Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
31results about How to "Reliable processing results" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Merging processing method of 2D seismic data of complex surfaces
ActiveCN102323617AImprove signal-to-noise ratioHigh resolutionSeismic signal processingLithologyImage resolution
The invention provides a merging processing method of 2D seismic data of complex surfaces, belonging to the field of data processing in geophysical exploration. The method is characterized by firstly establishing a spatial model of a 2D seismic data volume, secondly carrying out field one-step static computation on the spatial model of the 2D seismic data volume, thirdly carrying out field one-step static application, pre-stack noise elimination and fidelity and consistency processing on each 2D seismic line in the spatial model and finally improving the signal to noise ratio and resolution of a target layer. The method has the following beneficial effects: by utilizing the method to carry out merging processing on the 2D seismic data acquired in different years, when the profile is processed, the depth error is smaller than the normative index, the structural features are clear, reliable and closed, and the seismic profile which has high resolution, high fidelity and high signal to noise ratio and can more clearly reflect the structure and lithological change characteristics is processed, thus providing reliable processing result for seismic interpretation.
Owner:CHINA PETROLEUM & CHEM CORP +1
Laser-vision linked night invasion detection device
InactiveCN101976489AImprove anti-interference abilityHigh sensitivityBurglar alarmAnti invasionLaser detection
The invention discloses a laser-vision linked night invasion detection device, which realizes the detection and identification of invasion events by laser detection and active vision technology at night. The invention relates to invasion detection technology in security protection, in particular to optoelectronic and visual information processing technology-based invasion detection. The technical problems needing to be solved are to detect and identify the invasion events of pedestrians or vehicles in an environment with poor light at night, and prevent false alarms. In the device, a modulated laser beam is used as a detection light source and is matched with a photoelectric signal collector, a photoelectric signal amplifier and a photoelectric signal processor to form a front-end unit; and a camera provided with active illumination and an embedded image processor are used as a rear-end response processing unit. When the invasion events occur in a detection area, a laser photoelectric signal is interrupted to trigger an active vision system so as to realize linkage and improve the reliability of the invasion detection. The laser-vision linked night invasion detection device can be used for anti-invasion security detection around residential areas, storerooms, airports and other important places.
Owner:李原
Multi-component data joint speed analysis method based on longitudinal and horizontal wave matching
The invention provides a multi-component data joint speed analysis method based on longitudinal and horizontal wave matching and belongs to the field of geophysical exploration data processing. The method comprises the following steps: multi-parameter speed analysis is performed in a longitudinal wave field and a converted wave field synchronously by using a unified reflected wave time-distance equation of a longitudinal wave field and a horizontal wave field, and realizing synchronous contrast of speed trends of longitudinal waves and horizontal waves by using the synchronous comparison of a longitudinal wave channel set and a converted wave channel set; synchronously estimating relatively accurate vertical speed ratio of the longitudinal and horizontal waves through an indicator horizon, and obtaining accurate speed fields of the longitudinal and horizontal waves through section compression, the consistency principle of the depth and cycling speed iteration. Through the method, the converted wave seismic data can be processed accurately, and a seismic profile provided with high resolution, high fidelity and high signal-to-noise ratio, and can clearly reflect construction and lithological change characteristics can be obtained.
Owner:CHINA PETROLEUM & CHEM CORP +1
Image adjusting method and electronic equipment
InactiveCN106210507AImprove accuracyImage processing results are reliableTelevision system detailsColor television detailsComputer graphics (images)Computer vision
The embodiment of the invention discloses an image adjusting method and electronic equipment. The method comprises the steps that the first image of a first object acquired by a camera is acquired; attitude information of the camera in acquiring the first image is acquired; whether the first relationship between the attitude information and a reference direction meets the preset conditions is judged; and when the first relationship does not meet the preset conditions, the display parameters of the first image are adjusted according to the attitude information so that the second relative relationship in displaying the first image is enabled to be consistent with the first relative relationship, wherein the first relative relationship is the relative relationship of the display direction of the photographed image and the reference direction when the camera is in the reference attitude, and the second relative relationship is the relative relationship of the display direction of the first image and the reference direction.
Owner:LENOVO (BEIJING) CO LTD
Faulted electrode plate positioning detection device and method for electrolytic bath
ActiveCN104480491AReliable processing resultsImprove efficiencyElectrolysis componentsPhotography auxillary processesPhysicsElectrode
The invention relates to the technical field of image treatment, in particular to a faulted electrode plate positioning detection device for an electrolytic bath. The device comprises a thermal imager arranged above or obliquely above the electrolytic bath, wherein the thermal imager is used for acquiring an infrared thermal image of the electrolytic bath and outputting the infrared thermal image to a processing module; the processing module is used for processing the infrared thermal image to obtain the position of the electrode plate, with abnormal temperature, of the electrolytic bath. In addition, the invention further provides a corresponding detection method. According to the device, the process of acquiring the infrared thermal image of the electrolytic bath through the thermal imager, processing the infrared thermal image to obtain a pixel point with abnormal temperature and finally obtaining the corresponding electrode position is automatically carried out and a processing result is reliable; compared with manual detection, the efficiency and accuracy are greatly improved.
Owner:HEFEI GOLD STAR MECHATRONICS TECH DEV CO LTD +1
POCT (Point-Of-Care Testing) detection device and sample blending device
InactiveCN110186742ASimple process structureImprove handling safetyWithdrawing sample devicesPreparing sample for investigationPoint-of-care testingReaction tube
The invention provides a sample blending device. A sample is sent into reaction cavities arranged by levels; reaction liquid is pre-loaded in each reaction cavity; the sample is fully mixed with reaction liquid in each reaction cavity through the blending device; a liquid extraction device is arranged between two levels of reaction cavities; through a pressure extraction structure, the sample subjected to preorder blending processing is sent into the post-order reaction cavity; the tail end reaction cavity is connected with a reaction tube; and after the sample is processed by the reaction liquid in each reaction cavity, the sample is sent into the reaction tube to be subjected to nucleic acid amplification reaction. A plurality of reaction cavities are arranged to carry out level-by-levelprocessing on the sample, each reaction cavity conveys samples among different reaction cavities through the liquid extraction device capable of carrying out pressure extraction, and finally, the sample is sent into the reaction tube to be subjected to the nucleic acid amplification reaction. Different reaction cavities re arranged to carry out sample processing, the pressure extraction structureis used for carrying out sample conveying, a sample processing structure is simple, sample processing safety is improved through independent reaction cavities, and a sample processing result is reliable. The invention also provides a POCT detection device.
Owner:SUZHOU NUHIGH BIOTECH
Risk evaluation method and apparatus for integrated electric propulsion system
InactiveCN105976127AImprove computing efficiencyImprove reliabilityResourcesRisk evaluationElectric power
The invention, which belongs to the integrated electric propulsion system field, provides a risk evaluation method and apparatus for an integrated electric propulsion system. The method comprises: a risk state of an index of a sub system layer and work data of an index of a unit layer are collected; for each unit of the unit layer, a target index of the unit layer is screened by using a feature weight algorithm according to the work data of the index of the unit layer and a risk state of an index of a sub system of a sub system layer which the unit belongs to; and on the basis of the target index and the risk state of the index of the sub system of the sub system layer which the unit belongs to, training is carried out by using a rapid learning algorithm and a risk evaluation model of each unit is obtained to form a risk evaluation module group, so that a risk evaluation result of an integrated electric propulsion system is obtained. According to the method, a risk evaluation result of an integrated electric propulsion system can be obtained rapidly and accurately.
Owner:HARBIN ENG UNIV
Data processing method and device
InactiveCN108009230AReduce processing costsImprove accuracyGeographical information databasesSpecial data processing applicationsData informationData treatment
The embodiment of the invention provides a data processing method and device, which can be applied to an Arcgis platform. The data processing method includes: extracting attribute data information ofa target object from an attribute database; detecting if errors exist in the attribute data information or not on the basis of a preset data attribute standard, and converting the attribute data information into Arcgis spatial data if the errors do not exist in the attribute data information. The data processing method and device can effectively lower the data processing difficulty, and can improve the precision and the reliability of data processing.
Owner:AERIAL PHOTOGRAMMETRY & REMOTE SENSING CO LTD
Claim settlement data processing method, device and equipment and computer readable storage medium
PendingCN109801174AImprove processing efficiencyGuaranteed validityFinanceSpecial data processing applicationsSource Data VerificationInvalid Data
The invention provides a claim settlement data processing method. The method comprises the steps of obtaining first spreadsheet data of batch claim settlement cases; Verifying the first spreadsheet data in a multi-thread mode based on a preset verification rule to obtain a data verification result of each claim settlement case; based on the data verification result, displaying prompt information that the invalid data is invalid for the invalid data, and obtaining second spreadsheet data for verifying the valid claim settlement case; extracting claim settlement data of each claim settlement case one by one from the second spreadsheet data, and generating a case code for the claim settlement data of each claim settlement case; and generating case settlement information of each claim settlement case based on the claim settlement data of each claim settlement case, the case code and a preset case settlement identifier, and storing each case settlement information in a preset storage position. The invention further provides a claim settlement data processing device and equipment and a computer readable storage medium. The processing efficiency of the small claim settlement case can be improved.
Owner:PING AN TECH (SHENZHEN) CO LTD
Still water area treatment method and device
ActiveCN107677239APrevent overflowImprove processing efficiencyHeight/levelling measurementRadio wave reradiation/reflectionRadarDigital elevation model
The invention provides a still water area treatment method and device. The method comprises the following steps: classifying cloud points collected by an airborne laser radar, so as to obtain multipleground points; taking the ground points, which are located in a range wherein a target still water area is, of the multiple ground points as first ground points; collecting the ground points within apreset range around the target still water area as second ground points; finding out a target ground point with a minimum elevation value from the first ground points and the second ground points, subtracting a preset value from the elevation value of the target ground point to obtain a difference value which is used as an elevation value of the target still water area, generating an irregular triangular mesh based on the elevation value of the target still water area, and manufacturing a digital elevation model based on the irregular triangular mesh. Therefore, overflowing of the still waterarea in the manufactured digital elevation model can be avoided.
Owner:AERIAL PHOTOGRAMMETRY & REMOTE SENSING CO LTD
Molten iron desulfurizing and demagging agent spraying gun
InactiveCN101045952ABubbling is smooth and evenReduce performance loadLiquid spraying apparatusRefractoryFerrous metallurgy
The present invention relates to ferrous metallurgy technology, and is especially one kind of desulfurizing magnesium preparation spraying gun for treating molten iron in iron ladle. The spraying gun includes one gun body, one skeleton, one refractory lining outside the skeleton, one passage matched to the skeleton and with detachable bent outlet, one end nozzle of refractory material with high heat strength and screwed to the passage, and one refractory casing outside the nozzle. The present invention can ensure the stable addition of desulfurizing magnesium grain into molten iron to result in high desulfurizing effect.
Owner:刘东业
Dynamic heart rate detection method
InactiveCN108095714AReliable sensing of accelerationEasy to handleDiagnostic recording/measuringSensorsEcg signalArray data structure
The invention particularly relates to a dynamic heart rate detection method. The method comprises the following steps that 1, an initial electrocardio signal is acquired through an electrocardio detection device; an acceleration simulation signal which is generated due to exercise is acquired through a triaxial accelerometer, and the acceleration simulation signal is subjected to signal conversionto obtain a dynamic noise signal array; 2, the dynamic noise signal array in the initial electrocardio signal is removed, a valid electrocardio signal is acquired and processed through an R-wave detection algorithm, and the dynamic heart rate is obtained. According to the dynamic heart rate detection method, myoelectricity noise generated due to exercise and signals of contact noise generated when an electrode moves relative to the skin due to inertia during high-intensity exercise can be removed, the heart rate of the human body can still be effectively and accurately detected when the humanbody does high-intensity exercise or even strenuous exercise, and accordingly the application range of wearable dynamic electrocardio detection is remarkably enlarged.
Owner:中国人民解放军陆军炮兵防空兵学院
Intelligent evaluation and identification method for early damage state of rolling bearing
PendingCN112132191AImprove classification accuracyAvoid interactionImage analysisCharacter and pattern recognitionData setRolling-element bearing
The invention discloses an intelligent evaluation and identification method for the early damage state of a rolling bearing, and the method comprises the following steps: firstly carrying out the processing of an early damage vibration feature data set of the rolling bearing through employing a minimum and maximum normalization method, and obtaining dimensionless feature data; then establishing asupport vector machine decision tree, and jointly optimizing kernel parameters and penalty parameters of the support vector machine through a particle swarm algorithm; and finally, carrying out automatic classification and intelligent decision making on the rolling bearing damage state data by utilizing a parameter-optimized support vector machine to obtain a state category corresponding to each state feature data, thereby realizing accurate evaluation and identification of the early damage state of the rolling bearing. Accurate classification of the early damage state of the rolling bearing can be achieved only through a small amount of effective data, the operation time is short, the calculation efficiency is high, the evaluation and recognition result of the early damage state of the rolling bearing can be automatically given, the intelligent degree is high, and the state recognition result is accurate and effective. And an important reference basis is provided for safe operation and real-time maintenance of the bearing and equipment.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY
Document image analysis and recognition method and system
ActiveCN110991279AImprove performanceEasy to operateCharacter and pattern recognitionNeural architecturesManual annotationImaging analysis
The invention discloses a document image analysis and recognition system. The system comprises a user operation end, an interaction center, a process control end, a machine engine management end, a manual annotation management end, a machine terminal cluster and a manual terminal cluster, wherein the user operation end, the process control end, the machine engine management end and the manual annotation management end are respectively connected to the interaction center; the machine engine management end is connected with the machine terminal cluster; and the manual annotation management end is connected with the manual terminal cluster. In addition, the invention further discloses a document image analysis and recognition method. The document image analysis and recognition system has boththe efficiency of a machine and the accuracy of manual work, simple operation steps and reliable processing results are provided for users, meanwhile, a man-machine coupling mode can play a teachingrole on the machine in the continuous iteration process, and therefore, the performance of the machine is gradually enhanced, and the participation degree of the manual work is reduced.
Owner:北京灵伴未来科技有限公司
Automatic liquor removing workstation
ActiveCN101332439BReliable processing resultsImprove stabilityLaboratory glasswaresMaterial analysisPipetteComputer module
The invention discloses an automatic pipetting workstation which belongs to an automatic pipetting device for biological and chemical experiments. The system comprises such main components as a working platform, a support frame, an X-axis precision electric-controlled flat pipetting table, an X-axis drive motor, an X-axis auxiliary guide, a Y-axis overarm brace, a Y-axis guide column, a Y-axis screw rod, a manipulator module, an electric cabinet, a computer, etc. The working platform is provided with a pipette tip recovery zone and can be provided with a pipette tip storage module, a sample storage module and the like as required. The automatic pipetting workstation has the advantages of less cross contamination, high precision, simple and convenient operation, good flexibility, high efficiency, strong applicability, low use cost, etc.
Owner:上海裕隆生物科技有限公司
Merging processing method of 2D seismic data of complex surfaces
ActiveCN102323617BImprove signal-to-noise ratioHigh resolutionSeismic signal processingLithologyImage resolution
Owner:CHINA PETROLEUM & CHEM CORP +1
Tongue picture drawing method mixed with color and space information
InactiveCN102496026AStrong applicabilityThe method is scientific and reasonableImage analysisCharacter and pattern recognitionDigital cameraBrightness perception
A tongue picture drawing method mixed with color and space information includes 1 utilizing a digital camera to right face the face, the teeth, the lips and the tongue body of a patient for photograph; 2 searching any starting pixel close to color harmony and brightness of a tongue picture in the pictures, enabling the starting pixel to serve as a target area and ordering the color harmony of adjacent pixels in the target area according to similarity; 3 selecting pixel having smallest color harmony characteristic difference with the target area according to above ordering results and adding the pixel into a data structure of the target area; and 4 repeating the above process till all the adjacent pixels satisfying the above constraint condition into the target area to achieve the effect that the final target area is an extracted tongue picture area. The method is high in accuracy, good in reliability, strong in practicability, low in cost and capable of quickly extracting furred tongue pictures and non-furred tongue pictures.
Owner:JIANGXI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
A Satellite-Oriented Rotational On-board Computer Fault Tolerance System
ActiveCN104731670BImprove reliabilityImprove real-time performanceRedundant hardware error correctionOn boardState pattern
A switch type on-board computer tolerant system facing a satellite comprises a control module, a storage module and three single machines, the control module comprises a control unit and a voter, the control module obtains state information parameters from the outside world to set the state modes of the three single machines and sets a current tolerant system working mode after receiving task major parameters sent by the three single machines, and the voter conducts voting after reading the processing results of the three single machines from the storage module and outputs the most of the same results; the three single machines obtain on-board task data, extract task major parameters, send the task major parameters to the control unit, conduct processing on the on-board task data, and send the processing results to the storage module; the storage module receives the processing results of the three single machines and conducts storage. By means of the switch type on-board computer tolerant system facing the satellite, the task level and the backup idea are fused, the real-time performance and the reliability are achieved, the problems that transient faults and permanent faults may occur in the on-board computer can be well solved, and the service time of a system is prolonged.
Owner:BEIJING INST OF SPACECRAFT SYST ENG
Tongue picture drawing method mixed with color and space information
InactiveCN102496026BOvercome the disadvantage of not being able to extract the mossy tongueNo human intervention requiredImage analysisCharacter and pattern recognitionFurred tongueBrightness perception
A tongue picture drawing method mixed with color and space information includes 1 utilizing a digital camera to right face the face, the teeth, the lips and the tongue body of a patient for photograph; 2 searching any starting pixel close to color harmony and brightness of a tongue picture in the pictures, enabling the starting pixel to serve as a target area and ordering the color harmony of adjacent pixels in the target area according to similarity; 3 selecting pixel having smallest color harmony characteristic difference with the target area according to above ordering results and adding the pixel into a data structure of the target area; and 4 repeating the above process till all the adjacent pixels satisfying the above constraint condition into the target area to achieve the effect that the final target area is an extracted tongue picture area. The method is high in accuracy, good in reliability, strong in practicability, low in cost and capable of quickly extracting furred tongue pictures and non-furred tongue pictures.
Owner:JIANGXI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
Method for eliminating orientation uncertainty of geologic body outside well based on eccentric measurement of dipole acoustic logging instrument
PendingCN114779345ASolve the technical problem of 180° uncertain azimuthReliable processing resultsSurveySeismology for water-loggingPhase differenceAcoustics
The invention discloses a method for eliminating out-of-well geologic body orientation uncertainty based on eccentric measurement of a dipole acoustic logging instrument, and the method mainly comprises the steps: carrying out the eccentric measurement of an orthogonal dipole acoustic logging instrument in a well, separating out an out-of-well reflection signal from collected four-component data, and carrying out the migration imaging; forming a synthetic signal SH transmitted and received in the phi direction by using the four-component reflected signals, and changing the phi value to obtain an angle phi0 when the SH reaches the maximum amplitude; synthesizing signals Ns1 and Ns2 by using the four-component reflection data, and comparing phase differences of the signals Ns1 and Ns2; establishing a law chart that the phase difference between the Ns1 and the Ns2 changes along with the orientation of the reflector; judging the real orientation of the reflector and converting the real orientation to a fixed coordinate system; and carrying out migration imaging on the maximum amplitude signal SH (phi0), and determining the distance from the reflector to the well. According to the method, the azimuth 180-degree uncertainty in dipole transverse wave far detection is eliminated through eccentric measurement of an existing instrument, and the economical efficiency and the practicability are high; and the amplitude and phase information in the four-component reflection signal is comprehensively utilized, so that the processing result is more accurate.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Method and device for risk assessment of integrated electric propulsion system
InactiveCN105976127BImprove computing efficiencyImprove reliabilityResourcesControl engineeringSystem risk
The invention, which belongs to the integrated electric propulsion system field, provides a risk evaluation method and apparatus for an integrated electric propulsion system. The method comprises: a risk state of an index of a sub system layer and work data of an index of a unit layer are collected; for each unit of the unit layer, a target index of the unit layer is screened by using a feature weight algorithm according to the work data of the index of the unit layer and a risk state of an index of a sub system of a sub system layer which the unit belongs to; and on the basis of the target index and the risk state of the index of the sub system of the sub system layer which the unit belongs to, training is carried out by using a rapid learning algorithm and a risk evaluation model of each unit is obtained to form a risk evaluation module group, so that a risk evaluation result of an integrated electric propulsion system is obtained. According to the method, a risk evaluation result of an integrated electric propulsion system can be obtained rapidly and accurately.
Owner:HARBIN ENG UNIV
Method, device and system for processing behavior information of shopping guide
InactiveCN107609567AReliable processing resultsAccurate mental stateCharacter and pattern recognitionMarketingProcess behaviorComputer science
The invention provides a method, device and system for processing behavior information of a shopping guide. The method, device and system provided by the invention take audio and video information andat least one kind of state information into account when the behavior information of the shopping guide is processed. The method, device and system provided by the invention not only can be used to process the behavior information of the shopping guide to achieve the purpose of supervising the behavior of the shopping guide, but can also manage the behavior of the shopping guide based on a processing result. In addition, the method, device and system provided by the invention take the audio and video information and at least one kind of state information into consideration when the behavior of the shopping guide is processed, so the processing result can more reliably and accurately reflect the shopping guide behavior and the state of mind of the shopping guide.
Owner:李晨翱
Device and method for positioning and detecting faulty plate of electrolyzer
ActiveCN104480491BReliable processing resultsImprove efficiencyElectrolysis componentsPhotography auxillary processesThermodynamicsElectrolytic cell
The invention relates to the technical field of image treatment, in particular to a faulted electrode plate positioning detection device for an electrolytic bath. The device comprises a thermal imager arranged above or obliquely above the electrolytic bath, wherein the thermal imager is used for acquiring an infrared thermal image of the electrolytic bath and outputting the infrared thermal image to a processing module; the processing module is used for processing the infrared thermal image to obtain the position of the electrode plate, with abnormal temperature, of the electrolytic bath. In addition, the invention further provides a corresponding detection method. According to the device, the process of acquiring the infrared thermal image of the electrolytic bath through the thermal imager, processing the infrared thermal image to obtain a pixel point with abnormal temperature and finally obtaining the corresponding electrode position is automatically carried out and a processing result is reliable; compared with manual detection, the efficiency and accuracy are greatly improved.
Owner:HEFEI GOLD STAR MECHATRONICS TECH DEV CO LTD +1
Thermal fluid image processing method and system, terminal and medium
PendingCN113689455AReduce sensitivityGood versatilityImage analysisCharacter and pattern recognitionEngineeringHistogram of oriented gradients
The invention provides a thermal fluid image processing method and system, and the method comprises the steps: firstly extracting the features of a histogram of oriented gradients, then calculating the feature difference of the histogram of oriented gradients, and then carrying out the binarization, segmentation, contour extraction and other operations. The method comprises an algorithm for correcting and updating a dynamic background. Meanwhile, the invention provides a corresponding terminal and a medium. The difference between the target area to be detected and the background area can be increased by extracting the histogram characteristics of the oriented gradients of the target area to be detected and the background area. The invention can be applied to the field of thermal fluid image processing, target identification, edge detection and segmentation are performed on the to-be-detected area and the background area, the nvention has advantages under the conditions that the difference between the to-be-detected target and the background is small and the background changes along with frames, and the invention is low in parameter setting sensitivity and good in universality. The invention can be oriented to different cases, working conditions and optical systems, programs are easy to implement, the processing speed is high, and results are accurate and reliable.
Owner:SHANGHAI JIAO TONG UNIV
Analysis method for actually measured pressure data in hydraulic transient process
ActiveCN114662278AReliable processing resultsHigh precisionData processing applicationsCharacter and pattern recognitionTime domainPower station
The invention discloses a method for analyzing actually measured pressure data in a hydraulic transient process, which relates to the field of electric power and comprises the following steps of: extracting mean pressure to obtain instantaneously changed pressure fluctuation data; performing time-domain grid distribution division on the obtained pressure fluctuation data to divide the pressure fluctuation data into a plurality of time grid regions, analyzing the pressure fluctuation data in each time grid region by using an empirical cumulative distribution function to obtain probability distribution of each data, performing confidence probability processing, and combining processed data groups of each time grid region to obtain the probability distribution of each data; obtaining processed pressure fluctuation data; the average pressure is added back to the processed pressure fluctuation data, and the total pressure data subjected to confidence probability processing in the whole time domain are obtained.According to the method, the test actual measurement extreme value result and the transition process pressure change process can be well evaluated, the draft tube pressure fluctuation process can be well analyzed and evaluated, safe and stable operation of a unit is ensured, and the reliability of the draft tube is improved. And a solid technical guarantee is provided for safe and stable operation of a power station.
Owner:DONGFANG ELECTRIC MACHINERY
Still water treatment method and device
ActiveCN107677239BPrevent overflowImprove processing efficiencyHeight/levelling measurementRadio wave reradiation/reflectionPoint cloudTriangulation
The present invention provides a method and device for processing still waters. The method includes: classifying the point cloud collected by the airborne laser radar to obtain a plurality of ground points; among the plurality of ground points, the ground points located within the range of the target still waters As the first ground point; collect the ground points in the preset range around the target still water as the second ground point; find out the target ground point with the minimum elevation value among the first ground point and the second ground point, and use the target ground point The difference obtained after subtracting a preset value from the elevation value of the target still water area is used as the elevation value of the target still water area, and then an irregular triangular network is generated based on the elevation value of the target still water area, and a digital elevation model is made based on the irregular triangular network. In this way, still water overflow in the produced digital elevation model can be avoided.
Owner:AERIAL PHOTOGRAMMETRY & REMOTE SENSING CO LTD
A Multidimensional NMR Molecular Diffusion Coupling Imaging Method
ActiveCN109507221BShorten experiment timeAvoid the problem of poor acquisition signalAnalysis using nuclear magnetic resonanceVoxelPulse sequence
The invention relates to a multidimensional nuclear magnetic resonance molecular diffusion coupling imaging method, which comprises the following that S1: a nuclear magnetic resonance pulse sequence is designed to realize measurement of a sample to be tested, and nuclear magnetic resonance signal acquisition of the sample to be tested is completed; S2: the acquired nuclear magnetic resonance signal is subjected to nuclear magnetic resonance data processing and analysis to obtain local voxel molecular diffusion coupling information; S3: the layer selection gradient, phase encoding gradient andfrequency encoding gradient are adjusted to obtain molecular diffusion coupling distribution of the sample to be tested under different spatial positions, and the molecular diffusion coupling distribution under all the spatial positions is reconstructed to obtain three-dimensional molecular diffusion coupling imaging results of the sample to be tested. The method of the invention avoids the problem of collecting signal difference caused by the very short relaxation time of biological tissue or material, and uses CPMG echo string in the acquisition process to add the signal amplitudes of different echoes together, and further to improve the signal to noise ratio of the signal, and to ensure the accuracy and reliability of the processing results.
Owner:INSITUTE OF BIOPHYSICS CHINESE ACADEMY OF SCIENCES
A Joint Velocity Analysis Method Based on Multi-component Data Based on P-S Wave Matching
The invention provides a multi-component data joint velocity analysis method based on longitudinal and shear wave matching, which belongs to the field of geophysical exploration data processing. The method utilizes the unified reflected wave time-distance equation of the longitudinal and transverse wave fields to simultaneously perform multi-parameter velocity analysis in the longitudinal and converted wave fields, and utilizes the synchronous comparison of the longitudinal and converted wave gathers to realize the synchronous comparison of the velocity trends between the longitudinal and transverse waves; Using the marker horizon, the relatively accurate vertical velocity ratio of the longitudinal and transverse waves is estimated synchronously, and through section compression, using the principle of consistent depth, the cycle velocity iteration is used to obtain the accurate longitudinal and transverse wave velocity field. By using the invention, the converted wave seismic data can be accurately processed, and a seismic section with high resolution, high fidelity, high signal-to-noise ratio and can clearly reflect the change characteristics of structure and lithology is obtained.
Owner:CHINA PETROLEUM & CHEM CORP +1
A Method of Microcontact Characteristics and Image Thresholding Based on Morphological Features
InactiveCN103366377BReliable processing resultsGet contact propertiesImage analysis3D modellingDot matrixImaging processing
Owner:BEIHANG UNIV
Multi-component seismic data processing method
ActiveCN102854526BHigh resolutionImprove fidelitySeismic signal processingWave equationCorrection technique
The invention provides a multi-component seismic data processing method and belongs to the field of geophysical prospecting data processing. The method includes: using a first arrival intelligent pickup and chromatographic static correction technique for primary static correction of multi-component seismic data, and obtaining pre-stack seismic data capable of clearly reflecting structural and lithological change characteristics by means of pre-stack denoising, high-fidelity processing and deconvolution; obtaining an accurate velocity field according to the correspondence relation between longitudinal waves and converted waves, and stacking the pre-stack seismic data to obtain stacked profiles of multi-component seismic data; and using the F-X domain wave equation finite difference offset technique to improve transverse resolution, and obtaining offset profiles of the multi-component seismic data. By the aid of the multi-component seismic data processing method, converted wave seismic data can be processed by universal longitudinal wave software, and high-resolution high-fidelity and high-signal-to-noise-ratio seismic profiles capable of clearly reflecting structural and lithological change characteristics are obtained.
Owner:CHINA PETROLEUM & CHEM CORP +1
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com