164results about How to "Easy to read and write" patented technology

The invention discloses a method and device for read-writing data in an object storage system. The method comprises the steps that the object storage system is mounted in a user space file system established by a kernel fuse module in user space, and route information from each client to storage space in the object storage system is configured; if the clients read storage objects, the data is firstly read from cache of the user space file system, if no data to be read exists in the cache, a rest service interface is packaged according to metadata information of the storage objects in a user space file system database, the storage objects in the object storage system are operated through a rest service, and the data in the object storage system is read; if files are written in the clients, the files are segmented into one or more blocked files through the user space file system according to the sizes of the files and the sizes of blocks and written in local cache, file attribute information and block information are stored, the rest service is called to write the blocks in the cache in the object storage system, and the metadata information of the storage objects is recorded.

The invention provides a Retinex image enhancing method and a Retinex image enhancing system. The Retinex image enhancing method comprises the steps of: carrying out repeated average filtering iteration on a video source image acquired by a video camera to generate an image illuminance component; acquiring an image reflection component according to the source image and the image illuminance component; correcting the image illuminance component and the image reflection component; and calculating to obtain an image after Retinex image enhancement according to the corrected image illuminance component and the corrected image reflection component. The Retinex image enhancing system comprises an iterative convolution module, a reflection component generation module, an illuminance component correction module, a reflection component correction module and an enhanced image generation module, wherein the modules are implemented on an FPGA. The Retinex image enhancing method and the Retinex image enhancing system can be used for carrying out self-adaptive enhancement on images of different types, and ensure the real-time performance of image enhancement.

The invention discloses a jib crane hoisting operation anti-collision method and a system. According to the system, an obstacle classification model is established, and the appearance and position information of obstacles in an operation area is accurately acquired by adopting a crane jib head autonomous detection and study method. A cylindrical coordinate system of a crane is established, the operation area is divided into different sectors according to slewing angles, the sectors are divided into different fan-shaped grids according to the distance from a slewing center, environmental data of the operation area are precisely stored based on the fan-shaped grids, and a hoisting safe operation three-dimensional boundary wall is generated by utilizing the data of the fan-shaped grids. Motion and position parameters of a crane jib at the next moment are predicted by using a weighted linear regression model based on the position information of the crane jib at the most recent 20 moments. Aiming at the predicted motion and different distances from the boundary wall of the crane jib, crane jib control strategies such as no intervention, speed limiting, micro-motion and prohibition are adopted. Functional tests in an actual operation environment show that the system can effectively prevent the collision between the crane jib and the obstacles in the operation area.

The invention relates to a method and a system for fast semantic annotation of an e-book. The method is characterized by comprising the following steps that: (1) a directory structure file for describing a structure of the e-book in a way independent of the e-book is created, a chapter list of the e-book is extracted, and a tree hierarchy relationship is created, and simultaneously, each chapter element contains the property of page number information; (2) the semantic annotation of list elements is carried out based on the directory structure file; (3) the e-book is divided into multiple page files, and each page file is a page of the e-book; and (4) the directory structure file, book CIP (cataloging in publication) data, a copyright statement and the multiple page files are packaged to form a complete e-book file package.

The invention discloses a modularized high-speed optical disc juke-box for an equipment cabinet. The modularized high-speed optical disc juke-box comprises an equipment cabinet, a server module, a mechanical hand component and a pushing-pulling framework, wherein a disc bin array is arranged along one side wall of the equipment cabinet; the disc bin array comprises a plurality of stacked disc bins, and optical disc sheet boxes are arranged in the stacked disc bins; the server module is arranged above the disc bin array in the equipment cabinet, and comprises a server and an optical disc driver set connected with the server through a data line; the mechanical hand component which is arranged towards the side opening of the disc bin array is arranged in the equipment cabinet; the mechanical hand component is used for getting out a target optical disc in the selected disc bin; the pushing-pulling framework is corresponding to the disc bin array and used for pushing and pulling one or more disc bins in the disc bin array. The modularized high-speed optical disc juke-box for the equipment cabinet disclosed by the invention adopts a modularized design and mutually independent components, and is convenient to maintain; the disc bin array, the server module and the opposite mechanical hand component are stacked, so that the optical disc storage density and the integral space utilization rate of the optical disc juke-box can be increased.

The invention discloses a portable electrocardiograph monitoring system. The portable electrocardiograph monitoring system comprises two non-contact electrode slices, a pectoral girdle, a Zigbee ECG collecting and transmitting module, a Zigbee wireless receiving module and an embedded displaying and alarming module. The two non-contact electrode slices are mounted on circular electrode slice clamping grooves in the inner side of the pectoral girdle respectively. The Zigbee ECG collecting and transmitting module is mounted on a fixed clamping groove in the outer side of the pectoral girdle. The Zigbee ECG collecting and transmitting module is connected with the two non-contact electrode slices through signal output lines. The Zigbee wireless receiving module is connected with the embedded displaying and alarming module through a serial port circuit. The portable electrocardiograph monitoring system has the advantages that operation is simple, moving is convenient, the system is in a non-contact type, the electrocardiogram and heart rate of a user can be displayed in real time, an alarming short message can be sent when the heart rate is abnormal, ECG data can be stored in an SD card, and the ECG data can be further analyzed conveniently.

The invention discloses an online BIOS (basic input/output system) refreshing method for a multi-node server. The method comprises steps as follows: a two-stage gating switch circuit comprising a first-stage gating switch and second-stage gating switches is arranged between a BMC (baseboard management controller) and CPU (central processing unit) nodes, after initialization of the BMC is completed, a driver of an SPI (serial peripheral interface) controller is uploaded, an online BIOS refreshing command on a user side is waited, when the online BIOS refreshing command is received, target CPU nodes are determined, the two-stage gating switch circuit is set for gating of BIOS Flash of the target CPU nodes, a BIOS updating file is obtained from the user side, the BIOS updating file is executed for updating, and the state of the two-stage gating switch circuit is restored. With the adoption of the method, the problem about BIOS refreshing of high-density server nodes can be effectively solved, CPUs on a main board can be updated without electrification, the single BMC can manage BIOS refreshing of the multiple CPU nodes, and the method has the advantages that remote operation is realized, the method is simple and convenient, the hardware logic complexity is low, embedded software is simple to realize, the method is convenient to use and the user experience is good.

The invention discloses a system for tracking and examining management and washing conditions of linen products of hotels. The system comprises RFID tags, two-dimensional code tags, an RFID reader-writer and a data center server, wherein the RFID tags are pre-sewn on linens; the two-dimensional code tags are arranged on the linens by hot stamping; the RFID reader-writer is used for reading and writing the RFID information on the linens; the RFID reader-writer is provided with antennas; the RFID reader-writer with the four antennas are mounted on a hotel linen access door path and a laundry linen access door path; the RFID reader-writer which is mounted on the hotel linen access door path is in network connection with a hotel client side server; the RFID reader-writer mounted on the laundrylinen access door path is in network connection with a laundry client side server. By application of RFID and a two-dimensional code technology, an efficient system platform for managing and queryinglinens in the hotel industry is established, the linen management efficiency and ability of hotels are greatly improved, meanwhile, consumers conveniently query and supervise the sanitary conditionsof the linens of the hotels, and experiences of the consumers and brand images and reliance of the hotels are improved.

The invention discloses an integrated electric power information communication monitoring platform based on a wireless transmission technology. The integrated electric power information communication monitoring platform comprises a monitoring centre; the monitoring centre is respectively communicated with an energy management system, an automatic monitoring system of a power plant, a wide-area phasor measurement system, an image monitoring system of a transformer substation, a computer room monitoring system, a power transmission line detection system, an electric energy metering system and a display system; and communication is carried out through a wireless module. According to the integrated electric power information communication monitoring platform disclosed by the invention, the wireless communication technology is adopted; the data transmission real-time performance is high; furthermore, multiple functions are integrated; and, due to the monitoring platform, data acquisition, statistics and analysis of a plurality of systems are integrally realized.

The invention provides a cloud disc file online editing method. A file system is self-defined on a client side, files on a cloud disc server are mapped to the self-defined file system of the client side, and the cloud disc files are edited online through the self-defined file system. The file system established through the self-defined file system, the cloud disc files can be conveniently read and written through a local application, a user can operate the cloud disc files just like local files, and network files are conveniently presented and edited online. When the files are edited, file operation instructions are optimized, file data are cached, and therefore the file operation efficiency is effectively improved.

The invention provides a CLB-bus-based NorFLASH memory interface chip with high utilization ratio. The memory interface chip comprises a CPU processor, a CLB bus, a NorFlash interface unit and a NorFlash memory, wherein the NorFlash memory communicates with the CPU processor through the NorFlash interface unit by the CLB bus; the NorFlash interface unit further comprises a power-on detection circuit, an address decoding circuit, a bad block replacement circuit and a writing control circuit, as well as a configuration register set and a state register set; an information block is arranged in the NorFlash memory and records the addresses and the number of bad blocks in the NorFlash memory and the bad block replacement function enabling information of a replacement unit; a bad block register used for storing information from the information block is arranged in the power-on detection circuit; and the bad block replacement circuit is used for re-mapping the addresses of the bad blocks. The NorFLASH memory interface chip improves the NorFLASH utilization ratio to a greater extent.

The invention discloses an internet voting method and device, and belongs to the field of internet voting. The method comprises the following steps: determining an ongoing voting activity at present according to a summary voting configuration statement; searching records corresponding to voting activity IDs of the ongoing voting activity in a voting activity and option mapping table, and loading the records into a memory; receiving voting information transmitted by a voter, and analyzing tetrad records or a set of tetrad records from the voting information; judging whether the voting activity IDs and voting option IDs in the tetrad records or the set of tetrad records exist in the memory or not; and regularly writing a voting option vote table in the memory into a database. The records corresponding to the voting activity IDs are loaded to the memory, so that the real-time writing operation stress of the database can be effectively alleviated by virtue of a memory caching method, the system bottle neck caused by the database also can be avoided, and the real-time requirement on simultaneously carrying out large-scale internet voting activities with multiple sessions and multiple types can be met.

The invention relates to a reading and writing optimization method of an embedded memory, which is applicable to an eflash memory. The reading and writing optimization method comprises the following steps of: enabling a plurality of sectors with the same sizes on a logical page to correspond to a plurality of sectors with the same sizes on a physical page, and establishing a mapping relation between effective data on the logical page and the sectors on the physical page. Actually-stored data is found out for reading according to the mapping relation. In the writing operation, the actually-stored data is firstly read, if the data is a FF (Full Figure), the data is directly written; if the data is not the full figure, and the current sector is not positioned in the last sector, the data is written into the next sector, otherwise, all effective data on the current logical page is read into an SRAM (Static Random Access Memory), the corresponding physical page is erased, and values in the SRAM are written into the first sector on the erased physical page after being updated into latest values; and after the operation is finished, a mapping table is updated. The optimization method has the beneficial effects that the reading and writing operation of the eflash memory is simplified, the performance of a file system can be effectively improved, and the complexity of the system is simultaneously reduced.

The invention discloses a passive intelligent optical fiber network management system, comprising a radio frequency identification electronic tag, an optical distribution network frame, a plastic foot ring, a card reader and an application and control processing system, wherein a radio frequency identification core chip is arranged in the radio frequency identification electronic tag, the radio frequency identification core chip is composed of radio frequency current, a digital control circuit and an electrically erasable programmable read-only memory, a microstrip circuit is arranged on the radio frequency identification core chip, an antenna circuit is arranged in the microstrip circuit, the plastic foot ring is composed of a pigtail and a tray panel, the radio frequency identification electronic tag is bound on the pigtail, the plastic foot ring is connected to a service opening application interface and a resource management application interface, a pigtail port is connected with a tag base combination, and the card reader comprises a control unit, a high frequency interface for transmitting power and carrying out modulation-demodulation and an antenna connected at the outside of the high frequency interface. Compared with the prior art, the passive intelligent optical fiber network management system disclosed by the invention is a passive scheme and is used on outdoor passive line facility, the integration degree is high, and the working efficiency is high.

The invention discloses a cloud multi-road-point matching designated driving method, a cloud multi-road-point matching designated driving system, a cloud server and a client. The method comprises the steps of transmitting corresponding user information to the cloud server and storing into a user information table by a driver end and a passenger end; transmitting order information to the cloud server and storing the order information into an order pool by the passenger end; sequencing the order information in the order pool by the cloud server according to time priority and storing the order information into a schedule task table; transmitting an order receiving request by the driver end to the cloud server, receiving the schedule task table and randomly selecting one schedule task; moving the schedule task selected by the driver end to a historical schedule task table for storing and updating the schedule task table by the cloud server; transmitting geographical position information to the cloud server by the driver end, correlating the received geographical position information with the current schedule task of the corresponding driver end by the cloud server, updating the current schedule task state in real time and transmitting the current schedule task state to the passenger end until the schedule task is finished.

The invention discloses a radio frequency mail treatment system. The radio frequency mail treatment system comprises a mail conveyor, a radio frequency card reader, a mail and a prodding plate, the mail is provided with a radio frequency identification chip, the prodding plate is arranged beside the mail conveyor and is convenient for transmitting the mail to a side of the mail conveyor, and the radio frequency card reader is arranged at the corresponding side of the mail conveyor. The radio frequency mail treatment system is free of a complicated device, creatively arranges the radio frequency identification chip at the side of the mail and transfers the mail to the side of the mail conveyor by the prodding plate so that the radio frequency identification chip can be read and written by the radio frequency card reader. According to human conventional thinking and normal use habits, the radio frequency mail treatment system is provided with a mail turning device which is used for arranging the mail arranged according to the normal use habits in a mail state convenient for radio frequency mail treatment system-based mail treatment.

The invention discloses an online weighing and coding device. Online weighing, code reading and coding can be achieved. In the using process, a read-write electronic code is arranged at the bottom of a bottle, a conveyor belt conveys the bottle to the portion below a bottle grasping mechanical arm, a lifting device descends, the bottle grasping mechanical arm grasps the bottle, a horizontally-moving device horizontally moves the bottle grasping mechanical arm to the portion above a weighing device after the lifting device ascends, the lifting device descends so that the bottle drops on the weighing device, the bottle grasping mechanical arm loosens the bottle, the weighing device weighs a coal sample in the bottle, and after being acquired, weight information of the coal sample is written into the read-write electronic code through a coding device and covers original information in the read-write electronic code. Accordingly, daily use cost is reduced, automatic storage and search and automatic recognition are achieved, and code reading and coding are facilitated.

The invention belongs to the technical field of data acquisition and storage, in particular to a system of data acquisition and storage. The system of the data acquisition and storage comprises a filed programmable gate array (FPGA) chip, an analog to digital converter (ADC) component, a clock signal module and a first input first output (FIFO) system, wherein the FIFO system is realized in the FPGA chip. The FIFO system comprises a storage selective channel module and an FIFO write clock which are mutually connected. The FIFO write clock is remained to be in accordance with the clock signal module. The FPGA chip can drive the ADC component to collect analog signals. The clock signal module is connected with the ADC component. The output end of the ADC component is connected with the input end of the FIFO system. Compared with the prior art, the method and the system of the data acquisition and storage can utilize the FIFO system to store conversion results of the ADC component. Compared with the random access memory (RAM), the method and the system of the data acquisition and storage have a faster processing speed, and read-write is more convenient. The method and the system of the data acquisition and storage can effectively avoid the occurrence of 'race hazards' due to the fact that the storage selective channel module is set.

The invention relates to a method for converting Excel files into JSON files, belonging to a file format conversion technology, comprising the following steps: step A: receiving Excel data requested by a client; B, reading that data in the Excel data in the form of a Datatable, traversing the Datatable data as List, and finally reverse sequence the List to obtain JSON data; C, receiving the HTTP request sent by the client end, reading the basic element information in the JSON file, and then arranging the information according to the typesetting format of the EXCEL file and obtaining the typesetting result; D, cal that C + + language function library to generate an EXCEL file from the typesetting result, and sending the EXCEL file to the client after obtaining the EXCEL file. Compared withthe prior art, the method converts Excel files into JSON files for network HTTP requests is convenient to use, is easy to read and write, is easy to machine parse and generate, and effectively improves network transmission efficiency.

The invention relates to a method of soft measurement for concentration of reactant in an unsaturated polyester resin reacting kettle. The method uses a data acquisition module based on OPC (object linking and embedding for process control) technology, an abnormal data eliminating and pretreating module, a data normalization pretreating module, a digital filtering and wavelet treating module, a main factor analyzing module, and a self-adapting genetic algorithm optimized BP (back propagation) neural network soft measurement module. The method with high measurement precision for the soft measurement of the concentration of reactant in the reacting kettle during a batch process is provided, and the difficulty in measuring the reactant concentration in a batch reacting kettle is solved.

The invention relates to a calibration method for an electromagnetic compatibility test system. The calibration method comprises the steps: 1) determining the LISN impedance and the output voltage VL of the LISN in a signal-generator bleeder circuit according to the input frequency of an electromagnetic compatibility test system; 2) determining the input correction factor CSG_LISN of the LISN according to the relevant standard in the electromagnetic compatibility test and the voltage division relation between the signal-generator impedance and the LISN impedance in the signal-generator bleeder circuit; and 3) calculating the nominal output voltage VP of the signal-generator according to the output voltage VL of the LISN determined in the step 1) and the input correction factor CSG_LISN calculated in the step 2). By means of the LISN factor concept provided by the calibration method for an electromagnetic compatibility test system, the nominal output level of the signal-generator can be quickly and accurately determined through definition and application of the LISN factor so that the input end of the LISN can achieve the expectant target level.

The invention relates to an anti-fake retrospect method based on multiple spectral wavelengths. According to the method, fingerprints which are randomly printed with different kinds of absorption spectrum ink are adopted, radio frequency tag codes for variable data read-write are set, the fingerprints and radio frequency tags are associated, and a server or a cloud computing platform is adopted to perform encryption and used for associating the fingerprints and the radio frequency tags; during implementation, the fingerprints are produced on object surfaces, and the server or the cloud platform generates the radio frequency tag codes; all retrospect points read the radio frequency tag plain codes through monitoring equipment, and object positions and timestamps are modified and reported; and a terminal user reads the radio frequency tag plain codes through reading equipment and obtains a fingerprint spot-check position sequence after reporting to the server or the cloud platform to check authenticity. In this way, the fingerprints and the radio frequency tags are associated in use, and therefore variable information can be conveniently read and written while it is difficult to counterfeit the codes. Due to the complexity of the fingerprints, it is difficult to achieve the purpose of goods stringing by damaging packages, and implementation security is improved.