975results about How to "Reduce transfer volume" patented technology

Disclosed is an RF power transmission network. The network includes at least one RF power transmitter, at least one power tapping component, and at least one load. The at least one RF power transmitter, the at least one power tapping component, and the at least one load are connected in series. The RF power transmitter sends power through the network. The power is radiated from the network to be received by a device to be charged, re-charged, or directly powered by the power.

Embodiments of the present disclosure disclose a data synchronization method, system and apparatuses thereof. The data synchronization method includes the following processes: sending, by a client, a data characteristic verification message carrying one or multiple data characteristics for data in a client database, to a server; comparing, by the server, the one or multiple data characteristics carried in the data characteristic verification message with the data characteristics for the data in a server database; determining, by the server, the data to be synchronized based on a result of the comparing and sending the client a data characteristic verification response carrying information indicating the determined data to be synchronized; and determining, by the client, the data to be synchronized according to the information in the data characteristic verification response, and synchronizing the determined data to be synchronized with the server. The method, system and apparatus thereof provided by the embodiments of the present disclosure can reduce the amount of data to be transmitted in data synchronization, and improve the efficiency of data synchronization.

A power meter reader system for automatically reading an indication on a power meter unit having a cyclical property that varies at a rate indicative of power consumption. The system comprises a detection unit that includes a sensor unit for monitoring the cyclical property of the indication and generating a consumption detection signal, a processing unit for generating an information signal based on data related to the consumption detection signal, and a transmitter for transmitting a transmission signal based on the information signal. The processing unit also generates a sensor enable signal to enable the sensor unit for only a portion of the cyclical property of the indication. The system further includes a display unit located remotely with respect to the detection unit for receiving the transmission signal and displaying the power consumption. The detection unit may also employ a prediction model for reducing power consumption in the detection unit.

A power meter reader system for automatically reading an indication on a power meter unit having a cyclical property that varies at a rate indicative of power consumption. The system comprises a detection unit that includes a sensor unit for monitoring the cyclical property of the indication and generating a consumption detection signal, a processing unit for generating an information signal based on data related to the consumption detection signal, and a transmitter for transmitting a transmission signal based on the information signal. The processing unit also generates a sensor enable signal to enable the sensor unit for only a portion of the cyclical property of the indication. The system further includes a display unit located remotely with respect to the detection unit for receiving the transmission signal and displaying the power consumption. The detection unit may also employ a prediction model for reducing power consumption in the detection unit.

The invention discloses an output method, system and server of recommendation information. The method comprises the following steps of: extracting user action data in a predetermined statistic period from a user action database; classifying the user action data according to commodity identifications to obtain a time sequence about interestingness of each commodity in the statistic period; computing a purchase peak probability of the commodity according to the time sequence about interestingness; when receiving a command of outputting the recommendation information, sorting the purchase peak probability according to an order from high to low, and outputting the recommendation information of the commodity according to a sorting result. The method provided by the invention automatically computes the purchase peak probability of the commodity on time dimension according to the user action data, thereby improving the recommendation accuracy of a recommendation system and reducing the transmission quantity of unnecessary data in the network; since the recommendation information is automatically modified and output by a server, and the computation capability of the server is sufficiently used, the information input quantity and computation resource of the recommendation system can be reduced when the recommendation information is adjusted according to the purchase peak probability.

The invention provides a data interaction method based on an on-line video. A triggering point for calling specific data information is arranged in a feature frame of the on-line video. The method comprises the following steps: in the process of playing the on-line video, if the triggering point on the feature frame is triggered, calling the corresponding specific data information according to the triggering point; and generating a popup layer, and displaying the specific data information in the popup layer. By using the data interaction method based on the on-line video, a user can quickly acquire commodity information in the on-line video so as to quickly finish on-line shopping; and therefore, the data transmission speed of a video communication line is increased, the processing resources of a server or format conversion processing equipment can be saved, and the on-line shopping experience of the user can be effectively enhanced.

A system can transmit video and audio data of speaker lecture site and courseware information demonstrated on computer to server and the server carries out synchronous synthesis as well as generates a single stream file for being presented at client end. The server synthesizes the courseware prestored locally with video and audio when demonstrated courseware is preset formula and the server synthesizes cut - off screen video with site video and audio when demonstrated courseware in nonpreset formula so that clarity and definition of demonstrated courseware can be ensured at client end.

MPEG video encoders and MPEG audio encoders encode video signals and audio signals, respectively. An SI / EPG data generator generates program information. A transport stream multiplexer multiplexes the program information with video data and audio data. A system controller controls the data output rates of the encoding operations and the multiplexing ratio.

MPEG video encoders and MPEG audio encoders encode video signals and audio signals, respectively. An SI / EPG data generator generates program information. A transport stream multiplexer multiplexes the program information with video data and audio data. A system controller controls the data output rates of the encoding operations and the multiplexing ratio.

Metadata wherein characteristics descriptions for respective contents are performed is stored. A search server does not send back the whole metadata for each relevant metadata responding to a search request for the metadata from the client, but sends back part thereof. Thereby, a communications volume between the search server and the client is reduced. Further, it is possible to perform browsing wherein the metadata is sequentially obtained little by little.

The invention discloses a method, a device and a system for addressing a multi-dimensional address. The invention comprises that through establishing a standard of format, grammar and type of the multi-dimensional address data, an effective multi-dimensional address format, which is generated by a first resource, can be output, input, processed and stored by the first and the second resources. The invention also comprises that the multi-dimensional address is defined by a binary digit series identifier, and the length of the binary digit series identifier is an arbitrary digit number from 1 bit to 1536 bit. An information dimension part is included in the multi-dimensional address through the bit segment division; the invention comprises that the object and attribute data is constructed through the bit, the bit segment and the data in the information dimension part; a virtual space structural part is also included in the multi-dimensional address; the invention comprises that the space structure and relation data of the object and attribute data is constructed through the bit, and the bit segment and the data in the virtual space structural part. The invention also comprises that each bit segment is seperated by a symbol; each bit segment carries out an automatic conversion of carry counting system; a leading zero of each bit segment is compressed; and the zero of an all -zerocontinuous bit segment in the multi-dimensional address carries out zero compression.

A method of transmitting or retransmitting a packet in a communication system. The method includes determining a modulation and coding scheme (MCS) to reduce the packet error rate (PER) for transmission, where the MCS is an aggregate of M redundant packet transmissions as a function of at least one of determined past channel conditions and / or allocated resources, determinable current channel conditions and / or allocated resources, future statistical channel conditions and / or allocated resources, and / or a cost function; and transmitting the packets in the communication system according to the MCS.

The invention provides an automatic driving system. The system comprises a central processing module, a cloud platform, an environment information sensing module, a fault information collecting module and a bottom control module; the central processes module determines a decision for a next behavior of a vehicle and outputs a control signal; the cloud platform makes information interaction with the vehicle, processes fault information, matches data of the central processing module, and makes incremental update of the data of the central processing module; the environment information sensing module collects environment information, interacts the environment information with vehicle information, and uploads the collected environment information to the cloud platform via the central processing module; the fault information collection module detects performance of the vehicle itself and equipment state, collects data, emits an alarm when a fault occurs, and uploads alarming information to the cloud platform via the central processing module during alarming; and the bottom control module controls the vehicle to drive at the needed speed and expected turning angle in a planed path according to signals output by the central processing module. Thus, the workload of a driver can be reduced, and the safety risk of automatic driving is reduced.

The invention provides a heterogeneous database platform data synchronization method. The heterogeneous database platform data synchronization method includes the following steps that a first external data exchange module and a second external data exchange module which correspond to a source database and a target database respectively are installed in a PostgreSQL database, and a first external data exchange module extender, a first external server, a second external data exchange module extender and a second server are built, wherein the source database and the target database are heterogeneous databases; a first external data table and a second external data table which are in mapping relation with the source database and the target database respectively are built, and triggers for capturing data changes are built. The PostgreSQL database and the corresponding data exchange modules serve as media innovatively to achieve data synchronization / copying between external multi-source heterogeneous databases.

On-demand image delivery server delivering designated image data based on a request from a client terminal with one or a plurality of retrieval items as a retrieval condition inputted from the client terminal, made up by a retrieval function portion, which retrieves one or a plurality of image resource databases, and a retrieval result displaying function portion, which displays on the screen of the client terminal for confirmation of contents of image data subject to delivery, simplified image data of the image data matching a retrieval condition and / or data regarding attached contents-related information.

The invention discloses a method for uploading a file, a client, a server and a system, belonging to the fields of file uploading. The method comprises the following steps of: receiving a file uploading request transmitted by the client; and judging whether a file identical with a message digest algorithm 5 (MD5) value of the file to be uploaded exists or not, if yes, taking the file identical with the MD5 value as the file to be uploaded, and otherwise judging whether a file of which a file name is identical with that of the file to be uploaded exists in the previously-uploaded file by the client or not, if yes, calculating a part of the file to be uploaded, which is different from the file of which the file name is identical with that of the file to be uploaded and enabling the client to upload the different part, and otherwise, enabling the client to upload the files to be uploaded at full amount. According to the method, the client, the server and the system, a file similar to the file to be uploaded is uploaded by the server and the different part of the file to be uploaded is uploaded to the server through a network, so that the network transmission quantity is greatly reduced and the waiting time of file uploading by the user is shortened.

The embodiment of the invention provides a behavior processing method and device based on an application program. The method comprises the following steps that after the starting operation of the application program is detected, the behavior permission information corresponding to the application program is obtained; the behavior information of the application program is monitored; the behavior information is processed according to the behavior permission information. According to the embodiment of the invention, the behavior permission information is configured for the behavior, the single behavior is used as the permission unit, the application program is monitored, the monitoring vulnerability caused by configuring the unified permission for the application program by a blacklist and a whitelist is avoided, the fine granularity permission control is realized, the protection intensity is enhanced, the potential threat is reduced, and the false alarm rate can also be reduced.

The invention discloses a method and a system for inter-database data synchronization. The method includes starting a service when receiving synchronization change information transmitted to second database from first database; inserting identifiers defined for the first database in advance and business data carried in the synchronization change information into the service through the SQL (structured query language) standard so as to trigger the second database to record the identifiers of the first database in the change log; submitting the service to the second database so as to enable the second database to implement data synchronization change according to the business data; judging whether the identifiers in the change log are identical with those defined for the first database in advance or not after the synchronization change of the second database is completed to generate new change data; if yes, neglecting the change data so as not to transmit the synchronization change information to the first database. By the method and the system for the inter-database data synchronization, endless-loop synchronization among isomerous databases can be avoided.

An embodiment of the invention provides a cross-cluster migration method and system. According to the cross-cluster migration method and system, persistence of data inside a distributed database of a source cluster before migration can be achieved due to data operation interruption through all child nodes of the source cluster and persistence of memory data of the distributed database of the source cluster; the data transmission amount can be reduced due to compression of data tables in the distributed database of the source cluster, the compressed data tables in the distributed database of the source cluster are migrated to a target cluster, and the migration efficiency is improved; then occupied storage space and total file blocks of the data tables in the distributed database of the source cluster before migration are matched with occupied space and total file blocks of the data tables of the target cluster, after migration and accordingly the migration integrity can be verified according to a matching result.

The present invention discloses a method, a device and a system for constructing a multidimensional address. The multidimensional address built is an identifier, and a data which can be input to the computational resource and can be processed by the computer program. The multidimensional address is used to identify the resources used or transmitted through network. The data contained in the multidimensional address comprises data used for constructing transaction and attribute, and the resources which can be used or transmitted through network are identified by the multidimensional address, to make the resources have the data of transaction and attribute constructed by the multidimensional address; the procedure comprises that a multidimensional address is automatically generated, the multidimensional address comprises data used for constructing transaction and attribute; all kinds of resources which can be used or transmitted through network are identified by the multidimensional address; the data of the corresponding transaction and attribute can be automatically constructed through the data contained in the multidimensional address and used for constructing transaction and attribute; when identifies resources, the multidimensional address constructs a data of the corresponding transaction and attribute for the resources identified through the data in the multidimensional address.

The invention discloses a service request processing method and device, a service processing result acquiring method and device, and a service request processing system. The service request processing method comprises the steps that a service request from a client is received; the received service request is forwarded to a service server which processes the service request; whether asynchronous processing is carried out for the service request is determined; if asynchronous processing is carried out for the service request, a response with an asynchronous processing instruction is sent to the client; and if asynchronous processing is not carried out for the service request, the response which is returned by the service server for the service request is sent to the client. According to the method provided by the invention, the waiting time of a client user can be shortened; the user experience is improved; and the performance and the throughput of the server are improved.

The invention relates to a backup method for the local and remote data files in network information technology field. The invention backups the data using the backup data to form new backup to satisfy the customer's requirement, it can ensure the backup for all data and provide a fast 'entire backup' method; when remote backup, it just need to transmit the increased data block which is needed to form a new backup file to the remote terminal. The increase extraction method which adopts the increased backup method generates the data which is used to generate the different backup, and then uses the previous backup different data to form the new different backup. The invention overcomes the disadvantages of low velocity and large remote backup web transport those exist in the present increase backup and different backup.

The present invention provides a method for reporting capability and a related processor. In the method provided by the invention, the user terminal reports the capability report identification corresponding with the capability information of user terminal to the network side. The network side can clearly obtain the capability information of user terminal which receives service data. As the user terminal only requires report simple capability report identification when the user terminal reports capability information of terminal to the network side, the reported information is simplified, the data transmission amount is reduced, and the transmission resource is saved. Furthermore, the network side confirms the capability information of terminal corresponding with the received capability report identification according to the stored correspondence relationship between the terminal capability information and the capability report identification. Then the service data of QoS grade corresponding with the terminal capability information is transmitted, thereby the network side can transmit service of reasonable QoS grade to the user terminal for reasonably using the system resource and increasing the experience degree of user. The plan provided by the invention can be applied in MBMS for processing the MBMS more reasonably.

The invention is suitable for the field of information processing and provides a distributed workflow processing method and a distributed workflow engine system. The distributed workflow processing method comprises the following steps of: monitoring a triggered flow event, and acquiring the event information of the flow event; according to the event information, acquiring a pre-stored flow template related to the flow event, generating a flow instance, and packaging the flow instance and the related information thereof into a flow instance component; and according to an execution engine and state information thereof saved in an execution engine list, calling an interface which is provided by the execution engine related to the flow instance so as to send the flow instance component to the execution engine. In the invention, a main control engine is used for calling the interface provided by the execution engine so as to send the flow instance to the execution engine for executing, thus the calling process between the main control engine and the execution engine is simplified, and the extension of the workflow engine system in the distributed environment is more flexible and convenient.

This invention puts forward a real time transmission technology of video images, which divides a video information region in a video scene into an unchanged background information region and a local region generating changed information, and only one time of collection, storage and transmission is needed for the collection of unchanged information in a video conference system, yet continuous video flows are generated to the local region generating changed information and positions and sizes of the local region are generated as the parameters to collect, store and transmit it and only one time is needed. Complete scene information is re-set up based on the received background information, continuous video flows of the local region generating changed information and the position and size parameters, which can reduce information transmission in the video and image transmission system.

The invention discloses a wireless sensor network temperature monitoring method based on an improved Kriging algorithm. The wireless sensor network temperature monitoring method comprises the steps of: firstly, establishing a layer cluster type wireless sensor network topological structure, analyzing historical temperature data of a target region, setting a threshold value rho and a fusion cycle T, performing periodic fusion on in-cluster node data at a cluster head node based on the threshold value rho, acquiring initial temperature data, transmitting the initial temperature data to a monitoring host by means of a wireless link and saving the initial temperature data in a local database; importing the initial temperature data, and performing variable structure analysis on the initial temperature data to generate a variation function expression; and optimizing a variation function model by utilizing an improved Nelder-Mead simplex method, designing a regular grid terrain, performing temperature interpolation by adopting an ordinary Kriging algorithm, carrying out error correction, and outputting a regular grid temperature field pattern. The wireless sensor network temperature monitoring method optimizes the variation function model by utilizing the improved Nelder-Mead simplex method, corrects weights of the ordinary Kriging algorithm, performs error compensation on the interpolation result, and makes the interpolation result more scientific and closer to the actual situation.

The invention discloses a method for enabling state monitoring information of transformer station primary main equipment to access to a regulation and control system. The method comprises steps that: the state information of the transformer station primary main equipment is received and is classified into on-line monitoring data, off-line detection data, history state information and family defect information; after pre-processing, the data is sent to a threshold diagnosis module for diagnosis; a diagnosis result of the threshold diagnosis module is sent to an expert diagnosis module; the inputted data is diagnosed through the expert diagnosis module, an operation state of the equipment is diagnosed, and a message formed from the operation state information is inputted through a second bus to a multidimensional information display module; the multidimensional information display module is used for identifying state information of the equipment in the message and carrying out classification and display. The method realizes comprehensive analysis determination on the operation state of the equipment through integration of the on-line data, the off-line data, the history information and family defects, not only diagnosis reliability of the equipment is improved, but also content transmission quantity of the message is reduced, and business processing capacity requirements for the regulation and control system is further reduced.

The invention relates to a distributed MIMO radar target tracking accuracy joint resource optimization method. The method includes the following steps that: an objective function is derived, a resource allocation optimization model containing three variables, namely, array element, power and bandwidth is constructed; the model is simplified, an array element selection problem is converted into a convex optimization problem from a 0-1 problem through convex relaxation; and the optimization model is decomposed into iterative optimization sub-problems of array element selection and power allocation through using cyclic minimization, the problems are solved through using an SPCA (sequential parametric convex approximation) method until the objective function is not optimized any more, final array element selection and power allocation results are obtained, and a final bandwidth allocation result is calculated, and a target position at a next time point is estimated. According to the distributed MIMO radar target tracking accuracy joint resource optimization method of the invention, the accuracy of the target tracking of an MIMO radar can be effectively improved through resource allocation, and the utilization rate of resources can be also improved; and an appropriate array element subset is selected, and power and bandwidth resources are allocated optimally, and therefore, the accuracy of the target tracking can be further improved under a situation that radar system resources are limited.

The invention discloses an information interaction method and system for distance education. The method is characterized by comprising the following steps of: converting the first interaction information from a teaching resource supply end into a first reduced instruction; transferring the first reduced instruction to one or more user ends through the network; reproducing the first reduced instruction as the first interaction information at one or more user ends; and displaying the first interaction information at one or more user ends. Through the invention, compared with the video mode of traditional distance education, the cooperative operation of a teacher and students on the courseware is realized, and the interactivity (particularly real-time interactivity) between the teacher and the students is enhanced. By effectively reducing the transmission quantity of the interaction data, the occupation of network bandwidth and the storage space of courses are greatly reduced. Meanwhile, the method and system disclosed by the invention facilitate the inquiry of interaction information in the distance education course.