398results about How to "Will not cause loss" patented technology

An embodiment of the invention provides a write operation control method and a write operation device for a solid state disk. The solid state hard disk comprises a first storage unit and a second storage unit. The first storage unit and the second storage unit are both nonvolatile storage devices. The method includes: writing data into the first storage unit; writing the data in the first storage unit into the second storage unit. According to the write operation control method and the write operation device for the solid state disk, the data is first written into the first storage unit which is the nonvolatile storage device to be cached, then the cache data stored in the first storage unit is written into the second storage unit which is the nonvolatile storage device to be stored permanently instantly or at intervals, and therefore even under the condition of unsafe shutdown, the cache data which is in the first storage unit and is not written into the second storage unit to be stored permanently can not be lost, and data loss rate of the solid state disk is reduced.

This invention discloses one audio frequency data memory method based on bare device, which comprises the following steps: aligning magnetic disc space into several blocks and designing each with certain number and storing the blocks into each disc space block for operations in writing or reading data. This invention has property for lossless data to keep data in electricity break.

The present invention discloses an online backup method and system for a virtual machine. The method comprises: when a backup instruction is detected, opening up a cache space for the virtual machine, and determining whether a write operation for a virtual disk of the virtual machine exists; when determining that the write operation for the virtual disk exists, intercepting write data corresponding to the write operation, and storing the intercepted write data into the cache space; and backuping backup related data of the virtual machine in the virtual disk to a preset backup server. For the situation that the write operation for the virtual disk exactly exists at a moment for backuping the virtual machine, the write operation of the virtual machine does not need to be paused, but a storage space needed for services is provided by the pre-opened-up cache space instead of the virtual disk, so that the services of the virtual machine are smoothly conducted, user data is not lost, and the service performance of the virtual machine is improved.

The method comprises: a) the local game end real-time decides if the moving route of local role varies; if yes, then determines the moving route of local role, and sends the moving message carrying the moving state and moving route of local role to the remote game terminal; b) the remote game end controls the remote role corresponding to the local role to move according to the moving state and moving route in the received moving message. By the invention, the network traffic flow for on-line game can be reduced.

The invention discloses a distributed storage system. The system comprises multiple storage layers, a main controller and a storage monitor, wherein the multiple storage layers are used for conducting classification storage on data with different security levels, the main controller is used for receiving a data storage request sent from a client side to the main controller and establishing a storage log, and the storage monitor is used for seeking a storage layer with the same security level according to the security level of data which the main controller requests to store and performing data storage, then storing a storage path in a block chain in a form of a link, wherein the link is correlated to the storage log established on the main controller. According to the distributed storage system, secure classification storage of the data can be achieved; meanwhile, due to the existence of a data interaction and backup mechanism among storage devices in the multiple storage layers, automatic renew and backup storage of the data can be achieved, even if fault occurs in one of the storage devices, it still can be guaranteed that duplicate backups of the data are reserved in the storage device all the time, thus the permanent storage of the storage data is achieved, and not too many storage resources are occupied at the same time.

The invention discloses a virtual encryptor device including one or more virtual machine modules; a configuration management module for configuring a corresponding virtual machine module for each physical encryptor; and a unified scheduling module for receiving a message to be encrypted from an external system. A key value group matrix of the message to be encrypted is generated according to a scheduling algorithm; and based on the key value group matrix, dual processing load of the physical encryptors and the message to be encrypted is determined and the virtual machine module is selected for preprocessing the message to be encrypted. The invention also discloses a financial encryptor including the virtual encryptor device and a method of encrypting a message by use of the virtual encryptor device.

This invention relates to a multi-process information process method and a multi-process ticket process method, in which the ticket process method used in parallel process to tickets in the charge system includes 1, setting up a shared memory for every process, 2, the process fetches the tickets for processing in the shared memory block, 3, distributing the tickets and storing them in the shared memory according to the preset load balance rule based on the current occupation situation of the memory block and storing the tickets with the same charged numbers in a same shared memory.

The invention relates to a GNSS receiver including a receiver and a processor. The receiver receives raw observation data from a satellite. The processor obtains the raw observation data from the receiver, processes the observation data, and generates a quality analysis result. The invention also relates to a quality analysis device including a receiver and a processor. The invention also relates to a quality analysis method. With the GNSS receiver, the quality analysis device and the quality analysis method, a data quality analysis algorithm can be written into the GNSS receiver to conduct real time online analysis of the raw observation data, so that a user can check the quality analysis result through a built-in webpage of the GNSS receiver and an LED display. And modeling is conducted on the basis of stored historical multi-path data, a predicted multi-path value of an assigned moment is deducted to reduce the influence of multiple paths, so that the method has a wider application range.

The invention relates to a multi-hop lossless teleportation method based on a non-maximum entangled chain channel. Alice and Bob, which do not directly share a quantum entanglement pair at the beginning, continuously carry out entanglement exchange through the help of p middle nodes; finally, a quantum entanglement channel is constructed; and the multi-hop teleportation process of the sender Alicetransmitting a single-particle multi-energy level unknown quantum state to the receiver Bob is completed. The method in the invention uses the non-maximum entangled chain channel; even the sender andthe receiver do not directly share the quantum entanglement pair, the quantum state information can be still transmitted between both the sides; and the requirement for constructing a complex quantumcommunication network can be satisfied; in the multi-hop lossless teleportation system in the invention, if the teleportation process is successfully executed, the information receiver Bob can obtainthe transmitted quantum state information; if the teleportation process fails, the information sender Alice can restore the transmitted unknown quantum state information; and the unknown quantum state information is not lost.

The present invention discloses a multiple human-targets location and tracking method based on multichannel phase comparison location. The method comprises: based on a linear frequency modulation continuous wave radar system of single input multiple output, employing the moving target indication and de-mean method to perform preprocessing of experiment data and perform diploid interpolation refinement distance dimension windowing Fourier transform of each period of the echo data so as to obtain object distance information according to the distance spectrum of an object; obtaining the object distance information according to the object distance; extracting the phase information corresponding to the target from the peak value where a frequency spectrum object is located; fusing the phase information of different receiving channels, calculating the phase differences among different receiving channels, calculating the azimuth or the pitch angle of the object, and combining the object distance information to calculate the location result of the object at a two-dimensional plane or a three-dimensional plane; and finally, employing the Kalman filtering method to realize the tracking of the target. The multiple human-targets location and tracking method based on the multichannel phase comparison location can perform detection, location and tracking of a plurality of human body objects indoors and outdoors so as to effectively reject multiple paths while keeping the target and perform accurate location of the object.

The invention discloses an identity authentication method based on biological characteristics and relates to the technical field of biological characteristic data processing. The method comprises the steps of obtaining and reconstructing identity information of a registered user; collecting biological characteristic information of the registered user and generating biological characteristic data; through adoption of a preset key generation method, generating an encryption key through utilization of the biological characteristic data of the registered user; encrypting the reconstructed identity information through utilization of the encryption key, thereby generating a ciphertext; collecting the biological characteristic information of a to-be-authenticated user and generating the biological characteristic data; generating a decryption key through utilization of the biological characteristic data of the to-be-authenticated user; decrypting the ciphertext through utilization of the decryption key and generating a plurality of pieces of decrypted data; and screening the decrypted data consistent with a reconstruction rule, carrying out reverse reconstruction to generate to-be-identified data, screening the to-be-identified data with the highest occurrence frequency as the identity information of the to-be-authenticated user, and judging the user as the registered user. The invention also discloses another identity authentication method based on the biological characteristics.

The invention provides a pedal type turnover device for a machining assembly line and belongs to the technical field of turnover devices. The pedal type turnover device aims at solving the problem that part turn-over needs to consume much time and labor as an existing assembly workbench lacks an effective turnover device. The pedal type turnover device comprises an assembly workbench, and two turnover clamping mechanisms are symmetrically and rotationally connected to the upper part of the assembly workbench. Through cooperation of a pedal mechanism and a driving mechanism, the driving mechanism drives a transmission mechanism to rotate by treading a pedal plate downwards with a foot, the two turnover clamping mechanisms rotate, a part clamped between the two turnover clamping mechanisms is turned over by 180 degrees, and then two limiting inserting rods on a limiting mechanism are inserted into two limiting holes in an overturning shaft on the right side. Time and labor are saved in the whole operation process, the overturned part does not need to be clamped through the clamping mechanisms again, and then the working efficiency of part assembling is improved.

The invention provides an implementation method for a disk array cache, which comprises the following steps: obtaining a data request from a to-be-processed queue; carrying out the corresponding data reading operation or the data writing operation in a cache tree according to the data request; writing data in the cache tree into a bottom layer disk array. Through the adoption of the method provided by the invention, most data reading and writing operation can be performed in the disk array cache, so that the interaction with the bottom layer disk array in each reading and writing operation can be left out, further the reading and writing speed is greatly increased, and the working efficiency is improved; in addition, a data writing back mechanism is provided to ensure that data stored temporarily in the disk array cache can be subjected to the backup in time, so that the read and written data cannot completely lose when the system breaks down, therefore, the system performance and data safety can be improved.

The invention discloses a fault recovery method and device for nodes in a storage cluster and a medium. The method comprises the steps that relevant information of fault nodes and node data in the fault nodes are recorded, wherein the relevant information at least comprises cluster affiliation information of the fault nodes; fault recovery is performed on the fault nodes to obtain initial nodes; the relevant information is read through a script mode, and a target storage cluster is searched for according to the cluster affiliation information; and the initial nodes are configured to be added into the target storage cluster, and the node data is written into the initial nodes. Obviously, through the method, the reliability of recovering the fault nodes in the storage cluster is improved, and the security of the data in the fault nodes is ensured. Besides, the invention furthermore provides the fault recovery device for the nodes in the storage cluster and the medium. The device has thesame advantages as the method.

The invention discloses a real-time interactive remote medicine system. The real-time interactive remote medicine system comprises an inquiring end, at least one expert end, a data capture repeater component, a network security transmission component, a data transit server component, a real-time behavior control component and a remote medicine control server. In addition, the invention further discloses a real-time interactive remote medicine method based on the real-time interactive remote medicine system. By the real-time interactive remote medicine system and the real-time interactive remote medicine method, real-time medicine synchronization of two-way audio and video communication on both sides can be realized, relevant data information can be subjected to remote checking and real-time transmission, and the interactive audio and video communication can be realized on the basis of sharing of real-time data information; for some local key data information, a nondestructive checking mode can be specified through the expert end, so that the key data information is ensured not to be lost in Internet applications, accuracy of a remote medicine mode is guaranteed, and possibility of medicine errors is avoided.

The invention discloses an inhomogeneous light field underwater target detection image enhancing method based on threshold segmentation. The inhomogeneous light field underwater target detection image enhancing method based on threshold segmentation is characterized by comprising the steps that (1) an inhomogeneous light field underwater target detection image is read in; (2) the inhomogeneous light field underwater target detection image read in in the step (1) is transformed into an original gray level image; (3) an illumination intensity distribution diagram is fit from the gray level image, and the original gray level image is segmented into a plurality of pixel straps according to the illumination intensity distribution diagram; (4) threshold values are set, and the pixel straps are combined into a bright area, a normal area and a dark area according to the threshold values; (5) the normal area is selected, and target parameters are calculated; (6) according to the target parameters, dodging processing is carried out on each pixel strap. According to the inhomogeneous light field underwater target detection image enhancing method based on threshold segmentation, the integral harmony adjustment on the brightness and the texture of the whole image can be achieved, the processed image is made to be real and reliable, and texture information is abundant.

The invention relates to a preparation method of a traditional Chinese medicine facial mask for removing freckles, whitening the skin, maintaining beauty and keeping young. Traditional Chinese medicines used in the preparation method of the traditional Chinese medicine facial mask comprise: radix pseudostellariae, rhizoma cyperi, scorpion, bombyx batryticatus, poria cocos, radix angelicae, radix paeoniae rubra, Chinese angelica, radix cynanchi atrati, callicarpa bodinieri, rhizoma chuanxiong, herba leonuri, fructus toosendan, artemisia anomala, ginger juice, white paeony roots, yam, white atractylodes rhizome, astragalus membranaceus, rhizoma typhonii, radix polygonati officinalis, almonds, radix ampelopsis, coix seeds, ossa sepiae, codonopsis pilosula, Chinese angelica, gypsum, bletilla striata, pearl powder, jasmines, coptis chinensis, radix rehmanniae, salvia miltiorrhiza, scutellaria baicalensis, loofah sponge, stiff silkworms, talc, rhizoma kaempferiae, cloves, liquorice, oysters,tribulusterrestris, phryma leptostachya, flos carthami, borneol, fleece-flower roots, asparagus cochinchinensis, radix ophiopogonis, cortex moutan, ginseng, propolis, wintergreen oil, fetus cervi, egg oil, placenta hominis, pericarpium citri reticulatae, fructus lycii, radix notoginseng, semen cuscutae, fructus psoraleae, rhizoma nerdostachyos, polygala tenuifolia, caulis spatholobi, herba lysimachiae, cortex mori radicis, lilies, fructus evodiae, radices lithospermi, indigo naturalis, summer purslane, rhizoma chuanxiong, rose flowers, aloes, seaweeds, oysters, chrysanthemum, mint, cordate houttuynia, snow lotus herb, cordyceps sinensis, lucid ganoderma, asarum, cloves, spina gleditsiae, herba patriniae, fructus forsythia, rhizoma smilacis glabrae and rhizoma paridis. The invention further provides a special mold used in the preparation method of the traditional Chinese medicine facial mask and a use method of the traditional Chinese medicine facial mask.

The invention provides a fuse mounting structure. The fuse mounting structure comprises an electric appliance box main body and a fuse holder, wherein slots are formed in the two sides of the electric appliance box main body; first bosses and second bosses are arranged inside the slots; the fuse holder comprises a fuse mounting part, clamping parts positioned on the two sides of the fuse mounting part, and two insertion parts positioned below the fuse mounting part; the insertion parts comprise sliding chutes with sealed upper ends and lower ends, and bulges protruded in the directions far away from the sliding chutes; the insertion parts of the fuse holder are inserted in the slots of the electric appliance box main body; the second bosses are positioned in the sliding chute; under the working condition, the first bosses are buckled with the bulges, and meanwhile the second bulges are not in contact with the lower ends of the sliding chutes; under the out-of-service condition, the first bosses squeeze the bulges to enable the insertion parts to be deformed towards the sliding chutes, and meanwhile the second bosses are in contact with the lower ends of the sliding chutes. The fuse mounting structure disclosed by the invention is convenient to operate and high in safety.

The invention discloses a method for online data migration among different types of databases. The method includes the steps: creating client software mounted on a database host, realizing direct interaction with the databases, extracting, converting, inserting and updating data in the databases and transmitting and interacting the data among different clients; creating server software installed in a manager host, configuring migration information, comparing different client table HASH data and monitoring migration progress and resource occupancy conditions in real time; rapidly synchronizing whole-volume and incremental data in abnormal databases by the client software and the server software, and verifying data consistency of two abnormal databases after synchronization. Compared with the prior art, the method has the advantages that data migration of different types of databases is finished, migration efficiency is improved, migration steps are simplified, and technical requirements for data migration engineers are reduced.

The embodiment of the invention provides a face recognition method, a face recognition system, a medium and electronic equipment, and relates to the technical field of big data. The method comprises the steps of acquiring a plurality of face samples to serve as a first training set, a first model based on the first training set is trained through a clustering method, and a first recognition resultof a face sample to be recognized is obtained through the first model; Determining a plurality of triplets according to the first recognition result, calculating the similarity of the plurality of triplet samples, and training a second model by taking the sample set with the similarity of the samples meeting a first threshold condition as a second training set to obtain a second recognition result; Taking the sample set with the similarity meeting a second threshold condition in the second recognition result as a third training set, and training a third model; And identifying the to-be-identified face based on the trained first model, second model and third model. According to the technical scheme of the embodiment of the invention, the recognition precision of the face recognition systemcan be improved.

The invention discloses a smooth switching method in LTE technique, comprising: before terminal switching, upper layer network node transmits the same data to a base station corresponding to the cell related with the terminal switching; the base station sends the received data to a preset temporary buffer memory; after switching is completed, a target base station sends the data in the temporary buffer memory. And it prevents the loss of the data in base station for terminal in the hard switching course and assures smooth and stable switching.

The invention provides a data transmission method based on a low power consumption Bluetooth technology, is applied to a sub-meter wearable positioning equipment system, a buffering mechanism is arranged in a BLE Bluetooth module and three sleep modes of the BLE Bluetooth module are set, thereby enabling the BLE Bluetooth module to intelligently control and adjust data flow, ensuring switching of Bluetooth between busy and idle states, satisfying high-speed transmission of data, realizing relatively low memory consumption, and satisfying low power consumption of sub-meter wearable positioning equipment; and at the same time, BLE Bluetooth is adopted to intelligently receive sent data, Bluetooth flexibly processes cache data, and overflow and loss of data are not caused by excessive cache data, thereby greatly reducing the packet loss rate of data.

Disclosed are a data processing system and a data processing method. The data processing system comprises a mobile terminal, a server and a vehicle-mounted end, wherein the mobile terminal sends data information to the server, and the server stores the received data information, identifies data request information from the data information, generates corresponding interaction information according to the identified data request information, and sends the interaction information to the vehicle-mounted end. According to the data processing system and the data processing method, a user can directly receive the interaction information sent by the server after the vehicle-mounted end is started, other settings do not need to be carried out on the vehicle-mounted end, and therefore operation procedures of the user are simplified, and experience of the user is improved.

The invention discloses a vehicle positioning system evaluation method and device, equipment and a storage medium, which relate to the field of automatic driving, and can be applied in the field of autonomous parking. According to the specific implementation scheme, the vehicle positioning system evaluation method is applied to electronic equipment; a vehicle positioning system and accurate navigation equipment are carried on a vehicle; a vehicle pose positioned by the vehicle positioning system is a target vehicle pose; and the vehicle pose positioned by the accurate navigation equipment is astandard vehicle pose. The method comprises the following steps: acquiring at least one vehicle pose point pair, wherein the vehicle pose point pair comprises the standard vehicle pose and a corresponding target vehicle pose; determining a standard main lane line corresponding to the vehicle pose point; calculating a positioning error which takes the standard main lane line as a reference according to the standard main lane line and the vehicle pose point pair; and evaluating the vehicle positioning system according to the positioning error.

The embodiment of the invention discloses a publishing and subscribing service processing method and device, electronic equipment and a computer readable storage medium, and relates to the field of cloud computing. The method is executed by one proxy server in a proxy server cluster, the proxy server cluster comprises a plurality of proxy servers, and the plurality of proxy servers are respectively connected with the same intermediate server. The method comprises the steps of receiving a first published message of a predetermined theme published by a publisher client; and sending first synchronization information containing the first published message to an intermediate server, so that the intermediate server sends the first synchronization information to a plurality of proxy servers of aproxy server cluster, the first synchronization information containing the first published message, the name of the theme corresponding to the first published message, and the name of the proxy server. According to the embodiment of the invention, the published message of the client can be shared among multiple proxy servers.

The invention provides a data synchronization method and device of a distributed relational database. The method comprises the following steps: determining whether a data fragment of the data to be operated by a transaction operation request is in a migrating state; if so, redirecting the address of the data fragment to the cache address of the data fragment, wherein the data fragment is divided into N small partitions in the cache; determining whether the data to be operated by the transaction operation request are the data corresponding to the migrated small partition; and if so, recording the transaction operation in a redo log, wherein since the redo log only records the transaction operations of the migrated small partitions rather than the non-migrated small partitions, the recording number in the redo log is reduced, the logo storage space is saved, the data loss is avoided, and the data integrity as well as the data synchronization consistency are guaranteed.

The invention relates to a memory-type pressure acquisition system and an oil well pressure acquisition method thereof; the system comprises a lower computer and an upper computer, wherein the lower computer internally comprises a pressure sensor which acquires the information of pressure parameters and converts the information into electric signals, am amplifier, an analog-to-digital converter, a single chip microcomputer used for data acquisition, data access and clock parameter setting of the system and processing digital signals, a real-time clock circuit, a memorizer, a liquid crystal display module, a keypad control circuit used for inputting storage members and sampling interval time, a communication interface used for conveying the information into a microcomputer and a power module and a power supply which are used for supplying electricity to the system, can realize functions such as the pressure data acquisition, A / D conversion, data processing, storage and display and the like so as to meet the requirements that the oil well acquires the maximum oil recovery rate. The memory-type pressure acquisition system realizes functions of the vast pressure data storage, the input of the time and oil well numbers and conveying data into the upper computer.

The invention discloses a binarization image and gray level image efficient denoising method based on pixel continuity judgment, and belongs to the field of image processing. According to the characteristics that noise point distribution is relatively disperse and separate and signal points are relative continuous, whether pixels with the same luminance are noise or not is directly judged through the continuity of the pixels with the same luminance in binarization images, pixels of the same kind in gray level images are defined in the gray level images firstly, and whether the pixels of the same kind are noise or not is judged based on the continuity of the pixels of the same kind; denoising effects are achieved on noise points in the binarization images by directly changing the luminance values of the noise points into opposite luminance values of the noise points, and filter and denoising effects are achieved by replacing the luminance values of the noise pixel points in the gray level images with the average value of the luminance values of heterogeneous pixel points on the periphery of the noise pixel points in the gray level images. The algorithm for judging and denoising is simple, executing efficiency is high, denoising effects are good, and losing of image information can be avoided.

The invention discloses an energy-saving wireless communication transceiver based on constant modulus signals, comprising a transmitting part and a receiving part. the transmitting part comprises a baseband signal processing unit, a first hard-limiting circuit, a radio-frequency transmitting unit and a transmitting antenna; and the receiving section comprises a receiving antenna, a radio-frequencyreceiving unit, a second hard-limiting circuit and an intermediate frequency signal processing unit. Compared with a conventional transceiver , the invention has the advantages that complexity of thetransceiver is simplified, and the hard-limiting circuit with less energy consumption replaces the ADC and DAC (digital-to-analog / analog-to-digital converters) with more energy consumption, thereby the energy consumption is effectively reduced, the communication performances can meet the requirement, and the manufacturing cost is reduced to a great extend simultaneously.