CN201290155Y - Microwave digital image transmission system for electric force emergency first-aid mobile command - Google Patents
Microwave digital image transmission system for electric force emergency first-aid mobile command Download PDFInfo
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- CN201290155Y CN201290155Y CN 200820154979 CN200820154979U CN201290155Y CN 201290155 Y CN201290155 Y CN 201290155Y CN 200820154979 CN200820154979 CN 200820154979 CN 200820154979 U CN200820154979 U CN 200820154979U CN 201290155 Y CN201290155 Y CN 201290155Y
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Abstract
The utility model relates to a microwave digital image transmission system for mobile command of electric power emergency first-aid repair, comprising a video signal acquisition module, an image data compressing and processing module, a digital modulator, a microwave launcher, a microwave receiver, a digital demodulator, an image data decompressing and processing module and a video signal output module, wherein the video signal acquisition module, the image data compressing and processing module, the digital modulator, the microwave launcher are connected in sequence, the microwave launcher is connected with the microwave receiver by spacing microwave communication, and the microwave receiver, the digital demodulator, the image data decompressing and processing module, the video signal output module are connected in sequence. The microwave digital image transmission system of the utility model can implements 'single hop' direct communication between any two stations in network structure without addition time delay problem caused by double hop, so satellite communication addition time delay between two stations in network is small, the system is suitable for video and audio wideband communication service of high real time require in multi points.
Description
Technical field
The utility model relates to the electric power first-aid mobile commanding system, relates in particular to the microwave digital image transmission system that is used for mobile command of power emergency repair work.
Background technology
In the power emergency repair process, scene of the accident image message transmission is correct, quick for the commanding, effectively the organizing and implementing repairing is most important.Because the image scene transmission is subjected to the influence of space environment, general graphic transmission equipment, its picture quality does not often reach better effects.For this reason, select specific microwave digital image transmission system for use, utilize " reflection " effect of microwave, by space diversity reception processing and digitlization processed, make it under field working conditions condition in complexity, image is transferred to mobile command center (command car), and for the commanding provides information intuitively, this is that digitlization, information-based electric power move the important component part that the repairing mobile command is used.
Summary of the invention
The purpose of this utility model is exactly in order to overcome the defective that above-mentioned prior art exists, to provide a kind of simple in structure, the safe and reliable microwave digital image transmission system that is used for mobile command of power emergency repair work.
The purpose of this utility model can be achieved through the following technical solutions: the microwave digital image transmission system that is used for mobile command of power emergency repair work, it is characterized in that, this system comprises the video signal collective module, the Image Data Compression processing module, digital modulator, microwave emitter, microwave receiver, digital demodulator, view data decompression processing module, the vision signal output module, described video signal collective module, the Image Data Compression processing module, digital modulator, microwave emitter connects successively, described microwave emitter and microwave receiver communicate to connect by Space Microwave, described microwave receiver, digital demodulator, view data decompression processing module, the vision signal output module connects successively.
Also comprise encrypting module, deciphering module, described encrypting module is connected with the Image Data Compression processing module, and described deciphering module is connected with view data decompression processing module.
Compared with prior art, the utility model utilizes microwave " reflection " effect, by space diversity reception processing and digitlization processed, make it under field working conditions condition in complexity, image is transferred to mobile command center (command car), for the commanding provides information intuitively, this is that digitlization, information-based electric power move the important component part that the repairing mobile command is used.
Description of drawings
Fig. 1 is the structural representation that the utility model is used for the microwave digital image transmission system of mobile command of power emergency repair work.
Embodiment
Below in conjunction with specific embodiment the utility model is described further.
The microwave digital image transmission system that is used for mobile command of power emergency repair work, it is characterized in that, this system comprises the video signal collective module, the Image Data Compression processing module, digital modulator, microwave emitter, microwave receiver, digital demodulator, view data decompression processing module, the vision signal output module, described video signal collective module, the Image Data Compression processing module, digital modulator, microwave emitter connects successively, described microwave emitter and microwave receiver communicate to connect by Space Microwave, described microwave receiver, digital demodulator, view data decompression processing module, the vision signal output module connects successively.Also comprise encrypting module, deciphering module, described encrypting module is connected with digital modulator, and described deciphering module is connected with digital demodulator.
Technical characterstic:
High-quality Digital Video Processing and MPEG II coding and decoding video;
Duan encoding time delay extremely, end-to-end is 40 milliseconds;
The stable transfer (rate travel can reach 240 kilometers/hour) under the interference of high-speed mobile and multipath is guaranteed in the COFDM modulation;
The diversity reception ability of having living space;
Have encryption function, support AES and ABS to encrypt.
The key technical indexes:
Working frequency range: 330～460MHz, 1.0～1.4GHz, 2.3～2.7GHz
(the 1M stepping is adjustable in the frequency range)
Power output: 100mW～30W
Compressed format: MPEG II, 4:2:0,
Resolution: 720*576,720*480
Modulation system: COFDM, 2k
Video channel: 2～10Mbps (rate adjusted)
Video input: PAL/NTSC
Data channel: RS-232, single worker 9600bps
Bandwidth chahnel: 6/7/8MHz
FEC： 1/2，2/3，3/4
Protection interval: 1/32,1/16,1/8,1/4
Encrypt: have AES or ABS encryption function
End end time-delay: 40ms
Sensitivity :-96dBm (5Mbps video rate)
-99dBm (3Mbps video rate)
-102dBm (2Mbps video rate)
Claims (2)
1. the microwave digital image transmission system that is used for mobile command of power emergency repair work, it is characterized in that, this system comprises the video signal collective module, the Image Data Compression processing module, digital modulator, microwave emitter, microwave receiver, digital demodulator, view data decompression processing module, the vision signal output module, described video signal collective module, the Image Data Compression processing module, digital modulator, microwave emitter connects successively, described microwave emitter and microwave receiver communicate to connect by Space Microwave, described microwave receiver, digital demodulator, view data decompression processing module, the vision signal output module connects successively.
2. the microwave digital image transmission system that is used for mobile command of power emergency repair work according to claim 1, it is characterized in that, also comprise encrypting module, deciphering module, described encrypting module is connected with the Image Data Compression processing module, and described deciphering module is connected with view data decompression processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820154979 CN201290155Y (en) | 2008-11-06 | 2008-11-06 | Microwave digital image transmission system for electric force emergency first-aid mobile command |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820154979 CN201290155Y (en) | 2008-11-06 | 2008-11-06 | Microwave digital image transmission system for electric force emergency first-aid mobile command |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201290155Y true CN201290155Y (en) | 2009-08-12 |
Family
ID=40981836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820154979 Expired - Lifetime CN201290155Y (en) | 2008-11-06 | 2008-11-06 | Microwave digital image transmission system for electric force emergency first-aid mobile command |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201290155Y (en) |
-
2008
- 2008-11-06 CN CN 200820154979 patent/CN201290155Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090812 |