navigation system; and performing feedback correction onan attitude, the speed and the position of the combined navigation system to improve the initial alignment estimation precision. The method has the advantages of being high in precision, small in calculation amount and high in compatibility, and the initial alignment time is reduced.

The present invention discloses a true triaxial test ultrasonic wave and acoustic emission testing system. According to the present invention, a true triaxial test apparatus has six sides of pressurization units, wherein ultrasonic wave and acoustic emission coupling test transducers are arranged between every side of the pressurization unit and corresponding surfaces of rock, a communication terminal of at least one ultrasonic wave and acoustic emission coupling test transducer is connected with a signal output terminal of a multi-channel ultrasonic wave defect detector, communication terminals of other ultrasonic wave and acoustic emission coupling test transducers are respectively connected with a signal input terminal of the multi-channel ultrasonic wave defect detector and a signal receiving terminal of an acoustic emission instrument through signal shunts, and the acoustic emission instrument and the multi-channel ultrasonic wave defect detector are connected with a computer. With the present invention, an ultrasonic wave test and an acoustic emission test can be performed on the same rock, completely comprehensive data information can be provided for understanding of deformation and breaking law, and mechanics mechanism of the rock, and adverse affects on test results by difference of different blocks can be avoided.

The invention discloses a high-resolution three-dimensional resistivity CT (Computed Tomography) imaging advanced prediction system and method of underground engineering. According to the system and the method, a three-dimensional measuring mode of parallel double drilled holes and orthogonal measuring liens is designed; a multiple-coverage, fully automatic and fully combined free data acquisition mode is adopted; the conventional electrical process data acquisition mode is improved, so that richer data quantity can be achieved; a three-dimensional total space resistivity data inversion interception method is performed, so that a more accurate three-dimensional imaging effect can be obtained, a three-dimensional resistivity fine structure of a geologic body in a certain range in front of a working face is obtained, and high-resolution accurate imaging of an abnormal geologic body can be realized; and particularly, the resolution of a deep part is obviously improved, the bottleneck that only a local region can be detected by advanced bore is broken through, the defects of low accuracy and resolution of the conventional advanced prediction geophysical exploitation method are overcome, and a feasible approach is provided for realizing high-resolution accurate advanced prediction of construction of the underground engineering.

The invention relates to a system for automatically acquiring and analyzing a trace gas, which comprises a central control computer, an industrial control module group, a sampling part and a gas acquisition and analysis part, wherein the central control computer is used for writing programs by means of industrial control configuration software, generating and transmitting tank cover, gas passage and gas analysis commands, and receiving and storing analog signals which contain environmental meteorologic parameters and trace gas concentration data and are transmitted by the industrial control module group; the industrial control module group is respectively connected with the central control computer, the sampling part and the gas acquisition and analysis part; the gas acquisition and analysis part is connected with a pipeline of the sampling part; the industrial control module group is used for receiving industrial control commands, outputting multiple switching signals, and controlling the sampling part and the gas acquisition and analysis part to automatically carry out tank cover switching, gas acquisition and trace gas concentration analysis according to the programs; and the industrial control module group is used for processing current signals output by the sampling part and voltage signals output by the gas acquisition and analysis part and outputting the analog signals containing the environmental meteorologic parameters and the gas concentration data.

The invention discloses a vehicle-mounted dust-haze pollutant real-time on-line monitoring system and a vehicle-mounted dust-haze pollutant real-time on-line monitoring method. The monitoring system includes a PM2.5 online mass spectrum detection system, a VOCs online mass spectrum detection system and a VOCs online spectrum detection system which are arranged on a moving monitoring vehicle. The monitoring method includes the steps of performing on-line measurement to particulate matters in atmosphere through PM2.5 online time of flight mass spectrum to obtain number concentration of the particulate matters, spectrogram of particle size and online mass spectrum data, classifying the ingredients of the particle matters through an ART-2a method to obtain chemical ingredient data of single particle under different time resolutions and particle sizes, analyzing the source of the particulate matters through a mass spectrum direct analysis technology to determine the source of the particulate matters, directly performing online measurement to VOCs in atmosphere through the VOCs online time of flight mass spectrum to obtain the ingredient and concentration characters of the VOCs, and directly performing online measurement to the VOCs in atmosphere through VOCs online spectrum to obtain the ingredient and concentration characters of the VOCs.

The invention discloses a micro-expression loan control method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining image information and voice information of a loan when the loan answers a preset question, the image information comprising a face image and a limb action image of the loan; Analyzing the integrity of the loan according to the image information and the voice information; Obtaining historical behavior data of the loan through the face image; And evaluating the credit investigation value of the loan according to the credit degree of theloan and the historical behavior data. According to the method, the truth degree of the loan when the loan answers a sensitive question is analyzed through the facial expressions, the limb actions and the sound, and the loan risk assessment is comprehensively carried out in combination with the historical behavior data of the loan, so that the risk assessment is more accurate. The historical behavior data is from a big data network in butt joint with the test system, and the acquired paths are diverse and large in data volume, so that the credit investigation value of a loan can be judged more accurately, and the working personnel can be assisted in making accurate loan judgment.

The invention provides a three-dimensional vibration stress relief multitask acquisition and control system which comprises at least one workpiece, at least one vibration exciter, a sensor matched with each workpiece, a mainframe device and a vibration exciter drive unit, wherein, the sensor acquires a three-dimensional signal of each workpiece; the mainframe device classifies and selects distribution of the inherent frequency and the resonant frequency of each workpiece according to the maximum energy absorption principle and the multi-vibration mode principle and drives the vibration exciter drive unit; and the vibration exciter drive unit drives the vibration exciter to vibrate according to the frequency selected by a mainframe so as to eliminate the stress of each workpiece through vibration. The system and a method thereof provided by the invention have the following advantages of achieving more simplified and more convenient acquisition, ensuring that the distribution of the resonant frequency with different vibration patterns of each workpiece is wider and data is more perfect without omission in Fourier spectrum analysis, ensuring that the obtained result is more accurate while classifying and selecting the resonant frequency for Fourier spectrum analysis, and ensuring that vibration ageing treatment effect is better.

The invention relates to the technical field of block chain, in particular to a commodity recommendation method based on block chain, a block chain node and a system. The method comprises the following steps of: receiving an access request sent by an ordinary node; selecting and executing an intelligent contract of a corresponding type in response to the access request according to the recommendation algorithm identification; summarizing all blocks into a history shopping list and send the history shopping list to the normal node. On the one hand, since the chunk chain is untamperable, with the characteristics of decentralization and high transparency, the merchant relies on the user history purchase information recorded in the block chain, and each merchant can share the user history purchase information on the block chain. Therefore, the amount of data of the user history purchase information on the block chain is relatively large, so that the merchant can more accurately recommend advertisements to the user. On the other hand, the block chain can also provide the corresponding user data for the merchant according to the recommendation algorithm selected by the merchant, in orderto facilitate the merchant to recommend advertisements more flexibly and accurately to the user.

A driving and control integrated system of robot joints comprises a control module, a driving module, a sensing module and a communication module, wherein the control module is connected with the driving module through an analog quantity interface and a digital quantity interface, outputs a motion control instruction of a motor of the robot joints, receives a motor current signal from the drivingmodule and encoder pulse information and acquires speed and accelerated speed signals of the current motor; the sensing module acquires sensor data in the robot joints and feeds back to the control module; and the communication module uploads the sensor data, the motion control instruction and the motor motion state data to an upper computer through a bus and downloads a control instruction whichis transmitted to the robot joint control module by the upper computer from the bus; and the upper computer and a lower computer adopt a master-slave communication control mode, and the exchanged datais subjected to two-way transmission on the bus.

The invention discloses a tunnel face geology multi-dimensional digitized record recognition method. The method comprises the steps that a target object is determined, installation positions of a video shooting device, an infrared thermometer and a laser ranger finder are determined, the target object is divided into four parts which are imaged respectively, images are preprocessed, the preprocessed images are subjected to structural information extraction and analysis, and structural surface features and rock mass texture features are obtained, a three-dimensional geological structure model is reestablished, geology is predicted, fracture surface and rock stratum joint images of adjacent faces are obtained from face images in the three-dimensional geological structure model, every two adjacent rock stratum joint boundaries share the same structural surface, a virtual section cutting plane at any angle crosses with the boundary of the corresponding structural surface, and a geology longitudinal plan is obtained. The three instruments are adopted to quickly, efficiently and comprehensively collect the conditions of the faces, the collecting mode that the images of partitions are collected respectively and then synthesized into images is adopted for the tunnel face images, the image quality of the collected images can be improved, image processing in a later stage is easy, and the accuracy of the images is improved.

An embodiment of the invention discloses an image processing method and equipment, a computer storage medium and system, wherein the method is applied to the cage. The method comprises the following steps of: The cage acquires M groups of image features of the image to be processed from the encoder, and acquires first image representation information corresponding to each group of image features in the M groups of image features. According to each group of image features and first image representation information corresponding to each group of image feature, M image representation informationsets are generated, wherein, a set image features corresponding to an image representation information set generated, and an image representation information set includes at least one second image representation information. The second image representation information included in the M image representation information sets is merged to acquire target image representation information, and the target image representation information is output to the decoder. According to the image processing method and equipment, the computer storage medium and system, it helps to improve the natural statement description accuracy of the image, and optimize the quality of the image content understanding service.

Provided is a method for point cloud data processing and crossover object obtaining of a transmission line. A terrain and ground object information database is established according to actual information of terrain and ground objects in three-dimensional point cloud data; original three-dimensional point cloud data is obtained by utilizing three-dimensional laser scanning; and the ground objects are obtained. On the original basis of not changing the original point cloud data, no modeling rendering processing is performed, spatial information at any point is not changed, he point cloud data of the various ground objects is obtained accurately; and according to concrete requirements of design disciplines, a topographic map suitable for three-dimensional design of a high-voltage transmission line is formed, which is achieved internationally for the first time and is a breakthrough in the technical field of track design.

The invention relates to a multi-user multi-parameter wireless detection, diagnosis, service and monitoring system which comprises a detection terminal and a medical establishment central processing terminal connected to the detection terminal through a network, wherein the detection terminal comprises a patient information reading module, a measuring module and a first transmission module. The first transmission module transmits patient physiological data measured by the measurement module to the medical establishment central processing terminal through the network. The medical establishment central processing terminal comprises a central analysis and diagnosis database and a second transmission module, and the second transmission module transmits data between the first transmission module and the central analysis and diagnosis database. The detection terminal further comprises an output module which is at least used for outputting inspection reports. According to the multi-user multi-parameter wireless detection, diagnosis, service and monitoring system, data transmission between the detection terminal and the medical establishment central processing terminal is utilized to achieve remote medical service, so people can more conveniently enjoy the medical service, and time and places for the medical service are more flexible.

The invention discloses a dual-mode communication system based on a wireless ad hoc network and BeiDou RDSS technology and a communication method. A BeiDou transmitting-receiving link comprises a BeiDou RDSS baseband solution module connected to the control interface and the data interface of a master controller, and an analog-to-digital and digital-to-analog converter and a Beidou RDSS RF transmitting-receiving functional module which are successively connected with the BeiDou RDSS baseband solution module. A wireless ad hoc transmitting-receiving link includes a wireless ad hoc baseband processing module connected to the control interface and the data interface of the master controller, and an analog-to-digital and digital-to-analog converter and a wireless ad hoc RF transmitting-receiving functional module which are successively connected with the wireless ad hoc baseband processing module. The master controller is configured to perform communication channel signal monitoring and communication channel transmitting-receiving monitoring on the BeiDou RDSS baseband solution module and the wireless ad hoc transmitting-receiving link, and to switch the communication modes according to a monitoring situation, wherein the communication modes includes at least one of a fusion mode, a store-and-forward mode, and a BeiDou RDSS short message relay mode.

Relating to the field of genetics, the invention specifically provides a screening method and application of a Dongxiang blue-eggshell chicken genome SNP molecular marker. The screening method includes: conducting high-throughput sequencing detection, then calculating the genetic statistics, then analyzing the genetic difference between Dongxiang blue-eggshell chickens and other chicken breed groups, and finally screening out the Dongxiang blue-eggshell chicken SNP molecular marker. The screening method has the technical effects of efficient and rapid screening of Dongxiang blue-eggshell chicken molecular marker, the selected gene of the screened Dongxiang blue-eggshell chicken serves as the molecular marker for identifying the Dongxiang blue-eggshell chicken germplasm, has the characteristics of low cost, abundant data and high detection precision, alleviates the technical problems of high genetic differentiation research cost and low accuracy caused by lack of efficient molecular biological method and genetic marker in current Dongxiang blue-eggshell chicken genetic differentiation identification. And application of the Dongxiang blue-eggshell chicken genome SNP molecular markeralleviates the technical problem of lack of efficient molecular biological marker in the genetic differentiation research of Dongxiang blue-eggshell chicken.

The invention relates to an alignment method of an INS / GNSS / polarization / geomagnetic integrated navigation system based on the least squares. The method comprises the following steps: selecting an initial aligned state variable; establishing a polarization measurement equation according to the match and fusion of a polarization azimuth angle which is output by a polarization sensor and an azimuthangle which is output by the INS; establishing a geomagnetic measurement equation according to heading angles which are respectively output by a magnetometer and the INS; establishing an error measurement equation according to the match and fusion of the velocity and position information which are output by the GNSS and the velocity and position information which are output by the INS; using the augmentation technology to establish a unified measurement equation of the INS / GNSS / polarization / geomagnetic integrated navigation system; using the least squares technique to estimate the physical quantities such as a misalignment angle, a velocity error, a position error and the like of the INS / GNSS / polarization / geomagnetic integrated navigation system; and performing feedback correction on the attitude, the velocity, and the position of INS / GNSS / polarization / geomagnetic integrated navigation system to improve the initial alignment estimation accuracy.

The invention discloses a vehicle behavior track detecting method based on a video image. The method comprises a fused GMM-PRLK multi-moving-target automatic detecting and tracking algorithm. Furthermore a template updating mechanism is added for handling phenomena of turning, deformation and the like in a driving process of a moving vehicle. Unsupervised automatic detecting and tracking can be performed in the whole process. In a three-dimensional track reconstruction process, an improved stereo matching algorithm based on an SURF characteristic is utilized. An improved KNN-RANSAC algorithm is utilized for performing characteristic point matching and a relatively larger number of mis-matching points can be eliminated. Compared with an induction coil and radar ultrasonic wave, the vehicle behavior track detecting method based on the video image has advantages of greatly improving detecting efficiency, obtaining more data information, realizing simple operation, saving cost and reducing labor intensity.

The invention discloses a gear precision measurement and evaluation method, and the method comprises the following steps: scanning a detected gear, and building an actual model of the detected gear according to the scanning data; carrying out the overlapping of the actual model of the detected gear with a standard 3D model; selecting sections of the overlapped models for comparison; and judging whether a point on the section of the actual model exceeds a tolerance zone selected from the actual model or not. The method enables the measurement data of the gear to be visual, simple and easy, and does not need an excessively professional technical background. The method does not need gear dedicated measurement equipment, and reduces the cost of dedicated instruments. The method is complete in data information, can comprehensively manage and control all data features of a gear section, and also can enable the measured data to be directly read in design or analysis software for use. The method is high in efficiency, can be used for online measurement of gear parts in batch production, and enables the quality of a product to be easy to manage. The method can be suitable for the data systematic management of a gear product, and achieves the analysis application of tracking and complex data.

The invention provides a three-dimensional code generating and parsing method and a three-dimensional code generating and parsing device. The three-dimensional code generating method comprises the following steps: presetting a two-dimensional code data length and a three-dimensional code output format, reading binary data flow information corresponding to target page information, splitting the binary data flow into subsectional binary data flows according to the preset two-dimensional code data length, generating the subsectional binary data flows into two-dimensional codes, and combining the two-dimensional codes into a three-dimensional code according to the preset three-dimensional code output format. The three-dimensional code parsing method comprises the following steps: scanning and parsing the three-dimensional code, wherein the three-dimensional code comprises the two-dimensional codes, frame frequencies for outputting the two-dimensional codes, and a sequence for outputting the two-dimensional codes; according to the frame frequencies of the two-dimensional codes in the parsed three-dimensional code and the sequence for outputting the two-dimensional codes, parsing information in the two-dimensional codes, and combining the information of the two-dimensional codes to obtain the target page information.

The invention discloses a wellhole multi-parameter searching method for rock deformation and damage features. By a BOTDR distributed optical fiber single-end testing mode, total hole depth is deeply drilled to acquire strain data, and different depth positions of an overlying strata after mining of a working face and deformation features of extrusion, tension, shearing and the like, which are shown by a geologic body, of different rock strata in a deformation process can be reflected. Effective deformation of a linear test total drill hole controlled depth stratum is formed, and the shortcoming that data are missing easily by original point type data acquisition is overcome. The test method is clear and visible in test, and has high accuracy and precision; and the heights of a caving zone and a water conducted zone can be judged accurately. By electric field response analysis of a parallel electrical-method test technology, qualitative and quantitative accurate judgment can be realized, test accuracy is improved effectively, and other interference factors are controlled.

The invention relates to a traffic accident road base map information processing method based on a topographic map and an image. The method comprises a first step of pre-processing topographic map data, a second step of pre-processing image data, a third step of matching the topographic map data processed by the first step and the second step with the image data, a fourth step of selecting various road information on the topographic map data and the image data according to set code requirements and automatically generating a road base map, and a fifth step of revising the road base map through field investigation and plotting. Compared with the prior art, the traffic accident road base map information processing method based on the topographic map and the image has the advantages of being high in mapping precision and full in data covering and the like. The data is easy to transfer and store, and traffic accident management time can be shortened.

The invention provides a measurement service system for pollution source monitoring equipment. The system includes a data acquisition module, a measurement status monitoring module, an equipment maintenance information recording module, a remote data transmission module, a field data distributed storage and processing module, a central server and a remote measurement guiding and diagnosing platform, wherein the data acquisition module, the measurement status monitoring module and the equipment maintenance information recording module are all connected with the pollution source monitoring equipment and the field data distributed storage and processing module; the field data distributed storage and processing module is connected with the remote data transmission module; the remote data transmission module is connected with the central server via an internet of things; the remote measurement guiding and diagnosing platform is connected respectively with the field data distributed storage and processing module and the central server. The invention also provides a method of the measurement service for the pollution source monitoring equipment. According to the invention, a timely and efficient service platform is provided for the online maintenance, management, and remote technical guidance of the pollution source monitoring equipment.

This invention relates to an impedance image forming method, which uses exciting coil to generate alternating field and generate inductance current in the target according to the magnetoelectric induction principles and influence the exciting alternating field distribution and adopts the magnetic resonance image forming technique to measure the field distribution in target. The image forming device comprises the exciting coil, magnetic resonance magnetism, radio frequency coil and step coil, magnetic resonance signal receiving coil, magnetic resonance image forming system and exciting current power and computer, wherein the exciting coil is a pair of Helmholtz coil fixed on the upper and down electrode plates of the open magnetic resonance image forming system radio frequency coil.

The invention provides a forest region fire detection method based on infrared and visible video fusion, and the method comprises the steps: S1, respectively collecting and storing an infrared video image and a visible video image of a forest region; S2, carrying out the fusion of the infrared video image and the visible video image through an improved fractional differential method, and obtaining a fusion image; S3, calculating the fusion image, and determining a specific forest fire region. Meanwhile, the invention also proposes a forest region fire detection system, and the system comprises a data collection module which comprises an infrared collection submodule and a visible collection submodule, wherein the infrared collection submodule and the visible collection submodule are respectively used for collecting and storing the infrared video image and the visible video image of the forest region; an image fusion module which is used for carrying out the fusion of the infrared video image and the visible video image through the improved fractional differential method and obtaining the fusion image; and a fire detection module which carries out the calculation of the fusion image so as to obtain the specific forest fire region.

The invention discloses a digital watermarking system based on continuous vector graphics and an implementation method of the digital watermarking system based on the continuous vector graphics. The digital watermarking system comprises a digital watermark generating end and a digital watermark checking end; the digital watermark generating end comprises a digital watermark generating end communication module, a to-be-processed vector graphics set queue module, a watermark value code stream generating module, a watermark value code stream sequence module, a digital watermark adding module, a to-be-sent vector graphics set queue module, a watermark data storage at the generating end and a time sequence data generating module; and the digital watermark checking end comprises a digital watermark checking end communicating module, a received vector graphics set queue module, a digital watermark information extraction module, an extraction code stream storage module, a digital watermark checking module and a watermark data storage at the checking end. According to the invention, digital watermarks can be embedded and checked in an extremely simple vector graphics; and the digital watermarking system has large embedded data quantity, is simple to implement and can be adopted to realize multiple digital watermarkes.

The present invention discloses a mobile surveillance car-based single particle volatile organic compound online mass spectrum detection system and method, the system includes a mobile surveillance car and a volatile organic compound online mass spectrometer, the interior of the mobile surveillance car is provided with a driving room, a workspace area, a functional area and an instrument area, and the volatile organic compound online mass spectrometer is a single-photon ionization flight time mass spectrometer, is placed in the functional area, and is used for qualitative and quantitative real-time online analysis of industrial source volatile organic compound emissions. The mobile surveillance car-based single particle volatile organic compound online mass spectrum detection system can detect the composition and concentration of industrial source volatile organic compounds, a sample can be directly and quickly detected without sample preprocessing, high throughput sample analysis can be achieved, pollutant source volatile organic compound emissions can be detected in crusing mode, and the emissions of the composition and concentration of the volatile organic compounds at higher time resolution over time can be characterized.

The invention discloses an offset electrical sounding device, comprising an electrical transmitter (F), at least two sets of electrical receiver (V) and an offset processor; wherein the electrical transmitter (F) is used for supplying measuring current, the electrical receiver (V) includes a plurality of measuring electrodes which are parallel to power-supply baselines arranged in an area to be investigated and are arranged with certain reasonable offset distance, and based on the distance between vertical projecting points of the offset distance and an proximal end power-supply electrode to the respective measuring lines and the measuring electrodes, and the distance between two adjacent measuring electrodes (measuring dipoles) which are used for obtaining readings, the offset processor is used for correcting the offsets of data read from the at least two sets of electrical receiver (V), thus obtaining the final corrected measuring reading. The invention also provides an offset electrical sounding method. By utilizing the device and the method, the measuring efficiency can be greatly improved.

The invention relates to an RTDP (Roaming Traffic Data Report) sending and receiving method and server in roaming charge. The sending method comprises the following steps: receiving an account transfer file from a bill generation server, and for the account transfer file with error and loss, generating a corresponding error feedback file and loss feedback file for asking the bill generation server to send the account transfer file again; and processing the information of the account transfer file and the error feedback file, generating an RTDP, and sending the RTDP, wherein the latter step further comprises a step of adding the information of the lost account transfer file and the lost feedback file into the RTDP. In the invention, the lost account transfer file information and the feedback file information thereof are added when the RTDP is generated, and the bill accessory information is provided when the bill is generated by using the information, thus the defect of incomplete information carried by the RTDP is overcome, and the timeliness and accuracy of financial settlement are improved.