377 results about "Investigation methods" patented technology

A radar system (22) includes a transmitter (45), a receiver (59), and a software defined radio (SDR) peripheral (40). Methodology (80) for investigating a target zone (26) utilizing the system (22) entails generating (106) a direct sequence spread spectrum (DSSS) code (120) having a code length (122) corresponding to a time duration of radio wave travel between the transmitter (45), the target zone (26), and the receiver (59) at a carrier frequency (112). A beacon signal (34), modulated (108) by the DSSS code (120), is transmitted (152) from the transmitter (45) toward the target zone (26) and a return signal (38) is received (156) at the receiver (56). The return signal (38) is compared (170) to a replica signal (168) characterized by the DSSS code (120), and presence of an object (32) in the target zone (26) is ascertained (178) when the return signal (38) matches the replica signal (168).

The invention relates to an emergency investigation method for a single geological disaster based on remote sensing of a small unmanned aerial vehicle. The technical steps include: customization of small UAV remote sensing system; indoor preparation; field operation; rapid processing; comprehensive processing. The purpose is to carry out fast and effective image control point layout and measurement based on slope characteristics, and at the same time use a small unmanned aerial vehicle remote sensing system to automatically collect photos of the slope, and generate the slope by introducing image control points in the process of digital photogrammetry. The high-precision and high-resolution remote sensing results are obtained, and then the slope deformation detection and calculation are carried out on the two-phase remote sensing results that have passed the precision inspection and high-precision registration, so as to obtain the overall deformation characteristics of the slope quickly, efficiently and accurately.

The invention is applicable to the field of electronic technologies, and provides an epidemic situation investigation method, device and system and equipment. The epidemic situation investigation method comprises the steps of starting face image acquisition, and calibrating a face image through a viewing frame; when the face image in the viewing frame meets a preset acquisition standard, sending atemperature measuring instruction to perform body temperature detection so as to obtain body temperature information; triggering face photo taking, and embedding the detected body temperature information into the taken face photo; and uploading the face photo embedded with the body temperature information or the face photo embedded with photographer information and the body temperature information for starting face image acquisition to a server. Body temperature detection can be performed quickly and effectively during safety inspection according to the method, and the detection result is traceable in a later period.

The invention discloses a data transaction credit investigation platform on a supply chain. The platform comprises a registration and login module which allows a user to register and use a platform function after login, an electronic signature module which allows the user to carry out online signature on a transaction contract, an encryption and authentication module which allows the user to authenticate the contract for a third party, a file storage module which is used for the encryption and storage of a contract file of the user, and a sharing storage module for storing shared contract abstract information. According to the platform architecture, the distributed management and sharing of credit data can be realized, and the querying, unforgeability and tampering resistance of data are ensured. The invention also discloses a data transaction credit investigation method on a supply chain.

The invention discloses a three-dimensional investigation method for a dangerous falling rock based on an air-borne laser radar. Original laser point cloud data and original video image data which cover an engineering zone and the initial exterior orientation elements of the original video image data are collected and processed to generate a DEM (Digital Elevation Model), a DOM (Digital Orthophoto Map) and a color laser point cloud. An index database is generated, the dangerous falling rock is recognized by information in the index database, the information factors of the dangerous falling rock are extracted to classify the hazard rate of the dangerous falling rock and provide a treatment strategy, and cross section lines required by a treatment design are extracted. The high-precision color laser point cloud, the high-precision DEM and the high-precision DOM are established by the advanced space-to-land observation technology based on the air-borne laser radar, the information extraction, quantitative analysis and risk evaluation of the dangerous falling rock are realized, and a novel method for surveying mountain hazards based on the air-borne laser radar technology is created.

The invention relates to the technical field of block chain, intelligent contract and user investigation, in particular to an investigation method and system based on block chain. The invention discloses a research method based on block chain, which utilizes block chain and intelligent contract technology, realizes the decentralized data and reward exchange process, realizes double blindness between the researcher and the investigated, ensures the credibility of the research data, and protects the personal privacy of the user. The invention also provides a research system based on a block chain, comprising a client, a research system, an intelligent contract and a distributed general ledger.

Methods and systems are given for investigation of compositions of ontological subjects in accordance with various aspects of significance. Accordingly, the present invention provide a unified method and process of investigating the compositions of ontological subjects, modeling an unknown system, and obtaining as much worthwhile information and knowledge as possible about the system or the composition or the body of knowledge along with exemplary services utilizing such investigations. The data structures built and the knowledge acquired by a machine through executing the investigation methods of the present disclosure enables artificial intelligent systems, machines, and agents to perform intelligent tasks and jobs.

The invention provides an Internet of Vehicles system based on a block chain. The system comprises a certificate issuing mechanism, a vehicle-mounted unit deployed on a vehicle, a block chain networktaking a roadside unit as a peer node, and a cloud server for providing cloud service for the vehicle-mounted unit and the roadside unit. The working process of the system comprises four stages of vehicle registration, vehicle authentication, vehicle announcement and vehicle forwarding. The system provided by the invention has the characteristics of distribution, data collective maintenance, no tampering and conditional privacy protection. Meanwhile, a vehicle identity privacy protection method, a malicious vehicle responsibility investigation method and a transaction data storage method are provided, so that the problems of dependence on trusted third parties and mutual trust between entities in the traditional Internet of Vehicles architecture can be effectively solved.

The invention discloses a remote-sensing and quantized investigation method of avalanches and consists of the following steps: A. the three-dimensional satellite images with a plurality of phases and high resolution and the scanning data of a machine-carrying LIDAR are acquired; B. the satellite images with high resolution and the data of the machine-carrying LIDAR are stored into the three-dimensional space; C. the three-dimensional and remote-sensing identification of the avalanche disaster is implemented and an avalanche factor based on the images is extracted; D. a DEM with high density and high precision is constructed and a DOM with high resolution is generated; E. an avalanche disaster factor based on the DEM with high density and high precision is automatically extracted; F. a forecast model of the avalanche disaster is constructed and the stability and the fatalness of the avalanche disaster are evaluated; G. the site selection is implemented, and engineering schemes are voted and optimized. The invention achieves the automatically quantized analysis of avalanche investigation, has higher precision of identifying the avalanche disaster, can find out the law and the development trend of the avalanche disaster, implements the stability and fatalness evaluation of the avalanche disaster, avoids the influence of the avalanche disaster to engineering, achieves the action of reducing and preventing disasters, and markedly generates economic, social and environmental benefits.

The invention discloses a railway field investigation system based on 3DGIS. The system comprises a desktop end database configuration module, a desktop end three-dimensional management module, a desktop end mobile equipment management module, a desktop end investigation accomplishment management module, a mobile end user management module, a mobile end three-dimensional display module and a mobile end investigation work module, wherein the desktop end database configuration module is used for carrying out professional investigation tool configuration, investigation user management and investigation project configuration, the desktop end mobile equipment management module is used for carrying out data input and investigation accomplishment output, the desktop end investigation accomplishment management module is used for carrying out format conversion and generating investigation reports, the mobile end three-dimensional display module is used for carrying out three-dimensional investigation base map loading, three-dimensional roaming, two-dimensional and three-dimensional mode display, layer control and system positioning, and the mobile end investigation work module is used for carrying out professional investigation tool drafting, investigation accomplishment storage, investigation accomplishment edition and investigation accomplishment query. The system is advantaged in that each professional digital railway field investigation work is realized.

The embodiment of the invention provides a mobile communication system interference investigation method and device, and relates to the field of communication. By means of the method and device, automatic data collection and statistics from the network side can be achieved, and interference cell pairs and interference level are determined in time. The method comprises the steps that a measurement report MR reported by a terminal is obtained, wherein the MR comprises identifications of main service cells in all cells, signal strength information of the main service cells, identifications of other cells and signal strength information of other cells; the number of MR total sampling points of all main service cells is calculated according to the identifications of the main service cells, the number of invalid covering sampling points of other cells to the main service cells in the same MR sampling point is obtained, the number of the invalid covering sampling points is compared with the number of MR total sampling points to obtain the ratio of the invalid covering sampling points, and further if the main service cells and other cells are interference cell pairs is judged according to the ratio of the invalid covering sampling points. The mobile communication system interference investigation method is used for investigating the interference cell pairs.

The invention is applicable to the technical field of communication, and provides a credit investigation method and device based on a block chain. The method includes the following steps: acquiring business data needed for credit investigation, wherein the business data is stored in a block chain mode; and using a preset model to analyze the business data to get an analysis result, and storing theanalysis result in a block chain mode. According to the invention, business data needed for credit investigation is acquired and analyzed using a preset model to get an analysis result, and the analysis result is stored in a block chain mode, so that the analysis result is reliable, and it is ensured that credit investigation data for logistics enterprises, drivers and other users is reliable.

The invention provides a credit card credit investigation method and system. The method comprises the steps of acquiring credit investigation data of customers to be examined and approved from a data communication system in a local bank and acquiring the credit investigation data of the customers to be examined and approved from an extranet; and a credit card credit investigation unit collects all the acquired credit investigation data, thus credit card examination personnel can conveniently consult the credit investigation data. The system is characterized in that a branch bank comprehensive data management platform and a credit card preliminary examination and approval system which are both connected with a credit card investigation unit in a communication manner, and a head office comprehensive data management platform and a characteristic service platform are both connected with the branch bank comprehensive data management platform in the communication manner; the characteristic service platform is connected with a unionpay server by virtue of a unionpay front-end processor, and the unionpay server is connected with an external system server; and the credit card credit investigation unit is connected with an external system in the communication manner by virtue of the Internet. By adopting the method and the system provided by the invention, the credit card credit investigation efficiency can be obviously improved.

The invention provides a method for inspecting a surface structure, which comprises the steps of: a, extracting first-motion wave real arrival time from seismic wave data acquired by a plurality of seismic channels along seismic survey lines and forming a real arrival time matrix; b, obtaining a velocity matrix or slowness matrix used for reflecting the surface structure according to the real arrival time matrix based on a chromatography inversion method; and c, establishing a model used for reflecting the relationship of the velocity and the depth of the surface structure or a model used forreflecting the relationship of the slowness and the depth of the surface structure based on the velocity matrix or slowness matrix used for reflecting the surface structure and obtained from the stepb. The method for obtaining the near surface structure, provided by the invention, has low cost, high speed and wide application range and is very effective.

The system includes a server and at least two terminal collection devices. Through Internet or GPRS device, the server transfers information including command of collecting images, discriminant function or weather forecast etc. to the terminal collection devices. Based on different commands received from the server, the terminal collection devices deliver different responses: transmitting image of TV program users watch for, sorts of TV programs users watch for, or information input from users to the server. Based on image information and information sorts of TV station sorts transferred back from terminal collection devices, the server calculates audience rating. Terminal collection devices collect signal from video output port of TV set. TV stations users watch for are realized through identifying station caption and carrying comparison of information of specific pixels picked from frames of TV images.

The invention discloses a tunnel risk evaluation method based on a fuzzy polymorphic Bayesian network. The invention provides an investigation method combining a confidence index, a weight index and aprobability interval based on expert judgment. According to the method, a tunnel risk accident tree is constructed according to an existing tunnel accident case, a basic event of a tunnel risk accident and the occurrence probability of each factor under the current technical level are obtained, and a polymorphic Bayesian network is constructed by the accident tree. The probability obtained by expert investigation and the probability obtained by case accidents are processed by a subjective and objective method to obtain a conditional probability, so that a polymorphic fuzzy Bayesian network conditional probability construction method and a tunnel risk probability calculation method are provided. According to the method, the subjectivity of risk factor identification can be reduced, the risk prediction accuracy is improved, informatization management and whole-process dynamic evaluation of underground engineering construction are realized, and the construction safety is ensured.

The invention discloses a forestry community point sample investigation method, which is, firstly, to select many sampling points in the investigated forestry community; secondly, to take 3-5 trees recent to each sampling point to be the reference trees, to take 4 trees recent to each reference tree to be the neighboring tree, and to carry on the investigation to the structural parameter of a structural unit formed by each reference tree and the periphery neighboring tree, wherein, the structural parameter includes the angle of the reference tree, the size ratio, the mingling degree, the species name of the tree, the DBH size, and the layered property and the tree species number of the structural unit and so on; finally, to use the additional angle to measure point, to carry on the angle gage to measure the stand basal area. The invention is characterized in that the investigation unit has nothing to do with the sampling ground size, the position coordinates of each tree are also does not need to be surveyed, the accuracy is high, the sample size and the information content is big, and the method is simple, easy to grasp and actually operate.

The invention relates to an accurate research method of landscape, namely, a surface layer research technology in the earthquake exploration, which overcomes the defect of other technology; a refraction micro-well method improves the construction method of the micro-well method, expanding to two groups of receiving of small well offset and large well offset from the original blasting in a well and small well offset receiving. An interface of a low-speed layer and a high-speed layer are obtained at a receiving point of the large well offset through the comparison of wave pattern and a time interval character so as to obtain the thickness information of the low-speed layer, and have precise speed explanation to the small well offset on the basis of the interface. Precise small refraction explanation is to explain directly by the matching proportion display of the small refraction and the actual distance. The initial picking precision is improved by far filter processing. Influence of the hypsography and nonuniform speed of the partial landscape is reduced by expanding subtraction calculation, improves the veracity of grouping and achieves the aim at improving the explanation precision.

The invention relates to a land-utilization modification investigation method and a system based on the combination of PDA and 3S. The comprehensive integration of GPS, GIS and RS is realized in a PDA environment; history land-utilization actuality data in GIS and remote sensing data acquired by RS are imported into PDA by utilizing the communication technology, and a modification delineation is obtained after segistration; modification delineation navigation, frontier surveying and area computation are carried out by utilizing GPS; then real-time editing is performed according to the delineation attribute obtained from the spot field investigation, to complete the update on the whole land-utilization actuality data; and the rapid update of system data in a land-utilization database in a GIS system is realized after office operation processing finally. The land-utilization modification investigation method and the system can rapidly and accurately complete field operation investigation in a high efficient manner, and overcome the disadvantages of low speed, long period, low accuracy, high cost and the like in a traditional land-utilization modification investigation method.

The invention relates to an intertidal zone habitat survey method based on unmanned aerial vehicle aerial photography. The method comprises the steps that an unmanned aerial vehicle low-altitude aircraft is adopted as a remote sensing platform, needs to carry a digital camera, and integrates a GPS and a gyroscope module; a tidal table of a surveyed intertidal zone region is inquired; executable time periods of unmanned aerial vehicle aerial photography are determined according to high and low tide levels and tide time of a spring tide period; flight numbers and air lines of the aerial photography and control points needing to be arranged are planned; arrangement of the control points, measurement and aerial flight photography are completed; aerial photography images are processed, exposure adjusting, image splicing and geometric correcting are involved in processing, and therefore a high-resolution image of the whole survey range can be formed; speckle extracting and spatial formation ecological parameter calculating are carried out on specific type of the intertidal zone habitat. The method overcomes the defect of an existing intertidal biology survey method or a traditional topographic survey method, obtains spatial framework information of the intertidal habitat, and provides the basis for evaluating the ecological function and the ecological value of the inter-tidal habitat.

The invention discloses a network investigation method and system, belonging to the field of internetworks. The method comprises the following steps of: selecting a user, as a target user, corresponding to an investigation target according to behavior logs of multiple users; prompting a web based survey generated in advance to the target user; and receiving a web based survey answer submitted by the target user. The invention also discloses a network investigation system. The system comprises a target user selection module, a web based survey prompting module and a web based survey receiving module. In the invention, the market investigation is carried out by sifting the target user suitable for the investigation target according to the behavior logs of the users through a network, therefore, a large amount of manpower and material resources are saved, and the efficiency of an investigation result is greatly improved.

The invention relates to a two-dimensional code investigation method. The two-dimensional code investigation method comprises the main steps that (1) the investigation content is compiled into a questionnaire; (2) an answering ID (Identification) is generated by the questionnaire; (3) two-dimensional codes are generated by the answering ID; (4) the two-dimensional codes are printed on a carrier; (5) a respondent scans the two-dimensional codes to participate in the investigation by virtue of a two-dimensional code scanning tool; and (6) information which is submitted after the respondent answers is recovered, cleaned and stored, and data processing and statistics are carried out on the basis of recovering the information. The invention also discloses a system for realizing the method. Due to the adoption of the method and the system, the conventional passive investigation of the respondent is changed into active participation type investigation, the investigation process breaks through the limitation of territory, time and equipment environment, and the investigation content has the advantages of abundance and the like.

The invention relates to an information investigation system and an investigation method. A system questionnaire investigation terminal (3) is communicated with a data acquisition server (2), the data acquisition server is communicated with a database sever (1), and a user inquiry terminal (4) is communicated with the database server and the data acquisition server respectively. The system questionnaire investigation terminal utilizes an embedded intelligent device. The system is in SOCKET communication with the questionnaire investigation terminal by utilizing the TCP / IP protocol as a bottom communication protocol and utilizes a LAN port as a physical communication interface. In case of questionnaires, a client only needs to respond a questionnaire sent from the data acquisition server on the questionnaire investigation terminal, then answer information can be immediately uploaded to the data acquisition server and the database server in the background for use of analysis, and the questionnaire investigation is automatically finished. The invention can update questions in the questionnaire in real time, the investigated target user is accurate, the investigation data is real and reliable, the investigation data can be fed back in real time, the invention can carry out continuous investigation of large sample quantity, and the investigation efficiency is high along with low cost.

The present invention relates to an inspection device and inspection method of a specimen, particularly to the inspection device and inspection method of defects of semiconductor wafers, and the object is to cope with the increase of inspection images and provide an inspection device and inspection method which is capable of classification by sub class, meeting the user needs, in addition to the automatic classification by an inspection device.To achieve the afore-mentioned object, the present invention provides an inspection device, comprising a storage means for storing the images obtained and a display means equipped with the first display area for displaying multiple images stored in the storage means and the second display area for displaying the images which are classified according to the characteristics of the displayed images (called the classified images), wherein the display means displays the class of the specimen, displays the sub class which is set manually for each class, and also displays the images selected by the sub class as a mass of the classified images for each sub class.

The present application discloses an optical cable general investigation device for detecting a knocking position. The optical cable general investigation device comprises a laser device, an optical splitter, an optical interference module, an optical scattering signal acquisition module, an optical interference signal acquisition module and a data analysis module, wherein the laser device is coupled with the optical splitter; the optical splitter is respectively coupled with the optical interference module, a test port and the optical interference signal acquisition module; the optical interference module is respectively coupled with the optical splitter and the test port; the test port is respectively coupled with the optical splitter, the optical interference module and the optical scattering signal acquisition module; the optical scattering signal acquisition module is respectively coupled with the test port and the data analysis module; the optical interference signal acquisition module is respectively coupled with the optical splitter and the data analysis module; and the data analysis module is respectively coupled with the optical scattering signal acquisition module and the optical interference signal acquisition module. The optical cable general investigation device can be widely applied in the fields of cut-over, splicing, resource checking and the like.

The invention discloses a multi-channel investigation method and is applied to a multi-channel investigation system. The system comprises a background server and at least two investigation terminals connected with the background server. The multi-channel investigation method comprises the following steps: the background server configuring an investigation theme and problem content to generate an investigation questionnaire; the background server, according to a preset rule, pushing the investigation questionnaire to the corresponding investigation terminal; the investigation terminals feeding an investigation result to the background server; the background server acquiring and identifying the investigation result; and the background server generating a statistical list. According to the invention, integration of multi-channel investigation modes is realized, the background server pushes the investigation questionnaire to the corresponding investigation terminals according to the preset rule, and a client can select a proper investigation terminal according to his own condition, such that the investigation efficiency is improved, the investigation cost is decreased, and client experience is improved. The invention further discloses a multi-channel investigation system.

The invention relates to an investigation method for crop breeding field characters. The method includes the steps: S1, establishing a test recording book template, entering a test recording book establishing module to establish basic information in a test recording book, and storing the basic information in a database; S2, making a field bar code or an electronic tag containing crop field position information, and hanging the field bar code or the electronic tag on a crop stem or inserting the field bar code or the electronic tag into a field to facilitate recognition when in field investigation; S3, establishing a character acquisition module containing various crop character parameters, and storing the crop character parameters in the database; S4, acquiring and inquiring field character data by recording the basic information of the test recording book and the crop character parameters through an acquisition terminal device held by a breeding investigator; and S5, uploading the data. By the aid of the method, data acquisition and transmission efficiency is greatly improved, the link of manual entry is omitted, mistakes and the like caused by secondary data reduction are avoided, and the labor intensity of a breeder is reduced.