CN101419282A - Integration high speed remote sensing data receiving and processing equipment - Google Patents
Integration high speed remote sensing data receiving and processing equipment Download PDFInfo
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Abstract
The invention relates to integrated high-speed remote sensing data receiving and processing equipment. When the equipment is used to receive data, satellite downlink serial data are converted into parallel data through serial-parallel conversion and are sent into a frame synchronous processing module for frame synchronous treatment, frame synchronization characters are searched, fault-tolerant parameters are calculated, frame synchronization signals are generated according to the frame length and the frame synchronization characters, and the frame synchronization signals and data frame are sent to a combined decode module. The combined decode module performs descramble, RS decoding and CRC check processing on the data frame according to the frame synchronization signals, and sends the data to a cache. The data in the cache are subjected to data synthesis and wave filtering processing to be sent into a data distribution module. The data distribution module sends the transmitted data into a load imaging and processing module for format analysis processing, performs classified processing on the data according to load category, and displays the data in real time. When the data are sent, uplink data are sent into the cache through a data distribution module, a combined coding module reads the data from the cache, performs scrambling, RS coding and CRC check processing on the data, sends the data into a parallel-serial conversion module, converts the data into the serial data and transmits the data to a satellite.
Description
Technical field
The present invention relates to a kind of reception, processing, transmission integrated equipment for wastewater treatment that is used for satellite remote sensing date.
Background technology
High speed remote sensing data receiving and processing equipment is the key equipment in the earth station system, finish mainly that the high speed base band data obtains, the playback of high speed base band data, frames in high speed synchronously, channel decoding processing, CCSDS format analysis, load data processing, real-time data memory, real-time Data Transmission and function such as look in real time soon, even also comprise low-converter, high speed demodulator and high speed test modulator.The target of integrated design is to guarantee can finish most of function that land station's remotely-sensed data receives in the single device, and the reduction equipment volume also will reduce weight and power consumption simultaneously, improves the reliability of system.In addition, when improving device integration, also should consider the processing of compatible multiple satellite and load data.
The most of products of remotely-sensed data receiving equipment of domestic development also rest on simple function or the simple functions unit equipment level, also do not form real integrated remote sensing data receiving and processing equipment engineering product.At present, units such as Tsing-Hua University, Beijing Institute of Technology and Wuhan University are carrying out the research and development of relevant device.Tsing-Hua University has the 400Mbps frame synchronization equipment, can finish 400Mbps data-frame sync extraction work, also can finish work such as RS decoding, CRC check, two-way is passed satellite data down can also realize that data are synthetic.Tsing-Hua University also has 1.2Gbps remotely-sensed data recording unit, and data recording equipment can be realized raw data, 0 grade of data writing function, and can realize the playback of raw data.Utilize playback function, also can be used as the base band data dummy source.Receiving and processing equipment adopts the hardware configuration of server binding data collection plate, adopts 64/66MHz pci bus, and bus data rate 528MB/s has high-capacity and high-speed DDR SDRAM as data buffering.Beijing Institute of Technology has the equipment of looking soon in real time of remotely-sensed datas such as optics, SAR, can handle the above remotely-sensed data of 1.2Gbps in real time.It is looked soon and adopts the CPCI cabinet on the imaging device structure, and the inner dsp board parallel processing remotely-sensed data that adopts is transferred to display workstation with imaging results by Ethernet, finishes the demonstration of image.Also can send control command to imaging processing equipment, realize Remote Device Control by display workstation.
The overseas high speed remote sensing data receiving and processing equipment has developed into miniaturization, incorporate treatment product by simple function.Can provide the manufacturer of the integrated receiving and processing equipment of remotely-sensed data more, larger manufacturer has U.S. RT LOGIC company, AVTEC company and French ALCATEL company etc.U.S. RT LOGIC company has released T1200HDR type high speed remote sensing satellite data acquisition facility, can directly receive the input of 720MHz or 1.2GHz intermediate frequency, finishes BPSK, QPSK or 8PSK demodulation.Inside has processing poweies such as Viterbi decoding, bit synchronous, frame synchronization, RS decoding, and the equipment profile is a standard 4U19 inch cabinet.RT LOGIC also provides digital front-end to handle integrated circuit board simultaneously, can finish functions such as frame synchronization, RS decoding, CCSDS subpackage processing, error rate test, and data are taken in computing machine by pci bus, and the DMA transfer rate can reach 528MB/s.The PTP-EX high speed front end of U.S. AVTEC company can be realized 1.2Gbp CCSDS or tdm data processing and record.Functions such as frame synchronization, descrambling, 400Mbps RS decoding, CRC check, the output of 1.2Gbps emulated data, the transmission of 400Mbps network real-time are provided simultaneously.Data are advanced machine and are adopted 64 66MHz pci bus equipment, and the equipment profile is a 6U19 inch standard PC case.HDRR type high-speed data receiver can be accepted intermediate frequency and directly import, finish functions such as demodulation, frame synchronization, descrambling, RS decoding, CRC check, finish the CCSDS pseudo channel in real time and handle, can be by transmitted data on network to NAS (network store system) or record local RAID.Transaction code speed can reach 600Mbps, and the equipment profile is 19 inches standard PC cases of 4U.The integrated low-converter of 9910 OMINISAT, the detuner of France ALCATEL company, advance machine and handle and test modulator, transaction code speed 500Mbps can support 4 channel datas to handle, and profile is a standard 4U industrial computer.OMINISAT is based on modular design, can be used for the observation of satellite ground, science data such as are obtained at the field.
At present, can only obtain some operating technology parameter and performance index of these integration apparatus in the middle of the disclosed document, can't know that the concrete function structure of integrated remotely-sensed data receiving equipment is formed.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, a kind of Highgrade integration is provided, can adapt to many stars, reception of many systems satellite data and the integration high speed remote sensing data receiving and processing equipment of handling.
Technical solution of the present invention is: integration high speed remote sensing data receiving and processing equipment comprises string and modular converter, frame synchronization process module, combination decoding module, data distribution module, assembly coding module, parallel serial conversion module and load imaging processing module; When receiving data, the serial remotely-sensed data of satellite downstream demodulator output is sent into the frame synchronization process module through going here and there after also modular converter is converted into parallel data; The frame synchronization process module is carried out frame synchronization process to parallel data, searches frame alignment word and calculates fault-tolerant parameter, produces frame synchronizing signal according to frame length and frame alignment word, and frame synchronizing signal, Frame are delivered to the combination decoding module; The combination decoding module carries out delivering to buffer memory after descrambling, RS decoding and CRC check are handled to Frame according to frame synchronizing signal, and the data in the buffer memory are sent into the data distribution module through data after the synthetic and Filtering Processing; The data distribution module is sent the data that transmit into load imaging processing module, also the data that transmit is sent into local memory device simultaneously or transmits by network; Load imaging processing module is at first separated format analysis processing to the data that transmit, and classifies according to the load classification then, and each class data is handled respectively, forms displayable data and shows in real time; When sending data, send into buffer memory through the data distribution module to the upstream data of satellite transmission; Assembly coding module reading of data and described data are carried out sending into parallel serial conversion module after scrambling, RS coding and CRC check are handled from buffer memory; Parallel serial conversion module is converted to serial data with parallel data, and serial data is sent into the satellite uplink modulator with the external series clock.
Described frame synchronization process module can also directly receive the parallel data of outside input.
Described string and modular converter comprise delay unit, Clock dividers and displacement latch, the serial clock of satellite downstream demodulator output and serial data are sent into delay unit respectively and are carried out the sequential adjustment, make the sequential relationship of clock and code stream meet the requirements, be divided into two-way through the adjusted serial clock of sequential, one the tunnel becomes parallel clock output behind the Clock dividers frequency division, export after the displacement latch is converted to parallel data according to serial clock with serial data on another road and deliver to the displacement latch together through the adjusted serial data of sequential.
Described parallel serial conversion module comprises displacement latch, delay unit and level conversion unit, the parallel data that shift register transmits the assembly coding module according to external clock is delivered to delay unit after being converted to serial data, delay unit carries out the sequential adjustment to serial data and the external clock that transmits, deliver to level conversion unit after making the sequential relationship of clock and code stream meet the requirements, export after the level that level conversion unit will transmit signal is adjusted to the requirement that meets the satellite uplink modulator.
Described frame synchronization process module comprises level translator, correlator, error code and sliding frame decision logic unit, data formatting processing and frame synchronization generating unit; Parallel data is delivered to correlator after level translator is converted to the LVTTL logic level, whether there is frame alignment word in the parallel data of correlator according to frame alignment word of setting and the output of frame length retrieval level translator, and, simultaneously the frame head data of every frame is sent to error code and sliding frame decision logic unit according to Search Results generation frame correlated results marking signal; Error code and sliding frame decision logic unit calculate the bit error rate and sliding position bit number of frame head according to the frame head data that transmits; When the sliding position bit number that calculates during, export after the data frame formatization that data formatting processing and frame synchronization generating unit will be corresponding with described frame head data, and produce frame synchronizing signal according to the Frame after the format and export in the lump less than setting value.
Described load imaging processing module comprises load Processing unit, image forming process unit and looks the unit soon; The load Processing unit is separated form according to CCSDS standard or non-CCSDS standard to the data that transmit, resolve the pseudo channel data according to standard format when adopting the CCSDS standard and reconfigure, when adopting non-CCSDS standard, carry out the parsing of particular data according to the user definition form; The data that image forming process unit will be separated behind the form are classified according to optical data, SAR data, ultraphotic spectrum data, carry out image mosaic and remove dead pixel for optical data, then be converted into the view data that can show for SAR data and ultraphotic spectrum data, look image is finished in the unit based on the DirectX technology real-time demonstration soon.
The present invention's advantage compared with prior art is:
1) integration apparatus of the present invention is by being provided with a plurality of functional modules, dividing upstream data transmission and downlink data to receive two passages handles satellite data, realized the Highgrade integration of ground system high speed remote sensing data receiving equipment, the data processing requirement of different satellites can be satisfied by the configuration relevant parameters, many stars can be adapted to, many systems satellite data receives and handle;
2) integration apparatus of the present invention can also carry out playback to original remotely-sensed data except can realizing the high speed remote sensing data reception and handling, and also can be used as the testing source of land station's high speed remote sensing data receiving equipment simultaneously;
3) the present invention has carried out the sequential adjustment to serial data and the clock of importing when gathering the serial signal of detuner input, has regulated serial data and clock phase deviation problem in transmission course, has improved the accuracy of data processing;
4) apparatus of the present invention are when the original remotely-sensed data of playback, serial data and the time carried out the sequential adjustment before the clockwise modulator output, guaranteed that modulator receives that the clock sign indicating number relation of serial data and clock is correct;
5) the frame synchronization process module of present device not only can receive the parallel data after string and modular converter conversion, but also can directly receive the parallel data of outside input.The frame synchronization process module adopts the mode of parallel pipelining process to search the frame synchronization head, guarantees under the situation of frame synchronization processing in real time, in real time the synchronous status information of output frame;
6) integration apparatus of the present invention has not only been realized the CCSDS canonical solution form of various load, non-CCSDS canonical solution form and imaging processing, and the image of various load can be shown in real time, be applicable to dissimilar satellite datas, and help the user and operate.
Description of drawings
Fig. 1 is the theory of constitution block diagram of integrated equipment for wastewater treatment of the present invention;
Fig. 2 adopts a kind of implementation of integrated circuit board for integrated equipment for wastewater treatment of the present invention;
Fig. 3 is the schematic block circuit diagram of string and modular converter in the integrated equipment for wastewater treatment of the present invention;
Fig. 4 is the schematic block circuit diagram of parallel serial conversion module in the integrated equipment for wastewater treatment of the present invention;
Fig. 5 is the principle of work block diagram of frame synchronization process module in the integrated equipment for wastewater treatment of the present invention;
Fig. 6 is the theory diagram of integrated equipment for wastewater treatment frame synchronization process module high speed correlator of the present invention;
Fig. 7 is parameter configuration statistical module theory diagram in the integrated equipment for wastewater treatment frame synchronization process module of the present invention;
Fig. 8 is the theory diagram of load imaging processing module in the integrated equipment for wastewater treatment of the present invention.
Embodiment
As shown in Figure 1, be the theory of constitution block diagram of integration high speed remote sensing data receiving and processing equipment of the present invention.When receiving data, adopt high speed string and modular converter that the high speed serialization remotely-sensed data and the serial clock of the output of satellite downstream demodulator are converted to lower parallel data of speed and parallel clock, parallel data after the conversion and parallel clock enter the frame synchronization process module.In the frame synchronization process module, the parallel data after the conversion is carried out the frame relevant treatment, search frame alignment word and calculate fault-tolerant parameter, produce frame synchronizing signal output according to frame length and frame alignment word.Data after the frame synchronization process enter the combination decoding module and carry out processing such as descrambling, RS decoding and CRC check, and the data that will make up then after decoding module is handled deposit in the cache module.In the cache module back image pretreatment module can be set, carry out processing such as the synthetic and filtering of binary channels data after being used for the data of cache module are taken out; Data code flow after the processing is sent into the data distribution module, and the data distribution module is responsible for data distribution is arrived load imaging processing module, and local record, the SAN that is responsible for data simultaneously writes down, data network transmits and the data of record are carried out archive management etc.In load imaging processing module, the data that transmit are at first separated format analysis processing, classify according to the load classification then, each class data is handled respectively, form displayable data and show in real time.The system monitoring module realizes receiving the plan target of higher level's supervisory system, the time sends instructions to each module according to schedule after the parsing, carry out set task, after task is finished, report the higher level to monitor information such as task executions situation, Data Receiving quality, data volume.When sending data, the data distribution module is under the control of system monitoring module, the data of local record are sent into high-speed cache, then the data in the high-speed cache are sent into assembly coding and carried out operations such as scrambling, RS coding and CRC check, data after the processing are sent into the high speed parallel serial conversion module, the parallel data that speed is lower is converted to high-speed serial data, cooperates the high speed serialization clock of external clock output, serial data is sent into the satellite uplink modulator carry out subsequent treatment.
As shown in Figure 2, adopt a kind of implementation of integrated circuit board for integration high speed remote sensing data receiving and processing equipment of the present invention.The main design object that integration high speed remote sensing data receiving and processing equipment is handled integrated circuit board be realize that the collection of high speed serialization code stream and playback, frames in high speed reach synchronously that channel decoding is handled, image pre-service and high-speed data advance machine.The processing integrated circuit board adopts 64 pci cards of standard, and external interface designs to go here and there at a high speed and also reaches parallel-to-serial converter, uses large-scale F PGA and carries out frame synchronization and channel decoding processing.Embedded PowerQUICC III processor carries out utilizing the PCI-X bus to realize that high-speed data advances machine after the pre-service to image, and realizes whole plate is carried out logic control.The disposable plates speed buffering is used for buffer memory FPGA combination coding and decoding to be handled and the pretreated data of image.FPGA and PowerQUICC III itself have disposed the fast data buffer storer, and device is realized the mutual of high-speed data-flow by RapidIO visit the other side's memory resource, reduces the bottleneck of system data transmission.
Fig. 3 is string of the present invention and modular converter schematic block circuit diagram.The high speed serialization clock and the serial data that enter string and modular converter are at first carried out the sequential relationship adjustment through the sequential adjustment unit, to ensure reliable and stable string and conversion; Adjusted serial clock is through producing 8 frequency division parallel clocks behind the Clock dividers, 8 frequency division parallel clocks and serial clock, serial data cooperating in the displacement latch obtains reliable and stable parallel 8 circuit-switched data and 8 frequency division parallel clocks.Time sequence adjusting circuit adopts ECL logic circuit chip (as the MC100 series of U.S. Motorola Inc., MC100EP195 etc.) among the present invention, and the displacement latch adopts the MC100E445 of U.S. MC100 series etc.
Fig. 4 is a parallel serial conversion module schematic block circuit diagram of the present invention.The parallel data and the parallel clock that enter parallel serial conversion module at first enter displacement latch (adopting the MC100E446 of U.S. MC100 series), under the cooperation of the high-frequency clock DDS1 that DDS imports, parallel data are converted to serial data.For the clock sign indicating number relation of the serial data that guarantees input modulator and serial clock can be adjusted flexibly, the serial clock DDS2 of DDS output and the serial data of displacement latch output are carried out sequential adjustment processing, and the level conversion with adjusted serial data of sequential and serial clock is the level that the modulator input needs at last.
As shown in Figure 5, be frame synchronization process module principle of work block diagram of the present invention.Level switch module is converted to the LVTTL logic level formation data stream 1 that FPGA can support to the parallel data of string and modular converter output and parallel clock and is transported to high-speed correlator; High-speed correlator data streams 1 back obtains the frame sync identifications pulse, simultaneously data stream 1 is formed data stream 2 through delaying time and be transferred to data formatting processing and frame synchronization generating unit, and the frame head area data storage back formation data stream 4 of demarcating is sent to error code and sliding frame decision logic unit; Data formatting processing and frame synchronization generating unit are processed into data stream 2 frame synchronizing signal, parallel data and the parallel clock output that meets rear end equipment and require; Data interface circuit obtains the data processing parameters needed from the parameter configuration statistical module, frame alignment word for example, fault-tolerant thresholding, the antiskid position enables, sliding position thresholding, frame alignment word bit number and mask etc., then with frame alignment word, frame alignment word bit number and mask form data stream 5, form high-speed correlator by parameter configuration logical block packing back and can recognition data flow 3, meanwhile, data interface circuit forms error code and sliding frame processing parameter packing back error code and slides frame decision logic unit and can be transported to error code and sliding frame decision logic unit by recognition data stream 6; Error code and sliding frame decision logic unit carry out error code number and the sliding position state that relevant treatment obtains the frame head zone once more to data stream 4, the result are formed data stream 6 again and report the parameter configuration statistical module by data interface circuit.When the bit error rate that calculates with sliding position bit number average during less than setting value, data formatting processing and frame synchronization generating unit format back output with the Frame corresponding with described frame head data, and produce frame synchronizing signal output according to Frame.
Fig. 6 is a high-speed correlator theory diagram of the present invention.Result after frame head is relevant delivers to state justify unit and verification unit.If can both detect frame alignment word several times continuously at interval, then stablize the pulse of output frame sync id, otherwise not output frame sync id pulse continues the search frame synchronization character through frame length; If stablize output frame sync id impulse duration, the relevant frame length that occurs of frame head can not detect frame alignment word, then no longer output frame sync id pulse at interval continuously several times.
Fig. 7 is a parameter configuration statistical module theory diagram of the present invention.The parameter configuration statistical module obtains configuration information by man-machine interface when carrying out parameter configuration, information is packed handle the back and form parameter configuration and spread and deliver to data processing module and finish configuration feature; The parameter configuration statistical module is when adding up, obtain process information from data processing module, comprise the frame head error code bit number of every frame, sliding position state etc., according to reporting freeze frame number, error code number, wrong frame, sliding frame number etc. by man-machine interface after these information vias processing computings.
Fig. 8 is load imaging processing module of the present invention and related software design concept block diagram.Software design of the present invention mainly comprises the design of device driver and equipment application software.Device driver operates in system core layer, by finishing data acquisition and playback functions such as (transmitting uplink data) alternately with hardware device.The equipment application software operates in the system applies layer, under the support of driver, finishes data recording, processing and Presentation Function.Application software is made up of data distribution module and two modules of load imaging processing module.The data distribution module is responsible for device driver mutual, will shield the operation-interface of hardware device in layer, and when hardware device changed or increase new function, variation can not feed through to load imaging processing module.Load imaging processing module mainly is responsible for format analysis processing, the imaging processing to data and is shown in real time.When data layout changes or increase new load data processing requirements, get final product in this layer modification or increase pack processing.The load Processing unit is separated form according to CCSDS standard or non-CCSDS standard to the data that transmit, resolve the pseudo channel data according to standard format when adopting the CCSDS standard and reconfigure, when adopting non-CCSDS standard, carry out the parsing of particular data according to the user definition form, this part can adopt software to realize, software is embedded in the whole application framework with the form of dynamic link, can conveniently call and upgrade, and realizes expansion or cutting easily.The load Processing unit has also been realized parsing quality status stamp from Frame, and then counts the Data Receiving quality and report by monitoring software, or directly shows in user interface.The data that image forming process unit will be separated behind the form are classified according to optical data, SAR data, ultraphotic spectrum data, carry out image mosaic and remove dead pixel for optical data, then be converted into the view data that can show for SAR data and ultraphotic spectrum data.This partial content also realizes that with the form of software imaging processing software designs with modular construction, and the process software of every kind of specific load data forms dynamic link module separately, according to the needs loading of master routine framework.Adopt modular structural design, can when increasing new load Processing, not need the whole software structure is done big change, only increase a kind of algoritic module and can realize function.Look the unit soon and finish with software mode, the general software of looking soon designs based on DirectX, makes full use of the hardware image display capability of display card, various display effects is provided and reduces high speed graphic when showing the pressure to main frame.The general software of looking soon also is that form with dynamic link module provides, and the master routine framework can be formulated needs the position and the size of drawing, and looks software soon and can carry out convergent-divergent to image automatically and show.Also provide simultaneously and refresh, become scape, roll, stare etc. multiple display mode is selective.The system monitoring module receives the plan target of higher level's supervisory system, after the parsing according to schedule the time send instructions to each software module, carry out set task.After task is finished, can report the higher level to monitor information such as task executions situation, Data Receiving quality, data volume.Monitoring software can carry out priority queueing to the plan that receives, and carries out successively.After task was finished, journal file was preserved in this locality, for inquiry afterwards.
The content that is not described in detail in the instructions of the present invention belongs to those skilled in the art's known technology.
Claims (6)
1, integration high speed remote sensing data receiving and processing equipment is characterized in that comprising: string and modular converter, frame synchronization process module, combination decoding module, data distribution module, assembly coding module, parallel serial conversion module and load imaging processing module; When receiving data, the serial remotely-sensed data of satellite downstream demodulator output is sent into the frame synchronization process module through going here and there after also modular converter is converted into parallel data; The frame synchronization process module is carried out frame synchronization process to parallel data, searches frame alignment word and calculates fault-tolerant parameter, produces frame synchronizing signal according to frame length and frame alignment word, and frame synchronizing signal, Frame are delivered to the combination decoding module; The combination decoding module carries out delivering to buffer memory after descrambling, RS decoding and CRC check are handled to Frame according to frame synchronizing signal, and the data in the buffer memory are sent into the data distribution module through data after the synthetic and Filtering Processing; The data distribution module is sent the data that transmit into load imaging processing module, also the data that transmit is sent into local memory device simultaneously or transmits by network; Load imaging processing module is at first separated format analysis processing to the data that transmit, and classifies according to the load classification then, and each class data is handled respectively, forms displayable data and shows in real time; When sending data, send into buffer memory through the data distribution module to the upstream data of satellite transmission; Assembly coding module reading of data and described data are carried out sending into parallel serial conversion module after scrambling, RS coding and CRC check are handled from buffer memory; Parallel serial conversion module is converted to serial data with parallel data, and serial data is sent into the satellite uplink modulator with the external series clock.
2, integration high speed remote sensing data receiving and processing equipment according to claim 1, its feature exists
In: described frame synchronization process module can also directly receive the parallel data of outside input.
3, integration high speed remote sensing data receiving and processing equipment according to claim 1 and 2, it is characterized in that: described string and modular converter comprise delay unit, Clock dividers and displacement latch, the serial clock of satellite downstream demodulator output and serial data are sent into delay unit respectively and are carried out the sequential adjustment, make the sequential relationship of clock and code stream meet the requirements, be divided into two-way through the adjusted serial clock of sequential, one the tunnel becomes parallel clock output behind the Clock dividers frequency division, export after the displacement latch is converted to parallel data according to serial clock with serial data on another road and deliver to the displacement latch together through the adjusted serial data of sequential.
4, integration high speed remote sensing data receiving and processing equipment according to claim 1 and 2, it is characterized in that: described parallel serial conversion module comprises the displacement latch, delay unit and level conversion unit, the parallel data that shift register transmits the assembly coding module according to external clock is delivered to delay unit after being converted to serial data, delay unit carries out the sequential adjustment to serial data and the external clock that transmits, deliver to level conversion unit after making the sequential relationship of clock and code stream meet the requirements, export after the level that level conversion unit will transmit signal is adjusted to the requirement that meets the satellite uplink modulator.
5, integration high speed remote sensing data receiving and processing equipment according to claim 1 and 2 is characterized in that: described frame synchronization process module comprises level translator, correlator, error code and sliding frame decision logic unit, data formatting processing and frame synchronization generating unit; Parallel data is delivered to correlator after level translator is converted to the LVTTL logic level, whether there is frame alignment word in the parallel data of correlator according to frame alignment word of setting and the output of frame length retrieval level translator, and, simultaneously the frame head data of every frame is sent to error code and sliding frame decision logic unit according to Search Results generation frame correlated results marking signal; Error code and sliding frame decision logic unit calculate the bit error rate and sliding position bit number of frame head according to the frame head data that transmits; When the sliding position bit number that calculates during, export after the data frame formatization that data formatting processing and frame synchronization generating unit will be corresponding with described frame head data, and produce frame synchronizing signal according to the Frame after the format and export in the lump less than setting value.
6, integration high speed remote sensing data receiving and processing equipment according to claim 1 and 2 is characterized in that: described load imaging processing module comprises load Processing unit, image forming process unit and looks the unit soon; The load Processing unit is separated form according to CCSDS standard or non-CCSDS standard to the data that transmit, resolve the pseudo channel data according to standard format when adopting the CCSDS standard and reconfigure, when adopting non-CCSDS standard, carry out the parsing of particular data according to the user definition form; The data that image forming process unit will be separated behind the form are classified according to optical data, SAR data, ultraphotic spectrum data, carry out image mosaic and remove dead pixel for optical data, then be converted into the view data that can show for SAR data and ultraphotic spectrum data, look image is finished in the unit based on the DirectX technology real-time demonstration soon.
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