84results about How to "High speed storage" patented technology

The invention discloses a tunnel defect recognition method and a multi-image recognizing method. A linear array charge coupled device (CCD) and an image fusion technique are adopted to acquire and store digital images of a tunnel surface at a high speed, furthermore a digital image processing algorithm is adopted to perform characteristic classification modeling on known tunnel defects, a characteristic database is established for defect characteristic matching and defect recognition, and thus the defect detection efficiency and the accuracy are improved. The potential defect characteristics are repeatedly extracted by utilizing multiple detection means, the detection efficiency is ensured, and the accuracy in defect classification and the accuracy in parameter estimation are improved.

The invention discloses an FPGA based multichannel high-speed image data acquisition and storage system. The system is characterized by comprising a signal conditioning module, an analog / digital (A / D) conversion module, a high-speed data transmission module, an FPGA control module, an array type storage module, a communication module and an adjustable configuration module. The signal conditioning module, the A / D conversion module, the high-speed data transmission module and the FPGA control module are connected successively. The FPGA control module is connected with the array type storage module, the communication module and the adjustable configuration module simultaneously and performs data interaction with an upper computer. The system is capable of achieving data capturing and rapid storage of high-speed image sensors and can be widely applied in data acquisition and storage with similar requirements of high speed, high accuracy, high data rate and multiple channels.

The invention relates to a method and a system for expanding the capacity of a memory device. The method for expanding the capacity of a memory device comprises the following steps of connecting a plurality of memory devices to form a memory device group and is characterized by further comprising the steps of: recording the connecting address of each memory device and all available ID numbers of a basic memory cell of the memory device; distributing and recording the unique virtual ID number for each basic memory cell; associating each virtual ID number with the connecting address of the corresponding memory device and the ID number of the basic memory cell; and accessing to the corresponding basic memory cell via the virtual ID number. The invention also discloses a system for realizing the method. The invention ensures that a plurality of memory devices are virtualized to form a large hard disc with the capacity being equal to the total capacity of the plurality of memory devices, thereby realizing the unlimited expansion of the memory capacity, greatly improving the memory capacity and realizing the network memory.

The invention discloses a parallel LED drive method based on three-dimensional display and a system thereof. A whole LED screen is divided into M rows*N lists of sub-screens; each sub-screen includes I rows*j lists of color LED pipes; each sub-screen is corresponding with one drive circuit; and images on every sub-screen are all displayed in parallel. Every drive circuit sends a list of image signals in the sub-screen to a list of LEDs on the sub-screen to ensure that a list of LEDs are displayed at the same time; and the display of the images of the whole sub-screen is realized by scanning different lists in sequence. A PC machine is connected with a PCI-E bridge, an electro-optic conversion module, a photoelectric conversion module, a main control field programmable gate array, a distribution field programmable gate array, an LED drive chip and an LED screen orderly. The distribution field programmable gate array is connected with a multi-path gating apparatus module, a high power apparatus module and the LED screen. The invention realizes the high speed transmission, storage, processing and display of mass data, improves the refresh rate of the image greatly as well as the brightness and resolution of the screen.

The invention relates to the technical field of automobile positioning, and particularly relates to a method for positioning and navigating an automobile in a parking lot through a camera. The methodcomprises the steps of firstly, constructing a parking lot into a navigation map mode; defining the coordinates of each parking space and each line; inputting the map into a host, moving the vehicle to different points from an entrance, using the camera to calculate the XYR data of the vehicle according to the size of the image and the feature points, using the cloud server host to upload the parking data to a cloud server, so that after a mobile terminal receives the information, the mobile terminal can use the parking space of the parking lot as a target for navigation. According to the invention, the license plate information and the vehicle size data are obtained through the camera at the entrance and then are sent to a system for virtually constructing a shape image, a minimum numberof cameras are used to track and attach, and the position data of the movement and parking after the vehicle enters the parking lot is obtained, so that the related information required by the vehicleparking can be obtained with the extremely low equipment investment cost.

The invention discloses a test method and a device for optical voltage transformer dynamic property research. A board NI7813R which contains field programmable gate array (FPGA) is utilized to substitute the FPGA in the closed-loop detection circuit of the original optical voltage transformer, an isolation device is arranged between an analog-digital / digital-analog converter of the closed-loop detection circuit and the FPGA of the board NI7813R for connection and communication, and the FPGA of the board NI7813R is connected with a computer through a peripheral component interconnect (PCI) bus; the test device has the capabilities of high speed data acquiring, storing and processing, closed-loop state variables can be displayed and stored by the computer, so the working condition of a system closed loop is monitored in real time; no other external equipment is needed, sine excitation signals and step-input singles with tunable frequency are provided by a hardware of the measurement device, so the frequency characteristic and the closed-loop step response performance of an optical voltage mutual inductance system are tested; and the frequency characteristic of an internal function module in an optical voltage transformer can be tested, a high frequency dynamic model of the module is built, and a foundation is laid for the optical voltage transformer dynamic property research.

The invention relates to a high-speed and low-power Ti-Ge-Sb nanocomposite phase change thin film and its preparation and application. The thin film is a Ge8Sb92 nano phase change thin film doped with a metal element Ti and has a chemical composition conforming to the chemical formula Tix(Ge8Sb92)1-x, where x is the atomic percentage of the metal Ti element and 0<x<0.3. The surface and backside of a SiO2 / Si (100) substrate is cleaned firstly to remove dust particles and organic and inorganic impurities during preparation, and then the phase change thin film is prepared by means of magnetron sputtering and co-sputtering. Compared with the prior art, the invention has a faster SET operation speed, a higher crystallization temperature and crystallization activation energy, and a larger crystalline resistance, and facilitates the realization of a high-speed and low-power storage PCRAM.

The invention discloses a high speed large capacity data collection system which is based on CPLD and SDRAM. Analog signals are inputted into the signal input port of suited input network circuit(1), the signal output port of the (1) is connected to the signal input port of magnifying and buffering circuit (2), the signal output port of the (2) is connected to the analog signal input port of analog / digital transforming circuit (3), the data output port of the (3) is connected to the data input port of CPLD control unit circuit (4), the time signal input port of the (3) is connected to the time signal output port of the (4), the data output port of the (4) is connected to the data input port of the data input port of interface circuit(5), the data output port (4) is connected to the data input and output ports of (6). The highest sampling frequency is 100MHz, storing capacity is 256MBit, and it has several excellences such as big buffer capacity, expansible, high integrity, high reliability, high antijamming capability and so on, it can be used in high speed testing and controlling system, and image collecting and dealing system.

This invention belongs to the field of electronic information, especially involving ultra-high-resolution camera imaging detection system and method. This invention provides the ultra-high-resolution camera imaging detection System. It has multi-channel data acquisition of massive image which connects separately with multi-channel photosensitive element of camera, also it has graphics workstation. Each data acquisition channel of massive image includes: Signal matching modules, interface circuit, I / O control modules, front-end data receiver module, mass storage equipment control module, massive image processor as fast. The graphics workstations connect with the data acquisition channel of massive image, which is used to control the whole system, display the full-channel image and do various functional operations. This invention also provides an ultra-high-resolution imaging camera detection method, it sends the data from the multi-channel data acquisition of massive image to the graphics Workstation at which processes the integrated treatment to the acquisition data, and achieves the goal of display and zoom of the overall image.

The invention discloses a data encryption and decryption device and method for USB storage devices. The method of using the device includes connecting an encipherer to a computer and the USB storage device, inputting a correct key, and performing encryption, decryption and storage operations on data. The device comprises a device which communicates with a master and which is provided with a USB interface, a data decompression module, a device which communicates with a storage terminal and which is provided with a USB slot, a storage device control module, an encryption and decryption module, a key management module, a power supply and a generating circuit of a clock. The encryption and decryption module performs encryption and decryption in a manner of multiple cipher engine concurrent. The method is used for encrypting and decrypting data in the storage device provided with a USB interface on the basis of the encipherer, and has the advantages of high safety, compatibility and generality and high-speed storage.

The invention provides a write method and write device for a solid-state storage hard disk. The method comprises the following steps of dividing a plurality of pages of each data block of the solid-state storage hard disk into p metadata pages, n cache pages and m data pages, wherein p is an integer which is more than or equal to zero, and n and ma are an integer which is more than or equal to 1; receiving a write request; positioning a first data block according to the write request; judging whether the write request is used for updating the data in the first data block or not; judging whether n cache pages in the first data block are fulfilled or not if the write request is used for updating the data in the first data block; arranging the data in the n cache pages of the first data block to obtain the arranged cache data if the n cache pages are fulfilled; and writing the arranged cache data and the data corresponding to the write request into a data page in a second data block. The method can store the data at a high speed and is simple and easy to realize.

The invention relates to the technical field of blockchains, and discloses a multi-version data storage method and device, computer equipment and a storage medium. The method comprises the steps of receiving a modification instruction for specified node data of an MVB tree; copying the first tree node data on the specified node data index path to obtain copied second tree node data; and modifyingthe second tree node data according to the modification instruction, and generating a modified version of the MVB tree according to the node data not in the index path and the modified second tree node data. According to the invention, the storage efficiency of the blockchain data can be improved.

The invention discloses a storage module on the basis of a VPX single-slot structure. The storage module is based on a 6U VPX standard card. An FPGA (field programmable gate array), a PowerPC, a powersupply chip and inter-board connectors are mounted on the card, an SSD (solid state disk) storage assembly is plugged in the PowerPC by the FPGA and comprises 16 solid state disks (SSD), the solid state disks (SSD) are connected with the FPGA by SATA3.0 data cables, the capacity of each solid state disk (SSD) is 1T, and the 16 solid state disks (SSD) without shells are connected with the inter-board connectors by flexible printed circuit boards and are arranged in a slot position space in an overlaid manner; the FPGA is connected with the PowerPC by a PCIe3.0 data cable. The storage module has the advantages that the storage module which is a 6Gb / s storage module on the basis of the VPX single-slot structure has the storage capacity of 16 TB and the data read-write bandwidth of 6Gb / s in astandard 6U 5HP slot position.

The invention relates to a differential-pressure method gas permeameter with energy utilization monitoring capability and environment detecting capability. The differential-pressure method gas permeameter of the invention has energy utilization monitoring capability and environment detecting capability, simultaneously has sample information acquisition capability and data sending and receiving capability, realizes the purposes of monitoring and recording power utilization conditions of equipment and experiment environment conditions, realizes the acquisition of sample information, and simultaneously can realize the purpose of sending the data in a processing unit to an external information server through a communication unit. The differential-pressure method gas permeameter of the invention comprises the processing unit, wherein the processing unit is in two-way communication with a differential-pressure method gas permeation testing unit and a storage unit; the input end of the processing unit is also respectively connected with an energy monitoring device and an environment detecting unit; the energy monitoring device is installed in a power supply module, monitors the service condition of the electric energy, and sends the energy consumption data into the processing unit; and the environment detecting unit uses a detection sensor for detecting the environment condition, and sends the environment information into the processing unit.

The invention provides an integrated information processing platform for a remote sensing micro-nano satellite. The integrated information processing platform comprises a data processing module, a satellite optical load module, a satellite integrated electronic unit and a vibration measurement unit; the satellite optical load module provides load image data for the data processing module; the satellite integrated electronic unit provides GNSS data and attitude control data for the data processing module; the vibration measurement unit provides micro-vibration measurement data for the data processing module; and the data processing module conducts time synchronization on the received load image data, micro-vibration measurement data, attitude control data and GNSS data, and fuses the load image data, the micro-vibration measurement data, the attitude control data and the GNSS data according to a corresponding data model so as to correct and optimize original load image data.

The invention provides a method and a device for measuring current density distribution of an electric arc aiming at the defects of complicated device, insufficient measurement precision, unintuitive measurement result and the like in the prior art. The method has simple device, high measurement precision and simple late data process, and the current density distribution can be intuitively reflected. According to the method disclosed by the invention, a screw is driven by the motor to rotate so as to drive a sliding element arranged on a sliding groove and a current collecting component to move oppositely to the electric arc in measurement, the current value of the electric arc is subjected to scanning collection through the current collecting component, then a mathematical model of a current density value of the electric arc is built, and the energy distribution of the section of the electric arc on the anode surface is divided into each pixel point of which the area rule is solvable so as to solve the current density distribution value of the electric arc.

The invention discloses a detection device and a detection method for a target image of a large non-uniform light field. The detection device comprises an upper computer, an image acquisition device and two groups of non-uniform illumination arrays, wherein the image acquisition device comprises a frame pole on which cameras are arranged; each group of non-uniform illumination array comprises a frame role on which light sources are arranged; each light source comprises a casing provided with a metal halide light source; a lens and an optical window are arranged at the front end of each casing. The detection method comprises the following steps: obtaining the maximum observation distance according to the transparency of a water body; calculating the minimum size of the optical axle distance; placing and illuminating the device; acquiring the image. According to the detection device and the detection method disclosed by the invention, the illumination of the 3m*4m wide-range non-uniform light field can be realized at the distance of 15m in the space; the defects that a single bundled light source is narrow in observation range and has a blind zone at a short range are overcome; the working distance extends to the length of 1.9 times of the visibility while the observation range of field depth is widened.

The invention discloses a parallel LED drive system based on three-dimensional display. A whole LED screen is decomposed into son screens with M rows and N columns; each son screen contains color LEDs with i rows and j columns; each son screen corresponds to a drive circuit, and images of all the son screens are simultaneously displayed in parallel; each drive circuit simultaneously delivers a row of image signals in the son screen into a column of LEDs on the son screen so that a column of LEDs are simultaneously displayed; and the image display of the whole son screen is realized through the sequential scanning of different columns. A PC (Personal Computer) is connected with a PCI-E bridge, an electrooptic conversion module, a photoelectric conversion module, a main control field programmable gate array, a distribution field programmable gate array, an LED drive chip and an LED screen in sequence; and the distribution field programmable gate array is connected with a multipath selection device module, a high-power device module and an LED screen in sequence. The parallel LED drive system based on three-dimensional display realizes high-speed transmission, storage, processing anddisplay of mass data, greatly increases the refreshing rate of images and increases the luminance and resolution ratio of the screen.

The invention discloses a broadcast-quality high-speed high-definition camera, comprising a machine case and a lens mount, wherein an image sensor and a circuit board are arranged in the machine case; a lens is fixed at the front part of the machine case via an adapter ring of the lens mount and is connected with the image sensor; the circuit board comprises a storage device, an FPGA data acquisition board, a main board and an image signal processor; the FPGA data acquisition board uses an FPGA chip with a PCI-E hard core and is connected with the image sensor and the image signal processor via SPI interfaces; the image sensor is connected with a staticizer on the FPGA data acquisition board via a low voltage difference signaling (LVDS) receiver; the main board is connected with the storage device and the FPGA data acquisition board via PCI-E interfaces. The broadcast-quality high-speed high-definition camera of the invention is simple in structure, convenient for operating and using, and can be used for collecting, transmitting, storing and playing broadcast-quality high-definition video data with high speed.

The invention discloses a high-speed high-definition image collecting and storing device for a biological microscope. The high-peed high-definition image collecting and storing device comprises digital cameras, a main control computer, slaves, a trigger controller and an exchanger, the main control computer and each slave are connected with one digital camera respectively, a 1394 port of the main control computer is connected with a 1394 port of one digital camera, a 1394 port of each slave is respectively connected with the 1394 port of one digital camera, an RJ45 internet port of each slave is connected with an RJ45 internet port of the exchanger, the RJ45 internet port of the exchanger is connected with an RJ45 internet port of the main control computer, a universal serial bus (USB) port of the main control computer is connected with a RS232 serial port of the trigger controller, and an external trigger output port of the trigger controller is respectively connected with an external trigger port of each digital camera. By means of the collecting and storing device, two or more biological microscope digital cameras can be supported to simultaneously take photos, and high-definition uncompressed images can be obtained in a high-speed and stable mode.

The invention aims at solving the shortcomings of complex equipment, insufficient measurement precision, unintuitive measurement results and the like in the prior art and provides a method and a device for measuring current density distribution of arc. The method is characterized in that the equipment is simple, the measurement precision is high, the post data processing is simple and the current density distribution can be intuitively reflected. When the device is used for measuring, an electric motor drives a screw rod to rotate; then a sliding part and a current collecting part which are arranged at a sliding groove are driven to move relative to arc; scanning collection is performed on current value of arc by the current collecting part; a mathematical model of the current density distribution of arc is established; energy distribution of the arc on the section of the surface of positive pole is divided into each pixel point the area of which is regular and computable; and then the current density distribution value of the arc is solved.

The invention discloses a biological-body-surface weak-electric-signal collecting and exciting control system.A flexible PCB is used as an electrode detecting array of a substrate at a front end, and the front end is connected with a controllable channel selector through a shielding cable, and is further connected with a single-chip microcomputer control system.A signal control end comprises a signal front-end input photocoupling amplifying module, a low-pass filtering module, a single-chip microcomputer control module, an output amplifying module, an externally-connected storage module and an input keyboard, and the single-chip microcomputer control module is connected with the storage module through a serial port.As electrode array points are scanned, controlling over the states of all the electrode points is achieved, and therefore efficient measuring of the electrode array is achieved.

The invention relates to a GPU-oriented texture buffer data storage TLM model based on SystemC and an implementation structure thereof, and the TLM model comprises an address verification unit which is used for verifying the effectiveness of a texture data address, and generating and sending effective information when judging that the texture data address is effective; T. The write buffer area unit is used for writing the texture data into the memory space unit when effective information is received; T. The read buffer area unit is used for reading texture data from the memory space unit wheneffective information is received; T. The memory space unit is used for receiving the texture data written by the write buffer unit or providing the texture data for the read buffer unit; and the storage data display unit is used for displaying the texture data written by the write buffer unit and the size of the texture data read by the read buffer unit and carrying out performance evaluation. According to the hardware TLM model, a large amount of texture image buffer data can be stored at a high speed, and the access speed is increased.

The invention discloses an intelligent water meter based on the internet of things. The intelligent water meter comprises a microprocessor, an LCD, a flow sensor, a wireless communication module, an electromagnetic valve, an electromagnetic valve driving module, an intelligent gateway and a monitoring center; the microprocessor is electrically connected with the flow sensor, the LCD, the wirelesscommunication module and the electromagnetic driving module separately; the wireless communication module is in communication with the monitoring center through the intelligent gateway; the flow sensor comprises a control module, a digital-to-analogue conversion module, an ultrasonic wave energy transducer and a signal conditioning circuit connected in sequence; the signal conditioning circuit isfurther connected with the microprocessor. According to the intelligent water meter based on the internet of things, not only can the monitoring center remotely inquire parameters of pipe flow and control the pipe flow, but also the detection precision can be improved by a large margin.

The invention belongs to the technical field of phase change energy storage materials and particularly relates to a phase change heat storage buffer material and a preparation method and application thereof. A base resin is filled with a phase change energy storage microcapsule material as a filler so that the phase change heat storage buffer material is obtained and has good heat storage and buffering performances. Through the properties of the phase change material, the phase change heat storage buffer material stores the heat produced by the high-speed operation of the electronic componentsand uses the heat so that the phase change heat storage buffer material is suitable for fields of microelectronic components and electronic devices.

The invention relates to a real-time voice storage system and method based on a digital signal processor (DSP) and a universal serial bus (USB). The real-time voice storage system comprises a voice signal collection module, a voice signal processing module and a voice signal storage module and is characterized in that the voice signal collection module comprises a preprocessing circuit and a voice coding and decoding module, the voice signal processing module comprises a DSP and a storage, and the voice signal storage module comprises a USB interface chip and a USB interface circuit. The real-time voice storage method is characterized in that more than 9 voice data buffer areas are adopted to store collected voice data, USB flash disk data buffer areas with the number at least two times that of the voice data buffer areas are adopted, and data stored in the voice data buffer areas are converted to be USB flash disk data. The real-time voice storage system has the advantages of being fast in storage, low in power consumption, small in volume, convenient to use and the like. The real-time voice storage method has the advantage of being high-speed, real-time and continuous in voice collection and storage, can achieve uninterrupted voice data collection without losing voice sampling points, and ensures voice recording integrity.

An organism surface electrical signal detecting electrode array comprises an electrode carrier of a flexible printed circuit board, wherein the electrode carrier adopts double-sided printed circuit wiring; electrode points in array arrangement are arranged on the electrode carrier; the electrode point array of the electrode carrier is averagely partitioned into two zones left and right, and the two zones use 2-3 mm printed circuit PCB wires as ground wires respectively to form full closure; miniature heating resistors are also arranged on the electrode points; each miniature heating resistor is provided with two pins; one pin is connected to a common interface end through PCB wiring on the side opposite to a welding pad; the other pin is connected to a 5V power supply through the PCB wiring on the side opposite to the welding pad; the miniature heating resistor is connected with the welding pad and welding tin in an insulated way; the miniature heating resistor body is embedded into the welding tin. The organism surface electrical signal detecting electrode array can keep the temperature of each electrode point controllable, so that the temperature error is reduced.

The invention discloses a creature body surface electric signal detection method for reducing temperature errors. The creature body surface electric signal detection method comprises the following steps: dividing array electrode points on an electrode carrier into four regions; performing whole sealing encircling by using printing circuit wires as ground wires of 2-3mm respectively; arranging electric heating wires in parallel among electrode rows in the four regions; after an electrode substrate enters into a state to be tested, performing scanning detection on a first electrode signal of each row on the substrate through a single chip microcomputer; after scanning is completed, acquiring the maximum value Vm, and calibrating scanning on the electrode points one by one, wherein a calibration equation is provided. By adopting the creature body surface electric signal detection method, other introduced errors such as contact resistance, humidity variation and external interference can be counteracted by virtue of temperature drift errors, and thus the detection errors can be minimized.

The invention provides a spin-orbit moment magnetic random access memory unit, an array and a Hamming distance calculation method, the spin-orbit moment magnetic random access memory unit comprises a magnetic tunnel junction, a first transistor and a second transistor, the drain end of the first transistor is connected with the bottom of the magnetic tunnel junction, and the drain end of the second transistor is connected with the top of the magnetic tunnel junction. Deterministic spin magnetization overturning without an external magnetic field is achieved under the condition of a full electric field, meanwhile, the characteristic that resistance state change is controlled through non-polar current is achieved, the array formed by the spin-orbit moment magnetic random access memory units can achieve storage and calculation integrated exclusive OR logic under control of a peripheral circuit, and therefore, the method can be used in hardware implementation of reconfigurable high parallel computation, such as Hamming weight and Hamming distance computation in a memory.

The invention provides a multi-channel electromagnetic ultrasonic thickness measuring system, which realizes the high speed acquisition, calculation, storage and display of multi-channel ultrasonic echo data. The system provides high performance and it is cost effective and small in size. It consumes less energy as well. The system comprises an electromagnetic ultrasonic energy transducer, an electromagnetic ultrasonic thickness measuring instrument and a host computer. The electromagnetic ultrasonic thickness measuring instrument comprises a signal excitation and reception module, a signal processing module, and a display module wherein the signal excitation and reception module and the signal processing module are interconnected and the output end of the signal processing module is connected with the display module. The input end of the signal excitation and reception module of the electromagnetic ultrasonic thickness measuring instrument is connected with the signal output end of the electromagnetic ultrasonic energy transducer; the signal processing module and the host computer are interconnected. The signal excitation module includes a pulse signal generating circuit, a driving circuit, a MOS tube, and a transmitting pulse generating circuit wherein the pulse signal generating circuit is connected with the driving circuit, the driving circuit is connected with the MOS tube, the MOS tube is connected with the transmitting pulse generating circuit, and the collector terminal of the MOS tube is connected with a high voltage power supply.