CN103391428A - Aviation meteorological image monitoring system based on multiple data links - Google Patents
Aviation meteorological image monitoring system based on multiple data links Download PDFInfo
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Abstract
The invention relates to an aviation meteorological image monitoring system based on multiple data links. An image acquisition module sends an image signal to an image processing module, to a ground station through a 3G network transmission, satellite transmission or local wired network transmission of an image transmission module and then to a data sharing network through a meteorological image monitoring station; the data links for image transmission include a 3G network transmission network, a satellite transmission network and a local wired network, and the networks are selected and configured by a user automatically; and the meteorological image monitoring ground station adopts a B/S framework and web page loading, and meteorological image data are provided for the aviation user through the sharing network for reference and data sharing and analysis. The aviation meteorological image monitoring system has the benefits as follows: the defects that an aviation meteorological station lacks meteorological image monitoring, the provided meteorological information is not comprehensive, and a single data link is used for transmission are overcome, and the multiple data links are used for transmission, so that approximately real-time meteorological image information is provided for the aviation user flexibly, the safety and the efficiency are improved, and the phenomena of aviation accidents and flight disruption relevant to the meteorology are decreased.
Description
Technical field
The present invention relates to aeronautical meteorology image surveillance equipment, particularly a kind of image of aeronautical meteorology based on multiple D-chain road surveillance.
Background technology
At present, aeronautical meteorological observation station and Flight Service Stations's major part can only gather conventional meteorological data, and seldom can use to meteorological user the image data transmission of weather, are difficult to improve aeronautical meteorology user's context-aware.U.S. FAA(Federal Aviation Administration) aeronautical meteorology camera project provides meteorological image information can for the aviation users of the U.S., but there is no integrated on-site meteorological telegraphic messages information, be difficult to comprehensive reflect local aeronautical meteorology situation, and only adopted the single link of satellite to propagate to carry out the monitoring of meteorological image data.
If the mode of propagating by single link provides meteorological image information to have following problem: the cost of special line transmission from far-off regions is higher; Wireless transmission needs long-time busy channel, Bandwidth-Constrained; The concurrent support difficulty of meteorological image service; Concurrent the browsing of a large number of users often caused the server overload; Meteorological image website bandwidth deficiency will produce blocks or pauses; Guarantee service quality, need huge fund input; Because the raising of service quality and coverage rate needs a very long process, so number of users is difficult to Rapid Expansion, is difficult in a short time bring benefits.
Summary of the invention
Purpose of the present invention is exactly for overcoming the deficiencies in the prior art, mostly lack for aeronautical meteorological station and navigation service station the weather information that meteorological image monitors, provides and do not reach the characteristics that only adopt the forms data link transmission comprehensively, a kind of design is provided, adopt the aeronautical meteorology image surveillance on multiple D-chain road, the multiple D-chain road comprises local cable network, 3G network and satellite communication network.By adopting the aeronautical meteorology image surveillance on multiple D-chain road, offer flexibly aviation users near real-time image, provide real-time meteorological telegraphic messages and meteorological image comparison picture to the user simultaneously, for aviation users judgement meteorological condition, thereby improve aviation safety and efficiency, reduce and meteorological relevant aviation accident, reduce and meteorological relevant abort.
The present invention realizes by such technical scheme: based on the aeronautical meteorology image surveillance on multiple D-chain road, it is characterized in that, comprise camera module, image capture module, image processing module, image transmission module, meteorological ground station and the data sharing network of monitoring;
Described image capture module mainly consists of fpga chip, ADC change-over circuit and interface circuit;
Described image processing module mainly consists of fpga chip, dsp chip, memory circuitry, clock circuit and interface circuit;
Described image transmission module comprises data link selection module and multiple D-chain road coffret; Wherein, Data-Link selects module to consist of 3G module, satellite transmission module and Ethernet transport module, and the data link coffret comprises 3G network coffret, satellite transmission interface, local cable network coffret;
The mode that Data-Link selects module to adopt button to select is carried out data link and is selected, and when observation station needs in three one or more in Data-Link,, according to selecting the data link connection object, presses corresponding button, connection data chain circuit;
Camera is connected with the signal pattern acquisition module, the picture signal that image capture module will gather sends image processing module to, picture signal after processing sends the meteorological ground station that monitors to through 3G network transmission, satellite transmission or the local cable network of image transmission module, monitors that by meteorology ground station sends to the data sharing network finally;
3G network transmission, satellite transmission, local cable network that the data link of image transmission module is included
Three kinds of transmission meanss, by user's option and installment voluntarily; Meteorological monitor that ground station adopts the web webpage to load, image offers the user by website, is used for checking and the sharing, analyze of data.
Described camera adopts remote high-resolution wide-angle thermal camera, ultimate resolution 1600*1200; FPGA in described image capture module, as the core control section of this design, adopts the EP2C5Q208C8 chip of ALTERA company; Dsp chip adopts TMS320C6713; Memory circuitry adopts the K9HCGZ8U1M storage chip; Interface circuit comprises 3G module interface, satellite transmission module interface, Ethernet transport module interface, image access interface, image output interface; ADC change-over circuit in described image processing module adopts the AD9233 chip of ADI company, and picture processing chip adopts American TI Company TMS320C6713 digital signal processing chip.Described Data-Link selects 3G module, satellite transmission module and the Ethernet transport module in module to adopt respectively button to select.
Described data link construction method comprises:
(a) 3G network transmission: adopt telecommunications, UNICOM and mobile 3G network, wherein in the 3G receiving circuit, the 3G equipment card that is used for communication network adopts fertile EA960, in emerging AC582; The 3G equipment card that is used for UNICOM's network adopts the E160 of Huawei, the 3G equipment card that is used for mobile 3G network adopts the emerging A356 E160 of Huawei, above-mentioned 3G card of surfing Internet (3G equipment card) is inserted into the 3G emission socket of aeronautical meteorology image surveillance, the meteorological image monitoring system, by identification 3G equipment card, is connected to wireless network transmissions meteorological image photo automatically;
(b) satellite transmission: in remote area, in the less situation of NodeB, transmit the mode of meteorological image photo while selecting satellite, wherein in the satellite transmission module, be used for the mode that the meteorological image information Compression adopts TS video flowing coding, the antenna that is used for the meteorological image communication adopts the satellite butterfly antenna;
(c) cable network transmission: in convenient occasion with network cable transmission, the W5100 firmware networks chip that adopts WIZnet company to release, design ICP/IP protocol stack, ethernet mac and PHY are integrated and realize the meteorological image photograph of cable network transmission, and W5100 provides 3 kinds of interfaces: direct parallel bus, indirect parallel bus and spi bus;
Described meteorology monitors that ground station comprises aeronautical meteorology WEB display module, supplementary display module; Wherein, aeronautical meteorology WEB display module is by the customary weather forecast of current aeronautical meteorology image display module, METAR(aviation) meteorological telegraphic messages module, cloud level mark display module, barrier mark display module, standard visibility image display form, and the supplementary display module comprises that UTC time showing module, historical meteorological image search module;
Described data sharing network is by the B/S(browser/server) network architecture formation, adopt the PHP language compilation, intuitively demonstrate concrete aeronautical meteorology image by Google Maps and Baidu's map and monitor position, by clicking the aeronautical meteorology image, monitor that location point enters corresponding monitoring station;
The described image of aeronautical meteorology based on multiple D-chain road surveillance software operation process, comprise the steps:
1) aeronautical meteorology image data acquisition: FGPA reads the data of camera by AD conversion chip 9233.Be connected by EMIF between FPGA and DSP, and carry out the camera initialization;
2) aeronautical meteorology image data are processed: in dsp processor, carry out compression, watermark, the image name of picture signal by the video library of H264 and process;
3) aeronautical meteorology image data transmit: realize the transmission of data by local cable network, 3G network or three kinds of modes of satellite communication network, according to actual conditions, select needed load mode and method;
4) the aeronautical meteorology image monitors ground station: by WEB display module, supplementary display module, meteorological image is stored, shown, and provide meteorological image comparative information, METAR message information, UTC time to aviation users;
5) data sharing network: select the B/S network architecture, adopt Google Maps and Baidu's map intuitively to be shown to the concrete aeronautical meteorology image of user and monitor position, by clicking the aeronautical meteorology image, monitor that location point enters corresponding monitoring station and browses aeronautical meteorology image monitor message.
Beneficial effect of the present invention is: mostly lack for aeronautical meteorological station the weather information that meteorological image monitors, provides and do not reach the shortcoming that only adopts the forms data link transmission comprehensively, employing multiple D-chain road (local cable network, 3G network have been designed, satellite communication network) aeronautical meteorology image surveillance, offer flexibly aviation users near real-time image, can improve safety and efficiency, reduce and meteorological relevant aviation accident, reduce and meteorological relevant abort.
Description of drawings
Fig. 1, system block diagram;
Fig. 2, image capture module circuit diagram;
Fig. 3, image processing module circuit block diagram;
Fig. 4, memory and interface circuit;
Fig. 5, clock circuit;
Fig. 6, image processing module working-flow figure;
Fig. 7, view data are processed block diagram;
Fig. 8, meteorological image data link connect block diagram;
Fig. 9,3G radio network frame figure;
Figure 10, satellite communication network framework map;
Figure 11, data packet transmission flow process figure;
Figure 12, the meteorological ground station's block diagram that monitors.
Embodiment
For a more clear understanding of the present invention, describe in conjunction with the accompanying drawings and embodiments the present invention in detail:
As shown in Figures 1 to 12,, based on the aeronautical meteorology image surveillance on multiple D-chain road, comprise camera, image capture module, image processing module, image transmission module, meteorological ground station and the data sharing network of monitoring;
Described image capture module consists of fpga chip, camera and ADC change-over circuit; Described image processing module consists of fpga chip, dsp chip and clock circuit; Described transport module selects module, multiple D-chain road to form by data link; Data-Link is selected module, and the mode that adopts button to select when observation station needs in three one or more in Data-Link, can be pressed selected Data-Link corresponding button, is communicated with the data chain circuit.
Data link comprises 3G network transmission, satellite transmission, local cable network.Video camera is connected with the signal pattern acquisition module, the picture signal that image capture module will gather sends image processing module to, picture signal after processing sends the meteorological ground station that monitors to through 3G network transmission, satellite transmission or the local cable network of transport module, monitors that by meteorology ground station sends to the data sharing network finally; Wherein transport module comprises 3G network transmission, satellite transmission, three kinds of modes of local cable network transmission, and the user is the option and installment transmission mode voluntarily.
Described camera adopts remote high-resolution wide-angle thermal camera.Described image capture module is selected the core control section of FPGA as this design, adopts the EP2C5Q208C8 chip of ALTERA company.ADC change-over circuit in described image processing module adopts the AD9233 chip of ADI company, and picture processing chip adopts American TI Company TMS320C6713 digital signal processing chip.Described Data-Link selects module to consist of 3G network module, satellite transmission base station and ethernet network transport module.
Described data link construction method comprises:
(a) 3G network transmission: adopt telecommunications, UNICOM, mobile 3G network, wherein in the 3G receiving circuit, fertile EA960 during telecommunications adopts, in emerging AC582; UNICOM adopts the E160 of Huawei, and the emerging A356 E160 of Huawei in mobile the employing, be inserted into monitoring system with the 3G card of surfing Internet, and the meteorological image monitoring system can be connected to wireless network automatically.
(b) satellite transmission: in remote area, in the less situation of NodeB, transmit the mode of meteorological image photo while selecting satellite, wherein in the satellite transmission module, be used for the mode that the meteorological image information Compression adopts TS video flowing coding, the antenna that is used for the meteorological image communication adopts the satellite butterfly antenna;
(c) cable network transmission: in convenient occasion with network cable transmission, the W5100 firmware networks chip that adopts WIZnet company to release, design ICP/IP protocol stack, ethernet mac and PHY are integrated realizes the meteorological image photograph of cable network transmission.W5100 provides 3 kinds of interfaces: direct parallel bus, indirect parallel bus and spi bus.
The described image of aeronautical meteorology based on multiple D-chain road surveillance software operation process, comprise the steps:
1) aeronautical meteorology image data acquisition: FGPA reads the data of camera by AD conversion chip 9233.Be connected by EMIF between FPGA and DSP, and carry out the camera initialization;
2) aeronautical meteorology image video data is processed: in dsp processor, carry out the processing of picture signal by the video library of H264; Compression needs the meteorological image of transmission, the flow waste in the minimizing transmission;
3) aeronautical meteorology image data transmit: realize the transmission of data by local cable network, 3G network or three kinds of modes of satellite communication network, according to actual conditions, select needed load mode and method;
4) the aeronautical meteorology image monitors that ground station shows: by WEB display module, supplementary display module, meteorological image is stored, shown, and provide meteorological image comparative information, METAR message information, UTC time to aviation users;
5) data sharing: select the B/S network architecture, adopt Google Maps and Baidu's map intuitively to be shown to the concrete aeronautical meteorology image of user and monitor position, by clicking the aeronautical meteorology image, monitor that location point enters corresponding monitoring station and browses aeronautical meteorology image monitor message.
The described image of aeronautical meteorology based on multiple D-chain road surveillance software operation process, comprise the steps:
System work process and principle: mainly by camera collection meteorological image data, image processing module packed data, select data link (satellite transmission, 3G network transmission, local cable network), 3G network transmission, local cable network are selected in nearer zone in the distance urban district, finally adopt the web webpage to load meteorological image.The aeronautical meteorology monitoring station far away in the fixed range urban district, adopt the mode of satellite transmission, and data receiver, to the weather server end, is offered the user of civil aviaton by website.
Meteorological photograph adopts the every 10 minutes modes of upgrading once, offer the meteorological user of flight, provide simultaneously weather meteorological image that visibility is respectively 50m, 100m, 200m as a comparison, auxiliary civil aviation personnel differentiates meteorological condition, reduces the aviation safety accident that causes because of meteorology.
The present embodiment has adopted FPGA and DSP dual processor to carry out collection and the transmission work of image, and by three kinds of transmission meanss, transfers data to the meteorological ground station that monitors, adopts the mode save data of data sharing.
Camera is selected the remote high-resolution wide-angle thermal camera of high performance-price ratio, guarantees 24 hours monitoring weather photos.Can realize high-definition shooting, ultimate resolution can reach 2,000,000 pixels (1600x1200); Support external trigger, can connect infrared probe, infrared emission, door magnetic, card reader and control and take pictures; Support motion detecting, can automatically find moving target and take pictures; Support high light to suppress and BLC, can work under various environment; Support multiple networking mode, comprise wired, 3G(telecommunications, UNICOM, movement), satellite communication; But setup times section, candid photograph interval, triggering polarity, continuous shooting interval, image compression ratio; Standard C S lens interface, adapt to different shooting distances and visual angle.
Image capture module adopts the bulk redundancy information in image processing module elimination meteorological image, represents initial data with the least possible byte, thereby realizes the Lossless Compression of image, reduces the bandwidth of Data-Link.We select the core control section of FPGA as this design, adopt the EP2C5Q208C8 chip of ALTERA company.It has 144 pins, 102 I/O ports wherein, and 4608 logical blocks, 288 LAB, can meet the requirement of aerial image information processing fully.
ADC change-over circuit in image processing module adopts the AD9233 chip of ADI company, and this chip support is 12 bit data conversions at a high speed, and switching rate can arrive 130Mps.Under the condition that guarantees sampling precision, this circuit, can meet the requirement of meteorological image signal sampling.
Picture processing chip adopts American TI Company TMS320C6713 digital signal processing chip, it is a kind of high speed digital signal processor (DSP) that TI company produces, adopt advanced VLIW (VLIW) TMS320C67xTMDSP kernel, maximum clock frequency can reach 300MHz, minimum 3.3ns of instruction cycle; The highest arithmetic speed: 2400/1800MIPs/MFLOPs., for speed up processing, adopt 2 grades of cache.Chip internal has 16 passage EDMA controllers, can the nearly all I/O of high speed processing and the interface problem of memory, improve widely the chip throughput speed.The maximum 512MB of outside total storage space, data width 32b, can support SBRAM, SDRAM, SARAM, FLASH and EPROM.I/O port, HPI mouth, multichannel buffer (McBSP) mouth, SPI mouth, several major ways of I2C mouth that TMS320C6713 and exterior I/O interface can be constructed by FFA.
In system, DSP has been mainly used to the processing of data, the computing of control algolithm.The output current of digitlization power supply is sent into DSP after the A/D conversion, through the DSP control algolithm, calculate, and by feeding back the pulse duration that determines PWM in set-point, and it is delivered to FPGA.
Data-Link is selected module, and the mode that adopts button to select when observation station needs in three one or more in Data-Link, can be selected the Data-Link that needs by GSM, connection data chain circuit.
Data link builds:
A) 3G network design
Mainly utilize 3G network high bandwidth, high cover, the low characteristics of terminal cost, designed and adopted telecommunications, UNICOM, mobile 3G network, wherein in the 3G receiving circuit of design, fertile EA960 during telecommunications can adopt, in emerging AC582; UNICOM can adopt the E160 of Huawei, emerging A356 during movement can be adopted, the E160 of Huawei.The 3G card of surfing Internet is inserted into monitoring system, and the meteorological image monitoring system can be connected to wireless network automatically.
B) satellite transmission design
, in remote area, in the less situation of NodeB, transmit the mode of meteorological image photo while selecting satellite.Wherein in the satellite transmission module, be used for the meteorological image information Compression and adopt the mode of TS video flowing coding, the antenna that is used for the meteorological image communication adopts the satellite butterfly antenna.
C) cable network Transmission Design
In convenient occasion with network cable transmission, adopt the W5100 firmware networks chip of the up-to-date release of WIZnet company, design ICP/IP protocol, ethernet mac and PHY are integrated and realize the meteorological image photograph of cable network transmission.W5100 provides 3 kinds of interfaces: direct parallel bus, indirect parallel bus and spi bus.Use W5100 not need to consider the control of Ethernet, only need simple port Socket programming, greatly simplified hardware circuit design, make controller under the support that there is no operating system, really realized the single-chip access network based on ethernet.But application W5100 required load of complete discharge procotol in system, reduce the spending of software development, has shorter construction cycle and stronger engineering elasticity.
B, software operation process
FPGA reads the meteorological image data of camera by the AD numerical value that reads AD9233, and sends into the TMS320C6713 processor, by the compression of H264 storehouse with image, and sends in the FIFO of FPGA, by datalink network, sends image information.
FGPA reads the data of camera by AD conversion chip 9233.Be connected by EMIF between FPGA and DSP, and carry out the camera initial work.
In dsp processor, carry out the work for the treatment of of meteorological image signal by the video library of H264.
Realize the transmission of meteorological image data by three kinds of modes (local cable network, 3G network, satellite communication network) in the design, according to actual conditions, select needed load mode and method.
The meteorological image Packet Generation is to the data packet transmission flow process of server end specifically as shown in figure 11:
100: start;
101: be ready for sending packet (packets of information);
102: rolling counters forward (recording this packets of information or Packet Generation number of times);
103: whether surpass stipulated number
104: be, surpass transmission times, abandon the transmission of this document, send next file, send this document after treating;
105: do not have overtimely, send packet (packets of information);
106: timer starts;
107: monitoring, waiting for server feedback information;
108: whether timer is overtime
110: overtime, retransmit this packet (or packets of information);
111: do not have overtimely, whether server is confirmed to receive successfully
112: server feedback receives successful information, sends next packet (or packets of information);
113: server feedback receives error message, returns to beginning.
By WEB display module, supplementary display module, meteorological image is stored, shown in the design, the weather meteorological image comparative information that provides visibility to be respectively 50m, 100m, 200m, by the mark cloud level and the auxiliary civil aviation personnel of Obstacle Position, meteorological condition is differentiated, obtain local METAR message information (comprising wind direction and wind velocity, visibility, weather, state of the sky, temperature dew point, altitude datum, Changes in weather tendency information), UTC time by the PHP programming language simultaneously, meteorology monitors ground station's block diagram specifically as shown in figure 12.
The present embodiment technique effect:
1) high-definition shooting weather photo; Support high light to suppress and BLC, can work under various environment; But setup times section, candid photograph interval, triggering polarity, continuous shooting interval, image compression ratio; Support telemanagement; But remote browse real-time pictures (video+photo); Adapt to different shooting distances and visual angle;
2) can realize the weather condition monitoring of surrounding environment, guarantee the real-time of weather monitoring, improve the context-aware of aviation users;
3) can realize image meteorological information share and the analysis of airport periphery and Flight Service Stations's surrounding environment, make up the deficiency of general forecast, guarantee the flight safety of airborne vehicle;
4) support multiple networking mode, include spider lines, 3G network, the multiple transmission means of satellite and deposit, guarantee validity and the real-time of transmission;
5) can realize Long-distance Control, realize remote network control, can adjust watch-dog timely, conscientiously in time obtain needed information;
6) can arrange and regularly upgrade meteorological picture.Go out the time of last renewal at each meteorological picture subscript;
7) can display visibility contrast images photo, the cloud level of mark Obstacle Position and meteorological image, ensure that the user differentiates the current weather condition;
8) can provide comprehensive METAR meteorological telegraphic messages information, be convenient to the user and grasp weather condition comprehensively;
9) can design the different operating right of lander, be conducive to the confidentiality work of data.
According to the above description, can realize the solution of the present invention in conjunction with art technology.
Claims (4)
1., based on the aeronautical meteorology image surveillance on multiple D-chain road, it is characterized in that, comprise camera, image capture module, image processing module, image transmission module, meteorological ground station and the data sharing network of monitoring;
Described image capture module mainly consists of fpga chip, ADC change-over circuit and interface circuit;
Described image processing module mainly consists of fpga chip, dsp chip, memory circuitry, clock circuit and interface circuit;
Described image transmission module comprises data link selection module and multiple D-chain road coffret; Wherein, Data-Link is selected module, and Data-Link selects module to consist of 3G module, satellite transmission module and Ethernet transport module, and the data link coffret comprises 3G network transmission, satellite transmission, local cable network;
The mode that Data-Link selects module to adopt button to select is carried out data link and is selected, and when observation station needs in three one or more in Data-Link,, according to selecting the data link connection object, presses corresponding button, connection data chain circuit;
Video camera is connected with the signal pattern acquisition module, the picture signal that image capture module will gather sends image processing module to, picture signal after processing sends ground station to through 3G network transmission, satellite transmission or the local cable network of image transmission module, sends to the data sharing network by ground station finally;
3G network transmission, satellite transmission, local cable network that the data link of image transmission module is included
Three kinds of transmission meanss, by user's option and installment voluntarily; Ground station adopts the web webpage to load, and image offers the user by website, is used for checking and the sharing, analyze of data;
Described data link construction method comprises:
(a) 3G network transmission: adopt telecommunications, UNICOM and mobile 3G network, wherein in the 3G receiving circuit, the 3G equipment card that is used for communication network adopts fertile EA960, in emerging AC582; The 3G equipment card that is used for UNICOM's network adopts the E160 of Huawei, the 3G equipment card that is used for mobile 3G network adopts the emerging A356 E160 of Huawei, above-mentioned 3G equipment card is inserted into the 3G emission socket of aeronautical meteorology image surveillance, the meteorological image monitoring system, by identification 3G equipment card, is connected to wireless network transmissions meteorological image photo automatically;
(b) satellite transmission: in remote area, in the less situation of NodeB, transmit the mode of meteorological image photo while selecting satellite, wherein in the satellite transmission module, be used for the mode that the meteorological image information Compression adopts TS video flowing coding, the antenna that is used for the meteorological image communication adopts the satellite butterfly antenna;
(c) cable network transmission: in convenient occasion with network cable transmission, the W5100 firmware networks chip that adopts WIZnet company to release, design ICP/IP protocol stack, ethernet mac and PHY are integrated and realize the meteorological image photograph of cable network transmission, and W5100 provides 3 kinds of interfaces: direct parallel bus, indirect parallel bus and spi bus;
The described image of aeronautical meteorology based on multiple D-chain road surveillance software operation process, comprise the steps:
1) aeronautical meteorology image data acquisition: FGPA reads the data of camera by AD conversion chip 9233; Be connected by EMIF between FPGA and DSP, and carry out the camera initialization;
2) aeronautical meteorology image video data is processed: in dsp processor, carry out compression, watermark, the image name of picture signal by the video library of H264 and process;
3) aeronautical meteorology image data transmit: realize the transmission of data by local cable network, 3G network or three kinds of modes of satellite communication network, according to actual conditions, select needed load mode and method;
4) the aeronautical meteorology image monitors ground station: by WEB display module, supplementary display module, meteorological image is stored, shown, and provide meteorological image comparative information, METAR message information, UTC time to aviation users;
5) data sharing network: select the B/S network architecture, adopt Google Maps and Baidu's map intuitively to be shown to the concrete aeronautical meteorology image of user and monitor position, monitor that by clicking the aeronautical meteorology image location point enters corresponding monitoring station, browse aeronautical meteorology image monitor message.
2., as claimed in claim 1 based on the aeronautical meteorology image surveillance on multiple D-chain road, it is characterized in that, described camera adopts remote high-resolution wide-angle thermal camera.
3., as claimed in claim 1 based on the aeronautical meteorology image surveillance on multiple D-chain road, it is characterized in that, the fpga chip of described image capture module, as the core control section of this design, adopts the EP2C5Q208C8 chip of ALTERA company.
4. as claimed in claim 1 based on the aeronautical meteorology image surveillance on multiple D-chain road, it is characterized in that, ADC change-over circuit in described image processing module adopts the AD9233 chip of ADI company, and picture processing chip adopts American TI Company TMS320C6713 digital signal processing chip.
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