92 results about "Grid code" patented technology

A system and method for assessing performance of a software application migrated to a grid infrastructure is provided. The system comprises a grid code analyzer for generating a directed acyclic graph (DAG) corresponding to the software application by performing static and dynamic analysis; a grid task generator for reducing the DAG generated by the grid code analyzer; and a grid simulator for simulating performance of the software application on one or more predetermined grid infrastructures. The grid simulator accepts the reduced DAG as input and produces performance data as output.

The invention discloses a spatial index and cache construction method for vector data of a mobile terminal. The technical scheme is as follows: the spatial index and cache construction method comprises the steps of according to the range of a vector map, the screen size and the pixel accuracy, carrying out multi-grade grid division based on a quadtree on the vector data of the mobile terminal; according to the sizes of spatial objects, determining the grid levels of all the spatial objects and the grid range crossed by all the spatial objects; calculating codes of all the grids by the line and row numbers of the grids, establishing an index table by using the grid codes, and respectively establishing indexes for each level of grids; displaying in a staged manner for different grid levels; setting corresponding cache parameters to construct a cache model of the vector data oriented blocks and staged display; proposing a proper cache eliminating and updating strategy; and when operating the map, loading cache data, carrying out statistics on the capacity of a buffering area and executing the cache eliminating and updating strategy in proper time. The spatial index and cache construction method disclosed by the invention has the advantages that effective organization for the vector data of the mobile terminal and construction of corresponding cache are realized and the loading efficiency of the vector data is improved.

The invention belongs to the technical field of information, and in particular relates to a system for realizing a massive clothes customization supply chain grid model. The system comprises a demand grid, a core clothes enterprise E-HUB platform and a resource grid, wherein the demand grid describes the demands of each customer in spatial and geographical positions by using the parameters of demand code, creation date, customer code, grid code and the like; the E-HUB platform realizes the information integration, the business service integration and the user access of enterprises related to the clothes supply chain, transmits order information through an order Agent in a mobile Agent and selects resources by using a supply resource searching matching algorithm; and a resource grid encapsulates the related resources of the legacy systems of partner enterprisers in the supply chain into a general web service and function assembly to be invoked by the E-HUB platform. The system can automatically match resources according to the demand characteristics and the position information of customers and can increase the information processing efficiency of the supply chain; and the system can ensure that the information can be shared by the partner enterprisers in the supply chain and can meet the requirement of massive clothes customization.

The invention discloses a whole space information expression method and a whole space information system. The method includes following steps: statically describing whole space information which includes position coordinates (x, y, z) and natural attributed information of a space entity in physical world and network virtual world; adding time attribute, and adding a time identity for the space entity in a static state to realize dynamic description of the whole space information; providing place name address identity and address grid coding identity under uniform time-space standards to realize correlation and integration of different space entities based on geographic space position or range. The system comprises a space entity description module, a time identity module and a place name address description module. The whole space information expression method is used for realizing dynamic description and combining communication of all space entities having position information in the virtual world and realizing whole space information expression of geographic position, natural attribute and time-space attribute of the space entities and thematic data under the uniform time-space standards.

The invention discloses a multi-stage nine-grid locating method of spatial information. Firstly, figure orthophotoquad in the target area is made; basic grid partition for the target area is carried out, and then multi-stage nine-grid is drawn in an overlapped mode in the target area, and is respectively called the basic grid, the first-stage nine-grid, the second-stage nine-grid, the third-stage nine-grid and so forth; the nine-grid takes the basic grid as the initial grid, and multi-stage partition is carried out on the basic grid to form each-stage sub-grid; a multi-stage nine-grid code is composed of each-stage nine-grid code where sub-grids are positioned, and certain geographic element or event spatial location in the target area is determined by a grid code; at last, mutual conversion relationship of nine-grid code and space coordinate is established so as to realize multi-stage nine-grid locating of spatial information. The invention has simple code for representing geographic element or event spatial location, is in accordance with location judgment habit of people, ensures information collection to be more convenient and quicker, greatly improves work efficiency and saves cost.

The embodiment of the invention provides a grid-based high precision positioning method and device and belongs to the technical field of communication and satellite positioning. The method comprises steps of according to a spherical surface model, dividing the surface of the earth into densely-paved hierarchical grids according to the grading, and generating recognizable hierarchical grid code sets, including positioning information, corresponding to the each grade of hierarchical grids; acquiring differential information of each grid code in the hierarchical grid code sets; and outwards broadcasting the hierarchical grid code sets and the differential information sets through broadcasting stations, television stations or mobile communication base stations. According to the invention, by changing the complex serial and active service mode of "firstly requesting, then, calculating and finally, servicing" into the parallel and passive service mode of "receiving + matching", the bottlenecks in user quantity limitations of high precision position services are solved, so use cost of the users is reduced, pressure in background calculation and communication bandwidth is relieved and system safety of the service platform is improved.

This invention relates to a wind turbine having an additional mass each placed between a mounting end and a free end of at least two rotor blades. This invention further relates to a method for controlling a wind turbine with a pitch system for pitching a blade in a pitch angle and with blades with a mass for increased inertia, which wind turbine is operated in a normal operation mode in which a generator has a generator speed at a generator torque, and which wind turbine is to remain electrically coupled to a grid during a low voltage condition and with supplied current specifications, torque reference, power references, or according to a grid code.

The present invention relates to a geographic positioned coding technique of city region and component. It is characterized by that it includes the following steps: 1. dividing city region into several levels of grids, coding every-level grid and forming grid code map; 2. coding every city component in the city and forming city component code; 3. marking every city component code on the place nearby the position of city component in correspondent unit grid of grid code map so as to form city component grid code map. Said invention also provides the application range of said city component grid code map.

This invention relates to a city grid unit information managing method by means of digit technology, characterized by the following courses: first, making urban area and component grid coding map and storing it into data base; second, building information system including information collecting device, data interface transferring device, data optical fabric exchanging device and memory device, data exchanging and route device, voice switching-in device and so on; third, personnel with information collecting patrolling in regulated grid and collecting problems found out newly by the collecting device and sending them various using unit. The method can make information communicate without obstacles.

This invention provides a SAR complex image data real-time compressing method, comprising the following steps: first, dividing complex image into several blocks, compressing and encoding each unit of sub-block, two-dimension Fourier transforming the every sub-block, using sciagraphy to analyze transformed data to defining non-zero coefficient and its zone, quantizing non-zero coefficient; second, differential encoding position information in non-zero zone and setting it in the head of code stream, separately grid coding quantizing real part and imaginary part then through arithmetic encoding to form terminal code stream. The invention is characterized in meeting request of real-time and automatically compressing complex image data in space-borne system and high fidelity of phase.

The invention provides a moving target activity range recording method based on a local grid. According to the local grid, any longitude and latitude point serves as a grid starting point, the longitude line where the point is located serves as a grid center line, grid lines with the equal geographic distance are expanded towards the two sides, grid lines with the equal geographic distance are expanded in the latitude increasing direction of the starting point, a geographic space is divided into a plurality of grid units with the equal geographic distance, and a boundary is constructed to determine a grid code. Based on the subdivided grid area, the grid unit code and time information passed by the moving target are recorded in real time. According to the method, the geographic space is subdivided based on the equal geographic distance, and the longitude lines are considered as the grid center lines. The geographic distance of each grid unit can be defined, and the data storage capacity of the moving target activity range can be effectively reduced by combining a dynamic coding method and a mode of representing vector points by grid data, so that the activity range of the moving target can be visually displayed and quickly queried.

The present invention is a method for the control of power ramp-rates minimizing energy storage requirements in intermittent power generation plants, such as for example a photovoltaic solar plant, which minimizes the energy storage requirements approximately halving the size of storage systems necessary to comply with a maximum allowable ramp-rate given by a grid code regulation regarding the state of the art, reducing thus investment costs in the plant and/or carrying out a rationalized use of the energy storage system, in such a way that in order to achieve the same maximum fluctuation ramp, a minor use is done of the energy storage system, minimizing the losses and extending its working life, and therefore reducing the plant operational costs.

The invention discloses a space crowdsourcing task distribution privacy protection method and system, and the method comprises the steps that: an inner product of a task position conversion ciphertext and a worker position conversion ciphertext, and an inner product of a task demand conversion ciphertext and a worker interest conversion ciphertext are calculated through a crowdsourcing server, a task message meeting conditions is screened based on the inner products, and the task message is encrypted, signed and forwarded to a worker terminal; the worker terminal obtains a worker position grid code set; a requester terminal obtains a task position grid code set; and a crowdsourcing server performs intersection calculation on the worker position grid code set and the task position grid code set to obtain a distance, the task with the closest distance is allocated to the worker terminal, a worker can obtain the closest task which is within a specified circular range and meets the interest of the worker, and task allocation can be realized on the premise of protecting user positions and interest data privacy.

The invention discloses a method for rapidly converting geographic coordinates into spherical triangle discretization grid codes. The method comprises the following steps of inputting a longitude and latitude coordinate point P and a measuring scale of a map where the P is located; according to the measuring scale of the map, determining a target dissection level L and a control dissection layer LC of grid codes; performing recursive approaching before the control dissection layer and direct mapping after the control dissection layer; converting final row and column numbers into grid codes to be output as a result. By means of change rules of geometric properties of the spherical triangle discretization grid, on the premise of ensuring the conversion precision, the conversion efficiency of the spherical triangle discretization grid codes and the geographic coordinates can be remarkably improved, the algorithm time complexity is improved along with dissection layers and grows linearly, and the method has obvious advantages compared with traditional algorithms.

The invention discloses a digital twin city multi-scale space grid coding method and device, and the method comprises the steps: carrying out the spatial subdivision of a digital twin city space to obtain a unit space grid with the same size as a preset minimum space grid; taking the unit space grid as an initial level, iteratively amplifying the unit space grid according to a preset amplificationfactor to form space grids of different levels; and encoding the spatial grid of each level to generate a grid code of the spatial grid. Compared with the prior art, the spatial grids of multiple levels are generated and the grids of all levels are coded correspondingly, the boundary of each dimension can be reasonably given, the situation that grids do not meet the precision requirement or dataredundancy is too large due to fixed bitwise distribution is reduced, the dividing mode of the space grids is more reasonable and regular, and the method has more advantages in three-dimensional spacedisplay and three-dimensional space analysis.

The invention discloses an urban three-dimensional space grid compression coding method and device, terminal equipment and a readable storage medium, and the method comprises the steps: dividing a three-dimensional space region into a plurality of large grid regions, and dividing each large grid region into a plurality of small grid regions; extracting a to-be-counted small grid region occupied bythe space object; performing data statistics on each to-be-counted small grid region, including respectively counting an initial column number, a continuous adjacent column number, an initial row number, a continuous adjacent row number, an initial layer number and a continuous adjacent layer number of a grid occupied by each space object, and combining to generate space object interval data; converting the space object interval data into binary combination codes, and converting the binary combination codes into absolute space grid codes according to the corresponding relation between the large grid areas and the small grid areas. The size of three-dimensional space voxelized data and the size of three-dimensional space planning data can be effectively optimized, so that efficient space object retrieval and space path analysis are met.

The invention discloses a quick retrieval method and system based on space-time collision. The method comprises the steps: obtaining original data which comprises object track data; performing key information extraction on the original data to obtain an object identifier, positioning time and longitude and latitude; processing the longitude and latitude by adopting a Geohash algorithm to generatea grid code; processing the grid code, and generating a unique optimization code according to the processed grid code, the object identifier and the positioning time; data storage is carried out according to the sequence of the optimized codes, so that target data can be quickly obtained when retrieval is carried out based on the content of the optimized codes. Therefore, organization optimizationis performed on the position data before storage, so that the target data can be quickly acquired through the optimized information during retrieval, and the retrieval efficiency is improved.

The invention discloses a power distribution network multi-source data fusion method and system under typhoon disasters and a storage medium. The method comprises the steps of collecting power distribution network multi-source data under the typhoon disasters; constructing a space-time geographic grid according to the time dimension and the space dimension of the multi-source data of the power distribution network; performing consistency association matching on the multi-source data of the power distribution network; performing data gridding processing by combining the power distribution network multi-source data subjected to consistency association matching according to the space-time geographic grid; Space-time geographic grid codes are added to the multi-source data of the power distribution network one by one, and the multi-source data of the power distribution network fused in the same space-time geographic grid are extracted. According to the method, the time dimension and the space dimension of the multi-source data of the power distribution network are considered, and the change rule and the difference of different research objects are conveniently analyzed; Consistency association matching is carried out on the power distribution network multi-source data, the problem that vector data and image data are not consistent before fusion is solved, and the power distributionnetwork multi-source data fusion degree can be improved.

The embodiment of the invention provides a spatio-temporal data storage and retrieval method and device based on Beidou grid codes, equipment and a computer readable storage medium. The method comprises the following steps: acquiring spatio-temporal data; according to a fusion strategy, fusing low-level Beidou grid codes in the spatio-temporal data upwards to form high-level Beidou grid codes, andobtaining and storing the fused spatio-temporal data; establishing a Beidou grid code index of the fused spatio-temporal data according to an FST rule of the Beidou grid code index; and receiving a Beidou grid code index input by a user, and retrieving the stored fused spatio-temporal data according to the FST rule. In this way, the user retrieval speed can be increased, and meanwhile the computing pressure and the communication broadband pressure of a service provider are greatly relieved.

The invention discloses a multi-source heterogeneous non-point source pollution big data association and retrieval method based on spatial and temporal characteristics. The method comprises: obtainingtime features and space features of the multi-source heterogeneous non-point source pollution data; dividing the geographic space of the target area into a plurality of subspaces, forming initial grids, dividing the initial grid step by step to form sub-grids of all levels; coding each sub-grid; determining a spatial code of the multi-source heterogeneous non-point source pollution data; introducing a time feature code into each sub-grid code; increasing temporal dimensions, using a multi-stage gridding organization and index model; using time and space position matching, to realize data association and retrieval. The invention also provides a multi-source heterogeneous non-point source pollution big data supervision platform. Compared with the prior art, the multi-source heterogeneous non-point source pollution big data supervision platform comprehensively considers the spatial and temporal characteristics of the multi-source heterogeneous big data, facilitates the realization of data association, greatly optimizes retrieval, facilitates the real-time monitoring of data by using a crawling module, and achieves efficient retrieval and management.

The invention provides a spatial data indexing method based on GeoSOT global subdivision grid coding, and the method comprises the steps: firstly constructing a grid code based on geosot grid subdivision based on earth surface spatial data, and then obtaining the track of an interested target on a certain to-be-measured region of an interested region; the codes of the grids contained in the to-be-detected area are compared with the grid codes in the index table bit by bit, that is, the bit-by-bit operation technology is adopted for algebraic operation based on the codes, and therefore the operation efficiency is greatly improved.

The invention discloses a non-rigid grid coding, space object unique identification and query method and device, and the method comprises the steps: carrying out the binary coding of a center, at least one vertex and at least two sides of a grid after the coding method carries out the dividing of a target geographic space according to a preset tree-shaped grid structure dividing mode to obtain a plurality of grids; performing multi-scale integer coding on the positions of the grids based on the binary codes of the positions of the grids and the levels corresponding to the grids; and determining the multi-scale integer code of at least one of the rigid parent unit and the non-rigid parent unit corresponding to the grid based on the multi-scale integer codes of the positions of the grid andthe hierarchy corresponding to the grid. The encoding method is easy to perform encoding hybrid operation and has better space computing capability. On this basis, an index is established, so any space object can be identified by using a unique code, and the grid scale corresponding to the unique code is equivalent to the scale of the space object, so the correlation between the grid code and thespace object is stronger.

The invention discloses a remote sensing image processing system used for realizing the rapid processing of a remote sensing image, and comprises a space grid system module used for establishing a space grid system, wherein the space grid system totally comprises 2n levels of grids; a remote sensing image storage module used for storing grid data of grids from the first stage to the L stage of theremote sensing image, with L being a positive integer smaller than or equal to n; wherein the L-th-level grid is the maximum grid level corresponding to the remote sensing image determined accordingto the resolution; and a spatial grid scheduling module used for determining the grid codes of the grids corresponding to the query points and obtaining the grid data of the grids corresponding to thequery points from the remote sensing image storage module according to the grid codes of the grids corresponding to the query points. The invention further discloses a method and a device for establishing the spatial grid system.

The invention discloses an anti-interference method combining the Reed-Solomon (RS) code with the Trellis Coded Modulation (TCM) technique. The method comprises the following steps: (1) obtaining source data from a data source; (2) encoding the source data by an RS product encoder and a TCM encoder at a transmitting end; (3) Modulating the encoded data into a Phase Shift Keying (PSK) signal; (4) transmitting two modulation signals including an isodirectional component (I) and a quadrature component (Q) of the PSK on a communication channel; (5) receiving the transmitted signals, and carrying out Viterbi decoding, TCM recoding and comparative decision on the two signals including the I and the Q; and (6) transmitting the Viterbi decoding data and the decision information to the RS decoder for decoding, and recovering the transmitted source data. In a frequency hopping transmission system, the method better distinguishes random bit interference and burst hopping interference, improves the system error correction capability, and solves the conflict between the channel encoding efficiency and the communication reliability of the frequency hopping transmission system.