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1247results about How to "Reduce the number of operations" patented technology
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Error correction method and error correction device of characters
ActiveCN101710262AReduce the number of operationsImprove error correction efficiencyInput/output processes for data processingCorrection methodComputer engineering
The invention discloses an error correction method and an error correction device of characters. The method comprises the following steps: determining coded character strings to need be performed the error correction of the characters; receiving an error correction instruction event, and determining a first coded character set to be modified in the coded character strings according to the error correction instruction event; and receiving an error correction instruction, and performing the error correction operation instructed by the error correction instruction on the first coded character set. The method and the system can improve the character error correction efficiency in the process of inputting the characters.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD
Information display method and device, and terminal
ActiveCN107256109AReduce the number of operationsImprove the efficiency of human-computer interactionWeb data indexingCharacter and pattern recognitionOperational systemEngineering
The embodiment of the invention provides an information display method and device, and relates to the field of human-computer interaction. The method is applied to a terminal which is provided with an operating system and an application. The method comprises the following steps that: displaying the user interface of the application, wherein the user interface comprises at least one interface element; receiving a first selection operation triggered on the user interface; according to the first selection operation, selecting a target interface element in at least one interface element; and through the operating system, carrying out overlapping display on search result information in the local area of the user interface, wherein the search result information corresponds to the target interface element. The invention only needs one selection operation to obtain the search result information of the target interface element so as to simplify six search steps in the relevant art into a small quantity of search steps, the operation frequencies of the user in a search process are reduced, and efficiency for carrying out human-computer interaction between the user and the terminal is improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Historical data storage and indexing method
ActiveCN104090987AImprove caching capacityAvoid lossSpecial data processing applicationsDatabase indexingData accessData store
The invention discloses a historical data storage and indexing method and belongs to the field of real-time historical databases. According to the characteristics of industrial historical data storage formats, a simple and efficient historical data storage method and an efficient indexing mechanism are given. According to the historical data storage method, on the one hand, the I / O of a magnetic disk is reduced as much as possible by performing compression and cache on historical data and optimizing the data archiving sorting process; on the other hand, the I / O load of the magnetic disk in the data archiving sorting process is distributed to all time points in a balanced mode, and thus it is guaranteed that the requirement for storage of current historical data is met, and meanwhile the storage method has the dynamic extension characteristic. Through the indexing mechanism, the historical data can be fast accessed, and when a database is dynamically extended, the system can be not influenced by data access by dynamically modifying indexing files.
Owner:HUAZHONG UNIV OF SCI & TECH
High-efficiency streaming media playing method and device
InactiveCN102868908ADynamic buffer implementationQuick play effectSelective content distributionData streamCommunications protocol
The invention provides a high-efficiency streaming media playing method and a high-efficiency streaming media playing device. The method comprises the steps: establishing connection with a streaming media server; reading preset data from the steaming media server; analyzing the preset data according to a communication protocol of the steaming media server to acquire related parameter information; calculating the size of a buffer zone practically distributed according to the related parameter information, and then applying a memory with size equal to that of the buffer zone as a playing buffer zone; reading data stream from the steaming media server; storing the data stream to the playing buffer zone; and decoding and playing the data stream in the playing buffer zone according to the type of the steaming media. According to the scheme, steaming media at different code rates and in different network environments can be dynamically buffered by adopting a dynamic buffering management mode through analyzing the related parameters of the steaming media data to determine the size of the buffer zone, and an effect playing high-code steaming data fast can be fulfilled with lower component configuration.
Owner:HARBIN RONGZHIDA NETWORK TECH
Method for rapidly reinforcing color image based on Retinex theory
InactiveCN101303766AReduce the number of operationsEnhancement effect is goodImage enhancementDistortionSelf adaptive
The invention discloses a rapid color image enhancement method based on Retinex theory. In the method, firstly, a new color space is structured, thus simplifying the complicated operation in format conversion and also ensuring bright color; secondly, the convolution operation is simplified into averaged value calculation by pre-structuring an average template, thus greatly reducing operation frequency; finally, in the post-treatment stage of the image, the distribution of the pixel value is adjusted through the adaptive parameter selection. The adoption of the invention can greatly reduce operation frequency, enhance the processing efficiency and effectively avoid the phenomenon of color distortion possibly existing in the ordinary multi-scale Retinex method. The method is in particular suitable for rapid and enhancement processing of images in the weather such as fog, mist, etc.
Owner:BEIHANG UNIV
System and method of network payment
ActiveCN101231722AReduce the number of transfersReduce the number of operationsPayment architectureBuying/selling/leasing transactionsPaymentUser needs
The invention discloses a centralized processing method for scattered data, as well as an application thereof. The invention which is applied as a network payment method as well as a system thereof solves the problem in the prior mode that the scattered data cause repetitive operations during the treating process, thereby occupying the network resources and consuming the transmission time, as well as the problems of complicate operation and easy error, which are caused by the prior payment service that a user needs to pay for each order in the real application. The method comprises the following steps that: the scattered data are received, and are temporarily stored; the characteristic information in the scattered data is identified; the scattered data with the same or the corresponding characteristic are sent out to a processing system in a centralized way; the processing system treats all scattered data with the same or the corresponding characteristic in a unified way. The invention sends out the scattered data with the same or the corresponding characteristic in a unified way, thereby reducing the times of the network transmission, and saving the network resources and the transmission time. Besides, a plurality of processing operations can be executed at one time, thereby greatly saving the operation time and improving the treatment efficiency.
Owner:ALIBABA GRP HLDG LTD
Method for adding application icon and method and device for removing application icon
InactiveCN103076976AReduce the number of operationsImprove efficiencyDigital data processing detailsInput/output processes for data processingComputer terminalMultimedia
Owner:HUAWEI DEVICE CO LTD
Method for abstracting tea seed oil from camellia oleifera seed
InactiveCN101096612AReduce the number of operationsQuality controllableEnzymesFatty-oils/fats productionCamellia oleiferaSlurry
The invention discloses an extracting method of tea seed oil from tea seed, which comprises the following steps: adopting tea seed core as raw material; grinding to add water to stir into slurry; adding amylase or / and cellulose enzyme to enzymolyze; separating to obtain the product. The invention improves the oil-out rate more than traditional extracting method, which remains more non-oil nourishing element.
Owner:HUNAN AGRICULTURAL UNIV
Multi-object optimized power supply recovery reasoning and searching method
ActiveCN102136721ACalculation speedMeet real-time requirementsEmergency protective arrangements for automatic disconnectionEmbedded systemMulti-objective optimization
The invention relates to a multi-object optimized power supply recovery reasoning and searching method, comprising the following steps: isolating the failure; dividing 'an inland area' in an unfailure power failure area; initially searching a power supply recovery path; effectively filtering; searching the power supply recovery path in the scheme; and verifying the electric equipment. The reasoning method provided by the invention needs not carry out large-scale traversal computing, and can automatically balance the transferring burdens on each path on the premise of fully utilizing the transferring capacity of each power supply recovery path; and the switching operation times are reduced, and a cutting load scheme can be directly obtained in the process of reasoning and searching.
Owner:CHINA ELECTRIC POWER RES INST +1
Method for measuring distance and height by vehicle-mounted monocular camera based on vertical type target
InactiveCN103487034AReduce the possibility of errorReduce the number of operationsOptical rangefindersUsing optical meansTemplate matchingRegion of interest
The invention discloses a method for measuring distance and height by a vehicle-mounted monocular camera based on a vertical type target, and belongs to the technical field of intelligent vehicle environmental perception. Through the operations of template matching, candidate point clustering and screening and accurate positioning on a region of interest of a vertical type target image, the method realizes the detection and the positioning of a sub pixel level angular point, combines a projective geometry model, and creates a mapping relation between an image ordinate and an actual imaging angle, thereby realizing the measurement of the distance and the height. The inner and outer parameters of the camera are not needed to be calibrated, a calibrating board or a reference object is not needed to be placed repeatedly, the possibility of the occurrence of error is reduced, and not only are the operation steps reduced, but also the measuring accuracy is improved; compared with the conventional corner detection, the target point of the target can be detected more accurately, so that the calculated amount of the follow-up clustering and screening is reduced, the height measure of the monocular camera is realized on the basis of calculating the actual imaging angle and distance, and the cost is greatly reduced.
Owner:BEIHANG UNIV
Communication method for multiple vehicles, vehicles and server
InactiveCN107241680AReduce the number of operationsSave resourcesRoad vehicles traffic controlParticular environment based servicesSoftware distributionDirect communication
The invention discloses a communication method for multiple vehicles, vehicles and a server. The method comprises the following steps: selecting a first vehicle in the multiple vehicles as primary equipment in communication with the server, wherein the first vehicle communicates with other vehicles in the multiple vehicles through a first communication mode, and the primary equipment communicates with the server through a second communication mode; and using the first vehicle as at least one node in the other vehicles which is in communication with the server. According to one embodiment of the invention, the problem that when failures occur during direct communication between any vehicle in the other vehicles and the server, the failures cannot be reported is avoided; and besides, the server no longer needs to distribute update software one by one to each vehicle, and only needs to distribute the update software to the first vehicle and then the first vehicle forwards the update software to each vehicle, so that the number of operations of the server is reduced and less server resources are occupied.
Owner:BEIJING MOBIKE TECH CO LTD
Knowledge graph-based case retrieval method, device and equipment, and storage medium
PendingCN111241241AImprove usabilityFirmly connectedNatural language translationSemantic analysisTheoretical computer scienceEngineering
The invention relates to the field of big data, discloses a case retrieval method, device and equipment based on a knowledge graph and a storage medium, and improves the availability of a case retrieval system. The method provided by the invention comprises the following steps: preparing a template; constructing a legal case knowledge graph according to the text information; carrying out random walk sampling on node set data constructed according to the legal case knowledge graph; acquiring multiple sequence data, training the model through a word transformation vector algorithm based on the plurality of pieces of sequence data, obtaining an updated target model, obtaining target text information, analyzing the target text information through the target model to construct a knowledge graphto be retrieved; and retrieving in the legal case knowledge graph according to the to-be-retrieved knowledge graph to obtain case information associated with the to-be-retrieved knowledge graph, andobtaining output case information according to the first similarity and the second similarity of the case information.
Owner:PING AN TECH (SHENZHEN) CO LTD
Menu displaying method and apparatus
ActiveCN104484099AReduce the number of operationsShorten the timeInput/output processes for data processingHuman–computer interactionFrequent use
The embodiment of the invention discloses a menu displaying method and apparatus. The menu displaying method includes the steps of obtaining operation information of a menu in a device of a user; determining the priority of the menu according to the operation information; displaying the menu on a display interface of the device according to the priority. The menu displaying method and apparatus can display a menu frequently used by the user in priority to avoid entering the menu to be operated through sequential selection by following the tedious original menu set when the user operates, thereby reducing the number of operation times of an interface of the device of the user and saving operation time of the interface of the device of the user.
Owner:GREE ELECTRIC APPLIANCES INC
Information sharing method and device for instant messaging
ActiveCN102724138AReduce the number of operationsImprove implementation efficiencyData switching networksInformation sharingInstant messaging
The invention discloses an information sharing method and an information sharing device for instant messaging. The method comprises the following steps of: after a screenshot request is received from a user, locking a desktop layer; determining an intercepted area selected by the user; and dynamically intercepting an image in the intercepted area, and sharing information to a specified instant messaging friend according to a dynamic interception result to display the image in the intercepted area and a variation condition of the image to the specified instant messaging friend. By the method and the device, the operation of the user can be reduced, and information sharing efficiency can be improved.
Owner:北京鸿享技术服务有限公司
Non-contact biometric feature identification method and system
ActiveCN102542281AClear boundariesImprove anti-counterfeiting effectCharacter and pattern recognitionNear infrared lightBiometric trait
The invention provides a non-contact biometric feature identification method and system. The method comprises the following steps of: extracting biometric features of a visible light image and a near-infrared image collected in a non-contact way; calculating the similarity x1 between the biometric feature of the visible light image and a prestored visible light biometric feature template and the similarity x2 between the biometric feature of the near-infrared image and a prestored near-infrared light biometric feature template; and comparing a detected sample x=(x1 x2) consisting of x1 and x2 with a training sample to judge whether the detected sample belongs to a within-class sample, and if so, judging that the identification is successful. By using the method provided by the embodiment of the invention, the identification precision of the method is greatly higher than that of a single biometric feature identification way, and the problems of less feature information and low distinguishing precision caused by the adoption of the current single palm pulse identification way and poorer anti-fake capability caused by the adoption of a single palm print identification way can be solved.
Owner:BEIJING WHOIS TECH
Method for testing FPGA device
InactiveCN101363900AImprove test efficiencyEasy to implement industrial testingDigital circuit testingGraphicsTest efficiency
The invention discloses a method for testing a FPGA device, which comprises the following steps of (1) generating a configuration file for configuring predetermined function to the FPGA device; (2) subjecting the FPGA device to a configuration step; (3) extracting configuration information from the configuration file and carrying out data conversion to obtain a configuration data signal of a predetermined pin; (4) arranging the logic state of each control pin in the FPGA device, and arranging the time sequence information of each pin to obtain the testing vector of the configuration process; (5) arranging the signal variation time of each pin based on the time sequence information of each pin to obtain a test pattern; and (6) carrying out the test pattern for completing the test working. With the invention, the prior integrated circuit tester can be employed for testing the FPGA device, so as to not only reduce the operation steps, but also improve the test efficiency and facilitate for the industrialization testing of the FPGA device.
Owner:BEIJING CHIPADVANCED
Hard disc video recording and retrieval method for analog magnetic tape serial schema
ActiveCN101419828AExtend your lifeReduce damage rateCarrier indexing/addressing/timing/synchronisingDigital recording/reproducingVideo monitoringManagement process
The invention relates to a method for recording and searching hard disk video having analog tape serial mode, which is characterized in that the method comprises the process of establishing disk track files in advance, video tape data buffering serial write procedure, token management process ensuring preferential writing and process of quickly searching and reading video tape data. The method has the advantages that 1) a disk preallocation mode is used for solving the problem of disk defragment generated by establishing and deleting files temporarily, so that the service life of the disk is prolonged. 2) As the operation of establishing and deleting files is not involved in the processing of using the disk, the probability of damaging the disk can be greatly reduced in certain extreme cases. 3) Data buffering technology, serial writing technology and track file technology are used for decreasing the operating times of the disk and the moving frequency of a magnetic head to the utmost extent, reducing the heat rise of the disk and prolonging the service life of the disk. 4) By adopting the token technology, the method better adapts to the requirements for ensuring the normal work of the video tape in the application of video surveillance.
Owner:HANGZHOU HIKVISION DIGITAL TECH
Swiftmoth insect integrated management device and management method thereof
InactiveCN101940192AReduce operating linksReduce labor intensityAnimal husbandryAnimal scienceWater tanks
The invention discloses a swiftmoth insect integrated management device comprising an enclosed box body, a pupa eclosion table, an ovum filtering net, an adult laying table, an ovum receiver and an isolated water tank. The pupa eclosion table is arranged on the upper part inside the enclosed box body; the middle part inside the enclosed box body is provided with the adult laying table; the ovum receiver is arranged under the ovum filtering net; supporting legs under the ovum receiver are arranged in the isolated water tank; and the whole device integrates management of pupa period, eclosion, mating and collection of ovum of the swiftmoth, so as to reduce the operation steps and greatly lighten the labor intensity of work staffs; and because the adults are subjected to little interference, the collection ratio of the ovum is higher; a sealing structure avoids the escape of the swiftmoth, and the isolated water tank prevents ovums from damaging by mice and ants; and the device is adopted under the condition of same radixes of pupas to obtain more and better ovum.
Owner:CHONGQING ACAD OF CHINESE MATERIA MEDICA
Operating speed control system and method for combine harvester
InactiveCN102077730AReduce the number of operator operationsReduce labor intensityMowersSpeed control systemOperating speed
The invention discloses an operating speed control system and method for a combine harvester. The system comprises a computing unit, a measurement and control box, a motor driver and a sensor group, wherein, the computing unit processes the received data and sending out a control instruction which takes the expected operating speed as a target; the measurement and control box collects the data acquired by the sensor group, transfers the data to the computing unit, converts the control instruction of the computing unit into a pulse control signal and then outputs the signal to the motor driver; the motor driver receives the pulse control signal and controls an actuating mechanism to work according to the control instruction; and the sensor group acquires the torque and revolving speed of a threshing cylinder, the revolving speed and operating speed of an engine, and the stroke of a variable speed oil cylinder. By utilizing the system, the optimum operating speed of the combine harvester can be determined so as to automatically meet the requirements for harvest quality influence factors such as dry and wet degree, ratio of grain to straw, ground condition, feed quantity of different grains and the like.
Owner:CHINA AGRI UNIV
Human face recognition based picture sending method and apparatus
InactiveCN105740426AReduce the number of operationsImprove convenienceSpecial data processing applicationsComputer graphics (images)User identifier
Embodiments of the present invention disclose a human face recognition based picture sending method. The method comprises: creating a user group, and acquiring a self-photographed document picture corresponding to a user identifier in the user group; acquiring a photographed picture, performing human face recognition on the photographed picture, and extracting human face feature information corresponding to each of at least one human face region contained in the photographed picture; searching the user group for a target user identifier corresponding to the self-photographed document picture and the extracted human face feature information; and sending the photographed picture to a terminal corresponding to the target user identifier obtained by searching. Moreover, the present invention correspondingly discloses a human face recognition based picture sending apparatus. The method and apparatus are capable of reducing the operation times required for picture sending, and improving convenience of picture sending.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
Dynamic customizing method for media player menu
InactiveCN101175175AEasy to useReflect personalizationSpecial service provision for substationTelevision system detailsOperational behaviorClient-side
The present invention discloses the dynamic customization method of the menu of a client media player, which can dynamically adjust the sorting sequence of menu items. The regulation method includes four steps; firstly, the data table of the menu items is created on a client, and a menu management module assigns specified initial defaults to the sequence numbers of the menu items; secondly, one menu item on the client media player is clicked for one time, the click count of the menu item is added by one; thirdly, in the data table of the menu items, the menu management module sorts all the menu items according to the click counts of the menu items, and reassigns a new sequence number to each menu item according to the sorting sequence; fourthly, the menu management module adjusts the relative position of each menu item in the sequence of the menu items according to the sequence number of each menu item. The present invention can allow the publisher of a media player to conveniently conduct statistics on the operations of a large number of users and work out accurate statistics in order to design a better, more humanistic media player.
Owner:融创天下(上海)科技发展有限公司
Word input method and system
ActiveCN102135814AThe method of obtaining error correction candidate strings is flexibleReduce search rangeSpecial data processing applicationsInput/output processes for data processingAlgorithmInput method
The invention discloses a word input method and a word input system. The method comprises the following steps of: detecting misinput fragments existing in coded strings input by a user; compiling the misinput fragments according to legal character sets acquired in advance to acquire error correction candidate strings; and converting the error correction candidate strings into input texts. By the method and the system, errors can be more effectively corrected in the word input process; and the method and the system have wider application ranges.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD
Batch testing method for complex programmable logic device
ActiveCN102466776AReduce the number of operationsReduce testing costsElectronic circuit testingCircuit interrupters testingTest efficiencyAutomatic test equipment
The invention discloses a batch testing method for complex programmable logic device. Aiming at the characteristic that CPLD (Complex Programmable Logic Device) shall be used after programming, the programming and test of CPLD are unified by the batch testing method to realize the batch testing of CPLD via ATE (Automatic Test Equipment). The JTAG (Joint Test Action Group) programming file and emulation file aiming to the fault model are obtained via the development software of CPLD to be converted to the vector file respectively distinguished by ATE. The number of the parallel test devices shall be determined before starting the batch testing; and all vectors are loaded to ATE at once. While the batch testing is processed, each CPLD to be tested is only connected with an automatic testingdevice once to execute the programming vector and the test vector repeatedly, so that the tests of a plurality of fault models are realized. In the batch testing method for complex programmable logicdevice, the online programming and test of CPLD are realized based on the ATE, the requirements of the mass testing of CPLD are satisfied via the parallel test technology, so that the testing cost isreduced and the testing efficiency is improved.
Owner:北京自动测试技术研究所有限公司
Automatic thin-provisioning method for optimizing space management
ActiveCN104317742AReduce random distributionReduce the degree of random distributionInput/output to record carriersMemory adressing/allocation/relocationData segmentThin provisioning
The invention discloses an automatic thin-provisioning method for optimizing space management. The method comprises the following steps: forming a storage pool through a plurality of logical disks; forming a logic volume space by crossing the plurality of logical disks; dividing the storage pool space into two stages, namely, dividing the logical disk space into a plurality of data sections; dividing each data section into a plurality of data blocks; distributing the data sections to a logical volume through the storage pool; maintaining the distributed data section by each logical volume; distributing the space for storing the written data from the maintained data section through the logical volume while the upper application writes data to the logical volume; applying to the storage pool for distribution of a new data section through the logical volume in case that the data section maintained by the logical volume does not have enough space for distributing. Compared with the prior art, the automatic thin-provisioning method for optimizing the space management, the random distribution degree of the data in a physical disk can be effectively reduced; meanwhile, the storage space utilization rate is high; in addition, the load balance of a storing device is ensured while distributing the storage space.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD
A physical network topological discovering system and method thereof
InactiveCN1558615AReduce the number of operationsData switching by path configurationInformation processingGeneral purpose
The invention relates to a physical network topology finding system for computer network topology and general purpose MIB information and method thereof, which comprises, determining the IP address range of the administration domain, determining the active IP address aggregation in the network address range, determining subnet quantity, corresponding subnet number and subnet mask, mapping the IP address aggregation, obtaining the discovered address transferring table information belonging to the switchboard of the subnet, obtaining the connection between the ports of the switchboards. determining the connection between the host computer and the port of the switchboard. The system comprises: a determining device for the apparatus, an information gathering device, an information processing device, a topology display device. The invention is utilized to a variety of IP network( such as IPV4, IPV6, and IP telecommunication network).
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI
Processing method for optimization of inter-process communication of embedded operating system
ActiveCN104346229AMeet the requirements of communication efficiencyWrite lessInterprogram communicationOperational systemManagement process
The invention discloses a device and a method for optimization of inter-process communication of an embedded operating system. The method comprises the following steps: initializing a management process to determine operation information of system equipment; initializing a characteristic information structural body and the equipment; establishing a real-time memory library; establishing a channel process message sharing memory space, a management process message sharing memory space, the semaphore of the channel process message sharing memory space and the semaphore of the management message sharing memory space; mapping the channel process message sharing memory space and the channel process characteristic information structural body; establishing channel processes according to the operation information and transferring a management message to the corresponding channel process; entering the management process, setting the semaphore of the management message, and reading the management message which is less than or equal to the semaphore of the management message. According to the device and the method, the problems of useless message transfer and low message processing efficiency existing in a message transfer mechanism established by using the sharing memories under the condition of communication among multiple processes of the embedded operation system are solved.
Owner:STATE GRID CORP OF CHINA +3
Automatic LED (light-emitting diode) display screen correction method
ActiveCN102768816AAvoid misunderstandingAvoid misjudgmentTransmission systemsStatic indicating devicesLED displayNetwork connection
The invention provides an automatic LED (light-emitting diode) display screen correction method. The automatic correction method comprises the following steps: (1) network connection is established; (2) an A end sends a display instruction to a B end, the B end controls the full-screen or the specific sub-area of the LED display screen to display the image; (3) the A end controls image acquisition equipment to aim at a to-be-corrected area of the LED display screen, acquires the image data and uploads the image data to the A end for analysis and process to generate correction coefficients, a controller of the B end sends the correction coefficients to a receiving card of the LED display screen, so that the LED display screen displays the corrected full-screen or specific-area image; and (5) the image acquisition equipment acquires the image in the to-be-corrected area again, the A end analyzes point-to-point brightness, judges whether the correction effect is satisfied. By using the correction method, the correction accuracy is increased, the labor intensity is saved, and the correction time is shortened effectively.
Owner:XIAN NOVASTAR TECH
Multi-antenna receiving apparatus, multi-antenna receiving method, multi-antenna transmitting apparatus, and multi-antenna communication system
ActiveCN1883145ANo reduction in data transfer efficiencyReduce the number of operationsSpatial transmit diversityMultiplex communicationCommunications systemEngineering
Soft decision parts (503,506) perform temporary decisions of modulated signals (502,505) as separated by a separating part (501) using an inverse matrix calculation of a channel scatter matrix. Signal point reduction parts (508,510,514,516) use the temporary decision results (504,507) to reduce the number of candidate signal points of multiplexed modulated signals. Soft decision parts (512,518) use the candidate signal points as reduced to perform precise decisions, thereby obtaining reception data of the modulated signals (RA,RB). In this way, a smaller number of calculations is used to successfully obtain the reception data (RA,RB) having an improved error rate characteristic without degradation of the data transmission efficiency.
Owner:INTERDIGITAL PATENT HLDG INC
Double windows electronic map with magnifying glasses windows service system and method on internet
ActiveCN101140579AReduce the number of operationsPractical and convenient application experienceSpecial data processing applicationsMagnifying glassThe Internet
The invention discloses a dual-window electronic map service system with a magnifier window and based on Internet, as well as a relevant method. Global and detailed exhibitions can be fulfilled simultaneously. The technical scheme is as follows: The system comprises a client end, the first map storage device and a relevant process device, the second map storage device and a relevant process device, and a synchronism device; wherein, the client end comprises the first map exhibition window, the second map exhibition window and a map service relevant page. The first map storage device comprises the first map database and the first correlated database; the first map process device comprises the first map call module and the first map engine module. The second map storage device comprises the second map database and the second correlated database; the second map process device comprises the second map call module and the second map engine module. The synchronism device comprises a coordinate conversion module and an operation synchronism module. The invention adapts to the field of of Internet electronic maps.
Owner:上海赛图计算机科技股份有限公司
New method for dense rock wettability determination
ActiveCN109030292AHigh data reliabilityGet porositySurface/boundary effectWater dischargeWeight change
The exploration and development of unconventional oil-gas reservoirs, especially the dense gas-oil reservoir, has become a bright spot of the oil exploration and development in recent years and a mainbattlefield of the future oil exploration and development. The wettability is one of important parameters for knowing dense oil-gas reservoir characteristics, and an operation of effectively determining the rock wettability has important significance for researching recovery percent of the oil reservoir, an oil-water ratio after water channeling, recovery ratio improvement and residual oil saturation. The invention discloses a new method for dense rock wettability determination, the disadvantages that the traditional self-absorption metering is inaccurate and nuclear magnetic resonance oil-water signals are hard to distinguish are overcome, a nuclear magnetic signal of the water is shielded by effectively utilizing manganese chloride, the self-water-absorbing oil discharge amount, water-driving oil amount, self-oil-absorbing water discharge amount and oil-driving water amount are accurately acquired by combining T2 spectral curve of the rock and weighing and weight change characteristics thereof, and the effective determination of the dense rock wettability is realized. The new method disclosed by the invention has the advantages of being small in current personal factor influence, high in data reliability, and simple and convenient.
Owner:SOUTHWEST PETROLEUM UNIV
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