CN104202089A - Broadband optic fiber radar data access system based on DWDM (dense wavelength division multiplexing) - Google Patents
Broadband optic fiber radar data access system based on DWDM (dense wavelength division multiplexing) Download PDFInfo
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- CN104202089A CN104202089A CN201410454503.6A CN201410454503A CN104202089A CN 104202089 A CN104202089 A CN 104202089A CN 201410454503 A CN201410454503 A CN 201410454503A CN 104202089 A CN104202089 A CN 104202089A
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Abstract
The invention relates to a broadband optic fiber radar data access system based on DWDM (dense wavelength division multiplexing). The broadband optic fiber radar data access system based on the DWDM comprises a conversion multiplexing unit used to perform receipt, photoelectric light conversion and light multiplexing on radar optic signals, wherein a receiving end of the conversion multiplexing unit receives at least two paths of the radar optic signals, a sending end of the conversion multiplexing unit is connected with a receiving end of a de-multiplexing conversion unit used to perform de-multiplexing and photoelectric light conversion on the radar optic signals through single mode optic fibers, and a radar optic signal sending end of the de-multiplexing conversion unit is used as a system output end. According to the broadband optic fiber radar data access system based on the DWDM, a machine room A and a machine room B are arranged, the transmission distance between the machine room A and the machine room B is 80Km, and large bandwidth and long distance transmission of 240 paths of the optic signals of 850nm or 1310nm is achieves at an electric rate of 1-10.3Gbps. The broadband optic fiber radar data access system based on the DWDM achieves transmission operation of the 240 paths of the optic signals and is high in transmission reliability by respectively using the five single mode optic fibers for the transmission, and uses a DWDM mature technology and standardization and modularization design to shorten an equipment production period and avoid design risk.
Description
Technical field
The present invention relates to radar communication technical field, especially a kind of band optical fiber radar data connecting system based on DWDM.
Background technology
Along with the development of Radar Technology, high performance radar equipment is constantly employed, and googol produces according to amount thereupon.In order to adapt to the high speed strange land transmission of radar data, traditional telecommunication transmission cannot meet the demands.At present, there is the low defect of transmission data capacity with fiber optic transmission system in domestic correlation radar, generally, at extremely several Gbps of tens Mbps, this low rate Optical Fiber Transmission scheme cannot meet growing Transmission System of Radar Data requirement, so be badly in need of exploitation high-capacity optical fiber Transmission System of Radar Data equipment.
Summary of the invention
The object of the present invention is to provide that a kind of transport tape is roomy, transmission speed is fast, reliability is high, realize the band optical fiber radar data connecting system based on DWDM of large data long-distance transmissions.
For achieving the above object, the present invention has adopted following technical scheme: a kind of band optical fiber radar data connecting system based on DWDM, comprise for conversion Multiplexing Unit radar light signal being received, photoelectricity electric light is changed, recovery connects, its receiving terminal receives at least two-way radar light signal, its transmitting terminal is connected with the receiving terminal of the demultiplexing converting unit for radar light signal being separated to multiple connection, the conversion of photoelectricity electric light by monomode fiber, and the radar light signal transmitting terminal of demultiplexing converting unit is as system output.
Described conversion Multiplexing Unit by the first light transmitting-receiving translation interface, the first recovery connects equipment and power fiber amplifier forms, the receiving terminal of the first light transmitting-receiving translation interface receives at least two-way radar light signal, the transmitting terminal of the first light transmitting-receiving translation interface is connected with the receiving terminal that the first recovery connects equipment, the first recovery connects the transmitting terminal of equipment and the receiving terminal of power fiber amplifier is connected, the transmitting terminal of power fiber amplifier is connected with one end of monomode fiber, and the other end of monomode fiber is connected with the receiving terminal of demultiplexing converting unit.
Described demultiplexing converting unit by dispersion compensator, preposition fiber amplifier, the second recovery connect equipment, the second light transmitting-receiving translation interface forms, the receiving terminal of dispersion compensator is connected with the transmitting terminal of conversion Multiplexing Unit by monomode fiber, the transmitting terminal of dispersion compensator is connected with the receiving terminal of preposition fiber amplifier, the transmitting terminal of preposition fiber amplifier is connected with the receiving terminal that the second recovery connects equipment, the transmitting terminal that the second recovery connects equipment is connected with the receiving terminal of the second light transmitting-receiving translation interface, and the transmitting terminal of the second light transmitting-receiving translation interface is as system output.
Described conversion Multiplexing Unit is arranged in A machine room, and described demultiplexing converting unit is arranged in B machine room, and the transmission range between A machine room and B machine room is 80Km.
The number of described the first light transmitting-receiving translation interface is 240, the corresponding 240 road radar light signals that receive, the number that the first recovery connects equipment, power fiber amplifier is 5,1 first receiving terminal of recovering the equipment that connects is connected with the transmitting terminal of 48 the first light transmitting-receiving translation interfaces, and 1 power fiber amplifier correspondence is connected with 1 monomode fiber.
The number that described dispersion compensator, preposition fiber amplifier, the second recovery connect equipment is 5,1 dispersion compensator correspondence is connected with 1 monomode fiber, 1 second transmitting terminal of recovering the equipment that connects is connected with the receiving terminal of 48 the second light transmitting-receiving translation interfaces, the number of the second light transmitting-receiving translation interface is 240, the corresponding 240 road radar light signals that send.
As shown from the above technical solution, the present invention is provided with A, two machine rooms of B, and transmission range 80Km between A, B machine room realizes the large bandwidth long-distance transmissions of 240 road 850nm or 1310nm light signal (electric speed: 1～10.3Gbps); Native system, respectively by five monomode fiber transmission, is realized the transport service of 240 road light signals, and transmission reliability is high; Adopt DWDM mature technology, standardization, modularized design, to shorten the device fabrication cycle, avoid designing risk; The technology of first and second light transmitting-receiving translation interface uses advanced, supports user to access the light signal of 850nm/1310nm, saves system cost, and electric speed is supported 1～10.3Gbps self adaptation, better to meet the various speed input requirements of project.
Brief description of the drawings
Fig. 1 is DWDM basic scheme schematic diagram.
Fig. 2 is structured flowchart of the present invention.
Embodiment
A kind of band optical fiber radar data connecting system based on DWDM, comprise for radar light signal is received, the conversion of photoelectricity electric light, the conversion Multiplexing Unit 10 that recovery connects, its receiving terminal receives at least two-way radar light signal, its transmitting terminal is by monomode fiber 30 and for radar light signal is separated to multiple connection, the receiving terminal of the demultiplexing converting unit 20 of photoelectricity electric light conversion is connected, the radar light signal transmitting terminal of demultiplexing converting unit 20 is as system output, as shown in Figure 2, described conversion Multiplexing Unit 10 is arranged in A machine room, described demultiplexing converting unit 20 is arranged in B machine room, transmission range between A machine room and B machine room is 80Km.
As shown in Figure 2, described conversion Multiplexing Unit 10 is by the first light transmitting-receiving translation interface 11, the first recovery connects equipment 12 and power fiber amplifier 13 forms, the receiving terminal of the first light transmitting-receiving translation interface 11 receives at least two-way radar light signal, the transmitting terminal of the first light transmitting-receiving translation interface 11 is connected with the receiving terminal that the first recovery connects equipment 12, the transmitting terminal that the first recovery connects equipment 12 is connected with the receiving terminal of power fiber amplifier 13, the transmitting terminal of power fiber amplifier 13 is connected with one end of monomode fiber 30, the other end of monomode fiber 30 is connected with the receiving terminal of demultiplexing converting unit 20.The first light transmitting-receiving converting interface 11 adopts advanced technical concept, and it can realize the Adaptive Transmission of electric speed 1G～10.3G, and multimode light signal is to the conversion between single-mode optics signal; The first recovery connects equipment 12 and at transmitting terminal, the long light signal of Different lightwave is recovered and connect, and is multiplexed to a road light signal; While transmission in optical fiber due to light signal, light signal has decay, so light signal is amplified to processing at the transmitting terminal required power fiber amplifier 13 of light signal.
As shown in Figure 2, described demultiplexing converting unit 20 is by dispersion compensator 21, preposition fiber amplifier 22, the second recovery connects equipment 23, the second light transmitting-receiving translation interface 24 forms, the receiving terminal of dispersion compensator 21 is connected with the transmitting terminal of conversion Multiplexing Unit 10 by monomode fiber 30, the transmitting terminal of dispersion compensator 21 is connected with the receiving terminal of preposition fiber amplifier 22, the transmitting terminal of preposition fiber amplifier 22 is connected with the receiving terminal that the second recovery connects equipment 23, the transmitting terminal that the second recovery connects equipment 23 is connected with the receiving terminal of the second light transmitting-receiving translation interface 24, the transmitting terminal of the second light transmitting-receiving translation interface 24 is as system output.While transmission in optical fiber due to light signal, light signal has dispersion, decay, so need dispersion compensator 21 to carry out optical dispersion compensation to light signal at the receiving terminal of light signal; While transmission in optical fiber due to light signal, light signal has decay, so need preposition fiber amplifier 22 to amplify processing to light signal at the receiving terminal of light signal; The second recovery connects equipment 23 and separates multiple connection processing at receiving terminal to receiving Yi road light signal, isolates Different lightwave long; The second light transmitting-receiving converting interface 24 adopts advanced technical concept, and it can realize the Adaptive Transmission of electric speed 1G～10.3G, and single-mode optics signal is to the conversion between multimode light signal.
As shown in Figure 2, the number of described the first light transmitting-receiving translation interface 11 is 240, the corresponding 240 road radar light signals that receive, the number that the first recovery connects equipment 12, power fiber amplifier 13 is 5, the receiving terminal that 1 first recovery connects equipment 12 is connected with the transmitting terminal of 48 the first light transmitting-receiving translation interfaces 11, and 1 power fiber amplifier 13 correspondence is connected with 1 monomode fiber 30.The number that described dispersion compensator 21, preposition fiber amplifier 22, the second recovery connect equipment 23 is 5,1 dispersion compensator 21 correspondence is connected with 1 monomode fiber 30, the transmitting terminal that 1 second recovery connects equipment 23 is connected with the receiving terminal of 48 the second light transmitting-receiving translation interfaces 24, the number of the second light transmitting-receiving translation interface 24 is 240, the corresponding 240 road radar light signals that send.The way of the radar light signal that native system receives is not limit, on these Jin Yi 240 tunnels as conventional example.
Below in conjunction with Fig. 1,2 the present invention is further illustrated.
DWDM(Dense Wavelength Division Multiplexing, light dense wave division multipurpose) technology is to solve the preferred version of large capacity Transmission System of Radar Data, DWDM technology is a kind of pure physics Dense Wavelength Division Multiplexing, and it utilizes optical multiplexer in the wavelength multiplexing to transmitting in a different fiber optical fiber, to transmit; At the receiving terminal of link, utilize demodulation multiplexer again wavelength to be reverted to originally to wavelength separately.Between DWDM technology reuse wavelengths, comparatively dense is compared at interval, be 0.4 or 0.8nm, at present mature technology generally can the highest multiplexing 80 it is more than wavelength that single channel flank speed can reach 100Gbps, tackle at present just the best solution of radar Large Volume Data transmission.As shown in Figure 1, the light signal of transmitting terminal is through OEO, and photoelectricity electrooptic switching element forwards the light signal of same wave band to, is transferred to opposite end after then multiplexing, and opposite end solves signal, then is reduced to the light signal of former wavelength through OEO.
The operation principle of machine room A is as follows:
Be the 850nm(optical wavelength of a group by every 1～48 road optical interface) or 1310nm(optical wavelength) light signal, send into respectively the first light transmitting-receiving translation interface 11, via the first light transmitting-receiving translation interface 11, realize the conversion to C-band light signal (C17～C64) of 850nm or 1310nm light signal; Then, Zai Jiang 48 road C-band flashlight signals are sent into the first recovery and are connect equipment (48 ripple), carry out optical wavelength-division multiplex; Then, by the C-band light signal after multiple connection, send into power fiber amplifier and carry out luminous power amplification and optical dispersion compensation, pass through optical fiber link---monomode fiber 30 passes to machine room B.The multiple connection principle of other 192 road 850nm or 1310nm light signal is the same.
The operation principle of machine room B is as follows:
By the C-band light signal receiving, undertaken after luminous power amplification and optical dispersion compensation by preposition fiber amplifier 22, deliver to the second recovery and connect equipment 23(48 ripple); Connect equipment 23(48 ripple by the second recovery again), isolate the C-band light signal of C17～C64; Jiang48 road light signal is sent into respectively the second light transmitting-receiving translation interface 24, converts 48 road 850nm to or 1310nm wavelength light signal is sent.The multiple connection principle of other 192 road 850nm or 1310nm light signal is the same.
In sum, the present invention is provided with A, two machine rooms of B, and transmission range 80Km between A, B machine room realizes the large bandwidth long-distance transmissions of 240 road 850nm or 1310nm light signal (electric speed: 1～10.3Gbps); Native system, respectively by five monomode fiber transmission, is realized the transport service of 240 road light signals, and transmission reliability is high.
Claims (6)
1. the band optical fiber radar data connecting system based on DWDM, it is characterized in that: comprise for the conversion Multiplexing Unit (10) radar light signal being received, photoelectricity electric light is changed, recovery connects, its receiving terminal receives at least two-way radar light signal, its transmitting terminal is connected with the receiving terminal of the demultiplexing converting unit (20) for radar light signal being separated to multiple connection, the conversion of photoelectricity electric light by monomode fiber (30), and the radar light signal transmitting terminal of demultiplexing converting unit (20) is as system output.
2. the band optical fiber radar data connecting system based on DWDM according to claim 1, it is characterized in that: described conversion Multiplexing Unit (10) is by the first light transmitting-receiving translation interface (11), the first recovery connects equipment (12) and power fiber amplifier (13) composition, the receiving terminal of the first light transmitting-receiving translation interface (11) receives at least two-way radar light signal, the transmitting terminal of the first light transmitting-receiving translation interface (11) is connected with the receiving terminal that the first recovery connects equipment (12), the transmitting terminal that the first recovery connects equipment (12) is connected with the receiving terminal of power fiber amplifier (13), the transmitting terminal of power fiber amplifier (13) is connected with one end of monomode fiber (30), the other end of monomode fiber (30) is connected with the receiving terminal of demultiplexing converting unit (20).
3. the band optical fiber radar data connecting system based on DWDM according to claim 1, it is characterized in that: described demultiplexing converting unit (20) is by dispersion compensator (21), preposition fiber amplifier (22), the second recovery connects equipment (23), the second light transmitting-receiving translation interface (24) composition, the receiving terminal of dispersion compensator (21) is connected with the transmitting terminal of conversion Multiplexing Unit (10) by monomode fiber (30), the transmitting terminal of dispersion compensator (21) is connected with the receiving terminal of preposition fiber amplifier (22), the transmitting terminal of preposition fiber amplifier (22) is connected with the receiving terminal that the second recovery connects equipment (23), the transmitting terminal that the second recovery connects equipment (23) is connected with the receiving terminal of the second light transmitting-receiving translation interface (24), the transmitting terminal of the second light transmitting-receiving translation interface (24) is as system output.
4. the band optical fiber radar data connecting system based on DWDM according to claim 1, it is characterized in that: described conversion Multiplexing Unit (10) is arranged in A machine room, described demultiplexing converting unit (20) is arranged in B machine room, and the transmission range between A machine room and B machine room is 80Km.
5. the band optical fiber radar data connecting system based on DWDM according to claim 2, it is characterized in that: the number of described the first light transmitting-receiving translation interface (11) is 240, the corresponding 240 road radar light signals that receive, the number that the first recovery connects equipment (12), power fiber amplifier (13) is 5, the receiving terminal that 1 first recovery connects equipment (12) is connected with the transmitting terminal of 48 the first light transmitting-receiving translation interfaces (11), and 1 power fiber amplifier (13) correspondence is connected with 1 monomode fiber (30).
6. the band optical fiber radar data connecting system based on DWDM according to claim 3, it is characterized in that: the number that described dispersion compensator (21), preposition fiber amplifier (22), the second recovery connect equipment (23) is 5,1 dispersion compensator (21) is corresponding to be connected with 1 monomode fiber (30), the receiving terminal that the transmitting terminal that 1 second recovery connects equipment (23) is received and dispatched translation interfaces (24) with 48 the second light is connected, the number of the second light transmitting-receiving translation interface (24) is 240, the corresponding 240 road radar light signals that send.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410454503.6A CN104202089A (en) | 2014-09-09 | 2014-09-09 | Broadband optic fiber radar data access system based on DWDM (dense wavelength division multiplexing) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452590A (en) * | 2016-11-03 | 2017-02-22 | 武汉滨湖电子有限责任公司 | Radar analog signal acquisition and high-speed large-bandwidth data transmission method |
| CN107561496A (en) * | 2017-07-31 | 2018-01-09 | 安徽四创电子股份有限公司 | A kind of radar image transmission and display system |
| CN109196872A (en) * | 2016-06-01 | 2019-01-11 | 松下知识产权经营株式会社 | Sending device, reception device, cable, sending method and method of reseptance |
-
2014
- 2014-09-09 CN CN201410454503.6A patent/CN104202089A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109196872A (en) * | 2016-06-01 | 2019-01-11 | 松下知识产权经营株式会社 | Sending device, reception device, cable, sending method and method of reseptance |
| CN106452590A (en) * | 2016-11-03 | 2017-02-22 | 武汉滨湖电子有限责任公司 | Radar analog signal acquisition and high-speed large-bandwidth data transmission method |
| CN107561496A (en) * | 2017-07-31 | 2018-01-09 | 安徽四创电子股份有限公司 | A kind of radar image transmission and display system |
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Application publication date: 20141210 |