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47 results about "Verlet integration" patented technology

Verlet integration ([vɛʁˈlɛ]) is a numerical method used to integrate Newton's equations of motion. It is frequently used to calculate trajectories of particles in molecular dynamics simulations and computer graphics. The algorithm was first used in 1791 by Delambre and has been rediscovered many times since then, most recently by Loup Verlet in the 1960s for use in molecular dynamics. It was also used by Cowell and Crommelin in 1909 to compute the orbit of Halley's Comet, and by Carl Størmer in 1907 to study the trajectories of electrical particles in a magnetic field (hence it is also called Störmer's method). The Verlet integrator provides good numerical stability, as well as other properties that are important in physical systems such as time reversibility and preservation of the symplectic form on phase space, at no significant additional computational cost over the simple Euler method.

Virtual machine (VM) realm integration and management

A hardware and operating system independent platform and / or run time architecture that implements a configuration and algorithmic based application and process for enabling multiple virtual machines or internal networked physical servers (hosts) to be organized into groups or “realms” in real time and against specific configurable metrics. The configurable metrics include one or more of the following; load or processing capacity availability, cost of CPU processing, location based on risk, importance to business continuity priority requirements, disaster recovery strength and priority, geographic location of host aligned to IP, and any other client specific or custom requirements. A realm manager balances all of these configurable metrics and creates an algorithm to address allocation. The algorithm is fully elastic, allowing for automatic opening and closing of virtual machines to accommodate any internal or external changes.
Owner:UST GLOBAL (SINGAPORE) PTE LTD

Extended range, light weight laser target designator

Pulse integration is utilized on board an optically guided missile or other ordinance device used as a part of a target designation system for extending the lock-on range of the missile by approximately 18%, when a double pulse laser is utilized to illuminate and designate the target. Pulse integration is accomplished with a recirculating delay unit which superimposes the first pulse on the second pulse, such that while the pulses add coherently, noise does not add in phase. The pulse integration technique therefore enhances the signal-to-noise ratio when the missile is at the outer limits of its operating range. When the missile is sufficiently close to the target, doublet decoding is actuated to offer countermeasure resistance. At this point, pulse integration may proceed in lieu of doublet decoding or may be dispensed with in view of the increased signal-to-noise ratio due to the close range of the missile to the target.
Owner:BAE SYST INFORMATION & ELECTRONICS SYST INTERGRATION INC +1

Intelligent guarding method based on radar and video integration

ActiveCN104821056AGet location coordinates in real timeGet the speed of movement in real timeCharacter and pattern recognitionClosed circuit television systemsRadar detectionImaging data
The invention discloses an intelligent guarding method based on radar and video integration. The intelligent guarding method comprises the steps that 1) radar monitors and video monitors are distributed in a specified monitoring area; 2) the radar monitors performs real-time monitoring, and when entering of an invasion target is monitored, the three-dimensional position coordinates of the monitored invasion target are outputted and early warning information is emitted, and the video monitored are controlled and started to acquire current synchronous images to be outputted simultaneously; 3) the three-dimensional position coordinates monitored by the radar monitors are mapped into corresponding position coordinates in the synchronous images so that radar detection coordinates are obtained; and 4) the invasion target is identified in the synchronous images according to the radar detection coordinates, and whether the invasion target is a target required to be alarmed is judged according to the image data of the identified invasion target so as to confirm alarm information. The intelligent guarding method based on radar and video integration has advantages of being simple in realization method so that intelligent identification and alarm of the invasion target can be realized and alarm accuracy rate is high.
Owner:HUNAN NOVASKY ELECTRONICS TECH

Apparatus and methods for fiber integration and registration

ActiveUS20130028554A1Maintaining shape sensing propertyLimited amountSurgical navigation systemsForce measurementFiberComputer science
Systems and methods for integrating and / or registering a shape sensing fiber in or to various instruments are described herein. Registration fixtures and registration techniques for matching the coordinate system of a fiber to the coordinate system of an elongate instrument or other device are provided. Various systems and methods for integrating a shape sensing fiber into an elongate instrument or other device are also described herein.
Owner:AURIS HEALTH INC

Virus integration site capture sequencing analysis method

A virus integration site capture sequencing analysis method includes the steps of: merging a human reference sequence and a virus reference sequence to construct a mixed reference sequence; reading sequencing data, and filtering the unqualified parts to obtain filtered sequencing data; aligning processed sequencing data to the mixed reference sequence by using a piece of alignment software to obtain an alignment result, and then processing the alignment result to obtain an alignment result for the detection of virus integration; according to the alignment result for detection of virus integration, executing the corresponding operations to obtain the virus integration related sequences; integrating alignment information of the above related sequences to obtain the coordinates of a virus integration site in the reference sequence; and integrating coordinate information of the integration sites and outputting the obtained results virus integration result. The method provided by the invention can obtain virus site integration information with high accuracy.
Owner:BGI TECH SOLUTIONS

Gas sensor array concentration detection method based on fuzzy division and model integration

InactiveCN105938116AReduce model errorImprove long-term accuracyMaterial resistanceSensor arrayData set
A gas sensor array concentration detection method based on fuzzy division and model integration belongs to the field of a gas sensor array signal processing technology. According to the method, time division of baseline drift data is carried out by a fuzzy clustering method, and a source dataset is divided into multiple sub-datasets with different drift degrees; then, regression models of different training datasets are established to obtain several sub-regression models; an optimal weight set of each sub-regression model is obtained within the training dataset, and center of clustering and optimal weight undergo fitting to obtain an optimal weight fitting function; and during the test phase, fitting weight is calculated on the basis of the optimal weight fitting function and clustering center time, and the sub-regression models integrate forecasted results of data to be tested so as to obtain the final gas concentration value. By the method, a pattern recognition model can be changed adaptively, changes of drifting can be traced, the influence of drifting on concentration detection performance is effectively reduced, and long-term accuracy of concentration measurement is guaranteed.
Owner:JILIN UNIV

Method and apparatus for increasing coherent integration length while receiving a positioning signal

A receiving method and apparatus for increasing coherent integration length while receiving a positioning signal from transmitters such as GPS satellites. In order to compensate for frequency drifts that may occur in the positioning signal, a hypothesis is made as to the frequency drift, which is inserted into the receiving algorithm. Advantageously, the length of coherent integration can be increased at the expense of reducing the length of incoherent integration while keeping the total integration length the same, the net effect of which is an increase in signal detection sensitivity. The frequency drift hypothesis has any appropriate waveform; for example, approximately linear or exponential. The hypothesized frequency drift can be inserted into the receiver algorithm in any suitable place; for example, the data block may be adjusted for the hypothesized frequency drift, alternatively the reference signal may be adjusted, or the frequency samples of either the data block or the reference signal may be adjusted.
Owner:QUALCOMM INC

Design method of intelligent substation model based on cad graphics and model integration

The invention discloses a design method for an intelligent transformer station model based on CAD (Computer-Aided Design) graph and model integration. According to the method, the design of a secondary loop and the generation of a model file of the intelligent transformer station are synchronously completed; a data object corresponds to the back of each entity, and the model can be operated by a graph, therefore, the consistency of the design of the secondary loop and the model file is ensured, and the problem that the traditional intelligent transformer station is not deep enough is solved; and synchronously the design of the transformer station model can be finished by designers not familiar with 61850 design details, the role and the function of a design organization are strengthened in the establishing of the intelligent transformer station, and the visibility in operation and maintenance of the transformer station is increased; furthermore, the method is combined with the habits of traditional designers and is used for performing graphical loop design based on an AutoCAD platform so that the operation of the designers is convenient; an IEC61970CIM model is used in a primary system to describe the model, therefore, the data supporting other applications can be exported, and the openness of the method is increased.
Owner:SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP

Method for expanding dynamic range of time-delay integration-complementary metal oxide semiconductor (TDI-CMOS) image sensor

The invention relates to an image sensor, and aims to enable the image sensor to well preserve the information of high light and low light and effectively expand a dynamic range. The technical scheme is that: a method for expanding the dynamic range of a time-delay integration-complementary metal oxide semiconductor (TDI-CMOS) image sensor comprises the following steps of: sequentially imaging object image points by using pixel units of different rows in the TDI-CMOS image sensor, inputting corresponding output signals into corresponding accumulators, and for a TDI-CMOS image sensor with N rows and M columns of pixels, regulating the exposure time of the N rows of pixels, namely once resetting each pixel within the exposure time of the pixel, wherein the final exposure time of the pixel is determined by the relative position of a resetting signal within the exposure time; and accumulating and fusing the output signals of the pixels within different exposure times in the accumulator, and outputting the processed signals. The method is mainly applied to the design and manufacture of the image sensor.
Owner:TIANJIN UNIV

Particle-based cloth simulation using verlet integration with fixed and stiff-spring constraints supporting collision detection and reaction with projectiles in sports video games

Techniques for simulating the behavior of nets in a real time three dimensional simulation are provided. In a simulated environment, a net is constructed from plurality of particles, and the particles may be laid out in a grid-like pattern. Verlet Integration is used to provide the net with cloth-like behavior in response to collisions. Adjacent particles may be constrained by fixed or stiff-spring constraints, and these constraints are used to determine the behavior of the particles in the event that one or both of the constrained particles are displaced by a collision of an object with the net. Post-integration processing is also performed to prevent ball-through-net phenomena where a ball or other object appears to pass through the net rather than merely colliding with and bounding off of the net.
Owner:ELECTRONICS ARTS INC

High-performance capturing method of wireless long-time cycle spreading code signal of navigation satellite inter-satellite link

The invention provides a high-performance capturing method of a wireless long-time cycle spreading code signal of a navigation satellite inter-satellite link. The high-performance capturing method comprises steps of: S1: carrying out orthogonal down conversion on a middle-frequency reception signal; S2: carrying out continuous data buffering on an I / Q signal; S3: carrying out parallel correlator operation on local multi-path spreading code signals after "a segment" of the I / Q signal is fully filled; S4: carrying out coherent accumulation on operation results and then storing the obtained result into "coherent integration buffer"; S5: after the "coherent integration buffer" is fully filled, returning to the step S3, and processing the next segment of the I / Q signal; S6: after the "coherent integration" is finished, carrying out modulo and square operation on the coherent integration results, carrying out incoherent accumulation on the results and then stored the obtained result into the "incoherent integration buffer" until the whole buffer cache is fully filled; and S7: after the "incoherent integration" is finished, carrying out peak value detection on integration detection results representing different phase positions in the incoherent integration buffer and judging whether the capturing is successful or not. According to the invention, resource use rate of time domain capturing can be remarkably increased and requirements on resource storage are greatly reduced.
Owner:NAT UNIV OF DEFENSE TECH

Method and system for deep integration and real-time compensation of micro-inertial measurement information

The invention discloses a method and system for deep integration and real-time compensation of micro-inertial measurement information. The method comprises the following steps: respectively acquiring angular velocity information, acceleration information and magnetic field intensity information of a study object; respectively carrying out real-time compensation on the angular velocity information, the acceleration information and the magnetic field intensity information by virtue of a deep learning method, so as to respectively obtain compensated angular velocity information, acceleration information and magnetic field intensity information; determining a first Euler angle according to the compensated angular velocity information, and determining a second Euler angle according to the compensated acceleration information and the compensated magnetic field intensity information; and determining an integration gain coefficient of a self-adaption gain method according to a mean square error of the first Euler angle and a mean square error of the second Euler angle, and integrating the first Euler angle with the second Euler angle according to the integration gain coefficient, so as to obtain the integrated Euler angle. According to the method and the system, the micro-inertial measurement precision can be increased, the stability and the reliability are high, the aging ratio is high, and the response speed is high.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +1

Comprehensive value-added service system supporting multi-service integration and method thereof

The invention discloses a comprehensive value-added service system supporting multi-service integration and a method thereof. The system comprises: a common affair processing subsystem, used for processing common affairs that all businesses have in common; a number of business subsystems, each of the business subsystem being corresponding to a business and used for processing particular affairs of the corresponding businesses; wherein, the common affair processing subsystem includes an united operation maintenance unit which is used to provide united operation maintenance for each business subsystem. Through extracting the common sections of various business systems, the system realizes the united maintenance method of various business platforms, such as united configuration, united management, united charging, united log report unit, etc., and costs of development and deployment are effectively reduced. The development period being shortened, the system enables overall reduction of hardware costs, software costs, and operation and maintenance costs, so that the goal of reducing CAPEX and OPEX is reached.
Owner:NANJING ZHONGXING XIN SOFTWARE CO LTD

Advertisement conversion rate estimation method based on time information integration model

The invention relates to an integration learning method for increasing a conversion rate effect in a historical data timeline. Historical data is segmented according to a fixed time interval. For thehistorical data in each time interval, a plurality of uncorrelated models with different structures are trained to carry out model integration. An above integration model result is taken as a new characteristic and the new characteristic is added into time interval data which is nearest to a prediction target. Integration learning model training of the second time is performed. Because of divisionindependence among the time interval data and independence of an internal model of each time interval time data, calculating resources can be fully used to carry out parallel calculation; the data isfully used and simultaneously training time is greatly shortened; and real-time model updating can be conveniently performed.
Owner:SUZHOU UNIV

Abnormal data detection method based on active learning

The invention relates to an abnormal data detection method based on active learning, and the method comprises the steps: selecting a statistical and similarity-based model and an axis parallel subspace division-based unsupervised model as a basic learner according to the comparative analysis of various basic learners; merging the data of the outlier scores judged by the base learners at the outliers and the normal boundaries, and presenting the merged data to human experts for labeling; and sampling and training a supervised binary classification model from the labeled data set and the data set generated by voting of each base learner, and applying the model to the full data set to obtain a final mining result. The invention discloses an abnormal data detection method based on active learning. An outlier integrated mining method OMAL based on active learning is provided in combination with active learning and model integration, a supervised binary classification model is trained in combination with learning results of a plurality of unsupervised base learners and human expert knowledge, and high accuracy is achieved while workload is reduced and expansibility is improved.
Owner:BEIJING INFORMATION SCI & TECH UNIV

Determination method and determination device of satellite orbit

The invention provides a determination method and a determination device of a satellite orbit. According to the determination method of the satellite orbit, a component technology in subscriber identity module card tool kit (STK) is based on, a Runge-Kutta (RFK) method and a time-integration mode of variable step-size are used, an algorithm formula of RFK 7 (8) controlled by a seventh-order integration and an eighth-order error is taken, the position and the speed of the satellite orbit are calculated, and compared with a traditional algorithm, calculating accuracy and calculating efficiency are improved. The determination method of the satellite orbit effectively resolves the problem that low calculating efficiency and calculating accuracy are caused due to big accumulated error when an existing method is used for solving an equation of satellite motion.
Owner:BEIHANG UNIV

Fabric deformation simulation method

InactiveCN105677950AFully consider stretchabilityFully consider compressibilityComputer aided designSpecial data processing applicationsSurface roughnessEngineering
The invention discloses a fabric deformation simulation method which, based on the classic spring-mass model, introduces the concept of a semi-rigid spline, and takes into full consideration of stretching property, compressing property, cutting property, bending property and surface roughness of the fabric, and effectively addresses the problem of anisotropy and superelasticity in fabric deformation simulation, and increases real sense of fabric deformation simulation. In aspect of numerical integration, compared with traditional explicit euler method and implicit euler method which have defects of slow solution speed, the method of the invention Verlet integration method which has substantial increase in velocity and computing stability. In aspect of collision treatment, the method further simplifies a collision model, and only considers collisions of "top pint-triangle" type and "edge-edge" type that occur in large amount in fabric simulation, which effectively reduces times for collision treatment and accelerates computing velocity.
Owner:ZHEJIANG BABEI NECKTIE +1

System and method for acquiring weak signals in a global positioning satellite system

A method of acquiring a weak signal includes selecting a first predetection integration time (PIT) interval for processing a digital intermediate frequency (IF) signal, selecting a number of data bit edges within the PIT, computing a plurality of coherent integrations for each data bit edge, selecting a coherent integration, which corresponds to a most likely data combination for each data bit edge, from the plurality of coherent integrations, updating an incoherent integration total for each data bit edge with the coherent integration corresponding to the selected most likely data bit combination for each data bit edge, comparing the incoherent integration total for each data bit edge with a threshold after a predetermined number of steps of the coherent integration computations and incoherent integration total updates, and identifying a code delay from the incoherent integration. The method may also include determining a code delay from an estimated Doppler shift corresponding to the identified code delay. In this method, the coherent integrations are computed using a circular correlation technique that is performed in a manner so the coherent integrations are not independent from one another in successive steps. Thus, computational efficiencies may be gained from subsequent uses of coherent integrations computed during previous steps. The circular correlation is preferably performed over intervals corresponding to the separation between data bit edges.
Owner:PURDUE RES FOUND INC

Local stereo matching method based on multi-feature integration

The invention discloses a local stereo matching method based on multi-feature integration. Firstly the Harris feature points of an input image are extracted, the matching feature points of high accuracy are obtained through feature matching, and the parallax of the matching feature points is calculated and the parallax range is estimated. As for the non-feature points, the joint matching cost is constructed through combination of the LAB color space information of the image, the invariant moment of the image and the gradient information of the image, and region matching is performed by using the calculated parallax search range so as to obtain the overall dense parallax map. The method is low in complexity, high in matching accuracy and suitable for the occasion of high real-time requirement.
Owner:SOUTH CHINA UNIV OF TECH

Control of image capture

Exposure control apparatus to control an integration period of a time-of-flight image capture sensor comprising an illumination source providing pulsed illumination at a pulse repetition frequency, in which each pixel of an array of pixels is represented by multiple pairs of tap values, each pair of tap values being indicative of light sampled according to a pulsed sampling pattern having a respective phase relationship with the pulsed illumination of the illumination source comprises a detector configured to detect, for a selected tap value of a set of one or more target pixels, a portion of that tap value which is independent of the integration period and a portion which is dependent upon the integration period; and a controller configured to select a next integration period for the image capture sensor so that for a next pixel integration of the set of one or more target pixel values, the portion of the largest tap value which is dependent upon the increased integration period is substantially equal to the difference between the required tap value and the portion which is independent of integration period.
Owner:SONY SEMICON SOLUTIONS CORP

Multi-service integration system for ocean vessels

The invention relates to the technical field of informatization, and particularly relates to a multi-service integration system for ocean vessels. The multi-service integration system comprises a plurality of video acquisition terminals and a plurality of mobile communication terminals at an access terminal side, the plurality of video acquisition terminals are connected with a POE switch through a first connecting wire, the plurality of mobile communication terminals are connected with a POE switch through a wireless AP, the POE switches are converged and connected to a convergence switch at a convergence layer, the convergence switch is connected to a core switch, the core switch is connected with an IPTV system, a voice switch, a wireless AC and a cloud storage platform, the core switch is connected to a land command center through the Internet in the end, and wired or wireless transmission services for voice, data and images are completed. The multi-service integration system provided by the invention provides voice, data and image transmission services for the ocean vessels, provides wireless network access at the same time, and realizes security monitoring.
Owner:马秋平

Inertia auxiliary multichannel mixed type vector tracking method

ActiveCN105204050AReduce adverse effectsIncrease coherent integration timeSatellite radio beaconingHybrid typeVector tracking
The invention discloses an inertia auxiliary multichannel mixed type vector tracking method which is applicable to seamless positioning in a weak GPS satellite signal environment. The method is characterized in that: an INS system is introduced, so that during the coherent integration process, generation of more accurate local recurrence carrier frequency can be facilitated by using the velocity information provided by the INS, adverse influence of Doppler frequency change to coherent integration gain is reduced, and the coherent integration time is prolonged. Compared with the traditional incoherent integration method, the method has the following advantages: in an INS / NLSVTL tracking loop, incoherent integration is realized not through calculating the quadratic sum of a plurality of continuous coherent integration in a certain tracking channel but through adopting the method in which square of coherent integration in different satellite tracking channels is summed, so that the influence of square loss is reduced; besides, sufficient gain can be obtained in integral time much shorter than that of the traditional incoherent integration method; finally, the integral time is shorter, so that the influence of Doppler frequency shift to integral gain is smaller.
Owner:SOUTHEAST UNIV

Model integration dispatching system

The invention relates to a model integration dispatching system. The model integration dispatching system comprises a basic parameter input module, a task trigger, a task allocation module and an integrated model which are sequentially connected with one another, wherein the task trigger is internally provided with an angle step size calculator, an angle accumulator and a task triggering module which are sequentially connected with one another; the integrated model is internally provided with a plurality of task function modules; the task trigger is provided with a task function list; task function names in the task function list are in one-to-one correspondence with task function modules in the integrated model. Tasks triggered by the system comprise an initialization task, an angle task and a time task, and the accuracy of the task trigger can be adjusted; compared with a traditional model integration dispatching system, the model integration dispatching system provided by the invention is more comprehensive in task triggering types, higher in universality and higher in task triggering accuracy.
Owner:GREAT WALL MOTOR CO LTD

Circle Hough transform high-speed VLSI (very-large-scale integration) structure

InactiveCN103745481ALow latency detectionLow Latency Delay DetectionImage analysisHough transformImaging processing
A circle Hough transform high-speed VLSI (very-large-scale integration) structure relates to a circle detection device, aims to solve the problem of lower detection real-time property of the existing circle detection device adopting the circle Hough transform and is realized based on an FPGA (field programmable gate array) or ASIC (application-specific integrated circuit). The circle Hough transform high-speed VLSI structure comprises an edge information extracting module for extracting the edge bitmap information in received digital image information, a ping pang-structured off-chip RAM (random access memory) for storing the extracted edge bitmap information, a circle Hough transform module for reading the edge bitmap information from the ping pang-structured off-chip RAM and obtaining the position and radius information of a standby circle by using the circle Hough transform algorithm according to the edge bitmap information, an edge RAM and standby circle FIFO (first in, firs out) ping pang structure for storing the position, and radius of the standby circle and the edge bitmap information and a circle verifying module for verifying the position and radius information of the standby circle and outputting a final detection result. The circle Hough transform high-speed VLSI structure is suitable for performing circle detection in image processing.
Owner:HARBIN INST OF TECH

Deblurring method of cone-beam CT based on line integration

The invention discloses a cone beam CT deblurring method based on line integration. Firstly, logarithmic transformation is performed on the original projection to obtain the line integral data. Then adeconvolution model based on the point spread function of the system is established in the on-line integration domain, which includes the data fidelity term to ensure the data integrity and the regularization term to control the noise intensity. The convolution kernel comes from the point spread function of the imaging system, and the rotationally symmetric one-parameter Gaussian function is usedas the model. Finally, the deconvolution line integral data is used to reconstruct the high resolution CT image. The invention uses two-dimensional deconvolution based on line integration to solve the problem of blurring effect, and rapidly and effectively improves the spatial resolution of the cone beam CT image.
Owner:ZHEJIANG UNIV

Device for setting image acquisitoin conditions, and computer program

The present invention relates to a device (303) for setting image acquisition conditions for charged particle beam devices or the like. An image integration unit (402) forms a plurality of images with a number of different integrations (number of integrations 2, 4 . . . N) from one image (number of integrations N) acquired in advance. A pattern matching unit (403) matches the patterns of each of the plurality of images having a number of different integrations with template images registered in advance and then finds a score that shows the degree of matching between images. A selection unit (407) selects a number of integrations such that any variation in the scores is contained within a prescribed allowable range. The selected number of integrations is stored in a recipe of the device. Thus, it is possible to determine the number of integrations in the recipes without having to operate the device, and to set image acquisition conditions so as to allow a minimization of the processing time while maintaining a sufficient S / N ratio.
Owner:HITACHI HIGH-TECH CORP

An Algorithm for Analyzing Lagrangian Quasi-order Structure of 2D Ocean Current

The invention relates to a two-dimensional ocean current Lagrangian coherent structure analytical algorithm. The algorithm is based on a Cauchy-Green right strain tensor, wherein the tensor is obtained in a way that a gradient obtained after particles move for a period of time in a flow field is calculated. Particle movement uses a Runge-Kutta 4 order integration method, and cubic interpolation is adopted for the flow field. In order to improve calculation accuracy, four neighbor points are added on each grid point to calculate the gradient by using a finite difference. The Cauchy-Green right strain tensor is provided with two real eigenvalues, wherein the local maximum value of the large eigenvalue and the local minimum value of the small eigenvalue are seed points of an LCS (Lagrangian Coherent Structure), and the Runge-Kutta 4 order integration is carried out in a non-corresponding characteristic vector field forwards and backwards to obtain a Lagrangian coherent structure. During integration, the direction discontinuity of a character vector is considered. The direction is always kept consistent with the direction of a previous point, and inversion is carried out if the direction differs more than 90 degrees. After one LCS is generated, the LCS seed points in a certain width range of the LCS are set to be ineffective, and an interval between the LCSs is controlled. The Lagrangian coherent structure is an important flow field topological structure, can be effectively applied to the range of ocean current, season-year changes and main flow and branch flow analysis.
Owner:OCEAN UNIV OF CHINA
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