122results about How to "Fast storage" patented technology

The invention relates to a vehicle-bone navigation and video recording integration system and method, wherein the system comprises a master processing module, a navigation module which is connected with the master processing module by a circuit and in charge of transmitting a received navigation signal to the master processing module, a video capturing module which is connected with the master processing module by a circuit and in charge of transmitting captured original video data to the master processing module, a storage module circuit connecting the master processing module and a display module which is connected with the master processing module by a circuit; wherein the master processing module transmits processed data to a storage module. The system and method combine satellite navigation information and content of video recording and adopt a flow of controlling the video recording by the satellite navigation information, thus not only space of a storage device is effectively utilized, but also video information during accident is reliably stored. The invention can play an important role in responsibility determination in traffic accident management.

The invention belongs to the field of mirror image storage of a distributed file system-based cloud management platform in cloud computing, and relates to a multi-backup nearby storage and reading method and a multi-backup nearby storage and reading system of a cloud host mirror image file. The method comprises the following steps: segmenting the cloud host mirror image file into data blocks, backing up and storing in a plurality of computing node servers, wherein a complete cloud host mirror image file is stored at one local computing node server, and the data blocks of the other backups are averagely distributed to other computing node servers to store; recording computing node server information stored corresponding to each data block of the cloud host mirror image file by using a metadata server; preferably reading data from one local computing node server by a client; reading the entire piece of data from the other computing node servers concurrently if the local computing node server fails. The method and the system are suitable for storing the cloud host mirror image files in the cloud management platform, the performance of the system can be improved, and higher storage and reading speed can be achieved.

The invention discloses a cloud-storage-based electricity utilization information acquisition method, which comprises the following steps of: acquiring the electricity utilization information of each electricity meter terminal; performing cloud storage on the electricity utilization information; when the electricity utilization information is determined to be processed, determining the electricity utilization information required by the processing, and performing corresponding processing on the electricity utilization information required by the processing; and displaying a processing result to a user. The invention also discloses a cloud-storage-based electricity utilization information acquisition system. By the method and the system, the storage and processing of the electricity utilization information in a large data volume can be realized.

The invention relates to an apparatus for computer system backup and restore automatically and a method for realizing this. The apparatus comprises: USB flash storage disk (shell body, USB plug head and USB flash storage) hardware and inside software which includes: GRand Unified Bootloader (GRUB), DOS operating system, Chinese character system, batch program AUTOEXEC.BAT, batch program AU.BAT and GHOST software. The inventive apparatus can be installed inside computer host box or plugged in the USB interface. The method comprises hardware connection and initial settings, selecting whether enter automatic backup and restoring status, performing menu selection, system backup and system restoring functions.

The invention provides a data writing method and device and a data reading method and device. The data writing method includes the steps of segmenting data which contain a plurality of first data records and are to be written in, conducting data compression on target data blocks in data blocks, taking the maximum serial number of the first data records in the target data blocks, the minimum serial number of the first data records in the target data blocks and the compressed data as second data records, and writing the second data records in a data table of a database server till the first data records of the data to be written in are all written in the data table of the database server, wherein the plurality of first data records are sequenced according to the serial numbers of the first data records to obtain the data to be written in, and the number of the blocks is smaller than the number of the first data records in the data to be written in. According to the data writing method and device and the data reading method and device, the storage speed of the data is improved, and the storage space of the database server is saved.

The invention relates to a radar seeker signal processing simulated analysis method and system. A data collector collects sum and difference signals, after down conversion by a radar receiver, at a high speed via an optical port of a seeker signal processor, and stores the sum and difference signals, the collected data is introduced into a control computer via a network cable, corresponding signal processing simulated analysis is carried out, and a processing result is reflected in the data and figure forms. Thus, the system can analyze the seeker data needless of purely relying on original MATLAB simulation analysis software and the like, and C++ language based self-programmed processing algorithms of the system can be transplanted to DSP and implemented, and the DSP algorithm can be improved and verified.

The invention discloses a method for shooting by rotating a viewing frame. The method comprises a step of acquiring a center coordinate of the viewing frame, a step of rotating a picture, a step of calculating a rotating angle beta, a step of calculating the polar coordinate system angles of four corners of the viewing frame which is rotated by the angle beta, a step of calculating the relative coordinates of a Descartes rectangular coordinate system of the four corners of the rotated viewing frame, a step of calculating the absolute coordinates of the four corners of the rotated viewing frame, a step of drawing a rectangular viewing frame, a step of calculating the minimum enclosing rectangle of the rotated viewing frame, a step of tailoring an image in the minimum enclosing rectangle for the first time, a step of rotating the image reversely by an angle of beta with the viewing frame as the center, and a step of tailoring the image for the second time with the center of the view frame as the center, with W as the width and with H as the height. According to the method, the viewing frame within a video area can be moved and rotated, the head or the body of a shooting target can be corrected in a dynamically tilting mode, and the purposes that the shooting area is accurately defined and the shooting process is accelerated are achieved.

The invention discloses a service data processing method based on cloud storage, comprising the following steps of: acquiring service data from a client-side; carrying out the cloud storage on the service data; acquiring service data needed by service data processing from a cloud storage system when a service data processing instruction of a user is received; carrying out processing instructed by the user on the acquired service data, and showing a processing result to the user. The invention also discloses a service data processing system based on the cloud storage. The service data processing method and system can realize the storage and the processing of a large amount of the service data.

The present invention relates to a fragment-based data storage and processing method for a CAD system and a system thereof, wherein the storage and processing method includes fragment data storage and fragment data processing; the data storage and processing system includes fragment data storage unit and fragment data processing unit. The present invention has the following advantages: 1) The data throughput capacity of the system is greatly improved, and for massive entity data, the system performance is stable without obvious performance bottlenecks; 2) Data storage is unified, memory pools can be used, memory fragments are reduced, and full utilization of The performance of the existing hardware system; 3) The response speed of user exchange is accelerated, the use is smoother, the storage parameterization process is reused, and the storage speed is accelerated.

The invention discloses a method and a device for quickly putting service data into a base. The method comprises that: according to a service data type, a basic data type object generating module generates a basic data type object containing the service data type; according to the structure of a database table for storing the service data, a set data object generating module generates a set data object, the set element type of which is the basic data type object; and a general service data base-putting interface module binds the corresponding values of the set data object or all basic data type objects of the data object set with the field of the database table and puts the data into the base. The method and the device can realize base putting of various service data, and has the advantages of high base-putting speed and high efficiency.

The invention relates to a digital TV set top box, in particular to an SQL database-based set top box data storage method, which comprises the following steps: step 10, after the set top box is powered up, importing partial entities of an SQL database stored on a Flash into a memory, and performing initiation judgment on the segment of memory data; step 20, when data is required to be written to the SQL database, selecting required data of the SQL database, and writing the data to a corresponding place according to the type of the data; and step 30, when the data is about to be read, querying in the required data of the SQL database according to required conditions to obtain all required data results. The method has the advantages of quick storage and query, simple expansion, easy writing and high executing efficiency.

The invention discloses an SiO2 doped Sb nano phase change film material, and a preparation method and an application of the film material. A chemical composition of the SiO2 doped Sb nano phase change film material is (SiO2)xSb1-x, wherein x is greater than or equal to 0.22 and less than or equal to 0.40; and the film material is deposited by a magnetron sputtering method. The prepared SiO2 doped Sb nano phase change film material has a high crystallization temperature, can effectively improve thermal stability of a PCRAM (Phase Change Random Access Memory), has a high crystallization speed, and can greatly increase a memory speed of the PCRAM.

The invention discloses a device facilitating cable winding and dismounting and belongs to the technical field of power cables. The device comprises a base. Side plates are mounted on the left and right sides of the top of the base correspondingly. A rotary rod is mounted between the two side plates. A second bearing is mounted in the position where the rotary rod and the side plate on the left side are connected. A reel is mounted on the outer wall of the rotary rod in an interference fit mode. A fixing ring is mounted on the outer wall of the top of the right side of the reel. A servo motoris mounted on the right side of the side plate on the right side. A first bevel gear is mounted on the outer wall of a mounting rod. The motor drives the reel to wind a cable, the storing speed is high, labor force is reduced, in addition, storing is uniform, the side plate on the left side slides out through a slide block, then the reel can be taken out, the cable is recovered, and transporting and recovering are facilitated; and rubber abrasion-resistant protrusions at the bottoms of supporting seats reduce abrasion when the supporting seats make contact with the ground, impact force of moving wheels on the ground when hydraulic telescopic rods stretch and retract is reduced, and the service life is prolonged.

The invention discloses an image processing method based on an FPGA. The method comprises 1, an image collecting step that 1), the first output port of an FPGA controller sends 8 secondary analog switch gating signals in 8 collection periods in sequence, and the second output port of the FPGA controller only sends 1 primary analog switch gating signal in the 8 collection periods, 2), amplification, filtering and analog-to-digital conversion are carried out on the to-be-processed analog image signals obtained in the step 1), thereby obtaining digital image signals, and 3), the digital image signals are stored; and 2, an image compression step. The invention also discloses an image processing system based on the FPGA. The method and the system has the advantages that synchronous collection and rapid processing can be carried out on the output of the tens of CCD cameras, the port resources of the controller will not be occupied excessively, and moreover, high-speed collection and storage can be carried out on the large data volume of image signals.

The invention relates to a metal hydride heat-storage medium and a preparation method thereof. Through optimization, the heat-storage medium provided by the invention comprises the following components by mass: 50 to 90% of magnesium; 0 to 40% of M1, which is at least one selected from the group consisting of iron, nickel and cobalt elements; 1 to 5% of M2, which is at least one selected from thegroup consisting of titanium, vanadium and niobium elements; and 3 to 20% of carbon. The heat-storage medium has an energy storage density of 1000 to 3000 MJ/m3, a thermal conductivity of 3 to 10 W/m.K and a compactness of 50 to 70%. The preparation method for the heat-storage medium comprises the following steps: preparing magnesium-based hydride in a high-pressure hydrogen atmosphere; then subjecting metal M2 containing a catalytic element to hydrogenation treatment so as to obtain a catalyst; uniformly mixing the catalyst with the magnesium-based hydride, and crushing an obtained mixture toa nanometer grade; and adding a carbon-based heat transfer agent, carrying out uniform mixing, and carrying out press molding so as to obtain a finished product with a compactness of 50 to 70%. The preparation method provided by the invention is reasonable in component design; and the metal hydride heat-storage medium prepared by using the preparation method provided by the invention has the advantages of large heat-storage density, high heat-absorbing rate, controllable heat-releasing rate, excellent cycle performance and long service life.

The invention discloses a supporting structure part and a display device. The supporting structure part comprises a supporting frame, provided with a screen body supporting surface, and a driving part, wherein the supporting frame comprises a first sliding supporting part and a second sliding supporting part which are oppositely arranged, and the first sliding supporting part and the second sliding supporting part are movably connected in a first direction; and the driving part is arranged at the side, back on to the screen body supporting surface, of the supporting frame, and comprises a first driving mechanism, and the first driving mechanism is used for driving the first sliding supporting part and the second sliding supporting part to move at the same time in the first direction so that the first sliding supporting part and the second sliding supporting part can get close to each other or get away from each other. According to the supporting structure part and the display device, the size of a display area can be changed, and a use effect is improved for a user.

The invention discloses a smart city service architecture device based on information grid service. The system comprises a client, an Internet of Things unit, an identity authentication unit, an access unit, a WEB application unit, a WAP application unit, a client application unit, a security unit, a frame unit, an information unit, an administrator unit, a service management unit, a data synchronization unit, a public data unit and a shared service unit. According to the invention, an Internet of Things big data technology is used. The system is tightly combined with a smart city service architecture. The problem that a smart city service architecture is not provided with a field can also be effectively filled. The informatization application effect of the smart city service architecturecan be better improved. An informationized and intelligent service platform serves as a support. The functions of storage, search, expansion and the like of shared information of the smart city service architecture are achieved, the smart city service architecture becomes a basic architecture of a smart city information sharing platform. A shared directory architecture is formed on the basis of the basic architecture, and the storage and search speed of the shared directory architecture is high.

The invention relates to a real-time data service system based on the drilling industry. The system comprises an RDS server and a plurality of RDS client sides, one end of each RDS client side is connected with a device related with the drilling industry, the other end of each RDS client side is connected with the RDS server through a local area network, the RDS server creates a data model used for recording the devices and device signals in a main memory database, the RDS server receives data sent by the RDS client sides, the data are stored in the main memory database of the RDS server, and when other devices require to read the data through the RDS client sides, the RDS server inquires and reads the latest data from the main memory database and sends the data to the RDS client side needing the data; the devices can subscribe needed shared data on the RDS server, when the subscribed data are changed, the RDS server pushes the latest data to the RDS client sides which subscribe the data and accordingly the corresponding devices can obtain the latest value of the data. The data service system can achieve efficient real-time communication and supports accessing of various devices, the multiple devices can share data and a guarantee is provided for long-time stable operation of the devices and safe production in the drilling industry.

The invention discloses a data fusion and association processing method, which comprises the following steps: reading a system setting configuration file, and carrying out initialization operation according to the state of a system; wherein the initialization operation comprises memory database initialization and configuration operation initialization; analyzing the received source data to obtainan analysis result; storing the analyzed source data according to the data packet or the data variable carried in the analysis result; obtaining corresponding variable data according to a service initialization result, and loading historical data; and outputting a loading result on a display interface in a curve and/or numerical mode. According to the method and the system, associated storage of multi-source and heterogeneous data and rapid acquisition of specified data are realized, and the method and the system have important significance for ground data interpretation and processing in real-time flight control of spacecrafts.

The invention discloses a multifunctional and intelligent certificate access management method. A step for rapidly inquiring a plurality of keywords comprises the following specific steps of: reading and warehousing certificates; selecting and setting keyword types; inputting keywords through a user interface (UI); comparing keywords; finding out a certificate list comprising the keywords in certificate tag information; and returning an inquiry result. A step for performing WLT storage and bitmap reduction and display: scanning certificates; storing images; and reducing and displaying. A step for performing certificate overdue management comprises the following steps of: setting system time and a certificate overdue limit; reading and warehousing certificates; recording warehousing time; performing overdue monitoring; and taking overdue certificates out. In the method, a multi-keyword inquiry technology is adopted, so that the inquiry speed and the inquiry efficiency are high; image files in certificates are stored in a WLT format with a small occupation volume and are reduced into bitmap files for display, so that high inquiry and identification speeds and a clear and good display effect are achieved; and overdue certificates are eliminated in real time, so that the storage space utilization ratio can be increased effectively.

The invention provides a database processing method and device of a distributed system, equipment and a storage medium. The method comprises the steps: acquiring a target database, and detecting the data size of the target database; when the data size of the target database exceeds a data size threshold, splitting the target database based on a splitting coefficient to obtain a plurality of corresponding sub-databases; determining the size of an available storage space corresponding to each service instance to be allocated, wherein the service instances are used for realizing data storage by service nodes in the distributed system; and allocating an adaptive number of sub-databases to each service instance based on the size of the available storage space corresponding to each service instance and the data size of each sub-database. According to the invention, the resource utilization rate of each service instance in the whole server cluster can be improved, and the memory distributionbalance of each service instance is kept maximized.

The invention discloses a multiple input-multiple clock maintenance obstruction type JK trigger which comprises a multiple input basic RS latch register, two or more input units and JK converting circuits. Two output terminals of the multiple input basic latch register are q and nq respectively. Quantities of the input units and the JK converting circuits are same. Two output terminals of any input unit are connected to an input terminal of the multiple input basic latch register respectively to form a maintenance obstruction type D trigger. The input units comprise data input terminals and clock trigger ends. The data input terminals of the input units connect with output terminals of the JK converting circuits. The JK converting circuits have two data input terminals. The multiple input-multiple clock maintenance obstruction type JK trigger can be used as a common memory, and can be applied to design of a sequential circuit, especially design of a distributed system and an asynchronous circuit of event driven. Compared with a present trigger, according to the multiple input-multiple clock maintenance obstruction type JK trigger, in the case of multipath data input, direct event driving is employed, a data selection circuit is simple, and a storing speed is rapid.

A method for automatically clearing, increasing record and seeking for obtaining of EPG information of digital TV includes four processes of automatically clearing EPG information record, increasing EPG information record, increasing EPG current / next information record and seeking for obtaining EPG information record. Its automatically clearing process includes confirming recording space and maximum recording number, setting reserving time of EPG information to avoid overflow by long time of operation, indexing out newest record time when record number is less than zero, calculating out threshold time, deleting off record exceeding threshold and refreshing information record.