CN106506082A - A kind of Digital Array Radar optical fiber transmission network - Google Patents
A kind of Digital Array Radar optical fiber transmission network Download PDFInfo
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- CN106506082A CN106506082A CN201611038079.2A CN201611038079A CN106506082A CN 106506082 A CN106506082 A CN 106506082A CN 201611038079 A CN201611038079 A CN 201611038079A CN 106506082 A CN106506082 A CN 106506082A
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- optical
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- transmission network
- branching device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Communication System (AREA)
Abstract
The invention provides a kind of Digital Array Radar optical fiber transmission network, for setting up the data communication between digital T/R components and signal processing component, including：One single-mode fiber being connected with signal processing component, and the optical branching device that numeral T/R components are connected is set up with described, the single-mode fiber is used for sending the signal from signal processing component to the shunt, if the optical branching device is divided into the signal behind main line is transmitted further to the digital T/R components.Wherein, by the first optical patchcord connection between single-mode fiber and optical branching device, optical branching device is connected by some second optical patchcords with numeral T/R inter-modules.Single-mode fiber and optical branching device that the transmission network is adopted, the network interconnection for realizing " one-to-many " by the improvement of standard greatly reduce design cost and maintenance cost, it is to avoid the signal phase jitter problem that multifiber transmission brings, and improves communication stability.
Description
Technical field
The present invention relates to the optical fiber transmission network design field of Digital Array Radar, more particularly to one kind are used for setting up
The Digital Array Radar optical fiber transmission network of the data communication between digital T/R components and signal transacting combination.
Background technology
In Digital Array Radar, the data communication rates between digital T/R components and signal transacting combination are higher than
1.25Gbps/ passages, traditional copper medium communication cannot meet design needs.Spy based on the applied environment of Digital Array Radar
Different requirement, the such as high rate data transmission of the radar signal under army's temperature, salt fog, mould, sand dust environment, at present, commonly use all in engineering
It is that data communication is realized using multimode fibre.Multimode fibre at the beginning of the technology develops, its transmission speed can reach 3Gbps with
On, the transmission network that phase equalization requires higher Digital Array Radar is extended to when being suitably applied pair, this to numeral
Array radar transmission speed requires that higher applications effect is preferable.
But as technology develops, as the standard of multimode fibre is limited, which can only realize that " point-to-point " single-pathway communicates,
Shunt can not be used, so for each the digital T/R component in receiver module is required for an optical fiber, with radar
The raising of energy and increasing for T/R component counts, number of fibers is consequently increased, so as to bring many harmful effects, including：Many
Signal phase between optical fiber is difficult to control, and causes to communicate unstable；Multimode fibre price is high, design cost and maintenance cost
Sharply increase；Radar Products in particular by light slip ring (namely light collector ring) are designed, and the increase of light contact (often increases by one
Multimode fibre needs to be correspondingly arranged a light slip ring contact) being doubled and redoubled for product price and maintenance cost can be caused.
Content of the invention
It is an object of the invention to provide a kind of Digital Array Radar optical fiber transmission network, to solve existing digital array
Radar fiber transmission network can not realize that multiple spot links the multifiber for causing while occurring communication shakiness when carrying out signal transmission
Fixed problem.
The second object of the present invention is to provide a kind of Digital Array Radar optical fiber transmission network, to solve existing numeral
The higher problem of design cost and maintenance cost that array radar optical fiber transmission network is caused using many root multimode fibers.
For achieving the above object, the invention provides a kind of Digital Array Radar optical fiber transmission network, for setting up numeral
Data communication between T/R components and signal processing component, including：One single-mode fiber being connected with signal processing component, and
The optical branching device that numeral T/R components are connected is set up with described, the single-mode fiber is used for the signal from signal processing component
Send to the shunt, if the optical branching device is divided into the signal behind main line is transmitted further to the digital T/R components.
It is preferred that the signal processing component is provided with single mode optical transmission module, the single mode optical transmission module is used for will letter
In number process assembly, serial digital signal to be sent is sent to the single-mode fiber after being converted to optical signal.
It is preferred that being connected by the first optical patchcord between the signal processing component and the single-mode fiber.
It is preferred that being provided with single multimode in the digital T/R components loads in mixture Optical Receivers, single multimode loads in mixture light and connects
Receiving module is used for the signal from the optical branching device to be carried out to receive after opto-electronic conversion.
It is preferred that by several the second optical patchcord connections between the digital T/R components and the optical branching device, the
The way that the quantity of two optical patchcords is divided by optical branching device with signal is identical.
It is preferred that the optical branching device is 1:8 optical fiber splitter.
It is preferred that also including an optical fiber collector ring, the signal output part of the signal processing component is converged by the optical fiber
Stream ring is connected with the single-mode fiber.
The present invention is due to using above technical scheme, being allowed to compared with prior art, have the advantage that with good effect and be：
1) present invention is adopted single-mode fiber and optical branching device, realize that by the improvement of standard the network of " one-to-many " is mutual
Even, greatly design cost and maintenance cost are reduced, especially with the radar of light collector ring；
2) single-mode fiber that the present invention is adopted, it is to avoid the signal phase jitter problem that multifiber transmission brings, improves
Communication stability；
3) single-mode fiber that the present invention is adopted, product price is 1/10th of multimode fibre, greatly reduces design cost
And maintenance cost；
4) optical branching device that the present invention is adopted belongs to passive device, it is not necessary to power supply and radiating, is easy to product to install and make
With raising reliability；
5) present configuration is simple, easily manufactured, reliable, and test adjustment is convenient, with good economy.
Description of the drawings
Digital Array Radar optical fiber transmission network composition figures of the Fig. 1 for the preferred embodiment of the present invention；
Digital Array Radar optical fiber transmission network decay calculation schematic diagrames of the Fig. 2 for the preferred embodiment of the present invention.
Specific embodiment
Referring to the accompanying drawing for illustrating the present embodiment, the present invention is described in more detail.However, the present invention can be with many
Multi-form is realized, and be should not be construed as and limited by the embodiment for herein proposing.Conversely, propose these embodiments be in order to
Abundant and complete disclosure is reached, and makes those skilled in the art understand the scope of the present invention completely.
As shown in figure 1, the present invention provide Digital Array Radar optical fiber transmission network, for set up digital T/R components and
In transmitting terminal 10, data communication between signal processing component, its only include that a single-mode fiber 11, transmission network 20 include one
Individual optical branching device 21.Wherein, the single-mode fiber 11 is connected with the signal processing component of transmitting terminal 10, optical branching device 21 and receiving terminal
30 digital T/R components are connected.Single-mode fiber 11 is used for sending the signal to be sent from transmitting terminal signal processing component
To optical branching device 21, if optical branching device 31 is divided into the signal of transmission behind main line is transmitted further to digital T/R components.
When the transmission network works, single-mode fiber is achieved after the signal of transmitting terminal enters transmission network and is transmitted, light point
The multiple spot that road device is achieved between transmitting terminal and receiving terminal is linked, realize setting up numeral T/R components and signal processing component it
Between data communication.By arranging single-mode fiber and optical branching device, while reducing optical-fibre channel quantity, digital array thunder is met
The data transportation requirements for reaching, it is to avoid using multichannel multimode fibre cause with high costs, communicate unstable problem.
Wherein, the signal processing component in the present embodiment is provided with single mode optical transmission module, and the single mode optical transmission module is used for
Serial digital signal to be sent in signal processing component is converted to and be sent to after optical signal single-mode fiber.Single-mode optics send mould
Block is located at signal transacting combination inside, realizes that the opto-electronic conversion of high-speed serial digital signal sends, and traffic rate is 2.5Gbps,
The a length of single mode 1550nm of light wave, port type are FC, and fibre core is 9/125 μm, and minimum transmitting luminous power is -4.6dBm.
Refer again to shown in Fig. 1, between the signal processing component in the present embodiment and single-mode fiber 11, pass through the first optical fiber
Wire jumper 40 connects.First optical patchcord 40 is located between signal processing component and optical branching device (only one), realizes optical fiber chain
The physical termination on road, the port type in the present embodiment are FC/FC, and fibre core is 9/125 μm, maximum loss 0.6dBm.
Optical branching device in the present embodiment is 1:8 optical fiber splitter.Which is autonomous device, and port type is FC/FC, fine
Core is 9/125 μm, and maximum loss is 10.5dBm.In other preferred embodiments, optical branching device is also dependent on needing to be set to which
The shunt of his branch quantity.
Single multimode is provided with digital T/R components in the present embodiment and loads in mixture Optical Receivers, single multimode loads in mixture light-receiving
Module is used for the signal from optical branching device 21 to be carried out to receive after opto-electronic conversion.Single multimode loads in mixture Optical Receivers and is provided at
The inside of digital T/R components, it is possible to achieve the opto-electronic conversion of high-speed serial digital signal is received, traffic rate is 2.5Gbps, light
Wavelength is single mode 1550nm, and port type is LC, and fibre core is 9/125 μm, and received optical power is -18～-3dBm, maximum loss
0.6dBm
Accordingly, refer again to shown in Fig. 1, jumped by several second optical fiber between digital T/R components and optical branching device
Line 50 connects, and the way that the quantity of the second optical patchcord is divided by optical branching device with signal is identical.Second optical patchcord 50 is located at
Between optical branching device and numeral T/R components (eight), the physical termination of optical fiber link is realized, port type is FC/LC, fibre core is
9/125μm.
The transmission network also includes a smooth collector ring, and the signal output part of signal processing component is by the light collector ring and list
Mode fiber is connected.After optical branching device is placed on light collector ring, the light contact in the collector ring of so whole transmission network only has
One, can greatly reduce design cost and maintenance cost.
So, link and cascade of the high speed sending signal of signal transacting combination by above-mentioned setting, eventually arrives at numeral
T/R components, also, whole link load is less than 11.7dBm, and minimum arrival power is -16.3dBm, meets receiver module
Minimum sensitivity requirement, realizes the foundation of whole communication network.
In above preferred embodiment, the present invention include single mode optical transmission module, the first optical patchcord, optical branching device, the
Two optical patchcords and single multimode load in mixture Optical Receivers, and which can more effectively reduce optical-fibre channel quantity, install convenient, reduction
Design cost and maintenance cost, meet the demand of data array radar fiber transmission network.
In a preferred embodiment, single mode optical transmission module, the first optical patchcord, optical branching device, the second optical patchcord
As shown in table 1 with the parts selection that single multimode loads in mixture Optical Receivers.
1 parts selection of table
In the present embodiment, signal transacting combines high-speed serial digital signal to be sent by single mode optical transmission module
OEA01-D02-326-623-01Y realizes opto-electronic conversion, and is sent to the first optical patchcord ODA-FC-FC- by FC ports
PS2-L5；The FC ports of optical branching device PLC1*8-FC*8FC-F after flowing through the first optical patchcord, are entered, and 1 is carried out inside which:8
Passive homophase branch, then sent to optical patchcord 2ODA-LC-FC-PS2-L1 by FC ports；Flow through the second optical patchcord
Afterwards, enter single multimode to load in mixture the LC ports of Optical Receivers HTS8301-LH and carry out opto-electronic conversion, realize digital signal reception.
In the present embodiment, the optical power attenuation of each part of optical fiber transmission network is as shown in table 2.
The optical power attenuation of 2 each part of table
The data of table 2 are combined Fig. 2, the arrival luminous power of the transmission network in the present embodiment can reach -16.3dBm
(receiving sensitivity reaches -18dBm), effect is preferable.
In the present embodiment, the relative jitter of whole optical fiber transmission network is less than 8 road signals after 1ns, namely branch
Phase equalization is higher, and also preferably, the application for complying fully with the new Digital Array Radar for needing to transmit mass data is needed time delay
Will.
In sum, the invention provides a kind of Digital Array Radar optical fiber transmission network based on single-mode fiber：Sending out
Using shunt, sending end only using a single-mode fiber, realizes that multiple spot is linked in receiving terminal, for setting up digital T/R components and letter
Number process combination between data communication.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those skilled in the art the invention discloses technical scope in, to the deformation done of the present invention or replacement, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.
Claims (7)
1. a kind of Digital Array Radar optical fiber transmission network, for setting up the number between digital T/R components and signal processing component
According to communication, it is characterised in that include：One single-mode fiber being connected with signal processing component, and numeral T/R groups are set up with described
The optical branching device that part is connected, the single-mode fiber are used for sending the signal from signal processing component to the shunt, institute
The digital T/R components are transmitted further to if stating optical branching device and the signal being divided into behind main line.
2. Digital Array Radar optical fiber transmission network according to claim 1, it is characterised in that the signal processing component
Single mode optical transmission module is provided with, the single mode optical transmission module is used for serial digital signal to be sent in signal processing component
The single-mode fiber is sent to after being converted to optical signal.
3. Digital Array Radar optical fiber transmission network according to claim 1 and 2, it is characterised in that the signal transacting
Connected by the first optical patchcord between component and the single-mode fiber.
4. Digital Array Radar optical fiber transmission network according to claim 1, it is characterised in that the digital T/R components
Inside it is provided with single multimode and loads in mixture Optical Receivers, single multimode loads in mixture Optical Receivers for from the optical branching device
Signal is received after carrying out opto-electronic conversion.
5. the Digital Array Radar optical fiber transmission network according to claim 1 or 4, it is characterised in that the digital T/R groups
By several the second optical patchcord connections between part and the optical branching device, the quantity of the second optical patchcord is with signal by light point
Device divided way in road is identical.
6. Digital Array Radar optical fiber transmission network according to claim 1, it is characterised in that the optical branching device is 1:
8 optical fiber splitter.
7. Digital Array Radar optical fiber transmission network according to claim 1, it is characterised in that also include that a light confluxes
Ring, the signal output part of the signal processing component are connected with the single-mode fiber by the smooth collector ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038079.2A CN106506082A (en) | 2016-11-10 | 2016-11-10 | A kind of Digital Array Radar optical fiber transmission network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038079.2A CN106506082A (en) | 2016-11-10 | 2016-11-10 | A kind of Digital Array Radar optical fiber transmission network |
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| CN106506082A true CN106506082A (en) | 2017-03-15 |
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| CN201611038079.2A Pending CN106506082A (en) | 2016-11-10 | 2016-11-10 | A kind of Digital Array Radar optical fiber transmission network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639403A (en) * | 2018-11-26 | 2019-04-16 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The method of synchronous transfer digital array antenna base band excited data |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5374935A (en) * | 1993-02-23 | 1994-12-20 | University Of Southern California | Coherent optically controlled phased array antenna system |
| US20030080899A1 (en) * | 2001-10-30 | 2003-05-01 | Kwangju Institute Of Science And Technology Of Republic Of Korea | Phased array antenna using gain switched multimode fabry-perot laser diode and high-dispersion-fiber |
| CN201392409Y (en) * | 2009-04-09 | 2010-01-27 | 三维通信股份有限公司 | Digital low-cost optical fiber transmission composite structure |
| CN101995566A (en) * | 2010-10-15 | 2011-03-30 | 西安电子科技大学 | System and method for forming digital wave beams of two-dimensional digital array radar |
-
2016
- 2016-11-10 CN CN201611038079.2A patent/CN106506082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5374935A (en) * | 1993-02-23 | 1994-12-20 | University Of Southern California | Coherent optically controlled phased array antenna system |
| US20030080899A1 (en) * | 2001-10-30 | 2003-05-01 | Kwangju Institute Of Science And Technology Of Republic Of Korea | Phased array antenna using gain switched multimode fabry-perot laser diode and high-dispersion-fiber |
| CN201392409Y (en) * | 2009-04-09 | 2010-01-27 | 三维通信股份有限公司 | Digital low-cost optical fiber transmission composite structure |
| CN101995566A (en) * | 2010-10-15 | 2011-03-30 | 西安电子科技大学 | System and method for forming digital wave beams of two-dimensional digital array radar |
Non-Patent Citations (3)
| Title |
|---|
| 吴曼青: ""数字阵列雷达及其进展"", 《中国电子科学研究院学报》 * |
| 朱庆明: ""数字阵列雷达述评"", 《雷达科学与技术》 * |
| 朱晓维，杜正伟主编: "《2014全国第十五届微波集成电路与移动通信学术年会论文集》", 31 January 2014, 东南大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639403A (en) * | 2018-11-26 | 2019-04-16 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The method of synchronous transfer digital array antenna base band excited data |
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