Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

123results about How to "Save time and labor costs" patented technology

Dam settlement monitoring method based on high-score image and lifting/lowering orbit InSAR

The invention relates to a dam settlement monitoring method based on high-score image and lifting/lowering orbit InSAR, comprising the following steps: A. dam position information extract: obtaining the high-definition image data of the dam by satellite to obtain the precise geographic position and range of the target dam surface; B. PS-InSAR deformation rate acquisition: using N SAR images acquired by satellite in the same area, selecting one SAR image as a main image, and generating a differential interferometric phase map by using DEM and orbital data to obtain DEM error and deformation rate; C. settlement rate calculation of the fused lifting/lowering orbit: according to the reflection characteristics of different regions of the dam and the geometrical distortion region, fusing the deformation monitoring method of the lifting/lowering orbit InSAR with different visual directions to obtain high-precision settlement information; and D. dam settlement information extract; performing spatial superposition operation on the obtained fused high-precision deformation field and the dam data extracted from the high-score image to obtain the settlement deformation information on the dam surface, thereby realizing the settlement monitoring of the dam.
Owner:湖南中科星图信息技术股份有限公司 +1

Human voice separation method and device, user terminal and storage medium

The invention discloses a human voice separation method and device, a user terminal and a storage medium, and relates to the technical field of audio processing. The human voice separation method comprises the steps: a sampled to-be-separated audio file sound channel is separated to obtain an initial waveform sequence; the initial waveform sequence is subjected to discrete Fourier transform to obtain an initial two-dimensional array; the initial two-dimensional array is subjected to module obtaining to obtain an initial speech spectrum; the initial two-dimensional array is subjected to phase obtaining to obtain an initial phase image; the initial speech spectrum is guided into a convolutional neural network model to obtain a mask through calculation; the mask and the initial phase image are subjected to first point multiplication operation to obtain a human voice source speech spectrum; the human voice source speech spectrum and the initial phase image are subjected to second point multiplication operation; the result of the second point multiplication operation is subjected to inverse discrete Fourier transform to obtain single human voice source audio waveforms; and the single human voice source audio waveforms are spliced to obtain stereo audio. According to the human voice separation method and device, the user terminal and the storage medium, automatic human voice separation of the audio can be achieved.
Owner:成都嗨翻屋科技有限公司

A text similarity analysis method and system for copyright authentication

The invention provides a text similarity analysis method for copyright authentication, including: obtaining an original first text content and a second text content of an alleged infringement; performing feature extraction on the first text content to generate a text feature vector; using a pre-trained vector matching model to match the first text content with a sample in a sample library according to the text feature vector to obtain a target sample, wherein the sample comprises a sample editing text and a sample original text corresponding to the sample editing text; determining a model by using a pre-trained editing rule mode according to the consistency of the text features between the sample original text of the target sample and the corresponding sample editing text, and determiningan editing rule mode; judging whether the second text content conforms to the editing rule mode according to the editing rule mode, and judging that the text is similar if the second text content conforms to the editing rule mode. The invention judges whether the litigated infringement text content belongs to the original text content obtained by certain editing process, so as to solve the technical problems of low efficiency, poor accuracy and large subjective arbitrariness existing in the prior art through manual comparison.
Owner:CHONGQING IND POLYTECHNIC COLLEGE

Data analysis method and device and computer readable storage medium

The embodiment of the invention discloses a data analysis method. The method comprises the steps of obtaining first information of a to-be-trained object determined to be a defective product and a first parameter corresponding to the to-be-trained object, wherein the first information is used for representing factor information causing the to-be-trained object to be a defective product, and the first parameter is used for representing historical production data generated by first production equipment for producing the to-be-trained object within a first preset time period; generating a defective product sample set based on the first information and the first parameter; when it is monitored that the to-be-detected object is a defective product, a second parameter corresponding to the to-be-detected object is obtained, and the second parameter is used for representing first real-time production data generated by a second production device for producing the to-be-detected object within asecond preset time period; and based on the second parameter and the inferior-quality product sample set, obtaining target factor information causing the to-be-detected object to be a inferior-qualityproduct. The embodiment of the invention further discloses data analysis equipment and a computer readable storage medium.
Owner:LENOVO (BEIJING) CO LTD

Detection system and detection method for municipal pipeline robot

The invention discloses a detection system and a detection method for a municipal pipeline robot, and relates to the technical field of pipeline robots. The detection system comprises a pipeline robot and a ground controller; the pipeline robot comprises a main body structure, a travelling mechanism and a detection device, wherein the main body structure is provided with a sealing cavity; the travelling mechanism is arranged on the main body structure, and the travelling mechanism is used for driving the pipeline robot to move; the detection device is arranged on the main body structure, the detection device comprises a CCTV detection assembly and a sonar detection assembly, the CCTV detection assembly is used for acquiring video information above the water surface of the pipeline, and the sonar detection assembly is used for acquiring sonar detection information below the water surface of the pipeline; and the ground controller is used for controlling the travelling mechanism to drive the pipeline robot to move, and is further used for receiving the video information and the sonar detection information so as to generate detection information of the pipeline. According to the detection system and the detection method, the pipeline can be comprehensively detected without the operation of removing accumulated water and accumulate silt.
Owner:中船重工特种设备有限责任公司

Preparation method of aged asphalt for on-site heat regeneration tests

The invention discloses a preparation method of aged asphalt for on-site heat regeneration tests, belonging to the field of a preparation method of asphalt mixed materials. The method comprises the following steps: firstly, collecting road surface mixture after construction heating from an asphalt road section to be constructed, extracting and recovering to obtain an asphalt binder, and carrying out an index test on the asphalt binder; then, carrying out a rolling thin-film oven ageing test on original sample substrate asphalt with the same label, blowing hot air into an oven at the flow rate of 4000ml/min under the conditions that the temperature is 163 DEG C and the rotation speed is 15r/min, and baking each group of asphalt samples for different time; carrying out the index test again, drawing a corresponding index curve according to the test result, and carrying out function fitting; comparing the fitting result with the firstly tested index value to determine a reference index, and then, computing the ageing time according to the reference; and finally, preparing the aged asphalt for the on-site heat regeneration tests by using the thin-film oven ageing method according to the ageing time. The method of the invention has the advantages of large yield, low cost, simple operation, high simulation degree of products, and the like.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Three-network redundancy high-availability network system

The invention discloses a three-network redundancy high-availability network system, which consists of a service end network system and a management end network system, wherein the service end networksystem comprises a main VPN gateway, a standby VPN gateway and a 4G gateway; the management end network system comprises a first gateway, a second gateway and an SSH reverse proxy server, wherein themain VPN gateway is in communication connection with the first gateway to form a main network channel, the standby VPN gateway is in communication connection with the second gateway to form a standbynetwork channel, and the 4G gateway is in communication connection with the SSH reverse proxy server to form a 4G network channel; the main network channel and the standby network channel are redundant to each other so as to carry out data transmission between the service end network system and the management end network system; and the 4G network channel is used for carrying out data transmission between the service end network system and the management end network system when the link states of the main network channel and the standby network channel fail, so that automatic second-level switching of the network channels is realized, and the service is not influenced when any one or two network lines are interrupted.
Owner:跨越速运集团有限公司

Induction heating straightening device and process for welding and forming T-shaped beam

The invention discloses an induction heating straightening device and process for welding and forming a T-shaped beam. The device comprises an induction heating power supply, a water-cooling copper pipe induction device, a moving vehicle and a workbench; the moving vehicle comprises a chassis, an upright post and a cross beam, wherein the upright post is fixed on the chassis, the cross beam is arranged on the upright post through a transmission mechanism, and a bolt is arranged on the cross beam and is used for connecting the cross beam and the water-cooling copper pipe induction device; the induction heating power supply is placed on the chassis of the moving vehicle; and the transverse and longitudinal movement of the water-cooling copper pipe induction device can be realized through thecross beam by means of the transmission mechanism. The induction heating straightening device and process solve the technical problems that the deformed T-shaped beam is straightened after welding, the production working hours and the process complexity are increased, and the increase of the manufacturing cost is caused in the prior art, thus greatly saving the working hours and the labor cost, and improving the production efficiency.
Owner:QINGDAO UNIV OF SCI & TECH

Measurement method of radio frequency pulse jitters

The invention discloses a measurement method of radio frequency pulse jitters and belongs to the radio frequency signal test technical field. The method comprises the following steps that: (1) radio frequency pulse signals are sampled, and sampled data are obtained and stored as a data file; (2) a software program is utilized to perform digital down-conversion and IQ demodulation on the sampled data and local oscillation signals, a modulus is solved, and digital signals of pulse envelops are obtained, and the local oscillation signals are digital signals of a corresponding radio frequency; (3) software is utilized to perform statistics, so that pulse jitter indicators are obtained, wherein the pulse jitter indicators are composed of the pulse width mean value, pulse width jitter mean value, pulse width jitter variance, maximum pulse width difference value, pulse repetition period jitter mean value and jitter variance of all pulse samples; and (4) whether the pulse jitter indicators obtained in the step (3) satisfy requirements is judged. With the measurement method of the invention adopted, the high-precision analysis of the radio frequency pulse jitters can be realized, and the statistics and quantitative analysis of a large number of pulse jitters can be also realized.
Owner:LEIHUA ELECTRONICS TECH RES INST AVIATION IND OF CHINA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products