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43results about How to "The solution is not accurate enough" patented technology

Duplication elimination method based on search results of metasearch engine

The invention discloses a duplication elimination method based on search results of a metasearch engine. The duplication elimination method based on the search results of the metasearch engine is provided to solve the problems that in the prior art, duplication elimination cannot be carried out on the same web pages of URLs with different formats and redirected web pages, and sentences and articles cannot be represented fully according to information around punctuation marks, positions of the punctuation marks and fuzzy matching of word frequencies. The method comprises following steps such as 1, judging whether there are duplicated web pages or not according to URL addresses; 2, computing the title similarity of the two web pages and the abstract similarity of the two web pages; 3, computing the similarity of the web pages according to the title similarity and the abstract similarity; and 4, determining that the two web pages are duplicated if a similarity value Sim (A, B) is more than a threshold. The method can be applied to the field of duplication elimination based on the search results of the metasearch engine.
Owner:HARBIN ENG UNIV

Battery state of charge SOC correction method and device and electric automobile

The invention discloses a battery state of charge SOC correction method and device and an electric automobile, and belongs to the technical field of electronics. The method comprises the steps that the initial state of charge SOC and the first temperature value of a battery pack system at the ith moment are acquired, wherein i>0; the actual SOC of the battery pack system is determined according to the first temperature value; the theoretical SOC of the ith moment is calculated according to the initial SOC and the first temperature value through an ampere-hour integral method; and the theoretical SOC is corrected according to the difference value between the theoretical SOC and the actual SOC so that the corrected SOC corresponding to the ith moment is obtained. The problem of inaccuracy of the calculated SOC caused by the fact that the calculated theoretical SOC is directly used as the real SOC of the battery pack system when the SOC is calculated by a BMS according to the ampere-hour integral method can be solved so that the accuracy of the SOC obtained by the BMS can be enhanced.
Owner:奇瑞新能源汽车股份有限公司

Channel quality information computation method, device and system

The invention discloses a channel quality information computation method, device and system, and belongs to the field of the communication. The method comprises the following steps: a terminal receives a downlink configuration instruction sent by access network equipment; the terminal measures a reference signal source indicated by the downlink configuration instruction to obtain first channel quality information, and sends the first channel quality information to the access network equipment; the terminal sends an SRS to the access network equipment; and the access network equipment computessecond channel quality information according to the first channel quality information and the SRS. Since the first channel quality information can more accurately represent the interference situationof a downlink channel, the problem that the channel quality information of the downlink channel, obtained through the eNB computation is not accurate enough in the prior art is solved; and an effect that the second channel quality information computed by the access network equipment can accurately represent the channel quality of the downlink channel is achieved.
Owner:HUAWEI TECH CO LTD

POI coding method and device, POI recommendation method and electronic equipment

The invention provides a POI coding method, belongs to the technical field of computers, and aims at solving the problem that recommended POIs are not correct enough when POI recommendation is carriedout on the basis of POI coding as the POI coding methods in the prior art do not consider association between the POIs during the coding. The method comprises the following steps of: obtaining a POIsequence of a user operation; training a POI coding model through a deep learning-based neural network architecture according to the POI sequence; and determining a code of each POI in the POI sequence according to a POI coding vector sequence corresponding to the POI coding model. According to the method, POI feature extraction is carried out through the POI sequence generated on the basis of theuser operation, and the POIs are coded on the basis of the extracted features, so that associativity of the POIs is hidden in the POI codes, and then the correctness of carrying out POI recommendation on the basis of the POI codes is further enhanced.
Owner:BEIJING SANKUAI ONLINE TECH CO LTD

Triaxial planeness detection system and triaxial planeness detection method

The invention relates to a triaxial planeness detection system and a triaxial planeness detection method. The system comprises four parts including a basic component, a triaxial sliding mechanism, a workpiece locating platform and a laser measurement component. The triaxial sliding mechanism comprises a cross-shaped sliding table and a vertical sliding table, and the cross-shaped sliding table drives a detected workpiece to move in a horizontal range and works in cooperation with a laser measurement instrument. A measurement mode in which the workpiece moves and the laser measurement instrument is stationary is used, thus, accuracy of a measurement result is improved, and a problem that the measurement is not accurate enough when the laser measurement instrument moves and even micro vibration can cause large deviation of the measurement result is solved. The laser measurement component comprises three groups of the laser measurement instruments of which laser emitting extension lines mutually form a 90-degree included angle. By coordinated cooperation of the triaxial sliding mechanism and the laser measurement instruments, the system provided by the invention can complete measurement of side face and upper surface planeness of the measured workpiece in one work procedure, and thus, measurement efficiency is improved.
Owner:江苏省百斯特检测技术有限公司

Theme search algorithm based on body

The invention provides theme search algorithm based on a body, which comprises steps of establishing theme models based on the body; matching appropriate member search engines according to different theme models; and processing search results. The theme search algorithm based on the body is the theme search algorithm with good performance based on the body, can effectively meet different search requirements for different themes of different users, and obtains a high precision ratio under the premise of ensuring the recall ratio.
Owner:SHANGHAI DIANJI UNIV

Laser reception principle based electronic height instrument

The invention relates to a laser reception principle based electronic height instrument. The laser reception principle based electronic height instrument has much limitation on its application due to the defects that the instrument is easily disturbed externally, inaccurate and the like. The laser reception principle based electronic height instrument comprises laser emission heads, laser reception heads, a main circuit board and support rods. The support rods are used for height adjustment of the height instrument. The laser emission heads are connected with a driving board. The laser reception heads are connected with the main circuit board. According to the height instrument, touch height is detected through vertical laser arrays; when lasers at a certain height are blocked off, the laser reception heads at the corresponding height do not receive correlation laser signals, and thus, the highest touch height of a testee can be judged. By the laser reception principle based electronic height instrument, the problems of low sensitiveness, low accuracy and incapability of moving of existing height instruments are solved effectively.
Owner:HANGZHOU MADE INTELLIGENT TECH

Interference preventing method and device for laser radar, laser radar and storage medium

Embodiments of the invention provide an interference preventing method and device for laser radar, laser radar and a storage medium. The interference preventing method for laser radar comprises: transmitting at least three groups of laser pulses according to a preset time series, the preset time series comprising a fixed time series; obtaining at least three sampling data according to the receivedreturn pulses; calculating, according to the sampling data, characteristic information that the laser pulses correspond to the return pulses; and eliminating interference points of an external lightsource according to the characteristic information. By eliminating the interference points of the external light source, the laser radar accurately obtains parameters.
Owner:LEISHEN INTELLIGENT SYST CO LTD

Medical image processing method and device, computer equipment and readable storage medium

The invention relates to a medical image processing method and device, a computer device and a readable storage medium. The method comprises the steps of obtaining a lying morphological structure image of a detection object; inputting the lying morphological structure image into a generative adversarial network model to obtain a prediction image; wherein the prediction image is a standing morphological structure image of the detection object under the magnetic field intensity corresponding to the lying morphological structure image. The method solves the problem that in the prior art, a standing type magnetic resonance image obtained through a low-magnetic-field detection mode is not accurate enough.
Owner:SHANGHAI UNITED IMAGING HEALTHCARE

Target and background infrared scene simulation method

The invention discloses a target and background infrared scene simulation method. The method comprises the steps of obtaining infrared features of a target in a target and background infrared scene; And adjusting the infrared image features of the target and the background in the target and background infrared scene according to the infrared features of the target.
Owner:北京未尔锐创科技有限公司

ROI template generation method, ROI extraction method, system, device, and medium

The present application provides a ROI template generation method, a ROI extraction method, a system, an apparatus, and a medium. Wherein the ROI region extraction method includes identifying an organregion in the obtained face image; the preset ROI region template is adjusted to the edge of the recognized organ region to obtain the ROI region of the face image. The present application solves theproblem in the prior art that the area data processed in the face image processing using the ROI area template is not accurate enough.
Owner:上海中科顶信医学影像科技有限公司

Lane changing strategy determining method and device and storage medium

The invention relates to a lane changing strategy determining method and device and a storage medium, and belongs to the technical field of computers. The method comprises steps of generating a plurality of simulation paths by taking the environmental information at the current moment as a root node based on an MCTS algorithm, each simulation path comprising m layers of child nodes and transmission paths between nodes of different layers, and each transmission path being used for indicating a lane changing strategy between two adjacent layers of nodes; obtaining an accumulated quality score and access times of each child node in the plurality of simulation paths; calculating the UCB value of each child node based on the accumulated quality score and the access frequency; determining the lane changing strategy between the target child node with the maximum UCB value and the father node of the target child node as the lane changing strategy of the environment information; the problem that when the lane changing strategy is determined only according to the road environment at the current moment, the determined lane changing strategy is not accurate enough can be solved. The accuracy of determining the lane changing strategy can be improved.
Owner:知行汽车科技(苏州)股份有限公司

Floating and sinking controllable oxygenation device and control method

The invention discloses a floating and sinking controllable oxygenation device and a control method, and belongs to the technical field of water oxygenation equipment. The device comprises an aeration pump and an aeration outer pipe, the aeration pump is arranged on the upper portion of a first floating block, the aeration outer pipe is of a cylindrical structure, the upper end of the aeration outer pipe is connected with the bottom of the first floating block, and an impeller is arranged at an outlet in the bottom end of the aeration outer pipe; an aeration connecting pipe body which penetrates through the first floating block and is connected with an air outlet of the aeration pump and an auxiliary connecting ring body are arranged in the aeration outer pipe, the auxiliary connecting ring body is arranged below the impeller, a spacing distance is formed between the auxiliary connecting ring body and the impeller, and the inner ring diameter of the auxiliary connecting ring body is larger than the outer diameter of the aeration outer pipe; the auxiliary connecting ring body is connected with the outer wall of the aeration outer pipe through an auxiliary supporting frame. According to the device, the problems that traditional aeration equipment, an impeller type aeration device and an aeration device are not high in aeration efficiency and not accurate enough and waste resources are solved.
Owner:MARINE FISHERIES RES INST OF ZHEJIANG

Spark plug motor gap accurate adjusting device

InactiveCN112202052ASolve the inefficiency of gap adjustmentThe solution is not precise enoughSparking plugsSpark gaps adjustmentEngineeringElectrical and Electronics engineering
The invention discloses a spark plug motor gap accurate adjusting device which comprises a box body, an arrangement space is arranged in the box body, an adjustment mechanism is arranged in the lowerside of the arrangement space, the adjustment mechanism comprises a first sliding groove formed in the inner wall of the lower side of the arrangement space, a first sliding block is arranged in the first sliding groove in a sliding mode, and a first electromagnet is fixedly arranged in the right end surface of the first sliding block. According to the invention, spark plug fixed-gap fine adjustment work can be automatically completed, a spark plug is controlled by the motor to rotate so that the spark plug can be screwed into the threaded hole and move up and down in the threaded hole, and inthe rotating process, the spark plug side electrode is clamped into the groove; the clamping groove is right opposite to the sliding groove, so that the sliding block drives a detector to enter sideelectrode and center electrode spaces, and the sparking plug rotates at a high speed and moves to the detection mechanism through two pairs of gears with different transmission ratios.
Owner:ZHENGZHOU BIAOFU TECH CO LTD

Living body identification method, storage medium and terminal equipment

The invention discloses a living body identification method, a storage medium and terminal equipment. The living body identification method comprises the steps of: providing to-be-identified image data which comprises continuous N frames of to-be-identified images, wherein N is a positive integer greater than 1; acquiring a chrominance signal corresponding to each frame of to-be-identified image by means of a RGB signal of the image; carrying out Fourier transform on the chrominance signals to obtain N frequency domain sequences, performing recurrent neural network analysis on the N frequencydomain sequences through using a network, and acquiring heartbeat data through iteration; judging whether the heartbeat data exceeds a preset heartbeat threshold range or not, and if so, judging thatthe to-be-identified image data does not contain a living body; and when judging that the heartbeat data does not exceed the preset heartbeat threshold range, judging whether moire patterns exist in the to-be-identified image data or not, and if so, judging that the to-be-identified image data does not contain a living body, otherwise, judging that the to-be-identified image data contains a livingbody. The living body identification method solves a problem that a living body identification method in the prior art is not accurate enough.
Owner:TCL CORPORATION

Computer user representation generation method and device

The invention provides a computer user representation generation method and a computer user representation generation device. The method comprises the steps: obtaining data associated with a target user through a plurality of data sources, the data carrying data attributes; classifying the data according to the data attributes to obtain multiple types of data; respectively creating target data models for the multiple types of data; performing vectorization processing on the target data model of the multi-class data to obtain vectors of the multi-class data; summarizing the vectors of the multiple types of data; obtaining a user representation of the target user. Therefore, the method can solve the problem that the user portrait is determined in a tagging mode in the related technologies, the tag does not contain dynamic change process information, and the behavior snapshot data at a certain time point is intercepted for tag processing thereby causing the depicted user portrait to be not accurate enough in the prior art. The user is enabled to be depicted more comprehensively and accurately, and the expression capability is improved.
Owner:BEIJING MININGLAMP SOFTWARE SYST CO LTD

Environmental pollution grading method, device and equipment and storage medium

The invention relates to the field of intelligent decision, and discloses an environmental pollution grading method, which comprises the following steps: iteratively adjusting an original neural network according to waveform sampling data and corresponding early warning value domain data to obtain a target neural network; collecting original concentration waveforms of various pollutants; randomly constructing a fitting concentration waveform, and establishing a target function by using the difference between the fitting concentration waveform and the original concentration waveform; optimizing the fitting concentration waveform by using a constructed iterative formula and the original concentration waveform to obtain a target concentration waveform; and performing pollution concentration grading treatment on the waveform parameters of the target concentration waveform by using the target neural network to obtain pollution grading results of the various pollutants. The invention further provides an environmental pollution grading device, equipment and a storage medium. The invention also relates to a block chain technology, and the waveform sampling data can be stored in a block chain node. According to the invention, the problems of low pollutant detection efficiency and insufficient accuracy can be solved.
Owner:PINGAN INT SMART CITY TECH CO LTD

Range hood self-cleaning detection method based on direct-current motor driving

The invention relates to a range hood self-cleaning detection method based on direct current motor driving. According to the self-cleaning detection method, the problem that direct-current motors configured for all extractor hoods after delivery often have differences is considered; quotient processing is carried out on a threshold current measurement value obtained by processing and a delivery current value of the range hood for testing; then the obtained quotient value is multiplied by a delivery current value corresponding to the range hood after delivery; therefore, each obtained self-cleaning reminding current value automatically adapts to the ranges hood which needs to be judged and cleaned and leaves the factory, and the problems of idealization and inaccurate detection caused by idealized setting of the same threshold value for cleaning conditions of different range hoods in a traditional method are solved. In this way, the self-cleaning reminding current value obtained for therange hood after delivery is more targeted and personalized, and the problem that self-cleaning reminding detection of the range hood is not accurate enough due to different direct-current motors iseffectively solved.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Accurate geosynchronous orbit synthetic aperture radar system parameter calculation method

The invention discloses an accurate geosynchronous orbit synthetic aperture radar system parameter calculation method, which comprises the following steps: S1, obtaining a zero Doppler center through pitch-yaw attitude guidance, and obtaining a yaw angle and a pitch angle which need to be adjusted; S2, realizing attitude guidance equivalently through an antenna phase center scanning method, and obtaining an adjusted lower visual angle and an adjusted squint angle; and S3, calculating Doppler parameters according to the beam angle changing in real time. According to the method, real-time change of the beam angle in the synthetic aperture is fully considered, accurate calculation of Doppler parameters is completed, and the problem of insufficient accuracy of the Doppler parameters is solved.
Owner:NAT UNIV OF DEFENSE TECH

A Machine Learning Based Joint Friction Identification Method for Serial Robots

The invention discloses a method for identifying the joint friction force of a serial robot based on machine learning, comprising steps: S1. According to the characteristics of the joint torque displayed during the working process of the serial robot, establishing the joint friction force of the serial robot with respect to the joint rotation angle and the joint angular velocity Joint friction model; S2, conduct identification experiments on the serial robot, collect state information at each moment in the movement, the collected state information includes the indication of the joint motor encoder and the current coefficient of the joint motor; S3, use step S2 The collected state information is used to solve the unknown parameters in the joint friction model of the industrial robot established in step S1, to obtain a joint friction model considering joint angle and angular velocity, and to obtain a prediction curve consistent with the actual friction force. The invention does not need to use other equipment, has the characteristics of small difficulty in realization and low cost, and solves the problem of inaccurate models in the existing friction force theory.
Owner:SOUTH CHINA UNIV OF TECH +1

Detection method, device, electronic equipment and storage medium of traffic signs

Embodiments of the present invention provide a traffic sign detection method, device, electronic device, and storage medium. The method includes: acquiring a current image captured by a camera on a vehicle and current posture information of the vehicle; performing object detection on the current image to obtain Each first traffic sign in the first static object group is in the corresponding area of ​​the image plane; the image plane point cloud of the image corresponding to the first static object group is determined based on the corresponding area; based on the current pose information of the vehicle, the second static object group is obtained. The world coordinates of each second traffic sign; the image plane point cloud of at least one map corresponding to the second static object group is determined based on the world coordinates of some or all of the second traffic signs; the image plane point cloud based on the image and the image plane of each map The point cloud performs element matching; if the matching is successful, the attribute information of each target traffic sign is obtained from the map and the color information of each target traffic sign is obtained from the current image. Using this method, more accurate traffic sign information is obtained.
Owner:ECARX (HUBEI) TECHCO LTD

Pavement thickness detection equipment for highway engineering

The invention relates to the field of highway engineering, in particular to pavement thickness detection equipment for highway engineering. The equipment comprises a supporting base, wherein universal wheels are fixedly connected to the bottom of the supporting base, a driving motor is fixedly connected to the inner wall of the supporting base, a driving worm is fixedly connected to an output shaft of the driving motor through a coupler, and the top of the supporting base is movably connected with a first connecting shaft. According to the pavement thickness detection equipment for the highway engineering, the universal wheels are arranged, so that the supporting base can be conveniently moved, and the detection position can be conveniently adjusted. Meanwhile, the thickness of different positions of a pavement can be conveniently and synchronously detected through a detection dial indicator in the moving process, so that the accuracy of thickness detection is improved, the problem that the pavement thickness detection is not accurate enough is solved, the labor consumption of detection work is reduced at the same time, the operation convenience is improved, the working requirements of people are met, and the equipment is worthy of popularization and application.
Owner:郭献松

Sedimentary microfacies determination method and device, electronic equipment and storage medium

The invention relates to a sedimentary microfacies determination method and a device, electronic equipment and a storage medium, and relates to the technical field of oil and gas field development reservoirs, and the sedimentary microfacies determination method comprises the following steps: obtaining a planar grid distribution diagram of a research area; determining a to-be-updated sedimentary microfacies type of each grid in the planar grid distribution diagram according to the planar grid distribution diagram; determining a plurality of contact relationships of adjacent grids according to the sedimentary microfacies type of each grid; and updating the to-be-updated sedimentary microfacies type according to the plurality of contact relationships, and determining the updated sedimentary microfacies type of each grid. According to the embodiment of the invention, the problem of inaccurate sedimentary microfacies at present can be solved. The requirements of high efficiency, accuracy and quickness of reservoir fine description cannot be met; the method conforms to the drawing characteristics of the contact relation of the sedimentary microfacies, and the sedimentary microfacies canbe accurately determined.
Owner:PETROCHINA CO LTD +1

Method and device for predicting confirmed cases of infectious disease, and equipment and storage medium

Embodiments of the invention provide a method and device for predicting confirmed cases of an infectious disease, and equipment and a storage medium. The method for predicting the confirmed cases of the infectious disease comprises the following steps: acquiring historical confirmed cases corresponding to a plurality of historical times adjacent to to-be-predicted time; summing up the historical confirmed cases corresponding to the current historical times and previous target historical time, and determining historical cumulative confirmed cases corresponding to each current historical time; determining predicted cumulative cases corresponding to the to-be-predicted time according to the historical cumulative cases corresponding to each current historical time; and determining a number difference between the predicted cumulative cases in the to-be-predicted time and the historical cumulative cases corresponding to the target current historical time adjacent to the to-be-predicted time,and taking the number difference as predicted confirmed cases in the to-be-predicted time. According to the invention, the effect of improving the accuracy of predicting confirmed cases in the futureis achieved.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Liquid medicine testing device and testing method based on same

The invention discloses a liquid medicine testing device and a testing method based on the same. The testing device comprises a machine body; a bottle rack is arranged at the top of the machine body;a processor and a wiring board are arranged in the machine body; an LED indicating lamp is arranged on the front surface of the machine body; a nameplate is arranged on the back surface of the machinebody; USB interfaces, a controller interface, an MSB interface and a power junction box are sequentially arranged on one side of the back surface of the machine body from top to bottom; a measuring interface is arranged on the other side of the back surface of the machine body; a bottle fixing clamp is arranged on the bottle rack and is used for fixing two reagent bottles; the nameplate comprisesdescriptions related to a power voltage, an equipment type and a product serial number; and the two USB interfaces adopt A-type USB ports and are connected with equipment such as a printer and the like. The working efficiency of a laboratory can be better improved, and the accuracy of a liquid medicine testing result can be better realized; an automatic liquid medicine testing machine is adoptedto improve the working efficiency and realize better humanized management; and the problems that an existing testing technology is insufficiently accurate in testing result and low in testing efficiency are solved.
Owner:江门市奔力达电路有限公司
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