1480results about How to "Comprehensive detection" patented technology

This invention discloses a kind of fast looped network protection method. It concludes: the fast looped network protection area is set up. Nodes are connected with each other through ports to form a loop. Each node is consisted with two ports that are connected with loop; master node sets the first port to retransmission mode and sets the second port to blocking mode; the link trouble is acquired through accessing control table, retransmission table entry or virtual local area network. The said virtual local area network retransmits data messages and protocol messages; when acquiring the link trouble, master node sets the second node to retransmission mode. The retransmission tables of master node and other nodes are refreshed. A special control VLAN aiming at protocol message does not need. Thus, it can save VLAN ID resource of each node.

The present invention discloses a XSS detection method for detecting the XSS vulnerabilities in a web page, comprising for each parameter-value pair in a set of parameter-value pairs that can be accepted by the web page: constructing a parameter-value pair in which a dedicated script is inserted; assembling a URL corresponding to the web page based on the parameter-value pair in which a dedicated script is inserted; acquiring the dynamic web page content corresponding to the assembled URL; and simulating the execution of the acquired dynamic web page content, if the dedicated script is executed, it is determined that the processing of the parameter in the web page contains XSS vulnerabilities. The present invention further discloses a corresponding XSS detection device and a web site security scanning system and a web scanning system using such a device.

The invention discloses a method and a system for detecting a hostile attack on an Internet information system. The method comprises the following steps: A, regularly crawling and saving the content of an Internet web page; B, conducting a Trojan detection analysis, a sensitive word detection analysis, a sensitive image detection analysis, a directory change detection analysis, a host information audit detection analysis, a broken link / wrong link detection analysis, a page change detection analysis and / or log collection detection analysis to the crawled content of the Internet web page according to a predefined rule; and C, according to the results of the detection analyses, generating corresponding detection reports, and outputting and displaying the detection reports. The method for detecting the hostile attack on the Internet information system has the advantages that the detection is comprehensive, the defection safety is increased, the workload is reduced, the human cost is reduced, and the method provides convenience for users.

The invention discloses a privacy leaking detecting method and system for android application network communication. The method comprises the following steps: crawling android application to be detected, and building an application set to be detected; building a main-in-the-middle attack server; initializing each tester environment; arranging a multi-tester distributive running scheduling system; analyzing APK files of the application to be detected; installing the application program corresponding to the APK file, and driving the application program to run; analyzing a log file created by the Burp Suite, and acquiring the application set with SSL man-in-the-middle attack; analyzing a network data pack file created in the running process of the collected application program; recognizing the privacy leaking type of the network data pack file according to the application set with the SSL man-in-the-middle attack. The method is flexible to use, and automatic in the whole process; the android system and the android application program structure are not modified; the privacy leaking behavior of the android application in the network communication process can be safely and accurately detected.

The present invention provides an eddy-current inspector including ultrasonic flaw detector, eddy current detector and computer, whose structure comprises of feeding rack, feeding orbit, pressing wheel mechanism, testing mainframe, blanking orbit and blanking rack, feeding orbit, pressing wheel mechanism, testing mainframe, pressing wheel mechanism and blanking orbit are connected in turn, feeding rack and blanking rack are set on one side of feeding orbit and blanking orbit respectively. The eddy-current inspector of present invention has merits of reasonable design and simply operation, and saves a great deal manpower and material resources, so it has a well widely use value.

The invention discloses a car monitoring and diagnosing system comprising a monitoring and diagnosing system and a monitoring and diagnosing car. The car monitoring and diagnosing system is characterized in that the monitoring and diagnosing system is used for carrying out data collection and compression to the data information of car performance monitored and diagnosed by each sensor mounted on the car through a CAN (Controller Area Network) bus or a KWP (Key Word Protocol) bus via an information unit and then wirelessly transmitting the collected data to a monitoring server in a main monitoring center through a wireless network base station via a GPRS (General Packet Radio Service) system; the monitoring server in the main monitoring center is used for carrying out data decryption, treatment and storage after receiving the data; and each sub-monitoring station can also be used for receiving the data sent back by the information unit through the internet via the server in the main monitoring center. The system can be used for monitoring and diagnosing the performance and the running state of the car in real-time and timely giving out a judgment and a choice and can realize location tracking, remote monitoring and remote calibration of the car. The system has the characteristics of good practicality, full and rapid detection and low cost.

The system comprises clinic end, expert end, dispatch end, which are connected to each other through LAN / Internet. The clinic end as a server end issues clinic application and relevant information of patient through Web Server. Dispatch end and expert end as client ends make interactive operation with server end by through auxiliary devices such as browser, intelligent reproducer of pulse type, pick-up head and microphone. The invention provides remarkable effect: (1) realizing remote consultation of herbalist doctor raises work efficiency of experts, making more patients obtain chance of consultation of herbalist doctor; (2) low implementation cost, easy of popularization; (3) computer added medical prescription system raises efficiency for writing medical prescription; (4) consultation knowledge base and medicinal materials base make expert's experience possible to be spreaded and applied so much the better.

The invention relates to an analysis method and a system of metagenome data. According to the invention, a preliminary species identification result of a sample is obtained on the basis of a k-Mer algorithm, a part or all of supporting sequences are extracted on the basis of the preliminary species identification result, and the preliminary species identification result is verified by using a blast algorithm to judge whether the preliminary species identification result is a reported detected species or not. The method and system disclosed by the invention can lower false positivity, quickly and accurately obtain the reported detected species of the sample in a short time, and are compatible with various mainstream sequencing platforms, thereby being suitable for second-generation sequencing technologies and third sequencing technologies; the method and system of the invention can also accurately identify drug-resistant genes and drug-resistant mutation sites of the sample and map thedrug-resistant genes and the drug-resistant mutation sites of the sample to the reported detected species. Furthermore, the system disclosed by the invention can be used for identifying pathogenic microorganisms, especially endocarditis pathogens to overcome the defect that the endocarditis pathogens are difficultly cultured.

The invention discloses a phased-array ultrasonic detection method for interfacial de-bonding of a composite material. The method comprises the following steps: (1) sequentially triggering each wafer of a phased-array probe to generate ultrasonic signals, superposing the ultrasonic signals, propagating the ultrasonic signals inside the composite material, and reflecting the ultrasonic signals during the interface de-bonding or interfacial de-bonding of the composite material; (2) superposing the reflected ultrasonic signals, receiving the ultrasonic signals by using the phased-array probe, performing data processing, and then outputting a phased-array scanning image through a phased-array display instrument; (3) comparing an ultrasonic detection image during the good interfacial bonding of the composite material with an ultrasonic detection image during the interfacial de-bonding of the composite material to judge whether the composite material has a de-bonding defect. The method has the advantages of high detection accuracy, simple operation process and the like.

The invention belongs to the technical field of railway rolling stock manufacture, and provides a comprehensive detection train for a freight heavy haul railway. The comprehensive detection train comprises three train bodies and a detecting system, wherein the train bodies are a first train body (1), a second train body (2) and a third train body (3); a coupler buffering device (5) is arranged between every two connected ends of the train bodies; a check damper (6) is arranged between any two adjacent train bodies; two diesel oil generator sets (8) are mounted on the first train body (1); the detecting system (4) comprises a steel rail flaw detecting system, a wireless field intensity detecting system, a road bed-track bed detecting system, a tunnel clearance detecting system, a rail detecting system, a comprehensive detecting system, a track inspection system, a contact net detecting system, an infrared axle temperature detecting system and a signal detecting system which are mounted on the three train bodies respectively. Through the adoption of the comprehensive detection train, the track and facilities of the heavy haul railway can be detected quickly, fully, accurately and comprehensively.

The invention relates to a levee hidden trouble integrated non-destructive testing method. Geological radar is adopted to carry out general survey to the levee to find out whether an abnormal levee section exists according to the characteristics of high resolution, high detecting speed, no damage to an object to be tested and high anti-interference capability of the geological radar. At the abnormal levee section, detailed survey is carried out by integrating the characteristics of rich exploration information, convenient interpretation and strong exploring capability of a high intensity resistivity method and the characteristic of a seismic method that the sandy clay physical mechanics characteristics which are relevant to the shearing strength and the compressive strength of the levee sandy clay such as levee crack, collapse and sinkage, etc. can be reflected, and the property and scope of the abnormal section of the levee are determined. The method of the invention overcomes the limitation exists in a single physical geography non-destructive detecting method when levee detecting is carried out, thus roundly and accurately grasping the abnormal information of the levee and realizing the integrated detecting of the levee hidden troubles.

The invention provides a part detecting method. The part detecting method comprises the step of obtaining an image of one part, the step of obtaining a shape model of the part, the step of determining the shape of the part according to the obtained image and the shape model and the step of comparing the determined shape with a prestored electronic drawing of the part to determine whether the part is matched with the electronic drawing or not. By means of the part detecting method, each part can be detected on line and in real time one by one so that each part can meet the requirement of the electronic drawing, labor cost is reduced, working efficiency is improved, the defect ratio of the parts is reduced, and the part detecting method plays a significant role in modern assembly line production.

The invention relates to a brushless direct current motor power inverter power-on self-test device and a self-test method. The brushless direct current motor power inverter power-on self-test device comprises three bridge arms consisting of six power tubes V1, V2, V3, V4, V5 and V6 and is characterized in that a resistor R1 is in parallel connection with the power tube V1 and then is grounded through a serial connection circuit of an R4 and an R7, a resistor R2 is in parallel connection with the power tube V3 and then is grounded through a serial connection circuit of an R5 and an R8, and a resistor R3 is in parallel connection with the power tube V5 and then is grounded through a serial connection circuit of an R6 and an R9. By means of the self-test device and the self-test method, state information of an inverter can be obtained before a motor operates. The faults of the power inverter of a brushless direct current motor are mainly classified into open-circuit faults and short-circuit faults of the power tubes, and power-on self testing is conducted on the inverter by adopting the self-test method and combining a fault detection circuit and control software.

The invention relates to a surface plasma resonance sensor chip and a preparation method thereof, in particular to a photografting molecularly imprinted polymer membrane-based surface plasma resonance sensor chip and a preparation method thereof, and belongs to the field of surface plasma sensor chip preparation. The chip comprises a glass substrate, a gold membrane layer, a unimolecular alkyl chain layer and a molecular imprinted polymer membrane, wherein the gold membrane layer is plated on the glass substrate, the unimolecular alkyl chain layer is self-assembled on the glass substrate, and the molecular imprinted polymer membrane is grafted on the unimolecular alkyl chain layer in turn. The molecular imprinted membrane with nanoscale thickness can be conveniently and quickly prepared on the surface of the gold membrane by the preparation method and has controllable thickness; the growth changes of the molecular imprinted membrane can be dynamically monitored in real time in situ; operation steps are simple and deoxidation and nitrogen protection are not needed; and the matrix type molecular imprinted structural units are easy to prepare on the surface of the gold membrane, each unit can be different template molecules and multi-channel and multi-target molecular detection is realized.

The invention discloses a privacy disclosure monitoring method of an android application file. The privacy disclosure monitoring method includes: 1, converting a Dalvik byte code file in the android application file to generate a Jimple-format file; 2, parsing the Jimple-format file to generate control flow of a program, and performing privacy disclosure detection in components; 3, detecting Intent in the android file, and performing privacy disclosure detection among the components; 4, embedding a strategy implementation code module together with privacy disclosure detection results into the application program; 5, installing and running embedded application, and dynamically monitoring the application. By the privacy disclosure monitoring method, accuracy of user's privacy disclosure detection is improved, security defense of a system is enhanced, and risk of user's privacy disclosure is reduced to certain extend; the privacy disclosure monitoring method can be used for detection and protection of the android application file.

The invention discloses an urban road network motor vehicle exhaust real-time remote sensing monitoring base address selecting method is composed of a preparation work layer, an addressing algorithm layer and a scheme decision-making layer. After a monitoring region is determined and relative information is collected, modeling is carried out according to the characteristics of roads, then inherent similarities of an urban road network are searched and classified based on the model, a representative road is selected in each kind, equipment selection is carried out according to road environments, and each scheme is operated individually. Next, each classifying result is assessed, and an optimal scheme is selected. The method is simple in principle and easy to carry out, the calculation amount is modest, and a good effect is obtained.

The invention provides an apparatus for detecting faults of loudspeakers. The apparatus has the advantages that an impedance detecting circuit built by the aid of the impedance characteristic of loudspeakers, the impedance detecting circuit, a filter circuit and a fault judging and control device can conveniently implement an online fault detecting function of loudspeakers. The apparatus is independent of an audio driver and does not affect function implementation of loudspeakers. Compared with the JACK connector detecting method, the apparatus and the system do not relay on certain connectors and are capable of detecting whether audio cables are connected, open-circuited, open-circuited in voice coil and short-circuited or not in real time. The apparatus and the system are low in cost, simple in implementation and complete in detection.

The invention discloses a web business abnormality detection method. The web business abnormality detection method comprises the following steps: extracting a plurality of feature values of an access behavior in an HTTP log, and generating a feature vector; calculating an abnormal index of the feature vector according to a pre-established abnormality detection algorithm model; determining whether the abnormal index goes beyond a preset threshold value range; and if the abnormal index goes beyond the preset threshold value range, determining the access behavior corresponding to the feature vector to be abnormal. According to the method, by extracting and analyzing the feature value of an access record in the HTTP log, the abnormal behavior can be detected without a rule base, so that the detection capacity for an unknown type of abnormal behavior can be effectively improved. The invention also discloses a web business abnormality detection apparatus which has the same beneficial effects.

The invention discloses an obstacle avoidance method and system for an unmanned aerial vehicle. The method comprises the following steps: after a front barrier is detected by virtue of a millimeter wave radar, photographing a video image of the barrier by virtue of a front-facing camera of the unmanned aerial vehicle; analyzing the type of the barrier according to the video image of the barrier, and comprehensively analyzing the shape of the barrier and the distance from the barrier to the unmanned aerial vehicle according to the video image of the barrier and a detection result of the millimeter wave radar; drawing a raster map according to the shape of the barrier and the distance from the barrier to the unmanned aerial vehicle, planning a flight path on the raster map by virtue of an A-Star algorithm, and adjusting the flight path according to a safe radius; and enabling the unmanned aerial vehicle to fly according to the flight path, and avoiding or traversing the barrier. The obstacle avoidance method has the beneficial effects that the shape and type of the barrier and the distance from the barrier to the unmanned aerial vehicle are acquired by virtue of the front-facing camera and the millimeter wave radar, so that the detection of the barrier is relatively accurate and comprehensive, the obstacle avoidance accuracy of the unmanned aerial vehicle is high, the automatic obstacle avoidance of the unmanned aerial vehicle can be realized, and the intelligent obstacle avoidance level is high.

The invention discloses an echo simulation device for a Doppler radar. The echo simulation device comprises an antenna coupler, a switch attenuation component or a route-combination attenuation component, a frequency conversion unit, a modulation unit and an echo acquirer, wherein the antenna coupler can be used for directly receiving a signal transmitted by an antenna of the Doppler radar; the switch attenuation component or the route-combination attenuation component is arranged between the antenna coupler and the frequency conversion unit; a down-conversion output end of the frequency conversion unit outputs an intermediate-frequency signal; and the intermediate-frequency signal is output to an up-conversion input end of the frequency conversion unit through the modulation unit and theecho acquirer sequentially. The echo simulation device can be used for comprehensively detecting the Doppler radar, so that the research and development cost of the Doppler radar can be effectively reduced.

The invention discloses an analysis method for detecting microorganisms by using a metagenome or a metatranscriptome. The analysis method comprises the following steps: performing data quality controlon sequencing off-line data, and performing filtering to obtain high-quality data; performing assembly and double-end splicing (single end is not spliced) in a parallel manner, comparing the data obtained by assembly and splicing to a microorganism reference database based on a bwa algorithm, and identifying microorganism species and abundance information thereof in a sample; filtering low-quality results and then integrating analysis results. The method is wide in application range, various types of microorganisms can be detected, and the method is compatible with various mainstream sequencing platforms, and gives consideration to the characteristics of single-ended and double-ended sequencing data and long-read and short-read sequence data; and microorganism species and abundance thereof in a sample from various types of sequencing data can be accurately detected. The method provided by the invention can effectively reduce false positive, overcome the difficulty that most microorganisms cannot be cultured, and accurately, quickly and comprehensively detect microorganisms in various types of samples.

The invention relates to an intelligent and quick fault diagnosis instrument for a bearing and a diagnosis method thereof. The fault diagnosis instrument comprises a data acquisition device and a data processing device which are connected with each other. The data acquisition device comprises a vibration sensor. The data acquisition device acquires a vibration analog signal of a processed bearing based on the vibration sensor. The data processing device acquires the vibration analog signal through a plurality of preset frequencies and obtains a plurality of sets of vibration time domain signals, and then the data processing device performs a series of processing analysis on each vibration time domain signal for finally determining a fault part. The intelligent and quick fault diagnosis instrument and the diagnosis method thereof can generate a clear fault description which comprises a bearing fault development period, a bearing damage part and bearing damage degree. The intelligent and quick fault diagnosis instrument and the diagnosis method further have advantages of high intelligence degree, and low dependence for a professional skill and experience of an operator.

A pipeline data collecting and storing detecting device of the technical field of pipeline detection includes a detecting device, a data collecting and storing device, an active connecting device and supporting wheels. The detecting device includes a detecting device housing, a plurality of detecting holes arranged on the side walls of the detecting device housing, a plurality of ultrasonic probes arranged inside of the detecting device housing and the head parts of the ultrasonic probes penetrate the detecting holes correspondingly; and a plurality of supporting wheels arranged on the detecting device housing. The data collecting and storing device includes a collecting device housing, a collecting sealing cabin arranged inside the collecting device housing, a control module arranged inside the collecting sealing cabin and the control module is electrically connected with the ultrasonic probes; a plurality of supporting wheels arranged on the collecting device housing. The active connecting device is connected to the front part of the housing of the data collecting and storing device and the back part of the detecting device housing. The embodiment of the invention has the advantages of simple structure, comprehensive detecting and long continuous working time, which can detect in a long distance.

The invention relates to an automatic ABSECU detection device of an automobile, which comprises a valve abnormal simulation module, a valve driving abnormal simulation module, a sensor abnormal simulation module, a wheel speed simulation module, a power supply abnormal simulation module, a diagnosis module, a power supply module, a single chip microcomputer system and a personal computer (PC). Detection control program is conducted on the PC, indications are transmitted to the single chip microcomputer system through a serial port to control the abnormal simulation modules to work and simulate various working conditions of an ABSECU, the single chip microcomputer system collects voltage states at a valve output port and a warning lamp output port of the ABSECU and transmits the states to the PC, and the PC directly conducts information reading and control on the ABSECU through the diagnosis module and judges whether the ABSECU passes the detection or not according to the port voltage states and the diagnosis communication response to achieve full-aspect detection of the quality of the ABSECU. The automatic ABSECU detection device of the automobile can quickly and comprehensively conduct delivery quality detection on the ABSECU.

The invention discloses a small target detection method based on regional nomination. The method comprises: step one, carrying out input image preprocessing and converting the input image into one with a unified size; step two, extracting an image base feature map and extracting five-layer feature maps; step three, carrying out feature fusion and carrying out fusion of the fourth-layer feature mapand the fifth-layer feature map; step four, carrying out small target area nomination and generating small target area nomination by using a regional nomination network; and step five, carrying out small target bounding frame refinement and small target area classification. The method has advantages of fast calculation speed, high small target recognition precision, good generalization performance, and good detection performance of common minimum target areas.

The invention provides an automobile operation stability testing system based on a driver model and an automobile operation stability testing method. The driver model comprises a pre-scanning module, a pre-testing module, a comparing module and a control module, wherein the pre-scanning module obtains an anticipating track according to output of a trailing sensor installed on an automobile, the pre-testing module calculates a pre-testing track of automobile running according to output of a sensor inside the automobile, the comparing module enables the anticipating track and the pre-testing track to be compared and outputs deviation, and the control module calculates and outputs changing quantity of steering wheel corners through potential difference (PD) control according to the deviation. The anticipating track is a snakelike path on an automobile running path, the automobile runs around stakes along the snakelike path at setting speed, the testing system and the testing method calculate final steering wheel corners and output to the automobile to control the automobile to track the anticipating track to run according to the steering wheel corners obtained from automobile status information and the changing quantity of the steering wheel corners calculated by the driver model, and therefore, the automobile operation stability is tested.

The invention discloses a phased array ultrasonic detection device for inner defects of a composite insulator. The phased array ultrasonic detection device comprises a phased array probe, a phased array displayer, a phased array system unit and a system main control computer. The invention also discloses a detection method applicable to the phased array ultrasonic detection device for the inner defects of the composite insulator. The detection method comprises the following steps: 1, generating an ultrasonic signal by the phased array probe and generating a reflected ultrasonic signal when the ultrasonic signal meets the defects of the composite insulator; 2, transmitting the reflected ultrasonic signal to the phased array system unit and the system main control computer, and then transmitting data to the phased array system unit and the system main control computer; 3, processing data with the phased array system unit and the system main control computer, and then outputting a phased array scanning image with the phased array displayer; 4, determining sizes, types and positions of the inner defects of the composite insulator. The detection device and the detection method have the advantage of being capable of quickly, accurately and nondestructively detecting the inner defects of the composite insulator.

The invention provides an electronic humidity-sensing absorption article and a related method thereof. The electronic humidity-sensing absorption article comprises a flexible waterproof membrane, at least two flexible electrodes, a pervious knitted layer and an absorbing layer, wherein the flexible electrodes are mutually separated and insulated and are arranged on one side of the flexible waterproof membrane; and the absorbing layer is arranged on the other side of the flexible waterproof membrane, positioned between the flexible waterproof membrane and the pervious knitted layer, and used for absorbing liquid entering from the pervious knitted layer. The flexible waterproof membrane, the flexible electrodes and the liquid contained in the absorbing layer form a non-polar variable electrolytic capacitor, wherein the flexible electrodes serve as the electrodes of the electrolytic capacitor, the flexible waterproof membrane serves as a dielectric medium of the variable electrolytic capacitor, the liquid serves as the electrolyte of the electrolytic capacitor, and by detecting the capacitance value and change thereof of the variable electrolytic capacitor, the humidity state of the electronic humidity-sensing absorption article can be learned.

The invention discloses a device and method for rapidly testing the comprehensive mechanical properties of an anchor bolt, which belong to the technical field of anchor bolt testing devices. The invention is designed for solving the technical problem of providing a device for rapidly testing the comprehensive mechanical properties of an anchor bolt, which can comprehensively and rapidly test the comprehensive properties of the anchor bolt. The invention adopts the following technical scheme: the device for rapidly testing the comprehensive mechanical properties of an anchor bolt comprises a rack, a universal centering device, an axial force loading device and a hydraulic rotating power device, wherein the universal centering device is arranged at one end of the rack, the axial force loading device is arranged in the middle of the rack, the hydraulic rotating power device is arranged at the other end of the rack, and the axle centers of the universal centering device, the axial force loading device and the hydraulic rotating power device are in one straight line. The device and method disclosed by the invention are widely applied to the testing of the comprehensive mechanical properties of anchor bolts.

The invention provides a quick fine tuning method for a ballastless track of the high-speed rail based on track deviation, comprising the following steps of: correlating track smoothness data recorded by a track inspection tester with a track slab ID (identity); modeling track deviation of the ballastless track of the high-speed rail; and carrying out iteration solution on the integrated positive quantity of the ballastless track of the high-speed rail. After the method is used, the track deviation can be quickly, comprehensively and exactly tested by the track inspection tester, the recovery of the smoothness of the ballastless track of the high-speed rail is taken as a target, and the iteration solution is built, so that the numerical solution of the integrated positive quantity under an inertial coordinate system can be obtained. The method is capable of realizing integrative optimization for the smoothness of the track, free from the information of an external label, high in measurement efficiency and solution efficiency, and good in track slab ID positioning capability, thereby being suitable for the quick fine tuning and the routine servicing of the ballastless track of the high-speed rail.