134results about How to "Increase detection frequency" patented technology

This invention provides one supersonic phase control array test device, which comprises supersonic phase control array detector, supersonic trigger and receive board, main control board and computer, which comprises the following steps: the supersonic trigger and receive board first generates supersonic wave according to the parameter trigger; supersonic echo signal order is through array element switch circuit, signal amplification adjust circuit, A/D converter, digital echo data from control chip inner memory unit; under control board coordination, the echo data are through data to send high speed data transmission module to personal computer to get test result.

The invention discloses a hartmann wavefront sensor based on a unit photo-sensitive detector array. The hartmann wavefront sensor consists of a phase spatial light modulator, a microlens array, a single-mode fiber array and the unit photo-sensitive detector array, wherein the front two-order binary phase modulation is carried out on sub-light waves in each sub-aperture of the hartmann wavefront sensor by the phase spatial light modulator at the same time; the modulated sub-light waves are respectively coupled into the single-mode fiber array of a focal plane to achieve mode selection filtering after the micro-lens array is arranged on the phase modulator, and the light intensity after the mode selection filtering is received by the unit photo-sensitive detector array; and wavefront slope information inside each sub-aperture is solved by processing light intensity data, and finally an incident light wave wavefront is rebuilt by using a hartmann wavefront sensor wavefront mode recovery algorithm. According to the hartmann wavefront sensor based on the unit photo-sensitive detector array, the quantity of probe units is reduced, and the problem of decreasing of wavefront measurement accuracy caused by facula discrete sampling is avoided, so that the wavefront measurement accuracy is not affected by decreasing of the quantity of the probe units, and the hartmann wavefront sensor can be applied to the field of high-speed and high-precision wavefront detection.

The invention discloses a soft system test method and system, the method comprises: a heartbeat sending side calculates the soft heartbeat sending frequency and overtime time according to loads of the sender and current link condition and informs a heartbeat receiver, the heartbeat receiver calculates the soft heartbeat sending frequency itself can burden according to the loads of receiver and current link condition, the heartbeat receiver compares the soft heartbeat sending frequency itself can burden with the heartbeat sending frequency calculated by the heartbeat sender, if the heartbeat sending frequency of the heartbeat sender is smaller than the calculated value by itself, then the heartbeat sender is informed to send the soft heartbeat according to the calculated sending frequency by the heartbeat sender, otherwise, the heartbeat sender is informed to send the soft heartbeat according to the calculated sending frequency by the heartbeat receiver; the system comprises a heartbeat sender and a heartbeat receiver. The invention achieves dynamically adjusting the sending frequency of the soft heartbeat according to the practical operation condition, and the system resources are adequately and reasonably utilized.

The engine misfire detection process according to one aspect of the invention first makes tentative detection on the occurrence or the non-occurrence of an engine misfire in execution of both vibration control and rotation speed control. In response to the tentative detection of an engine misfire, the engine misfire detection process subsequently makes final detection on the occurrence or the non-occurrence of an engine misfire. In the event of no final detection of an engine misfire, the engine misfire detection process makes tentative detection and final detection on the occurrence or the non-occurrence of an engine misfire in prohibition of the vibration control. In the event of still no final detection of an engine misfire, the engine misfire detection process makes tentative detection and final detection on the occurrence or the non-occurrence of an engine misfire in further prohibition of the rotation speed control. Even in the event of no final detection of an engine misfire in execution of both the vibration control and the rotation speed control, the procedure of the invention makes final detection on the occurrence or the non-occurrence of an engine misfire in prohibition of execution of the vibration control and further the rotation speed control. This arrangement desirably increases the detection frequency of engine misfires.

The invention relates to a wind turbine generator blade detecting technique, and discloses a wind turbine generator blade on-line detecting method and a wind turbine generator blade on-line detecting device. The wind turbine generator blade on-line detecting method provided by the invention can be used for demodulating the blade amplitude of oscillation data from reflective light based on a laser radar detecting technique by adopting lasers to irradiate wind turbine generator blades and utilizing the modulation effect to reflective lasers by blade oscillation. The wind turbine generator blade on-line detecting device provided by the invention comprises a laser emitting unit, a laser receiving unit, and a signal processing and controlling unit. According to the invention, continuous or quasi-continuous lasers are projected to the wind turbine generator blades, and any oscillation of blades can generate a modulation effect to lasers projected to the blades, and the important physical parameter-amplitude of oscillation can be collected by receiving and demodulating lasers reflected by the blades. The wind turbine generator blade on-line detecting method and the detecting device provided by the invention do not need to modify the blades, cannot affect the structure safety of wind turbine generator blades, are convenient to use, and are wide in application.

The invention relates to an automated regression testing method based on retrieval granularity of Git code files. The method comprises the following steps of 1, automatically acquiring the files with changed codes on the main line of Git development codes, and obtaining a list where the names of all files with changed codes in testing time are recorded; 2, converting the captured files with the changed codes into a list of affected functional characteristics; 3, converting the affected functional characteristics into automated regression case labels which need to be run; 4, converting all manual execution operation in the step 1, step 2 and step 3 into automatic execution operation, and integrating the automatic execution operation through a Jenkins platform to achieve one-click triggering. Compared with the prior art, the automated regression testing method based on the retrieval granularity of the Git code files has the advantages that the granularity is finer, the frequency is higher, and more resources are saved.

To make it possible to improve a printing speed.

When printing a plurality of printing sheets 14, it is possible to decrease the time for generating correction data by using a pair of correction data values to print the printing sheets 14. Therefore, it is possible to decrease the time for printing each printing sheet 14 even compared to the case of a method for generating correction data for each printing sheet 14. As a result, even when the number of sheets to be printed is large, it is possible to improve a printing speed. Moreover, when meandering states of the printing sheet 14 are changed, it is possible to prevent disorder of a printed image due to meandering of the printing sheet 14 for a long time by newly generating correction data. Furthermore, by generating (updating) only a part of correction data when newly generating the correction data, it is possible to decrease the time for generating the correction data and improve a printing speed.

The invention discloses a method and device for controlling water quality on-line monitoring data. The method includes the following steps that the monitoring data and quality control data of on-spot detection of a water quality monitoring device are received, and the monitoring data have the properties of the monitoring factor, the monitoring time and the monitoring value and include standard sample examining data and/or adding standard recovery rate data; whether the monitoring data are valid or not is judged according to the quality control data; the monitoring data are output and the output monitoring data have the validity property or the invalidity property. According to the method and device for controlling the water quality on-line monitoring data, the evidence of the accuracy of the monitoring data of an on-line analyzer is automatically achieved by receiving the monitoring data and the quality control data of on-spot detection of the water quality monitoring device and judging the accuracy of the monitoring data according to the evidence manner of the quality control data. The problems of complex operation and low efficiency in a laboratory are solved, wherein the problems are caused by manual analysis and manual data input. In addition, on-line detection of water samples is ensured, and the method and device for controlling the water quality on-line monitoring data are automatic and intelligent in control process, timely in detection, high in detection frequency and capable of practically ensuring the accuracy of the monitoring data.

The invention discloses a calibration system for leakage detection of a fuel evaporation system and a detection method thereof. The system for leakage detection of a fuel evaporation system comprisesa calibration reference system and a leakage detection system; the calibration reference system comprises a sealed reference fuel tank, a temperature sensor, a pressure sensor, a liquid level sensor,a vacuum pump, a reference hole group, a sealed reference fuel tank controller and the like; the reference hole group is arranged on the sealed reference fuel tank, and the temperature T, the fuel liquid level H and the size D of the reference hole group are changed; the vacuum pump is used for establishing the vacuum degree for the sealed reference fuel tank to measure the pressure; and a function D=f (T, P, H) is fitted through a plurality of groups of (T, P, H, D) data. The leakage detection system measures the temperature T0 and the fuel liquid level H0, the vacuum pump of the detection system is operated in the same state as the vacuum pump of the calibration system to establish the vacuum degree for the fuel tank to be detected to measure the pressure P0, and the controller of the fuel tank to be detected is used to calculate the size D0 of the leakage hole of the fuel tank to be detected through adoption of the function so as to improve the detection precision of leakage detection of the fuel evaporation system and shorten the detection time.

The invention provides a DBD (Dielectric Barrier Discharge) excitation source, a DBD-AES (atomic emission spectroscopy) system and a detection analysis method of the DBD-AES system to solve the problems existing in DBD-AES system liquid sample introduction in the prior art, and belongs to the technical field of AES detection devices and analysis technologies. The DBD excitation source is an open type plasma excitation source and is composed of a first electrode, a second electrode and a power supplying system, wherein the first electrode is attached to a conductive metal piece on a quartz plate, and the second electrode is composed of an atomizer and conductive metal foil wrapping the side wall of the outlet of the atomizer. The DBD-AES system is composed of the DBD excitation source, a sequence injection system, a carrier-gas cylinder and a CCD detector. An open type DBD plasma and a liquid sampling mode are adopted in the excitation source of the system, it can be guaranteed that liquid samples are directly introduced while the DBD plasma stably discharges, and produced sensitive emission spectra are used for quantitative analysis on an object to be measured; the system is high in sample introduction speed and detection frequency, the analysis efficiency is greatly improved, and the detection time is saved.

The invention discloses a device for measuring a settling ratio and an optimal settling ratio of sludge in a mechanical acceleration settling pond and a method for measuring the settling ratio and theoptimal settling ratio of sludge by using the device, wherein the device comprises a shell, a settling assembly, an interface observation assembly and a control assembly, and a cavity is arranged inthe shell; the settling assembly and the interface observation assembly are arranged in the cavity in the shell; the settling assembly comprises two settling pipes which are connected in series, the volume of a first settling pipe is larger than or equal to the volume of a second settling pipe, the first settling pipe communicates with the second settling pipe through a connecting pipe, and the settled and concentrated sludge liquid in the first settling pipe is injected into the second settling pipe. The device of the invention is a portable device with simple structure, small size and compactness, is automatically controlled, is capable of obtaining the settling ratio and the optimal settling ratio of the sludge in the sludge liquid, overcomes artificial subjective factors, has accuratedata measurement, can automatically sample and analyze settling characteristics of the sludge, and provides guidance parameters for tap water treatment operation.

The embodiment of the invention discloses a vehicle information detection method and equipment thereof. The vehicle information detection method comprises: acquiring a first vehicle identification code of a vehicle terminal based on the established communication connection with the vehicle terminal and by employing a preset acquisition mode, and acquiring first electric control system list information corresponding to the first vehicle identification code; detecting a first electric control system indicated by the first electric control system list information based on a vehicle detection application, and generating a first information detection parameter; and sending the first information detection parameter to a server so that the server generates a first information detection result based on the first information detection parameter and outputs the first information detection result. By employing the method and the equipment thereof, after matching of the vehicle type through the vehicle identification code, the detection of the vehicle electric control system can be automatically accomplished, the detection frequency of vehicle health detection is increased, and the probability of discovering the vehicle hidden risks is improved in time.

The invention discloses a tracing and attendance system based on Wi-Fi intelligent terminals. The system comprises the intelligent terminals, an intelligent terminal device information management module, a memory, a link data sending module, a link data monitoring module and data processing module and an intelligent terminal device state tracing and statistic module. The invention also discloses atracing and attendance method based on Wi-Fi intelligent terminal devices. The method comprises the steps of establishing an intelligent terminal device database; probing and tracing the intelligentterminal devices by monitoring probe requests sent by the intelligent terminal devices; sending request to send control data frames to the target intelligent terminal devices; monitoring clear to sendcontrol frames of the target intelligent terminal devices to probe and trace the intelligent terminals; and carrying out recording and statistics on states of all monitored intelligent terminal devices. The intelligent terminals and information of terminal holders are correlated, thereby carrying out tracking and attendance on the states of the terminal holders.

The invention discloses a gravel masonry dam material filling construction method in a cold region. The construction method includes: plane surveying of filling units; side boundary measuring and paying off of the filling units; acceptance inspection of basic planes; material exploitation, material feeding and material discharging; digging and loading of filling materials, and water adding outside a dam; material leveling and layer thickness controlling; watering replenishing; grinding; and grinding quality checking. The material exploitation is performed in a belt-shaped interval exploitation method, namely, when stock ground exploitation is performed in non-low-temperature seasons, a belt-shaped material source is reserved for exploitation in low-temperature seasons during the exploitation, and by means of natural water loss of the reserved belt-shaped material source, moisture content in gravel stone materials is lower than 2%; and the grain size of the gravel masonry dam shell materials is smaller than 0.075mm, particle content is lower than 3%, moisture content is no lower than 5%, and nonuniform coefficient Cu is larger than or equal to 15. The gravel masonry dam material filling construction method solves the technical problem of uneven sediment of deep covering layer in the dam body filling by stages, fully utilizes gravel masonry dam shell material filling construction in low-temperature seasons of winter to speed up engineering process, and ensures construction image and construction quality.

The embodiment of the invention discloses a vehicle condition inspection method and device for an unmanned vehicle. The method comprises the steps that environmental data reported by the unmanned vehicle and actual output data of an intelligent processing module contained in the unmanned vehicle are obtained; vehicles adjacent to the unmanned vehicle are determined according to the environmental data reported by the unmanned vehicle; standard output data of the intelligent processing module is determined according to the environmental data reported by the unmanned vehicle and environmental data reported by the vehicles adjacent to the unmanned vehicle; the actual output data of the intelligent processing module is matched with the standard output data, and a vehicle condition inspection result of the unmanned vehicle is determined according to the matching result. According to the technical scheme, vehicle condition inspection can be achieved by only reporting the environmental data of the unmanned vehicle and the actual output data of the intelligent processing module to a vehicle condition inspection server, the unmanned vehicle does not need to be sent to a vehicle inspection center, the vehicle condition inspection cost of the unmanned vehicle is reduced, and the vehicle condition inspection frequency of the unmanned vehicle is increased.

The invention discloses a high-temperature pipeline wall thickness online monitoring device and method based on an ultrasonic waveguide. A lath-shaped waveguide structure is adopted as a heat buffer structure for cooling and heat insulation, meanwhile, based on non-frequency-dispersion horizontal shear guided wave signal transmission in the waveguide structure, piezoelectric ultrasound of a to-be-monitored high-temperature pipeline is subjected to long-distance, on-line and real-time monitoring, and the pipeline with the temperature reaching 1000 DEG C can be monitored; the waveguide structureand the to-be-monitored high-temperature pipeline make contact through pressure dry coupling, a good sound transmission effect is achieved, and the problem of a failure of a liquid coupling agent atthe high temperature is solved; meanwhile, a piezoelectric ceramic wafer in a d24 mode is adopted, thus the lighter and cheaper effects are achieved, power consumption is low, the efficiency is high,and surface bonding and fixing are also more convenient and firmer compared with a thickness coupling mode; and the high-temperature pipeline wall thickness online monitoring device can be permanentlymounted on the high-temperature pipeline during test run of the high-temperature pipeline, the safety state of the high-temperature pipeline is continuously obtained for a long time, the detection frequency can be increased, and the error caused by recoupling of a probe each time is also decreased.

An input position detection apparatus using a touch screen panel (TSP) includes: a power supply unit supplying a power; a transmission unit transmitting at least one internal signal formed by the power supplied by the power supply unit; a receiving unit receiving at least one signal among the internal signal transmitted by the transmission unit and at least one external signal transmitted by at least one electronic pen; and a controller comparing a strength of the signal received by the receiving unit with a strength of the internal signal transmitted by the transmission unit, determining a type of input method according to a result of a comparison, and detecting an input position.

The invention discloses a method and a device for detecting a transmission path, and belongs to the technical field of data transmission. The method comprises the following steps: judging whether a network detection task for a destination address exists locally or not when data flow directed to the destination address is received; if so, adding the receiving times recorded for the data flow directed to the destination address by 1, otherwise creating a network detection task; and executing the network detection task when the receiving times is greater than a preset hot address threshold, and resetting the duration of the network detection task. Through adoption of the method and the device, the detection frequency of the destination address with low heat can be reduced, and the detection frequency of the destination address with high heat can be lowered, thereby not only reducing the occupation of bandwidth resources, but also ensuring the network acceleration effect of data transmission.