30results about How to "Rigorous testing" patented technology

The invention provides a board-level radio frequency signal testing system, method and device without a radio frequency testing base, which are used for testing radio frequency signals of a radio frequency circuit. The board-level radio frequency signal testing system device comprises a radio frequency test probe, a tuning module and a test instrument module, one end of the radio frequency test probe is connected with an antenna elastic sheet of a radio frequency circuit, and the other end is connected with the tuning module; the tuning module is connected with the test instrument module; thetuning module adjusts the matching impedance according to the return loss; the matching impedance is matched with the impedance of the radio frequency circuit; the radio frequency test probe is directly and electrically connected with the antenna elastic sheet in the radio frequency circuit; then, the tuning module is used for adjusting the matching impedance, and whether the matching impedance ismatched in place or not can be judged according to the return loss until the matching impedance is matched with the impedance in the radio frequency circuit, so that the purpose of directly testing aradio frequency signal through the antenna elastic sheet is achieved; the test result is rigorous and the structure is ingenious; and the design space and the production cost of a radio frequency test base in a radio frequency circuit are saved.

The invention relates to the technical field of road engineering quality detection, in particular to a tunnel lining non-destructive testing method based on audio frequency analysis, which aims to provide an efficient and accurate non-destructive testing method for tunnel linings. The technical solution adopted is as follows: the following steps are included: acquiring a tunnel lining tapping audio signal at a given sampling frequency by using a mobile terminal with a recording function; trimming the tapping audio signal to retain an effective signal; calculating a calibration threshold according to the effective signal parameters; calculating a test point void index according to the effective signal parameters; comparing the void index with the calibration threshold; and determining the tunnel lining quality according to the comparison result. The invention can carry out non-destructive testing on the surface defects of the lining, and has the characteristics of convenience, high efficiency and accuracy.

The invention discloses a method for early detection on a colorectal cancer on the basis of a NDRG4 gene methylation sequence. The auxiliary diagnosis is performed on the early colorectal cancer through detecting whether a section of methylation sequence of a NDRG4 gene promoter region is methylated or not; the method comprises the following steps: extracting DNA from tissue and fecal samples, treating with hydrosulfite, then performing real-time quantitative PCR determination and judging a methylation level through calculating whether an amplified Ct ratio difference value between a target gene NDRG4 and an internal reference gene B2M is within a decision critical value or not. The method is noninvasive and can be used for the auxiliary diagnosis of the early colorectal cancer.

A method of classifying plant embryos according to their quality based on a general form of Lorenz-Bayes classifier is disclosed. First, image or spectral data of plant embryos of known quality are acquired, and the data are divided into two classes according to the embryos' known quality. Second, metrics are calculated from the acquired image or spectral data in each class. Third, multi-dimensional histograms of multiple metrics are prepared for both classes. Fourth, the difference or some other measure of comparison between the two multi-dimensional histograms is obtained. Fifth, image or spectral data of a plant embryo of unknown quality are obtained and metrics are calculated therefrom. Sixth, the embryo of unknown quality is assigned to a class based on its calculated metrics and the result of the comparison as calculated in the fourth step above.

The invention discloses a clamping tool for testing the mechanical load of a photovoltaic module. The clamping tool comprises a pair of long cushion blocks arranged in parallel, wherein each long cushion block is provided with at least two clamps, the clamps are connected through bolts to fixedly connect an aluminum alloy guide rail onto the inner sides of the long cushion blocks, the length of the aluminum alloy guide rail is not less than that of each long side frame of the photovoltaic module, a slide slot for accommodating and clamping each long side frame of the photovoltaic module is arranged on the inner side of the aluminum alloy guide rail, the two slide slots of the aluminum alloy guide rail arranged on the two long cushion blocks are located at the same horizontal heights, so that the clamped photovoltaic module is guaranteed to be placed horizontally. According to the clamping tool provided by the invention, the reliability of a test result is improved, the mechanical load test is more precise, and the comprehensive mechanical performance of the photovoltaic module passing the test is better.

The invention relates to an over-temperature protection method and device for a charging pile, electronic equipment and a medium, and relates to the technical field of charging piles, the method comprises the steps that the working state of the charging pile is judged, and the working state comprises the charging state and the standby state; temperature information is obtained, wherein the temperature information comprises an air inlet temperature value, an air outlet temperature value and a control cabinet temperature value; judging whether the temperature of the charging pile is out of control based on the temperature information; and if the temperature out-of-control condition occurs in the charging pile, over-temperature protection is performed on the charging pile based on the temperature out-of-control condition, and the over-temperature protection comprises reduction of the power of the charging pile. The charging pile has the effect of improving cooling and heat dissipation when the charging pile generates high temperature.

The invention discloses a Bluetooth remote control testing management system and method. An output end of a Bluetooth remote control is connected with a data acquisition unit, an output end of the data acquisition unit is connected with a PC terminal, an output end of the PC terminal is connected with a server, and the PC terminal is further connected with a printer and a scanner. The testing management method includes steps: an APK (Android package) of the Bluetooth remote control receives PC monitoring software commands from the PC terminal and intercepts remote control data to upload to PCsoftware through a TCP (transmission control protocol); the PC software receives and verifies information intercepted by the APK to check whether data information can be passed or not and finally sorts and uploads test data to a server terminal to display and store test results; the server terminal manages the test data and manages login users and test software. The software is responsible for allfunctional tests, so that manual operating steps are sharply reduced, and the problem of misjudgment caused by manual operation can be avoided. In addition, data traceability, test preciseness and high reliability are realized.

Fittings to join and tightly seal tubes such as plastic tubes used in but not limited to various plumbing applications. The fittings allow for rigorous and non-destructive tests of the integrity of seals, where the integrity of seals can be readily and quickly tested one by one, as a pipe system is being built. The seals can also be tested again, after installation and completion of the plumbing arrangement. The fitting comprises two pairs of sealing zones, each pair having in between sealing zones a pressure testing chamber with an inlet, which allows for pressurising the chamber and testing the integrity of the adjacent seals. The fittings have a series of cold zones that enhance flexibility and integrity of the fittings.

The invention relates to the technical field of network attack protection, in particular to a network attack protective system capable of effectively preventing threats. The system comprises a state tracking unit, an algorithm filter unit, a trigger filter unit and a protective processor, wherein the state tracking unit is connected with the algorithm filter unit; the algorithm filter unit is connected with the trigger filter unit; the trigger filter unit is connected with the protective processor; the trigger filter unit comprises a threat detector and a threat evaluator which are connected. The invention aims to provide the network attack protective system capable of effectively preventing threats, and the network attack protective system is safe, efficient, rigorous in detection and high in accuracy.

The invention relates to the technical field of molecular biology, and particularly discloses application of snoRNA SNORD33 in preparation of a kit and/or a preparation for evaluating curative effects of platinum drugs for patients with lung cancer or bladder cancer. Platinum drugs are common chemotherapeutic drugs for treating lung cancer and bladder cancer patients, however, the expression quantities of the snoRNA SNORD33 in the plasma of the patients are different, so that the curative effects of the patients on the platinum drugs are different, and therefore, the detection of the expression quantity difference of the snoRNA SNORD33 in the plasma can be used for evaluating the curative effects of the platinum drugs of the lung cancer or bladder cancer patients. The invention further provides a kit capable of detecting the expression quantity of the snoRNA SNORD33. The kit comprises a reverse transcription reaction system and a fluorescent quantitative PCR reaction system. The kit is rapid and convenient in detection and high in accuracy, and can realize platinum drug curative effect evaluation of patients with lung cancer or bladder cancer. The method can assist doctors in evaluating and judging the curative effect of platinum drugs for patients with lung cancer or bladder cancer, provides valuable decision basis and reference information for the doctors to select proper treatment schemes, is beneficial to improving the treatment effect and life quality of the patients with lung cancer or bladder cancer, and has very important clinical value.

The invention belongs to the technical field of safety helmet quality detection and provides a safety helmet quality detection and construction safety evaluation system. The system comprises a safety helmet quality detection device, a multi-channel analog switch, a signal conditioner, an A/D converter, a lower computer and an upper computer, wherein the safety helmet quality detection device is connected with the multi-channel analog switch, the multi-channel analog switch is connected with the signal conditioner, the signal conditioner is connected with the A/D converter, the A/D converter is connected with the lower computer, and the lower computer is connected with the upper computer, so problems that stress data acquired during safety helmet quality detection is single and incomplete, and stress conditions of the head in all directions of a person wearing a safety helmet in real life cannot be comprehensively simulated and evaluated when the person is hit, and a specific detection device is in a lacking state are solved. The system is advantaged in that data collection is comprehensive, safety helmet quality detection is more rigorous, and safety helmet quality qualification evaluation is more accurate.

The invention discloses a PDA-based intelligent label detection method and device, and relates to the technical field of detection. An intelligent label detection method based on a PDA is applied to aPDA device terminal. The method comprises the following steps: S01, after receiving an order number, acquiring order number information, comparing an order number type in the order number informationwith a function type list, and further confirming a label detection mode; step S02, in the confirmed label detection mode, receiving appearance information and label information of a plurality of articles and counting; s03, comparing the number of the articles with the number of the labels; s04, comparing the appearance information of the article with the appearance information in the label information; s05, comparing the article information in the label information with the article information in the article list; and step S06, transmitting the detected correct label information to a cloud server. The PDA-based intelligent label detection equipment is used for label detection. The invention provides the PDA-based intelligent label detection method and the PDA-based intelligent label detection equipment which are used for automatically and intelligently identifying whether label information is correct or not.

The invention discloses a software behavior safety protection method and device, a storage medium and computer equipment, relates to the technical field of communication and information, and mainly aims to solve the problem that safety protection of software behaviors only aims at safety detection of different authority distributions in a software process. The method comprises the steps that software behavior information is acquired, and the software behavior information is information of behaviors generated after software runs on an application platform; Behavior characteristics in the software behavior information are analyzed, whether the behavior characteristics are matched with software behavior rules or not is judged, and the software behavior rules are rules used for judging whethersoftware behaviors corresponding to the behavior characteristics are safe behaviors or not; And if the behavior characteristics are matched with a software behavior rule, performing protection processing on the software behavior according to a matching result determined by the software behavior rule.

The invention discloses an automatic test system for lamp safety regulations. The system comprises an input/output test unit, an input test unit, a harmonic distortion test unit, an output load test unit, a full-load output current test unit, a leakage current test unit, an output current and power test unit, a withstand voltage test unit, an impedance test unit, a maximum output voltage test unit, a maximum input voltage test unit and a capacitor discharge test unit; a PLC is used for acquiring a user instruction and controlling each test unit to test according to the program; a touch screenis used for communicating with the PLC controller, and acquiring a user instruction through the configuration picture, so that the PLC controller enables the corresponding test unit to work and feedsback the control state of the PLC controller on the test unit. According to the invention, the most common 12 detections can be carried out in sequence, the manual operation is replaced to the greatest extent, the efficiency is improved, the detection process is rigorous, the data is real, the efficiency can be improved by about 20 times, the test efficiency is high, and the method is suitable forpopularization.