225results about How to "Solve the slow test speed" patented technology

A method for the nondestructive testing of a test object by ultrasound is provided, the method including generating a pulsed ultrasonic field in the test object by means of an array of individually drivable ultrasonic transmitting transducers acoustically coupled to the test object. The ultrasonic transmitting transducers are each driven with a specific analog transient excitation signal, wherein each analog transient excitation signal is generated based on an ultrasonic transmitting transducer-specific stored digital transient excitation function. The method further includes receiving resulting echo signals from the test object by means of an array of individually drivable ultrasonic receiving transducers, with each ultrasonic receiving transducer providing an analog time-resolved echo signal, temporarily storing the time-resolved, transducer-specific, digitized echo signals in the form of an echo signal set, and applying a plurality of different reception processing rules to the echo signal set.

In accordance with one embodiment, the present technique provides a testing apparatus for testing material integrity of an object. The exemplary testing apparatus includes a phased array transducer, which is disposed external to the object. The phased array transducer is configured to transmit a first set of ultrasonic signals and to receive a second set of ultrasonic signals. The testing apparatus further includes logic circuitry coupled to the phased array transducer. The logic circuitry is configured to dynamically control apertures for transmitting the first set of ultrasonic signals and receiving the second set of ultrasonic signals based on a region of interest and a testing speed.

A sensor instrument system for detecting and identifying analytes in fluids of a region comprising a local sensor instrument and remote central station. The instrument is comprised of a core technology employing a single sensor having two electrodes operated by an electrical frequency sweeping to generate two sets of patterned electrical information from a single measurement, a data transmission module and a GPS receiver module. The central station connects to a network means connected to a plurality of local receiving sites equipped with including the respective transceivers, so that the local analyte electrical information and geographic position information transmitted by the instrument can be wirelessly and remotely received and processed by the central station. The core technology is further comprised of a reference sensor for eliminating background influence, a temperature programming to control adsorption and desorption of analytes, and usage of all kinds of adsorbent materials having chemical selectivity including the hydrogen selectivity to enhance detection and identification of analytes in fluids.

The invention discloses a feature pyramid-based remote-sensing image time-sensitive target recognition system and method. The system comprises a target feature extraction sub-network, a feature layersub-network, a candidate area generation sub-network and a classification and regression sub-network, wherein the target feature extraction sub-network is used for carrying out multiple layers of convolution processing on a to-be-processed image and outputting the convolution processing result of each layer as a feature layer; the feature layer sub-network is used for overlapped the last feature layer and the current feature layer to obtain the current fused feature layer, wherein the topmost fused feature layer is a topmost feature layer; the candidate area generation sub-network is used forextracting candidate areas from different layers of fused feature layers; and the classification and regression sub-network is used for mapping the candidate areas to different layers of fused featurelayers so as to obtain a plurality of mapped fused feature layers, and carrying out target judgement on the plurality of mapped fused feature layers so as to output a result. According to the systemand method, the hierarchical structures of feature pyramids are utilized to ensure that all the scales of features have rich semantic information.

The invention discloses a pressure testing method, device and system for intelligent terminal software. The pressure testing method comprises the following steps: receiving the intelligent terminal software, a testing script thereof and a testing machine model list; selecting an intelligent terminal of a corresponding testing machine model being connected on the cloud; sending the intelligent terminal software and the testing script thereof to the selected intelligent terminal; conducting testing control on the selected intelligent terminal. The testing control comprises the following steps: installing and operating the intelligent terminal software; repeatedly playing back the testing script aiming at the intelligent terminal software to realize the pressure test on the basis of the specified frequency. By the adoption of the pressure testing method, device and system, the amount of intelligent machine models covered by the pressure test can be increased, and the testing speed and the testing efficiency are improved.

A tag testing device uses an infrared camera to take an image of a plurality of radio frequency identification tags, compares the image with a stored standard tag pattern image storage, and detects defective tags based on the comparison. A radio wave transceiver bulk reads the tags using anti-collision, a tag response counter counts a number of tag responses, and a defective tag detector compares a number of heat emitting tags based upon the image processing with a number of tag responses counted by the tag response counter. If the number of heat emitting tags does not match a number of responsive tags, a number of the tags tested are changed by partially shielding the tags and the radio wave transceiver repeatedly bulk reads the tags using the anti-collision function while a shielding range is gradually changed, thereby narrowing down other possible defective but heat emitting tags.

The invention relates to a method and a device for executing the method for spatial presentation of a predeterminable area under examination. By overlaying a movement of the axis of projection along an axis of examination onto a rotation of an axis of projection around the object under examination, and by interpolating from the recorded projection data sets image data sets for axes of projection not recorded, and by creating a spatial presentation of the area under examination from the projection and image data sets, a method and a device can be provided which increases the speed of an examination for an extended area under examination of an object under examination.

The invention relates to the field of LXI instrument development and discloses an LXI instrument service monitoring method. The method solves the problem that more storage and operating space is needed caused by that same starting processes are performed repeatedly due to resource waste inside a server caused by the phenomenon that non-working processes still occupy table entries and system resources of a process list due to the fact that existing service methods are designed into a concurrent service mode. The method includes: monitoring preparation of a service request; adding socket descriptors to a descriptor set according to configuration file common socket descriptors; binding a port number and a wildcard IP (internet protocol) address to a socket interface of a corresponding server; and by the socket interface, invoking listen to accept the service request, invoking select for scanning, invoking accept for receiving, invoking fork to create a subprocess, converting the subprocess into a daemon process, and invoking exec to execute monitoring processes and specific service processes of the corresponding service process.

The present invention relates to a system for quickly detecting tunnel deformation, comprising a rail walking mechanism (1) disposed on a subway rail, and an acquisition system (2) disposed on the rail walking mechanism (1); wherein the rail walking mechanism (1) is a T-shaped walking platform, comprising a cross shaft (11), a longitudinal shaft (12) and a stand column (13); the cross shaft (11) and the longitudinal shaft (12) are connected to form the T-shaped platform; tread wheels (16) are disposed at the bottom of the T-shaped platform; one end of the stand column (13) is vertically connected with the cross shaft (11), and the other end of the stand column is used for configuring an operating platform (14) of the acquisition system (2); the acquisition system (2) comprises a fractional laser structured light source (21), industrial focus-fixed cameras (22) and a computer; and the computer is connected with the industrial focus-fixed cameras (22). Compared with the prior art, the quick detection device can effectively solve the problem of detecting cross section deformation of tunnels, the problem of transforming many different local coordinate systems to a global coordinate system, and the problem of unstable test data caused by movements.

The invention provides a PCBA board used for achieving PCBA board testing. The PCBA board is electrically connected with a display device through a signal connecting line, and the PCBA board is provided with a plurality of functional circuits and at least one programmable chip, and further comprises a CPU and a testing unit. The CPU is used for uploading a test program in a complete system program in advance, the complete system program is an operation system program of a device loading the PCBA board, and the testing unit is used for executing the test program to test the functional circuits and the programmable chip of the PCBA board. The CPU is further used for judging whether the functional circuits and the programmable chip are qualified or not according to the testing results fed back by the functional circuits and the testing result of the programmable chip of the PCBA board, and generating and sending corresponding control signals according to judgment results to trigger the display device to respond to the control signals to display the testing results. The invention further provides a corresponding system and method. According to the PCBA board, the system and the method, the test program is uploaded to the PCBA board in advance to carry out automatic testing and to display testing prompt messages, and therefore the testing speed and testing efficiency of the PCBA board are improved.

The embodiment of the invention discloses a method for sending a bullet screen message, a server, a system, and a storage medium. The method comprises the steps that the server receives a bullet screen message request sent by a webpage terminal, wherein the bullet screen message request comprises a target bullet screen message and target client information; the server caches the target bullet screen message, and detects whether to receive an empty data packet sent by a target client or not according to the target client information, wherein all clients build socket word length connection withthe server in advance; the server adds the target bullet screen message to the empty data packet to generate a response packet when the empty data packet is received; the server transmits the responsepacket to the target client according to a target socket word object corresponding to the target client. According to the technical scheme of the embodiment of the invention, the method can achieve the active triggering of the bullet screen message, improves the transmission speed and development efficiency, reduces the concurrence quantity of the server, and alleviates the processing pressure ofthe server.

The invention discloses a double-CPU multichannel FT mass production test system and method. The system comprises a human-machine interface processing module, a handler control module, an open/short circuit detection module, a data storage module, a power control module, a test module, a statistical analysis module and an LCD touch display module, wherein the handler control module, the open/shortcircuit detection module, the data storage module, the power control module, the test module and the statistical analysis module are arranged in an ARM processor, and the human-machine processing module and the LCD touch display module are arranged in an LCD touch display unit. Through the test system and method, testing speed and data processing speed are greatly increased, the test system and method are not limited by the influence of an application terminal, data accuracy and repeated testing are realized, working efficiency is high, and the test system and method are beneficial for controlling batch delivery quality of products.

The invention relates to the field of optical fiber coating, in particular to a method for testing geometric parameters of optical fiber coating layers. The method for testing the geometric parameters of the optical fiber coating layers includes the steps: stripping each coating layer from the end face of each optical fiber coating layer to the rear by a proper length and irradiating into the coating layer from a stripped position by a light source; conducting the light source by the coating layer and lighting up the end face of each optical fiber coating layer; and projecting images of the end faces of the optical fiber coating layers into an imaging system. The layers can be distinguished according to different attenuation coefficients of materials of the coating layers and different angles of light incidence. The geometric parameters of the end faces of the optical fiber coating layers are tested by the method, the testing speed and the testing accuracy of a geometric parameter tester for the optical fiber coating layers are greatly improved, and the testing accuracy of the geometric parameters of the primary coating layer is particularly improved.

The invention discloses a test method and a test device of communication terminals. The test method includes a sub process of carrying out tests for a communication terminal group to be tested and provided with at least two communication terminals, and the test sub process includes carrying out a receiver test for the communication terminals in the group. The receiver test includes: all the communication terminals in the group carry out receiver test initializing and receive test instructions sent by a general computer in non-signaling mode, and then a test instrument is used for carrying out the receiver test on the initialized communication terminals side by side. The general computer is used for sending the test instructions to the communication terminals in non-signaling mode and the test instrument is used for carrying out the receiver test on the plurality of communication terminals side by side so that test speed and test efficiency are effectively improved, and test cost is reduced.

The invention relates to the field of medical instruments, and provides a full-automatic fluorescence immunoassay analyzer. The analyzer comprises a sample adding mechanism, a reagent card bin, a signal acquisition mechanism, a sample feeding mechanism and a buffer liquid bin; the sample feeding mechanism is movably arranged on one side of the reagent card bin, and is used for conveying test tubesplaced on the sample feeding mechanism to a preset position; the reagent card bin is provided with at least one reagent card position, and a scanning window is formed in the position, opposite to a scanning area on a reagent card, of each reagent card position; the signal acquisition mechanism is movably arranged below the reagent card bin so as to obtain the information of the scanning area on the reagent card; the buffer liquid bin is slidably arranged on the other side of the reagent card bin, and the buffer liquid bin is provided with at least one buffer liquid level; and the sample feeding mechanism is movably arranged above the reagent card bin. According to the full-automatic fluorescence immunoassay analyzer, the reagent card bin and the buffer liquid bin are arranged in the analyzer, the automation level of the analyzer is improved, and meanwhile, the testing precision and the testing speed of the analyzer are improved.

The invention relates to a system for automatic test of 1 dB compression points in a high-power radio frequency power amplifier module and a method thereof. The system comprises a signal source, a frequency spectrograph, a personal computer, a switch, an isolator, an attenuator, and a testing control panel; wherein the signal source, the frequency spectrograph and the personal computer constitute a local-area network via the switch, the signal source provides input power signals to a power amplifier module to be tested, the frequency spectrograph obtains the output power of the power amplifier module to be tested and reports to the personal computer to compute gains, and hereby the personal computer computes the next output power of the signal source and searches 1 dB compression points in the power amplifier module to be tested by using the principle of dichotomy after the power amplifier module to be tested enters a nonlinear operating area. The inventive system can realize automatic test of 1 dB compression points in the high-power radio frequency power amplifier module with no damage on power amplifiers and remarkably improved test speed and progress; and the testing error is controlled to be 0.1 dB, and the testing time of each power amplifier module is shortened to be 30 seconds.