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43 results about "OMAP" patented technology
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The OMAP (Open Multimedia Applications Platform) family, developed by Texas Instruments, was a series of image/video processors. They are proprietary system on chips (SoCs) for portable and mobile multimedia applications. OMAP devices generally include a general-purpose ARM architecture processor core plus one or more specialized co-processors. Earlier OMAP variants commonly featured a variant of the Texas Instruments TMS320 series digital signal processor.
Video data processing method and video data processing device
ActiveCN104702909ASolve the problem of real-time monitoringSolve the problem that high-resolution video recording cannot be realized in related technologiesClosed circuit television systemsDigital video signal modificationVIT signalsVideo bitstream
The invention discloses a video data processing method and a video data processing device. The video data processing method includes: converting one or more channels of original video data acquired currently into video data in a preset format by means of image signal processing; according to channel number of a to-be-outputted video bitstream, adopting a Resize module in an OMAP (open multimedia application platform) processor to subject each branch of video data in the preset format to scaling for one or more times; coding and packaging the scaled video data to output a multi-channel video bitstream. According to the technical scheme, bitstream data in different demands can be generated, and low-resolution real-time video previewing on a remote network platform and local high-resolution videorecording of the same channel of data can be realized efficiently and simultaneously.
Owner:HANGZHOU HIKVISION DIGITAL TECH
Dual-mode navigator with GPS receiving mode and plough receiving mode
InactiveCN103344969AIncreased number of visibleImprove reliabilitySatellite radio beaconingAudio power amplifierDual core
The invention provides a dual-mode navigator with a GPS receiving mode and a plough receiving mode. Satellites of two constellations can be used at the same time, so that the visible number of the satellites is increased. The navigator comprises an analog signal processing module, a GPS receiving module, a plough receiving module, a processor module and a power supply module. The analog signal processing module comprises an antenna, a low-noise amplifier, a filter and a power divider. The GPS receiving module comprises a GPS radio frequency front end module and a base band signal processing module. The plough receiving module comprises a plough radio frequency front end module, a high-speed A / D converter, an FIFO cache and an FPGA. The processor module is an OMAP dual-core processor which comprises a DSP core and an ARM core.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Speech signal processor for cochlear implant based on dual core processor
InactiveCN101926692AStrong digital signal processing abilityHigh Acquisition AccuracyEar treatmentProsthesisDual coreRegulated power supply
The invention discloses a speech signal processor for a cochlear implant based on a dual core processor, belonging to the technical field of cochlear implantation, which is characterized by comprising a core processor unit, an audio unit, a radio transmission unit, a storage unit and a power management unit, wherein the core processor unit comprises DSP+ARM low power consumption dual core processor OMAP-L137 and a protective circuit; the audio unit consists of an audio coder decoder, a front-end voice acquisition interface connected with a microphone and a rear-end headset output interface; the radio transmission unit consists of a baseband signal generation circuit, an amplification and a filter circuit, a modulation circuit and a power amplification circuit; the storage unit is composed of an NAND Flash circuit, an SDRAM circuit and a Micro SD card circuit; and the power management unit is composed of double throw switch, a diode, a fuse, an external power input interface of +5V, an external lithium battery input interface of +4.2V, a main power management circuit, a first voltage conversion circuit and a second voltage conversion circuit so as to satisfy requirements of all parts of a system.
Owner:TSINGHUA UNIV
Ad Hoc network Construction method based on OMAP 3530Mini development board
InactiveCN101790174AEasy to getReduce volumeNetwork topologiesNetwork planningVoice communicationAodv routing protocol
The invention relate to an Ad Hoc network construction method based on an OMAP 3530Mini development board which realizes the Ad Hoc network by using the OMAP 3530Mini development board as a hardware platform and using a wireless local area network card as hardware support. The method comprises the following steps of: manufacturing an embedded kernel suitable for the OMAP 3530Mini development board in the development environment of Ubuntu, adding necessary function in the kernel to adapt the requirement of the Ad Hoc network, manufacturing a simple root file system to finish the basic function of the file system, compiling the driver of the wireless local area network card in an intersecting way so that the driver can be successfully operated on the development board, driving the wireless local area network card to operate, compiling a wireless configuration tool in an intersecting way to perform network configuration on the wireless local area network card, transplanting an AODV (Ad Hoc On-demand Distance Vector) routing protocol so that a node in the network can perform multi-hop communication so as to finally construct the Ad Hoc network, performing point-to-point communication test and multi-hop test on the constructed network, and performing tests of functions for word communication, voice communication, ftp file transmission and the like.
Owner:XI AN JIAOTONG UNIV
System and method for processing multimedia information of sensor network based on OMAP (Open Multimedia Application Platform)
InactiveCN102378133AFlexible and convenient accessExcellent handlingNetwork topologiesMessaging/mailboxes/announcementsDual coreOMAP
The invention discloses a system and method for processing multimedia information of a sensor network based on an OMAP (Open Multimedia Application Platform). The system for processing multimedia information of the sensor network based on the OMAP is characterized by comprising an ARM (Advanced RISC Microprocessor) and a DSP (Digital Signal Processor) of the OMAP, wherein the ARM is mainly used for controlling the whole system; the DSP is mainly used for processing the multimedia information; and the ARM communicates with the inner part of the DSP through sharing the RAM; a sensor information module, a video information module and an audio information module which are connected with the DSP processor under the control of the ARM microprocessor; and an intermediate- and high-speed transmission interface module, a serial port module, a power management module, a GPS (Global Position System) module, a touch screen module, an upper computer and a WIFI (Wireless Fidelity) module which are connected with the ARM. The system and method for processing multimedia information of the sensor network based on the OMAP disclosed by the invention adopt an OMAP dual-core structure with excellent performance so that multimedia information such as audio / video and various sensor data can be acquired, sent, received and processed in real time; and the system and method for processing multimedia information of the sensor network based on the OMAP disclosed by the invention can be widely applied to fields, such as military reconnaissance, public security and the like as well as have very strong practicability.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
OMAP (open multimedia application platform) hardware decoding acceleration based embedded high-definition media player and operation method thereof
InactiveCN104796768AImplement decodingAchieve rotationSelective content distributionDual coreOpen source
The invention discloses an OMAP (open multimedia application platform) hardware decoding acceleration based embedded high-definition media player and operation method thereof. The player comprises an ARM+DSP (digital signal processor) dual heterogeneous processing chip, open-source application software is carried on the ARM+DSP dual heterogeneous processing chip, the open-source application software is an MPlayer or a GSstreamer, and hardware decoding, software decoding, frame zooming and rotating of a video format are realized. High-definition hardware decoding playing of the common video format is realized by the aid of hardware, and decoding playing of an uncommon video format is achieved by the aid of software. Screen turning is achieved by the aid of DSP according to the characteristics of a screen media system, and self-adaptive playing on a horizontal screen and a vertical screen is realized.
Owner:SUZHOU CHIEN SHIUNG INST OF TECH
Navigation computer of optical fiber gyro strapdown system based on OMAP
InactiveCN103323006AImproved efficiency of navigation calculationsSatisfy the operation speedNavigational calculation instrumentsNavigation by speed/acceleration measurementsAccelerometerExternal storage
The invention provides a navigation computer of an optical fiber gyro strapdown system based on OMAP, which relates to the navigation computer of a strapdown system. The invention intends to solve the problem of low navigation calculating efficiency of the navigation computer of a current strapdown system. Three-way gyro signal and three-way accelerometer signal output terminals of a data acquisition module of the navigation computer are connected with three-way gyro signal and there-way accelerometer signal input terminals of a navigation calculating and controlling module, storage signal input and output terminals of an external storage module are connected with storage signal input and output terminals of the navigation calculating and controlling module, and transmission signal input and output terminals of an external transmission module are connected with transmission signal input and output terminals of the navigation calculating and controlling module; interaction signal input and output terminals of a man-machine interaction module are connected with interaction signal input and output terminals of the navigation calculating and controlling module; and the navigation calculating and controlling module are implemented by an OMAP-L137 processor. The navigation computer of an optical fiber gyro strapdown system based on OMAP is suitable for the optical fiber gyro strapdown system.
Owner:HARBIN ENG UNIV
Automated testing device for power distribution terminal
ActiveCN105242154AGuaranteed flexibilityImprove real-time performanceElectrical testingTest efficiencyFunctional testing
The invention discloses an automated testing device for a power distribution terminal. The automated testing device is characterized by comprising an OMAP module, an FPGA module, a display module used for man-machine interaction, wherein the OMAP module and the FPGA module communicate with each other through a data bus, the FPGA module is connected with a telemetering input testing interface and carries out processing on tasks at a telemetering input side, the OMAP module is respectively connected with a remote signaling input testing interface and a remote control input testing interface and carries out processing on tasks at a control side, and a standard model of the automated testing device is used for constructing a plurality of the power distribution terminals into a plurality of logical devices according to a modeling principle of an IEC61850 standard, so as to achieve function tests of the power distribution terminal. The automated testing device for the power distribution terminal solves the problems that the existing state grid typical design power distribution terminal is low in testing efficiency, the field maintenance workload is great and the like.
Owner:NARI TECH CO LTD +1
Control device and control method of modular multi-level high-voltage frequency converter
The invention relates to a control device and control method of a modular multi-level high-voltage frequency converter. According to the invention, a hierarchical control mode suitable for the modular multi-level high-voltage frequency converter is provided according to the special structure of the modular multi-level high-voltage frequency converter. The control device includes a monitoring layer, a control layer and a field layer; the monitoring layer includes a specific control upper computer designed through adopting LabVIEW; the control layer adopts an OMAP-L137 and an FPGA with powerful processing and computation functions; and the field layer includes a plurality of data acquisition boards and a plurality of sub control boards. Separate control modes are adopted for the rectification side and inversion side of the modular multi-level high-voltage frequency converter; and the quantity of DSP data acquisition interface resources and PWM output interface resources fully satisfies the control requirements of the modular multi-level high-voltage frequency converter.
Owner:ANHUI UNIV OF SCI & TECH
Stacking method and system of video image with adjustable transparence based on OMAP chip
InactiveCN106899878AIncrease flexibilityImprove convenienceTelevision system detailsColor television detailsInteraction interfaceOMAP
The invention discloses a stacking method and system of a video image with adjustable transparency based on an OMAP chip. The system comprises a user operation module, an acquisition module, a storage module, an ARM control module, a DSP operation module and a display module. A user selects a picture wanting to be stacked to display and a transparency value thereof through an interaction interface of the user operation module, preprocesses an OSD (on-screen-display) picture, and then writes in a cache zone of the storage module; the OMAP chip ARM control module and acquisition module acquire real-time video data in a specific format; the OMAP chip DSP operation module perform pixel-level weighted computation on the real-time video data and the picture data according to a set transparency value; and the display module display a final stacking fusion effect through an LCD screen. An operation of stacking the transparent OSD on the real-time video is independent of the complexity of the picture selected by the user, the real-time modification of the mixed transparence is supported, and the flexibility and the convenience of the OSD are improved.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA
Software partition of MIDI synthesizer for HOST/DSP (OMAP) architecture
InactiveUS7065380B2Reduce system costLow costElectrophonic musical instrumentsSubstation equipmentGeneral purposeFixed-function
A system and method implements optimal task partitioning between a general purpose processor (GPP) and a digital signal processor (DSP) to replace a fixed function ASIC solution with an OMAP software solution to implement a 3G phone that uses OMAP and requires MIDI synthesis, yielding a reduced system cost.
Owner:TEXAS INSTR INC
Shortwave information channel modulation-demodulation module based on OMAP chip and Ethernet bus
InactiveCN103428136ARealize the function of modulation and demodulationReduced Radiation RequirementsModulated-carrier systemsTelephonic communicationEmbedded systemVoice data
The invention discloses a shortwave information channel modulation-demodulation module based on an OMAP chip and an Ethernet bus. The shortwave information channel modulation-demodulation module comprises an OMAP3530 control chip, an FPGA chip, an A / D converter, an upper conversion processing chip, a lower conversion processing chip and an Ethernet interface chip. The control chip reads voice data signals and external control instructions from the Ethernet bus through the Ethernet interface chip and feeds back the state information to the Ethernet bus. The A / D converter samples shortwave radio-frequency signals and transmits the shortwave radio-frequency signals to the lower conversion processing chip for lower conversion processing and then to the FPGA chip for filtering processing so as to achieve inner logic control of the modulation-demodulation module. The control chip is connected with the FPGA chip for receiving filtered and demodulated digital signals, and the Ethernet interface chip transmits the digital signals to the Ethernet. The shortwave information channel modulation-demodulation module is suitable for serving as a core module of the shortwave information channel device, can modulate and demodulate the shortwave signals and improves software portability and module universality.
Owner:PANDA ELECTRONICS GROUP +1
OMAP-L137-based portable static Fourier transform spectrometer
InactiveCN105486407AReduce power consumptionImprove performanceInterferometric spectrometryElectricityTemperature control
An OMAP-L137-based portable static Fourier transform spectrometer. The static Fourier transform spectrometer is high in performance, small in size and low in power consumption, is miniaturized, intelligent and portable, and can perform collection and mass data and processing of complex operation. The portable static Fourier transform spectrometer comprises a power module, a temperature control module, a spectral data collection module, a memory expansion module, a human-computer interaction module, a function expansion module and a CPLD module; the temperature control module is internally provided with a temperature control output circuit, an electric heating shell, a temperature shell, a temperature sensor and AD7710 which are electrically connected in sequence; the human-computer interaction module is internally provided with AD7843 and a touch screen controller and an LCD display screen AT050TN22 which are electrically connected with the AD7843, and the temperature control module and the human-computer interaction module are electrically connected with an OMAP-137 main control chip through an arranged SPI1 interface module to communicate; and the spectral data collection module is internally provided with an optical system linear array CCD, an SPI0 interface, ADSI178 and OPA4348 which are electrically connected in sequence and communicate with the OMAP-137 main control chip through the arranged SPI0 interface.
Owner:陶建臣
OMAP-based ultraviolet and visible light dual-channel image acquisition, processing and display system
InactiveCN103634565AGood UV detection effectReduce power consumptionClosed circuit television systemsDigital video signal modificationLiquid-crystal displayUltraviolet lights
The invention belongs to the technical field of applications of photoelectric products and particularly relates to an OMAP-based ultraviolet and visible light dual-channel image acquisition, processing and display system. According to the system of the invention, a dual-channel image acquisition module acquires ultraviolet light and background visible light separated by an ultraviolet leakage imager, carries out analog-to-digital conversion on the ultraviolet light and the background visible light and transmits digital images to an OMAP main control module and a JPEG2000 encoding module; the OMAP main control module enhances the ultraviolet light digital image, fuses the visible light digital image and the enhanced ultraviolet light digital image and displays the fused images on a liquid crystal display module; and the JPEG2000 encoding module encodes and compresses the ultraviolet light digital image and the visible light digital image, and data obtained through encoding and compression is transmitted to an SD card storage module for storage through the OMAP main control module. The OMAP-based ultraviolet and visible light dual-channel image acquisition, processing and display system is low in power consumption and has complete function modules, a general operating system and a graphical interface can be run, and functions such as data storage and playback, GPS positioning, and operation interface display through liquid crystal display screen touching can be achieved.
Owner:BEIJING INST OF ENVIRONMENTAL FEATURES
Embedded intelligent milling duplication eliminating balance measuring system based on OMAP
InactiveCN103994857AImprove real-time performanceGuaranteed real-timeStatic/dynamic balance measurementSignal conditioning circuitsPulse shaping circuits
The invention provides an embedded intelligent milling duplication eliminating balance measuring system based on an OMAP, and belongs to the technical field of detection devices. The system is composed of a signal conditioning circuit, an A / D conversion system and an OMAP embedded system. The signal conditioning circuit is composed of a left magnetoelectric sensor, a right magnetoelectric sensor, a signal conditioning circuit, a photoelectric sensor, a mean value extracting circuit, a pulse shaping circuit and a phase locking doubling circuit. Mechanical vibration signals are converted into voltage signals through the left magnetoelectric sensor and the right magnetoelectric sensor, the photoelectric sensor acquires phase reference signals, and the A / D conversion system is used for A / D conversion. Digital signals generated after A / D conversion are sent to an ARM in the OMAP system, full period sampling is conducted under the effect of clock pulse signals, sampled periodic signals are sent to a DSP unit through an SCR / EDMA, the amplitude and phase information of the amount of unbalance is extracted through calibration and resolving, and meanwhile the speed of a rotating spindle is measured according to shaped pulse signals.
Owner:CHANGCHUN UNIV OF SCI & TECH
Intelligent distribution transformation terminal monitoring system
InactiveCN108767986AMeet functional requirementsFacilitate data interactionCircuit arrangementsInformation technology support systemPower qualityDual core
The invention discloses an intelligent distribution transformation terminal monitoring system. The intelligent distribution transformation terminal monitoring system comprises a distribution transformation monitoring terminal, a condition monitoring server, an electric energy quality management server, a communication network, a distribution network master station, a condition monitoring IED and primary equipment. According to the intelligent distribution transformation terminal monitoring system, an intelligent distribution transformation terminal scheme is designed by using a high-performance dual-core embedded microprocessor OMAP-L138, so that the power requirement of an intelligent power distribution region is met; a dual-core DSP and an ARM are of independent operation, and are of a good data interaction and peripheral visiting mechanism, so that the whole performance of the system is improved; the modularization and bus technique is adopted in the design of a terminal, the systemhas the expansibility of functions, the upgrading of the system can be realized conveniently, and the development period is shortened; and designing is carried out by using bus interfaces of industrystandard, so that the terminal has good openness and flexibility, and the reliability of the system is improved.
Owner:NANTONG HAIWANG ELECTRIC
Compact dual transceiver module for a software defined tactical radio
InactiveUS20120289174A1Avoid overall overheatingLow costTransmissionTransceiverAudio power amplifier
A Dual Integrated Core Engine Transceiver “DICE-T” combines two transceivers into a single module. The transceivers are based on mobile processors typically used in handheld devices which have TDPs of less than 2 Watts, thereby allowing two transceivers to fit without overheating into a space typically occupied by a single transceiver. Due to high production volumes and widespread use, the mobile processors are well proven and low in cost. In embodiments, the mobile processors are OMAP processors. In some embodiments, the DICE-T can replace a UT module in a GMR. In some of these embodiments, the OMAP processors include TM320C64xx DSP cores. In certain embodiments, the OMAP processors are DM3730 processors. In various embodiments, each DICE-T module includes a five Watt power amplifier. In embodiments, SINCGAR, SRW, and / or WNW waveforms are supported by software configuration. In some embodiments, transceivers can be transitioned by software between waveforms.
Owner:BAE SYST INFORMATION & ELECTRONICS SYST INTERGRATION INC
Digital processing module for short-wave two-dimension direction-of-arrival estimation
ActiveCN103995248AImprove parallel processing capabilitiesEasy to handleRadio wave direction/deviation determination systemsProcess capabilityDigital signal
The invention provides a digital processing module for short-wave two-dimension direction-of-arrival estimation. The digital processing module includes ten A / D conversion chips, three digital down-conversion chips, an FPGA chip and an OMAP chip. The A / D conversion chips convert acquired analog signals into digital signals and send the converted digital signals to the three digital down-conversion chips. The three digital down-conversion chips carry out digital down-conversion processing on the received digital signals and send processed 10 paths of frequency conversion signals to the FPGA chip. The FPGA chip carries out filtering and a two-dimension direction-of-arrival estimation operation on the received 10 paths of frequency conversion signals and sends pitch angle information of two-dimension arrival, obtained through the estimation, to the OMAP chip. The OMAP chip converts the pitch angle and azimuth angle data of the two-dimension arrival, sent by an FPGA high-speed serial port into parallel bus data and sends the parallel bus data to a CPCI interface chip. The digital processing module adopts the OMAP chip and the FPGA chip, which are higher in processing capability, to realize two-dimension direction-of-arrival estimation on short-wave signals and is excellent in software transplantability; and the digital processing module adopts a CPCI bus and is high in universality.
Owner:PANDA ELECTRONICS GROUP +1
Military electronic flying lapboard
InactiveCN108228530APrevent leakageMeet confidential use requirementsAircraft componentsArchitecture with multiple processing unitsKey pressingOperational system
The present invention belongs to the technical field of embedded computers, and in particular relates to a portable low-power cipherable military electronic flying lapboard. The military electronic flying lapboard is characterized in that: an OMAP processor based on a symmetric multi-processing heterogeneous multi-core system is used to complete application layer data processing, satellite positioning signal solving, display control, audio output / input, power management, receiving and responding to the touch screen and the key signal, data exchange, and other functions, and has relatively lowpower consumption; an open source Android 4.0 or higher operating system is used, and boot encryption software of the system is used to satisfy the functional requirements of the device for boot graphics encryption and password encryption; a flight card template with text, table and picture editing functions is customized according to the military aircraft mission requirement, and the use requirements of pilots for combat, training, reconnaissance, and the like are satisfied; and the user can encrypt and set passwords for the sensitive data according to demand, and a one-click fast data hard self-destructing function can be provided to clear confidential information stored by the user.
Owner:XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
Compact modular upgrade for GMR software defined tactical radio
InactiveUS8744396B2Eliminate needReduce power consumptionResonant long antennasTelephonic communicationChannel powerTransceiver
Owner:BAE SYST INFORMATION & ELECTRONICS SYST INTERGRATION INC
Method for realizing quick data storage under Linux
InactiveCN102147806AImplement ping-pong storageSave search resultsSpecial data processing applicationsGNU/LinuxOMAP
The invention provides a method for realizing quick data storage under Linux. The method comprises the following steps of: (1) establishing a data caching document; (2) searching a physical unit address corresponding to the data caching document; (3) writing data to be stored into a physical unit corresponding to the data caching document; and (4) transferring the data caching document by Linux. In an OMAP (Open Multimedia Application Platform Processor), a DSP (Digital Signal Processor) core directly stores the data to the physical unit corresponding to the data caching document and directly saves the collected data to be a document mode, so that the data are prevented from being duplicated between a drive program and an application program; and establishment, initialization and transferring of the data caching document are completed by the Linux, so that the document management advantage of the Linux is played. By combining the OMAP and the Linux, the data storage speed is increased.
Owner:HARBIN ENG UNIV
NEXT series product OMAP and FPGA calculation system
InactiveCN107014382APowerful logic control abilityAbundant I/O resourcesNavigational calculation instrumentsSatellite radio beaconingOMAPLight signal
The invention discloses an NEXT series product OMAP and FPGA calculation system, which consists of an FPGA system, a DSP system, a bionic polarization optical sensor, an A / D conversion circuit, a milemeter, an MEMS, a Big Dipper / GPS, an elevation meter and a PC, wherein the FPGA system is connected with the milemeter, the MEMS, the Big Dipper / GPS, the elevation meter and the PC through expansion serial ports, and is used for system data integration and preprocessing; the DSP system and the FPGA system are in two-way connection through an EMIFA interface of the DSP system, and is used for realizing the navigation calculation of the system; the bionic polarization optical sensor is used for collecting polarization light signals; the elevation meter is used for carrier altitude positioning; the PC is used for outputting attitude angle, speed and position information to realize the combined navigation function. The NEXT series product OMAP and FPGA calculation system has the characteristics that the structure is simple; the integration degree is high; the power consumption is low; the operation speed is high.
Owner:JIANGXI CRYSTAL BIOSENSOR TECH
Data deletion method, system and device and computer readable storage medium
ActiveCN109992213AImprove data deletion efficiencyIncrease profitInput/output to record carriersOMAPOperating system
The invention discloses a data deletion method. The method comprises the steps of determining an HDD where to-be-deleted data is located according to a received deletion instruction; migrating journal and omap corresponding to the HDD to an SSD through a preset migration script; and deleting the to-be-deleted data in the journal and the omap through the SSD. Because SSD read-write efficiency is far higher than the feature of the HDD, journal and omap of stored data of the HDD are migrated to the SSD through the preset migration script. Through the SSD, the deletion of the stored data in thejournal and the omap is realized. The data deletion efficiency of a storage system is greatly improved. The storage space can be more efficiently vacated for storing new data. the storage space of thesystem is conveniently integrated and utilized, and the utilization rate of the storage space is effectively improved. The invention further discloses a data deletion system and device and a computerreadable storage medium which all have the above beneficial effects.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
Video data processing method and device
ActiveCN104702909BSolve the problem of real-time monitoringSolve the problem that high-resolution video recording cannot be realized in related technologiesClosed circuit television systemsDigital video signal modificationVideo bitstreamComputer graphics (images)
Owner:HANGZHOU HIKVISION DIGITAL TECH
Compact modular upgrade for gmr software defined tactical radio
A software-defined tactical radio solution meets the original JTRS SWaP goals by providing four complete software-defined 125W (peak) radio channels in four modules that replace the four UT modules of the current GMR design, while retaining the GVA and NIU of the GMR. Two dual transceiver modules each include two transceivers based on OMAP processors. Two dual-channel power amplifier modules each include two 125W (peak) amplifiers, each amplifier combining two GaN transistors combined in parallel. In embodiments, the OMAP processors include TM320C64xx DSP cores. In some embodiments, the OMAP processors are DM3730 processors. In various embodiments, each dual transceiver module includes a five Watt power amplifier. In embodiments, SINCGAR, SRW, and / or WNW waveforms are supported by software configuration. In some embodiments transceivers can be transitioned by software between waveforms.
Owner:BAE SYST INFORMATION & ELECTRONICS SYST INTERGRATION INC
A Digital Processing Method of Handheld Instrument
ActiveCN104866283BImprove processing efficiencyImprove accuracyProgram controlMemory systemsDual coreHand held
Owner:CHNEGDU CHIFFO ELECTRONICS INSTR
Metadata backup and recovery method based on file storage system
ActiveCN110413449AReduce lossSpeed up recoveryRedundant operation error correctionRecovery methodFile system
The invention provides a metadata backup and recovery method based on a file storage system. The method includes: designing an import interface and an export interface of an omap object; designing a metadata backup script to call a storage system command or a linux command, and backing up metadata objects in the file system at set time intervals; and designing a metadata recovery script, and recovering a single metadata object or all backed-up metadata objects when metadata is damaged. By designing import and export interfaces of an omap object and using a script to call a storage system command or a linux command at the same time, metadata objects in a file system are backed up regularly, and when metadata is damaged, a single metadata object or all backed-up metadata objects can be recovered. Not only is recovery speed improved, but also data loss is reduced.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Electronic cochlear in-vitro debugging platform based on local area network (LAN)
Owner:TSINGHUA UNIV
A digital processing module for shortwave two-dimensional direction of arrival estimation
ActiveCN103995248BImprove parallel processing capabilitiesEasy to handleRadio wave direction/deviation determination systemsProcess capabilityDigital signal
The invention provides a digital processing module for short-wave two-dimension direction-of-arrival estimation. The digital processing module includes ten A / D conversion chips, three digital down-conversion chips, an FPGA chip and an OMAP chip. The A / D conversion chips convert acquired analog signals into digital signals and send the converted digital signals to the three digital down-conversion chips. The three digital down-conversion chips carry out digital down-conversion processing on the received digital signals and send processed 10 paths of frequency conversion signals to the FPGA chip. The FPGA chip carries out filtering and a two-dimension direction-of-arrival estimation operation on the received 10 paths of frequency conversion signals and sends pitch angle information of two-dimension arrival, obtained through the estimation, to the OMAP chip. The OMAP chip converts the pitch angle and azimuth angle data of the two-dimension arrival, sent by an FPGA high-speed serial port into parallel bus data and sends the parallel bus data to a CPCI interface chip. The digital processing module adopts the OMAP chip and the FPGA chip, which are higher in processing capability, to realize two-dimension direction-of-arrival estimation on short-wave signals and is excellent in software transplantability; and the digital processing module adopts a CPCI bus and is high in universality.
Owner:PANDA ELECTRONICS GROUP +1
Method and system for improving bucket log performance in distributed object storage system
PendingCN114546977AImprove bucket log performanceSolve the problem of chronological inconsistencySpecial data processing applicationsFile system typesDistributed objectParallel computing
The invention discloses a method and system for improving bucket log performance in a distributed object storage system, and the method comprises the steps: initializing a global data structure when a distributed object storage gateway is started; picking request information of the access request according to an access request processing result of the current service thread to the client; according to the global data structure and the request information, constructing a map form of an omap structure of a bucket log object; and storing bucket log records by utilizing an omap structure of the bucket log rados object. The system comprises an initialization module, a request information extraction module, a map form construction module and a storage module. By means of the method and device, locking can be avoided, the problem that the log recording time sequence is inconsistent is solved, and then the bucket log performance of the distributed object storage system is greatly improved.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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