160results about How to "Data storage is convenient" patented technology

A storage management device records write requests that are directed to a data store. In one embodiment, the storage management device records a plurality of write request entries, each one of which includes information relating to a write request, in at least one first database table, and maintains, for each first database table, at least one record in a second database table. The one or more records in the second database table include data representing the effects of the write requests on a state of at least one portion of the data store. In one such embodiment, each time that one write request entry is recorded in one first database table, the storage management device updates at least one record in the second database table.

A storage management device receives a request to restore a portion of a data store to its content at a specified past time, which is selected from a substantially continuous time interval. In response to the received request, the storage management device stores in the portion of the data store content that was stored in the portion of the data store at the specified past time and that was overwritten since the specified past time.

In a multiprocessor system that includes a plurality of processor modules, each one of which includes its own internal clock, one of the plurality of processor modules is designated as a master processor module having a master internal clock. Each other processor module is designated as a slave processor module having a slave processor module internal clock. Each slave processor module synchronizes its internal clock with the master internal clock.

A storage management device can receive a write operation that includes a data payload, store a first instance of the data payload at a first storage buffer in the storage management device, and evaluate a first cost equation to identify a second storage buffer in the storage management device, different from the first storage buffer, at which to optimally store a second instance of the data payload.

The present invention discloses a storage device with optimal compression management mechanism, mainly comprising a controller and at least a solid-state storage medium; where said controller at least has a system interface that may be connected to an external system end, a microprocessor processing system instructions, and a memory interface communicating with said solid-state storage medium; said controller detects and distinguishes the type of raw data to be stored, chooses the compression algorithm and associated parameters most suitable for the raw data, and then compresses the raw data into minimized data in the optimal compression ratio and writes the compressed data into said solid-state storage medium; in that way, the storage device may boost the storage capacity of said solid-state storage medium without increasing physical memory of said solid-state storage medium.

The multi-channel data acquisition system provided by the present invention includes an acquisition computer, an acquisition display and an acquisition end printer, the acquisition computer is equipped with a plurality of A/D acquisition cards and a buffer, and each A/D acquisition card input terminal is provided with a voltage Isolation conditioner, the acquisition computer is connected to the control computer and the echo computer through the back end of the Ethernet, the control computer is installed with a dual-screen display card, and connected to the master and slave monitors and the control terminal printer respectively, and the echo computer is connected to the echo display and the echo printer. The invention also provides a method for multi-channel data acquisition. The invention has the advantages of being able to measure multiple channels, suitable for multi-signal recording occasions, convenient display and printing of data and waveforms, high degree of automation and accuracy, and conducive to intelligent acquisition, especially suitable for rocket launching and weapon testing , petrochemical and other dangerous and heavily polluted on-site signal detection and recording occasions.

The invention provides a method, a device and a system for monitoring a log based on a software development kit. The method comprises steps: the software development kit receives log data after being classified according to an error level sent by a mobile terminal client; the software development kit converts the received log data after being classified according to a predetermined format and stores the data, and the log data meeting the preset error level are summarized; and the software development kit uploads the summarized log data meeting the preset error level to a server. Summarization of the logs is carried out via the mobile terminal client, uploading and receiving of the logs are together realized by the software development kit and the server, the problem that the logs are messy and hard to be effectively managed and used can be solved, the uploading mechanism of the software development kit is optimized, and the problem of blocking of multiple threads in a weak network environment can be solved.

The invention provides a digital satellite attitude and orbit control algorithm ground simulation verification system. The digital satellite attitude and orbit control algorithm ground simulation verification system comprises a simulation platform, a host computer platform, a data transfer platform, and a satellite control algorithm platform. The simulation platform is suitable for acquiring control information of a satellite attitude and orbit algorithm, and is operated in a preset simulation environment according to a dynamical model to generate an actual attitude and an actual orbit of a satellite, and then is used to output satellite simulation information. The host computer platform is suitable for receiving the satellite simulation information, and based on the setting of the satellite simulation information and parameters related to the dynamical model, and is used to transmit operation information of operating the simulation platform to the simulation platform according to an instruction input by a user. The satellite control algorithm platform is suitable for determining the satellite attitude and orbit algorithm according to the satellite simulation information, and is used to transmit control information of executing the satellite attitude and orbit algorithm to the simulation platform. The linked operation of the satellite simulation verification system is realized, and a satellite simulation integration level is improved.

Disclosed is an automation control method for tunnel lining construction. A control system integrates all information collecting and control procedures of a traveling mechanism, a hydraulic system, aconcrete distribution device, a vibrating device, a temperature sensor, a flowmeter, a video monitor and a pressure sensor, is equipped with a GPRS wireless data transmission module, and can collect and upload information in the casting process of a tunnel lining to a project department monitoring room. The distribution device can be connected with a plurality of distribution pipes in series, thetemperature sensor is used for detecting the concrete casting temperature, and the flowmeter is used for collecting the concrete casting quantity and implementing automatic control over casting. The video monitor monitors real-time work picture information, and collects and transmits the real-time work picture information to the project department monitoring room. The vibrating device achieves vibrating automatic control operation for concrete. The pressure sensor detects and collects pressures of all points in the concrete casting process and displays the casted height of the concrete. The control system conducts concentration analysis on data collected in the casting process of the tunnel lining, gives out a control instruction, and uploads the detected data to the project department monitoring room.

A universal storage management system which facilitates storage of data from a client computer and computer network is disclosed. The universal storage management system functions as an interface between the client computer and at least one storage device, and facilitates reading and writing of data by handling I/O operations. I/O operation overhead in the client computer is reduced by translating I/O commands from the client computer into high level commands which are employed by the storage management system to carry out I/O operations. The storage management system also enables interconnection of a normally incompatible storage device and client computer by translating I/O requests into an intermediate common format which is employed to generate commands which are compatible with the storage device receiving the request. Files, error messages and other information from the storage device are similarly translated and provided to the client computer.

Methods and apparatus are provided for managing data in a data storage system (10) having a solid-state storage device (11) and alternative storage (12, 13). In an internal management process, such as garbage collection or wear-levelling, performed in the solid- state storage device (11), data is identified which needs to be moved in the device (11) for internal management of the solid-state storage (14). At least some of the data so identified is moved to the alternative storage (12, 13) instead of the solid-state storage (14). Metadata, indicating the location of data in the solid-state storage device (11) and the alternative storage, (12, 13) is maintained to track data movements.

The invention provides a near infrared spectrum technology-based multiband soil nitrogen detection device and a near infrared spectrum technology-based multiband soil nitrogen detection method. A regression equation of near infrared spectrum data and soil sample nitrogen content is established by establishing a soil nitrogen prediction model and using soil spectrum absorbance of seven bands so asto accurately measure the soil nitrogen level. The device and the method have high practical precision, are not affected by weather factors, are suitable for real-time field measurement, provide storage function of a U disk, and are convenient for storing historic records, calling the data and realizing a soil nitrogen distribution graph.

A digital community provides shared resources across a wide collection of users. Users donate resources to the community and in return are allowed to employ resources of the community. The digital community conforms to a set of rules, or community rules, so as to enhance cooperation between users and increase resource reliability. The resource sharing rules allow for efficient allocation and utilization of community resources. The rules refer to the hardware, software, and donor behavior associated with each resource of the community.

The invention discloses a user behavior analysis method and servers. The method comprises the steps of after booting a real-time analysis server, receiving historical user behavior data sent by an offline analysis server according to a first analysis result, wherein the first analysis result is an analysis result formed according to a first preset analysis strategy before the real-time analysis server boots; acquiring current user behavior data corresponding to current user behavior, wherein both the historical user behavior data and current user behavior data comprise user operations and operation objects which the user operations point at; and according to the first preset analysis strategy, analyzing the historical user behavior data and current user behavior data so as to obtain a second analysis result, wherein both the first analysis result and the second analysis result comprise at least one set of the operation objects, one operation object corresponds to at least two pieces of multimedia information, and the information content of the multimedia information corresponding to the same operation object has time correlation.

The invention discloses a queuing based remote sensing load universal data processing system, which is used for processing the same virtual channel data downloaded to multiple physical channels in a polarized multiplexing mode. According to the queuing based remote sensing load universal data processing system, queuing processing is added between unformatted processing and uncompressing processing, so that advanced orbiting system (AOS) transmission frames of the same virtual channel downloaded to multiple physical channels are sequentially restored to original load data, randomly transmitted AOS data frames of the virtual channel are restored completely according to different physical channels in the polarized multiplexing mode, the capacity in processing and interpreting remote sensing data is improved, and universalization of the overall process of processing is realized. In order to realize the queuing function, a virtual channel identifier in the AOS transmission frame and a characteristic byte of frame count are used for identifying transmission frames corresponding to the same virtual channel identifier, then the frame count is extracted, and queuing is performed according to the size of the frame count. The algorithm is simple and reliable.