31results about How to "Reduce the difficulty of judgment" patented technology

The invention discloses a display panel and a display device. The display panel comprises a first baseplate and a second baseplate opposite to the first baseplate, wherein the first baseplate comprises a plurality of touch-control electrodes distributed in an array manner; the second baseplate comprises a plurality of touch-control auxiliary electrodes, and each touch-control auxiliary electrode and parts of two adjacent touch-control electrodes are overlapped in a projection manner in the direction perpendicular to the second baseplate, wherein the overlapped parts of the touch-control auxiliary electrode and the touch-control electrodes are the same in shape. When touch operation is generated in the display panel, coupling capacitance is formed between a touch-control medium and the touch-control auxiliary electrodes, further coupling capacitance is formed between the touch-control auxiliary electrodes and the touch-control electrodes, which is equivalent to reduction of the perpendicular distance of the touch-control medium and the touch-control electrodes; one time of touch operation can correspond to more touch-control electrodes, and the touch-control position judgment difficulty and the touch-control operation accuracy requirement are reduced.

The invention provides a vehicle-mounted communication device and a method thereof. The device comprises a main controller, and a timer, a memory, a man-machine interaction interface module, an audio effect processing module and a Bluetooth module connected with the main controller, wherein the Bluetooth module is also connected with a microphone; the audio effect processing module is also connected with a loudspeaker; the Bluetooth module is used for carrying out wireless communication with a mobile terminal; the timer is used for recording the ringing time length of an incoming call, and interruption is generated when the incoming call ringing time length achieves a preset value; the memory is used for storing automatic reply voice files; the controller is used for carrying out unified control and management on the device; the audio effect processing module is used for processing audio data; and the loudspeaker is used for playing an audio file. The method of the invention adopts an automatic reply strategy and a reminding mechanism, subjective concerns of a user are eliminated, the user driving communication safety can be further ensured, and the practical significance is high.

The invention relates to a monitoring equipment-based target object speed calculation method, and aims at calculating speeds of target objects according to video images shot by monitoring equipment mounted on running vehicles. The method comprises the following steps of: judging whether a coordinate, under an image physical coordinate system, of an original video image is known or not, if the judging result is positive, removing distortion of the video image through coordinate transformation, and if the judging result is negative, removing the distortion of the video image through an image correction tool so as to obtain a corrected video image; establishing a relative two-dimensional coordinate system, and calculating a transformation parameter between the relative two-dimensional coordinate system and an image pixel coordinate system; calculating a coordinate, under the relative two-dimensional coordinate system, of a grounding point of a target object according to the normalized andnonlinearly optimized transformation parameter, so as to obtain relative positions of the target object and a running vehicle; and calculating a running speed of the target object according to changeconditions of the relative positions of the target object and the running vehicle. Compared with the prior art, the method has the advantages of removing image distortion and being small in result error and strong in operability.

The invention relates to the field of computer image retrieval, and provides a quick matching method and a quick matching system for similar images. The method comprises the steps of background preprocessing and foreground matching. The background preprocessing step specifically comprises the sub-steps of S101, extracting a visual feature of each image to be retrieved in an image database; S102, mapping M text feature labels on each image to be retrieved in the image database; and S103, building a joint sorting index table F(i)i( / i) by using a text label as an index unit, and forming image sorting. The step of foreground matching specifically comprises the sub-steps of S201, receiving and extracting the visual feature of a query image O; S202, determining the text feature label of the query image; S203, using images in the joint sorting index table corresponding to the text feature of the query image as the alternative matching image library of the query image O; and outputting a matching result according to the matching quantity. According to the method and system provided by the invention, the search range of the image matching is greatly reduced, and the image retrieving speed is improved.

The invention discloses intelligent electronoluminescence methods and devices, and relates to the field of fishing tackles for fishing. Multiple methods and multiple devices are included; one device is composed of a device shell, a micro circuit board and a pin type battery, wherein the device shell is made of a soft-elastic transparent material, one end of the device shell can be inserted into a floating tail, the middle of the device shell is loaded into the micro circuit board, the other end of the device shell can be inserted into a pin type battery, and the micro circuit board integrates an LED, a single chip microcomputer, an acceleration sensor and a battery socket; the devices detect the motion states of the devices through the acceleration sensors, acceleration data in the vertical direction is transmitted to a program of the single chip microcomputer in real time for analysis and adjustment, on and off of different LED are determined according to the judging results, fishermen are prompted according to different color changes, and therefore fish messages are learned. The intelligent electronoluminescence methods and devices have the advantages of being easy to use, miniature, lightweight, high in speed and precision, intelligent, capable of saving energy, easy to interpret, firm, durable and high in adaptability.

The invention discloses a rotor position detection device of a four-phase switched reluctance motor. There is only one code disc linked with an electronic rotor and one detection sensor for detecting the code disc. Six cyclic detection groups are arranged at the periphery of the code disc. Each detection group comprises a convex detection part formed by a first mechanical angle or a second mechanical angle and a concave detection part formed by the first mechanical angle or the second mechanical angle through arrangement. The detection sensor outputs a corresponding high level or low level detection signal to the convex detection parts or the concave detection parts in the detection groups, the detection signal passes through a sensor signal coding module, a coding signal processing module and a phase output logic module and the phase commutation logic signal of the four-phase switched reluctance motor is outputted. Detection of the motor rotor position can be realized by only one code disc and the hardware cost can be reduced and the detection reliability can be enhanced.

The invention discloses a wireless hotspot monitoring device and method adopting a multi-wireless hotspot monitoring technology. The wireless hotspot monitoring device comprises industrial-grade hostequipment, a wireless hotspot monitoring group, a wireless hotspot main control unit and an industrial-grade storage unit, wherein each wireless hotspot monitoring unit, the wireless hotspot main control unit and the industrial-grade storage unit are respectively connected with the industrial-grade host equipment; the wireless hotspot main control unit comprises a scheduling module, a monitoring module, a legality judgment module and a communication monitoring module, the scheduling module is connected with the monitoring module, the monitoring module is connected with the legality judgment module, and the legality judgment module is connected with the communication monitoring module. Therefore, the wireless channel in the industrial control system environment can be effectively and comprehensively monitored, legality of the wireless hot spot / wireless connection equipment can be effectively and rapidly identified, access of illegal wireless hot spots can be effectively prevented, and illegal external connection events caused by illegal access of the wireless hot spots can be completely eradicated.

The invention relates to the field of industrial carrying, in particular to an industrial stacking machine for carrying box bodies. The industrial stacking machine comprises a mechanical arm, a motor,a supporting frame, clamping devices, spring barrels, hauling ropes and a control system. The motor is mounted at one end of the mechanical arm, the supporting frame is arranged on the mechanical arm, an output shaft of the motor is connected with the supporting frame, the two clamping devices are symmetrically arranged on the two inner walls of the supporting frame, the spring barrels are arranged at the center position of the top of the supporting frame, the spring barrels are correspondingly connected with positioning plates in the clamping devices through the hauling ropes one by one, andthe control system is arranged on the supporting frame. By means of different rotating angles generated when the multiple positioning plates in the clamping devices make contact with the box bodies,the mechanical arm controls the clamping devices to move to proper positions where the box bodies are grasped, and the problem that the box bodies deviate or rotate can be solved.

The invention discloses a wireless hotspot monitoring device adopting a single wireless hotspot monitoring technology and a method thereof. The wireless hotspot monitoring device comprises industrial-grade host equipment, a wireless hotspot monitoring unit, a wireless hotspot main control unit and an industrial-grade storage unit, wherein the wireless hotspot monitoring unit, the wireless hotspotmain control unit and the industrial-grade storage unit are respectively connected with the industrial-grade host equipment; wherein the wireless hotspot main control unit comprises a monitoring module, a legality judgment module and a communication monitoring module, the monitoring module is connected with the legality judgment module, and the legality judgment module is connected with the communication monitoring module. Therefore, the wireless channel in the industrial control system environment can be effectively and comprehensively monitored, legality of the wireless hot spot / wireless connection equipment can be effectively and rapidly identified, access of illegal wireless hot spots can be effectively prevented, and illegal external connection events caused by illegal access of the wireless hot spots can be completely eradicated.

The invention discloses a buckle board test device and method, and relates to the technical field of communication. The test device comprises a test terminal, a test base plate and a test switching plate connected successively; the test switching plate is connected with a tested buckle board, a test terminal is connected with the tested buckle board via the test base plate and the test switching plate, and used to issue a test command to the tested buckle board and receive a test result reported by the tested buckle board; and the test base plate is used to provide a test circuit module whichis needed when the tested buckle board tests a hardware circuit to be tested according to the test command. Buckle board test is separated from single disc test, a tester determines the test result less difficultly, and can test multiple tested buckle boards at the same time, the test efficiency is improved, the problem that single disc test causes incomplete test of the buckle board, interferenceof a buckle board fault on single disc test is eliminated, and the first-pass yield of the single disc is improved.

The invention discloses a low-cost high-reliability position detecting device of a permanent-magnet synchronous motor. The position detecting device comprises the components of a detecting part whichsynchronously rotates along with the electrical machine, a single sensor which is coupled with the detecting part and outputs a high level or a low level according to the position state of the detecting part, and a sensor signal processing device which receives the detecting signal and calculates position information of a motor rotor. According to the position detecting device, through utilizing the single sensor, and utilizing a code disc or a rotor magnetic pole as the detecting part of the sensor, performing coding calculation on the output signal of the sensor through the sensor signal processing device, the required electrical angle and mechanical angle position of the motor is obtained, thereby well reducing cost, reducing fault probability of the sensor and difficulty in determiningthe sensor fault, and improving operation reliability.

The invention provides an input-free dynamic verification code implementation method. The method comprises the following steps: firstly, generating a tenable verification code library and an invalid verification code library at a server; secondly, when a user inputs an account number and a password at a client side, the server randomly extracting N verification codes from the tenable verificationcode library and the invalid verification code library to establish a verification code set, displaying one verification code in the verification code set in a verification code box of the client; andfinally, judging whether the logicality of the current verification code is correct or not, if not, waiting for automatic updating of the verification code by the user, and if yes, clicking submission by the user to perform a next operation interface to finish verification of dynamic verification. According to the method and the system, judgment can be carried out when a user sees the verification code, redundant input operation is not needed, the complexity of application interaction is reduced, a time length factor is increased by utilizing an extraction algorithm and a sorting algorithm when continuous identification of the verification code fails, the cracking difficulty of the client in unit time is improved, and the safe operation of the client is ensured.

The invention discloses a method and device for measuring the on-resistance of a field effect transistor. The measuring method comprises the following steps: inputting on-voltage to conduct a field effect transistor to be measured; inputting the same test current to a plurality of source pins and a plurality of drain pins of the field effect transistor chip, and measuring voltage drop correspondingly generated on each pin of the field effect transistor chip; judging whether the constant current source is in good contact with a loading line on a pin of the field effect transistor chip according to the test current and the voltage drop; according to the voltage drop, judging whether the voltage measuring meter is in good contact with a test line on a pin of the field effect transistor chip or not; and when the contact between the constant current source and the loading line and the contact between the voltage measurement meter and the test line are good, obtaining the on-resistance of the field effect transistor to be tested according to the test current and the voltage drop. According to the method and device, possible test errors in the measurement process can be easily judged, the test accuracy is improved, and the measurement method is simple.

The invention devices a multi-AIS message demodulation method applicable to satellite reception. A demodulation processing method based on a slide window is adopted; the problem that the starting and ending locations of a signal frame are difficult in judgment resulted from multi-AIS message collision is overcome; a normal method of judging a frame header before demodulation is changed into a method of searching the frame header and a frame tail after obtaining a bit sequence through demodulation; therefore, the judgment difficulty of the frame header and the frame tail is greatly reduced; stack architecture assisted multi-demodulation control is adopted; under a condition of multi-AIS message collision, multi-way signals are demodulated successfully; the frames desired to be demodulated are all demodulated; and the demodulation method is low in operation complexity and is applicable to on-satellite real time processing.

The invention discloses a set of primers and a method for identifying leech species. Use this set of primers to carry out PCR amplification on the genomic DNA of the sample to be tested. According to the amplification results, it is judged whether the sample to be tested contains or is candidate to contain the leech species of leech chinensis, Japanese medical leech or Hirudo phenanthae, effectively It is quick and easy to distinguish other leech samples.

The invention discloses a method for quickly judging the legitimacy of wireless hotspots in an industrial control environment. The specific steps of the method include Step 1: the administrator sets the wireless hotspot as a legal wireless hotspot and an illegal wireless hotspot; Step 2: receiving the new wireless hotspot information sent by the wireless hotspot monitoring unit, and writing it into an industrial-grade large-capacity storage device , for the administrator to read afterwards and determine whether the SSID and BSSID information of the wireless hotspot exists in the wireless hotspot blacklist or the wireless hotspot white list; Step 3: If the wireless hotspot does not exist in the wireless hotspot blacklist or the wireless The SSID and BSSID information of the hotspot verifies the legitimacy of the wireless hotspot by judging whether the signal strength of the wireless hotspot exceeds a preset threshold. Therefore, the present invention can not only solve the problem of legitimacy detection of wireless hotspots in the industrial control system environment, but also issue alarms, early warnings and notification messages in time, and play an active and effective security protection role for the industrial control system network.

The invention belongs to the technical field of visual positioning, and in particular relates to a visual positioning method and system. In order to solve the problem of poor robustness of existing visual positioning, the visual positioning method proposed by the present invention includes the following steps: acquiring an image at a standard positioning position; extracting edge points of the image; fitting the edge points, A fitted curve is obtained; based on the fitted curve, the coordinates of the standard positioning position in the world coordinate system are calculated. The invention finally calculates the coordinates of the standard position in the world coordinate system by processing the image at the standard positioning position and extracting the edge points. Since the features of the edge points are invariant, the visual localization method of the present invention is more robust.

The invention relates to the technical field for processing audio frequency signals, in particular to a weight-based system and a method for calculating audio frequency attention. The system comprises an initialization module, an interesting sound attention calculation module, a switch module, a disturbing sound attention calculation module and an attention fusion module, wherein the attention fusion module calculates the intermediate results of the modules so as to obtain the weight-based attention M of interesting sound and the weight-based attention N of disturbing sound, finally calculates to obtain the fusion attention Ma which is obtained after attention fusion and output the fusion attention. The invention has the advantages that a proper attention judgment threshold value of the audio frequency attention can be easily set under different total types of interesting sound, thereby reducing the difficulty of judging the audio frequency attention and increasing the accuracy of calculating and judging the audio frequency attention.

A liquid path distributing valve comprises a valve body (1) which is provided with at least two work units. Each work unit comprises one liquid inlet (11), one liquid outlet (12) and at least two interfaces (13). The liquid inlet (11), the liquid outlet (12) and the at least two interfaces communicate with each other in the valve body (1). Each liquid inlet (11) and each liquid outlet (12) are internally fitted with one check valve (2), respectively. A liquid-phase chromatographic pump with the above-mentioned liquid path distributing valve is also disclosed. The liquid path distributing valve has a simple structure and is convenient for use; and the liquid phase chromatographic pump can effectively increase the liquid feeding amount.

The present invention relates to the field of computer image retrieval, and proposes a method and system for fast matching of similar images. The method includes a background preprocessing step and a foreground matching step. The background preprocessing step specifically includes: S101, extracting an image database Visual features of each image to be retrieved in the image; S102, mapping M text feature annotations for each image to be retrieved in the image database; S103, establishing a joint sorting index table with text annotations as the index unit F i , forming an image ranking; the step of matching at the foreground specifically includes: S201, receiving and extracting a query image O visual features; S202, determine the text feature annotation of the query image; S203, use the image in the joint sorting index table corresponding to the text feature of the query image as the query image O The candidate matching image library; output the matching result according to the number of matches. The invention greatly reduces the search scope of image matching and improves the speed of image retrieval.

The invention discloses a cloud computing-based deep learning simulation consolidation method, which belongs to the field of deep learning. The cloud computing-based deep learning simulation consolidation method can improve the depth by setting an error model for the error between a data group similar to the simulation environment and ideal data. The accuracy and sensitivity of the actual operation of the learning object, in the actual fine-tuning and correction process, through the setting of the difference node and the mutual capacity correction circle outside the difference node, the determination range of the next operation data point can be continuously narrowed, and the next operation data can be effectively improved. At the same time, it can reduce the difficulty of judging the data points of the next operation, improve the overall operation efficiency of the deep learning object, and expand the depth of the simulation environment through the difference between the data group and the ideal data that are significantly different from the simulation environment. Narrow the difference between the simulation environment and the actual operating environment, and then improve the comprehensiveness of deep learning objects for deep learning.

The invention relates to a three-level space vector modulation method under multiple coordinate systems and relates to a three-level space vector modulation method applied to a middle / high-voltage inverter and a photovoltaic inverter, and a control system thereof. The control system comprises a power grid interface, a voltage-increasing device, a bus capacitor with a neutral point, a power switch device, a clamping diode, a main control system, a driving system and a three-phase load, and the power switch device form a three-phase bridge arm. The three-level space vector modulation method comprises the following specific operation steps of: a, virtually simulating a middle vector of a three-level space vector on the premise of taking an average value of a neutral point current as zero during a switch period; b, respectively calculating a coordinate of a basic vector including a virtual middle vector in coordinate systems of 30 degrees, 60 degrees, 90 degrees, 120 degrees and 150 degrees; and c, judging sector areas according the characters of a reference voltage space vector in each coordinate system. The three-level space vector modulation method under the multiple coordinate systems has the advantages of small calculation amount, capability of simply and conveniently realizing the level balance of the three-level neutral point, and suitability for multi-level space vector modulation of more than three levels.

The invention relates to a leakage detecting method of a vacuum brake device. The leakage detecting method is as follows: firstly, manufacturing a reducing joint; secondly, manufacturing a plug; next, connecting an interface at one end of the reducing joint with one end of a vacuum brake pipe of a vehicle; connecting an interface at the other end of the reducing joint with one end of a woven brake hose; then connecting the other end of the woven brake hose and an air outlet of a microcontrol single vehicle tester; connecting an air inlet of the microcontrol single vehicle tester with an air source; next, finishing closing of a brake pipeline; then starting the microcontrol single vehicle tester, and coating a foaming agent on the joint position of the vacuum brake pipe of the vehicle after ventilation; and finally, after the pressure of the air source of the microcontrol single vehicle tester is increased to 400KPa, maintaining the pressure for 3 minutes, carrying out inspection on all the joint parts and judging that the foaming parts are leaking parts. By utilizing the leakage detecting method, the technical problems of low efficiency, poor effect and damage to the vacuum brake device in the background technology are solved. The leakage detecting method has the advantages that the production efficiency is high, the judgment difficulty is low and the like.

The invention provides a spinning frame single spindle line breaking detection method based on an image analysis technology. The method comprises the steps of A, system initialization, wherein various working parameters are set and transmitted to a server, an image pickup device works, and one photograph is selected as the benchmark photograph; B, power-on work, wherein a traveling device conducts reciprocating motion, the image pickup device takes photographs at regular time intervals, and a transfer system transmits the digitized photographs taken by the image pickup device to the server; C, image processing, wherein an image receiving program in the server receives and records the photographs taken by the image pickup device, and transmits the photographs to an image processing program to conduct processing; D, line breaking judgment, wherein the current photograph is compared with the benchmark photograph, when differences between the two reach preset conditions, it is judged that line breaking failure exists, and the line breaking spindle position information is acquired by calculation; E, failure notification, wherein notification is conducted when the line breaking information is detected; meanwhile F, statistical analysis is conducted.

The invention discloses a method for quickly judging the legality of wireless access equipment in an industrial control environment. The specific steps of the method include step 1: the administrator sets the known wireless access equipment as legal wireless access equipment or illegal Wireless access device; Step 2: Receive the new wireless access device information sent by the wireless access device monitoring unit, write it into an industrial-grade large-capacity storage device, and confirm whether the wireless access device exists in the blacklist of the wireless access device. The MAC address information of the wireless access device is used to judge the legitimacy of the wireless access device; Step 3: If the MAC address information of the wireless access device does not exist in the blacklist of the wireless access device, then confirm the wireless hotspot connected to the wireless access device Whether it is an illegal wireless hotspot to judge the legitimacy of the wireless access device. Therefore, the present invention can not only solve the problem of legitimacy detection of wireless access equipment in the industrial control system environment, but also send out alarm, early warning and notification messages in time, and play an active and effective security protection role for the industrial control system network.

The uterus grasping forceps comprise a fixed forceps handle and a movable forceps handle which are rotationally connected, spring pieces are arranged on the inner side of the fixed forceps handle and the inner side of the movable forceps handle, the end portions of the spring pieces on the two sides are mutually buckled, the lower end of the movable forceps handle is rotationally connected with a rack, one end of the rack is attached to the spring pieces, and the other end of the rack is attached to the movable forceps handle. The other end of the rack extends to the position below the fixed clamp handle and is meshed with a tooth block at the bottom of the fixed clamp handle, the end of the rack is connected with the movable clamp handle through a mounting block, a driving rod is arranged on the mounting block, a driving accessory rotationally connected with the movable clamp handle is arranged on the outer side of the driving rod, and a display part is connected to the outside of the driving accessory. And the display part partially extends to the outer side of the movable clamp handle and is provided with a display strip. According to the uterus grasping forceps, the possibility that the knife head is damaged when the uterus grasping forceps are pulled out can be effectively reduced, the excision knife tube is prevented from making contact with external organs during excision operation, and hematocele suction removal of the excision part is achieved.

The invention discloses a method and a device for determining the distance of a mobile terminal based on a comparison feature Wi-Fi list. The method comprises the following steps: acquiring the feature Wi-Fi list; the feature Wi-Fi list is collected by a first mobile terminal; the characteristic Wi-Fi list comprises surrounding Wi-Fi information and target Wi-Fi information; acquiring an on-site Wi-Fi (Wireless Fidelity) list; the field Wi-Fi list is collected by a second mobile terminal; comparing the field Wi-Fi list with the characteristic Wi-Fi list; the comparison result or the distance information is prompted; wherein the distance information is determined according to the comparison result; the method for determining the distance information comprises the following steps of: 1, judging the distance information according to the number of the same Wi-Fi; the second method comprises the following steps: judging the distance information through the signal intensity of the key Wi-Fi; according to the third method, the distance information is judged according to the signal strength of the target Wi-Fi.

The invention discloses a display panel and a display device. The display panel includes a first substrate and a second substrate opposite to the first substrate; the first substrate includes a plurality of touch electrodes distributed in an array; the second substrate includes A plurality of auxiliary touch electrodes, each of which overlaps the projections of a part of two adjacent touch electrodes in a direction perpendicular to the second substrate. Wherein, the overlapping portions of the auxiliary touch electrodes and the touch electrodes have the same shape. In the display panel of the present invention, when a touch operation occurs, a coupling capacitance is formed between the touch medium and the touch auxiliary electrode, and a coupling capacitance is further formed between the touch auxiliary electrode and the touch electrode, which is equivalent to shortening the distance between the touch medium and the touch control electrode. The vertical distance between the touch electrodes, and each touch operation can correspond to more touch electrodes, which reduces the difficulty of judging the touch position and the accuracy requirements of the touch operation.

The invention discloses a judging method for speed changing box clutch faults. The judging method comprises the following steps: a. preparing a tool pin; b. setting a pressure gage; c. installing the tool pin; and d. measuring the faults. According to the judging method, the tool pin having the specific size is utilized, rapid judging of the speed changing box clutch faults is achieved, maintaining difficulty is reduced, and maintaining efficiency and accuracy are improved.