111results about How to "Accurate investigation" patented technology

The invention discloses a client buried point test method and device, equipment and a storage medium, and the method comprises the steps: obtaining the equipment information of terminal equipment where a client is located, and obtaining and executing a target test script according to the equipment information; calling a preset buried point to acquire data information generated in a script execution process to obtain a buried point log; receiving corresponding effective burying point information generated by the server according to the burying point log; extracting an effective buried point identifier from the effective buried point information; comparing the effective buried point identifier with a preset buried point identifier; judging whether a failure buried point exists or not according to a comparison result. Buried points are automatically triggered through scripts to carry out data acquisition, and then the acquired data is sent to a server, the effective buried point identifier fed back by the server is compared with a preset buried point identifier so as to determine whether the preset buried point is invalid or not according to a comparison result; compared with an existing buried point testing mode, the buried point testing method has the advantages that the testing process is simple, the failed buried point can be accurately checked, and the testing efficiency is high.

Provided are an apparatus and method for imaging a subsurface using frequency-domain reverse-time migration in elastic medium. The subsurface imaging method represents a frequency-domain imaging condition as convolution of measured data and a partial derivative wavefield. That is, the subsurface imaging method applies a back-propagation algorithm to represent an imaging condition as convolution of a virtual source and a back-propagated wavefield. Then, the subsurface imaging method divides a virtual source vector and the back-propagated wavefield represented by a displacement vector into P- and S-wave potentials through Helmholtz decomposition, thereby providing a new imaging condition.

The invention relates to a device and a method for detecting legality of a taxi by integrating video recognition and radio frequency recognition, which belongs to the technical field of the intelligent recognition and monitoring of the taxi. The device comprises an information collection front end and a local main controller and is matched with the inquiry of a database of a remote central server to realize the detection of legality of the taxi. The information collection front end comprises a camera and a radio frequency card reader. The local main controller comprises a control module, a communication module and a radio frequency recognition module, wherein the control module is used for coordinating each input and guaranteeing the inter-module coordination, the communication module is used for exchanging information with the information collection front end and the remote central server, and the video recognition module is used for recognizing the information such as a license plate and roof lights of the taxi. One local main controller and a plurality of information collection front ends are installed on one monitoring point and used for monitoring different lanes. By integrating the video recognition and the radio frequency recognition to verify the identity of the taxi, the legality of the taxi can be efficiently detected, the illegal taxi can be cracked down, the urban traffic order can be maintained, and the travel safety of citizens can be guaranteed.

The invention relates to a pavement distress investigating and data treating method which is based on global positioning satellite (GPS) technology or utilizes reference substances along a road for positioning. The method comprises the steps: based on the determination of an investigated road section, electronic satellite map programs are firstly operated on a networking computer to find out the coordinates of a staring point, a route turning point and a terminal point of the investigated road section, or information on reference substances (such as villages, gas stations, crossings, bridges and the like) at both sides of the road are obtained on a detailed road traffic map; and then information on the length of the road section is calculated and the investigated road section is sectionalized; information about the investigation of the road section is led into a handheld computer which is then used for recording information on the positions of pavement distress with different marks respectively according to the distress profile field and also conducting distress investigation and statistics; and distress data counted by the handheld computer are opened on the computer, pavement distress within preset distance of each certain length is respectively counted and calculated and then datasheet and charts obtained from analysis are stored in the computer.

The invention discloses a full-process three-dimensional dynamic safety management method of a building enterprise. According to the method, a bidirectional closed-loop operation mode is utilized. Through performing classification and identification processing on engineering projects which enter a safety risk evaluation database, an engineering project safety evaluation report is generated. An engineering project three-dimensional dynamic safety hazard monitoring model is established in a second-level enterprise layer and potential hazard early-warning information is issued. Real-time monitoring for sensor and video, and artificial regular checking and modification are performed at a project part. A safety accident is handled immediately. The three-dimensional dynamic safety hazard monitoring model is instantly updated. After the engineering project is finished, updating learning is performed on a safety risk evaluation database. According to the full-process three-dimensional dynamic safety management method, learning and reutilization are performed on safety management historical data of the building enterprise. Advanced forecasting, early warning and prevention are performed on the potential safety hazard. The safety event is reasonably handled immediately after occurrence. Safety of persons, fund and property in the engineering project of the building enterprise can be effectively ensured. Furthermore loss is reduced.

In a method for detecting objects, at least one sensor emits a transmitting pulse as a wave, particularly as an acoustic or an electromagnetic wave, which wave is reflected at least partially by objects in the propagation space, and the reflected wave being detected by at least one receiver as a received signal. The received signal of the reflected wave is divided up into segments, and from the individual segments, data are gathered that are drawn upon for the determination of an object hypothesis.

The present invention relates to the technical field of soil test and discloses a robot for testing soil hardness. The robot comprises: a walking unit for realizing autonomous movement and obstacle crossing; a detection unit installed on the walking unit for detecting the soil hardness; and a central control unit installed on the walking unit and electrically connected with the walking unit and the detection unit. The invention is mainly used for accurate survey of soil data and can reach unreachable farmland environment with poor conditions, narrow space and shrub crop.

The invention provides a point switch notch detection method based on CNN and image processing, and belongs to the technical field of detection. The method comprises the following steps: acquiring a switch machine gap image of a train passing through a turnout and a switch machine driving turnout conversion process; establishingd and training a convolutional neural network CNN ; inputting the acquired notch images into a trained CNN network for notch image recognition and classification, and outputting categories of the notch images, the categories of the images including six categories: positioning and reverse notch images of ZD6, S700k and ZYJ7 point switches; according to the category of the notch image, processing the notch image through an image processing algorithm, extracting notchfeature straight lines l_1 and l_2, wherein the image processing algorithm comprises image graying, focus area segmentation, image enhancement, image binarization and image notch feature straight linefitting; and calculating a notch value w according to a linear equation of the notch characteristic straight line. Notch detection systems of various types of point switches can be integrated into one system, and the universality and transportability of the system are improved.

Apparatus is disclosed for testing the mechanical properties of a material. The apparatus comprises a sample container (10) adapted to be filled with a sample of the material, and a housing (20) within which the sample container (10) is, in use, fixedly mounted. The sample container (10) has a first, open face via which a compressive load can be applied to the sample and a second face (19) disposed orthogonally to the first, open face. At least a portion of the second face (19) is resiliently displaceable, outwardly of the sample container (10), in response to deformation of the sample brought about by application of the load.

The invention discloses a passive protective net which is high in flexibility and interception strength, is convenient to install and has a warning function and an installation method of the passive protective net. The passive protective net comprises a steel wire rope net, steel columns used for fixing the steel wire rope net, an upper support rope, a lower support rope, a pulling-up anchor rope and a warning assembly. The bottoms of the steel columns are fixedly installed on a base through connection screw rods. The steel wire rope net and the steel columns are fixedly connected together through the upper support rope and the lower support rope. The top ends of the steel columns are pulled tightly and fixed through the pulling-up anchor rope. The warning assembly comprises tension sensors, control devices, warning lights and buzzers. The tension sensors are arranged on the steel wire rope net or the upper support rope or the pulling-up anchor rope. The control devices, the warning lights and the buzzers are arranged at the top ends of the steel columns. The passive protective net is high in flexibility and interception strength, and a modularized installation mode is adopted, so that the construction period is shortened, and the construction cost is reduced. Workers can find risks conveniently in time through the warning assembly so that the protective net can be checked and maintained accurately in time, and the safety protection performance of the protective net is improved.

Disclosed is an auto examination system for intervertebral discs which injects a contrast material into a human intervertebral disc at a regular velocity through a needle and then measures internal pressure of the intervertebral disc from the outside, and uses data, obtained by synchronizing the measured pressure data and a captured image of the intervertebral disc, as diagnosis data, so as to more accurately identify a pain region of intervertebral discs of a patient based on a variation in the internal pressure of the intervertebral disc.

A method of investigating and dealing with a motor-vehicle illegal clone license plate and fake license plate activity is disclosed. The method is characterized in that an internal traffic police vehicle management system platform reserves a vehicle safety detection password; a law enforcement traffic police takes a remote control terminal so as to communicate with the vehicle management system platform; an inspected vehicle area code and a license plate number are input into the hand-held remote control terminal; the area code and the license plate number are compared with register information; a inspected vehicle safety detection password is input; the input password is automatically compared with the reserved password so as to determine whether it is the clone license plate or the fake license plate. The method of the invention is high-efficient, rapid and accurate. A scientific and technological content is high and a technology is advanced. The method is an effective method of attacking the motor-vehicle illegal clone license plate and fake license plate activity.

The invention relates to the technical field of public safety, in particular to a perception data analysis method and device for determining suspects. The method comprises the steps of carrying out the comprehensive study and judgment on the perception data collected by all perception devices around a criminal site, and determining an action track of the suspect after criminal; according to the action track of the suspect, matching a plurality of sensing devices along the way, and calculating the space-time range condition of case study and judgment; based on the space-time range condition andthe plurality of sensing devices, framing a plurality of space-time studying and judging areas along an action track, and performing node setting on each area; determining the perception data information of the suspect by performing the cross collision comparison on the perception data in each space-time study and judgment area, and then determining the identities of the suspects. By constructingthe plurality of space-time studying and judging areas and carrying out the cross collision on the perception data of the areas, the perception data information and the identities of suspects can bequickly obtained, so that the case studying and judging efficiency and accuracy are improved.

The invention discloses a body temperature detection method and device and a thermal infrared image processor. The method comprises the steps of detecting the body surface temperature of a preset partof a target object; determining the body temperature of the target object according to the detected body surface temperature; determining whether the body temperature of the target object is abnormalor not according to the body temperature of the target object and a temperature threshold value, wherein the temperature threshold value is determined through the following operations that a body temperature information set, detected within a previous preset time range, of a historical detection object is obtained; and the temperature threshold is determined according to the body temperature information in the body temperature information set. And the temperature threshold value can be dynamically updated and adjusted continuously according to the change of the environment temperature. In this way, in the process of determining whether the body temperature of the target object is abnormal or not according to the temperature threshold value, individuals who have the body surface temperature lower than the conventional fever temperature but are actually in the fever state can be timely and accurately checked out, and the possibility of large-range infection is greatly reduced.

The invention provides a sampling circuit accurate in measurement of an automotive fuel gauge and a fault diagnosis method thereof. The fault diagnosis method can improve the troubleshooting efficiency of the automotive fuel gauge and reduce the maintenance cost. The sampling circuit of the automotive fuel gauge comprises a power supply, a voltage dividing resistor, a variable resistor, a balancing resistor and a controller provided with an A/D converting unit, wherein the power supply is connected with the first end of the balancing resistor through the voltage dividing resistor, the first end of the balancing resistor serves as a first sampling point, and the second end of the balancing resistor is suspended and serves as a second sampling point. The sliding piece end of the balancing resistor is connected with the reference ground end of the power supply through the balancing resistor. The controller is connected with the first sampling point and the second sampling point respectively so as to obtain sampling voltages of the first sampling point and the second sampling point, judges whether the first sampling voltage V1 and the second sampling voltage V2 are in a predetermined normal range or not and determines that the sampling circuit breaks down if the first sampling voltage V1 and the second sampling voltage V2 exceed the predetermined normal range.

A purchase information utilization system in accordance with the present invention is equipped with: a reception unit that receives, from a terminal device of a consumer that purchased merchandise, identification information whereby the merchandise can be identified and purchase information, including proof information for confirming the purchase of merchandise; a purchase information storage unit for storing the purchase information received by the reception unit; and a determination unit that determines whether or not the consumer has purchased the merchandise using the proof information included in the purchase information received by the reception unit.

The invention relates to security detection, and discloses a code vulnerability checking method and device, equipment and a storage medium, and the method comprises the steps: receiving a vulnerability checking instruction, extracting a request identifier contained in the instruction, and searching a corresponding log storage path in a mapping relation; Obtaining a target log file according to thelog storage path and reading in and out parameter data; Obtaining standard parameter data corresponding to the input parameter data; comparing the target output parameter data contained in the inputand output parameter data with the standard output parameter data; obtaining a comparison result;, According to the method, the log file during code calling and the input and output parameter data stored in the log file are obtained according to the request identifier carried in the instruction; and the target output parameter data contained in the input and output parameter data is compared withthe standard output parameter data, so that whether the code vulnerability exists in the code calling process or not can be accurately judged according to the comparison result, accurate troubleshooting of the code vulnerability is realized, and the vulnerability troubleshooting efficiency is improved.

The invention belongs to the technical field of environmental monitoring, and discloses a comprehensive environmental quality mobile monitoring system, which comprises a mobile monitoring vehicle andan industrial personal computer integrated in a vehicle body of the mobile monitoring vehicle; and a particulate laser radar and an atmospheric ozone laser radar are also arranged in the mobile monitoring vehicle. According to the technical scheme of the invention, the mobile monitoring system is used for carrying out monitoring while moving through the mobile monitoring vehicle, online data is monitored and analyzed in real time, and geographic position-species-concentration relevance and other means are established, a regional atmospheric environment pollution dynamic direct reading mode iscreated, and important contributions are provided for realizing fine management of atmospheric environment pollution; an ambient air pollution pre-tracing system is combined, early warning and sourcetracing of atmospheric environmental pollution can be achieved, government' control of VOCs enterprise emission' becomes possible, and compared with fixed point monitoring, the mobile monitoring system is more comprehensive in monitoring effect, accurate investigation, accurate strike and accurate treatment of regional environmental pollution can be achieved, the environmental treatment efficiencyis greatly improved, and the social cost is saved.

The invention provides a user close contact tracking system based on a wireless radio frequency technology. The user close contact tracking system comprises a cloud server, a plurality of mobile terminals and acquisition equipment, wherein the acquisition equipment acquires the distance between the acquisition equipment and the surrounding acquisition equipment by using a wireless radio frequencysignal, and sends the acquired distance, the acquisition time and the acquisition equipment ID of the acquired party to the mobile terminals; the mobile terminals send the data uploaded by the acquisition equipment to the cloud server; the cloud server acquires an acquisition equipment ID of an acquisition party corresponding to the uploading mobile terminal, associates the data uploaded by the acquisition equipment with the acquisition equipment ID of the acquisition party and then stores the data; and when a tracking/query/retrieval instruction containing the tracking time and the to-be-tracked acquisition equipment ID is received, the system acquires all the acquisition equipment IDs of which the distances to the to-be-tracked acquisition equipment ID are less than a preset value withinthe tracking time, and defines the acquisition equipment IDs as close contacts. The system improves the accuracy of close contact tracking of the user and has a good tracking effect.

The invention relates to a crowd close contact investigating method based on positioning data. The crowd close contact investigating method is technically characterized by comprising the steps of positioning data filtering, positioning data interpolation, seed user selection, data weight assignment, spatial-temporal feature filtering, data weight accumulation, self-defined automatic investigating,classification threshold calculation and investigating result output processing. The design is reasonable, real-time position monitoring and recording can be carried out on the user in a place covered by a positioning network, and crowd intensive management and control in the place are realized through the processing platform; meanwhile, historical position backtracking can be performed on specified individuals, so that groups in close contact with the specified individuals are accurately checked, the checking speed and the operation efficiency are improved, and the method is particularly suitable for analysis and filtering of large-scale and super-large-scale data sets.

The invention discloses a plane space positioning system and method for a radio signal interference source. The method comprises the following steps: at least three paths of radio signals of the radiosignal interference source can be collected from at least three signal receiving antennas via a USRP device, Labview platform software is used for storing the three paths of radio signals in a cacheregion of a computer in a form of IQ modulated data, the three paths of IQ modulated data are read from the cache region so as to form radio signals collected via two groups of signal receiving antennas, an MUSIC algorithm is used for processing radio signals collected via the two groups of signal receiving antennas so as to calculate angles formed by the two groups of signal receiving antennas and the radio signal interference source, two rays are drawn respectively at the calculated angles from a middle point of a line between the two groups of signal receiving antennas, and an intersectionpoint obtained via intersection of the two rays is used as a measured and determined position for the radio signal interface interference source. Via implementation of the plane space positioning system and method, a specific position of the radio signal interference source can be accurately determined.