CN110579756A - Distributed optical transmission wave control system - Google Patents
Distributed optical transmission wave control system Download PDFInfo
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- CN110579756A CN110579756A CN201810591066.0A CN201810591066A CN110579756A CN 110579756 A CN110579756 A CN 110579756A CN 201810591066 A CN201810591066 A CN 201810591066A CN 110579756 A CN110579756 A CN 110579756A
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- wave control
- control module
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- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
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- 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
- G01S7/42—Diversity systems specially adapted for radar
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
- G01S2013/0254—Active array antenna
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model provides a distributed optical transmission wave control system, belongs to phased array radar technical field, is mainly by radar monitoring module, one-level wave control module, radar timing module, second grade wave control module, tertiary wave control module and active element constitute, its characterized in that: the radar monitoring module is connected with the first-level wave control module, the radar timing module is connected with the first-level wave control module, the second-level wave control module is connected with the first-level wave control module, the third-level wave control module is connected with the second-level wave control module, the third-level wave control module is connected with the active unit, an optical fiber transmission technology is adopted as a data transmission mode and an information exchange mode, and compared with the traditional electric signal transmission mode, the optical transmission technology has the obvious advantages: wide working bandwidth, excellent transmission performance, excellent mechanical performance, chemical stability, thermal stability and anti-electromagnetic interference performance.
Description
Technical Field
The invention relates to a distributed optical transmission wave control system, and belongs to the technical field of phased array radars.
Background
The radar is used as a long-distance detection sensor, and the important military application of the radar is rapidly developed, so that the civil value of the radar is increasingly shown nowadays, such as phased array weather radar. In world war II, due to war requirement, each party of war develops various radar equipment, so that the radar has more and more functions and higher performance, and the radar is rapidly developed at this stage. The radar industry in China starts late, but through continuous efforts of generations of people for more than decades, the radar industry in China goes through various stages from endless to large, from weak to strong, and at present, the radar industry in China has entered the international leading ranks in many aspects. The development of radar technology is fast, so that the traditional radar concept and architecture are continuously updated. In modern war, along with the continuous law of weapon equipment, the requirement for radar is also continuously improved, and along with the continuous development of radar technology, its use in war has also changed, and it is the important means of communication, command and information collection in war, must be able to search for a plurality of targets, intercept, track, discern and weapon guidance or fire control etc. function. The invention develops a distributed optical transmission wave control system.
Disclosure of Invention
In view of the above disadvantages, the present invention provides a distributed optical transmission wave control system.
The invention is realized by the following technical scheme: the utility model provides a distributed optical transmission wave control system, is mainly by radar monitoring module, one-level wave control module, radar timing module, second grade wave control module, tertiary wave control module and active element constitute, its characterized in that: the radar monitoring module is connected with the primary wave control module, the radar timing module is connected with the primary wave control module, the secondary wave control module is connected with the primary wave control module, the tertiary wave control module is connected with the secondary wave control module, and the tertiary wave control module is connected with the active unit.
The primary wave control module comprises 1 primary wave control unit, 1 level 1 optical fiber receiving unit and 1 optical fiber IO board, wherein the primary wave control unit is totally 1 set in the design, can complete communication with a radar main monitoring system, receives broadcast communication information sent by the radar main monitoring system, and contains contents such as a radar working mode, a working frequency point, elevation angle pointing information, azimuth pointing information and the like; according to the working mode of the radar, selecting different processing modes, calculating the wave control base code required by the current radar period according to the communication content, and sorting and coding the wave control base code and the parameters required by the current working mode according to the working mode of the radar; the method comprises the steps of completing address information coding and data information electric/optical conversion according to an output port, transmitting the address information, the wave control base code and each working parameter to secondary wave control after electric/optical conversion, carrying out shunting and electro-optical conversion processing on a trigger signal of a complete machine timing system, and transmitting the trigger signal to the secondary wave control.
The three-level wave control module is the final-stage control device designed by the system, each subarray is controlled by one three-level wave control, each subarray comprises 72 active radiation units, the whole antenna array surface totally comprises 88 subarrays, namely the number of the three-level wave controls is 88, and each 11 three-level wave controls are controlled by one second-level wave control.
The invention has the advantages that: compared with the traditional electric signal transmission mode, the distributed optical transmission wave control system adopts the optical fiber transmission technology as a data transmission and information exchange mode, and the optical transmission technology has the remarkable advantages that: wide working bandwidth, excellent transmission performance, excellent mechanical performance, chemical stability, thermal stability and anti-electromagnetic interference performance.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure, the radar monitoring module 1, the radar timing module 2, the primary wave control module 3, the radar timing module 4, the secondary wave control module 5, the tertiary wave control module 6 and the active unit.
Detailed Description
The utility model provides a distributed optical transmission wave control system, is mainly by radar monitoring module 1, one-level wave control module 2, radar timing module 3, second grade wave control module 4, tertiary wave control module 5 and active element 6 constitutes its characterized in that: the radar monitoring module 1 is connected with the primary wave control module 2, the radar timing module 3 is connected with the primary wave control module 2, the secondary wave control module 4 is connected with the primary wave control module 2, the tertiary wave control module 5 is connected with the secondary wave control module 4, and the tertiary wave control module 5 is connected with the active unit 6.
The primary wave control module 2 comprises 1 primary wave control unit, 1 level optical fiber receiving unit and 1 optical fiber IO board, wherein the primary wave control unit is totally 1 set in the design, can complete communication with a radar main monitoring system, receives broadcast communication information sent by the radar main monitoring system, and contains contents such as a radar working mode, a working frequency point, elevation angle pointing information, azimuth pointing information and the like; according to the working mode of the radar, selecting different processing modes, calculating the wave control base code required by the current radar period according to the communication content, and sorting and coding the wave control base code and the parameters required by the current working mode according to the working mode of the radar; the method comprises the steps of completing address information coding and data information electric/optical conversion according to an output port, transmitting the address information, the wave control base code and each working parameter to secondary wave control after electric/optical conversion, carrying out shunting and electro-optical conversion processing on a trigger signal of a complete machine timing system, and transmitting the trigger signal to the secondary wave control.
The three-level wave control module 5 is the final control device designed by the system of the present embodiment, each sub-array is controlled by one three-level wave control, each sub-array comprises 72 active radiation units, the whole antenna array surface comprises 88 sub-arrays, namely the number of the three-level wave controls is 88, and each 11 three-level wave controls are controlled by one two-level wave control.
When the system works, according to the comparative analysis of the functional upper sections of the beam control system and the analysis of the antenna array surface, the design scheme adopts the design modes of centralized management and distributed control to meet the requirements of the whole machine, the beam control system adopts the design scheme of distributed and optical fiber transmission, and the beam control system is divided into three-level control modes, namely first-level wave control, second-level wave control and third-level wave control according to the function and the physical installation position. Because of the limitation of response time, the beam control system adopts a distributed computing mode, namely serial computing is adopted between the front stage and the rear stage, parallel computing is adopted at the same stage, phase shift values of all phase shifters controlled by the front stage and the rear stage are computed, a time sequence signal required by the phase shifters is generated according to the timing trigger of the radar whole machine and drives the phase shifters to phase, a phase shift code required by each phase shifter in a phased array antenna is rapidly computed according to the requirement of the radar whole machine on the antenna beam direction, the computed phase shift code is transmitted to each phase shifter on an antenna array surface within a specified time, a time sequence trigger signal required by the phase shifter phase position is generated according to the time sequence trigger signal of the whole machine, the phase shift code is transmitted to the phase shifters according to the time sequence signal to complete the phase position of the phase shifters, the phase, achieving antenna beam positioning is a fundamental function of phased array radar beam steering systems. In the current phased array radar, a large number of T/R components are used, the components comprise phase shifters of phase adjusting devices and attenuators of amplitude adjusting devices, and the generation of attenuator control signals is also the basic function of a beam control system.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (3)
1. The utility model provides a distributed optical transmission wave control system, is mainly by radar monitoring module, one-level wave control module, radar timing module, second grade wave control module, tertiary wave control module and active element constitute, its characterized in that: the radar monitoring module is connected with the primary wave control module, the radar timing module is connected with the primary wave control module, the secondary wave control module is connected with the primary wave control module, the tertiary wave control module is connected with the secondary wave control module, and the tertiary wave control module is connected with the active unit.
2. The distributed optical transmission wave control system of claim 1, wherein: the primary wave control module comprises 1 primary wave control unit, 1 level 1 optical fiber receiving unit and 1 optical fiber IO board, wherein the primary wave control unit is totally 1 set in the design, can complete communication with a radar main monitoring system, receives broadcast communication information sent by the radar main monitoring system, and contains contents such as a radar working mode, a working frequency point, elevation angle pointing information, azimuth pointing information and the like; according to the working mode of the radar, selecting different processing modes, calculating the wave control base code required by the current radar period according to the communication content, and sorting and coding the wave control base code and the parameters required by the current working mode according to the working mode of the radar; the method comprises the steps of completing address information coding and data information electric/optical conversion according to an output port, transmitting the address information, the wave control base code and each working parameter to secondary wave control after electric/optical conversion, carrying out shunting and electro-optical conversion processing on a trigger signal of a complete machine timing system, and transmitting the trigger signal to the secondary wave control.
3. The distributed optical transmission wave control system of claim 1, wherein: the three-level wave control module is the final-stage control device designed by the system, each subarray is controlled by one three-level wave control, each subarray comprises 72 active radiation units, the whole antenna array surface totally comprises 88 subarrays, namely the number of the three-level wave controls is 88, and each 11 three-level wave controls are controlled by one second-level wave control.
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| CN201810591066.0A CN110579756A (en) | 2018-06-10 | 2018-06-10 | Distributed optical transmission wave control system |
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| CN201810591066.0A CN110579756A (en) | 2018-06-10 | 2018-06-10 | Distributed optical transmission wave control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147581A (en) * | 2020-09-29 | 2020-12-29 | 中国船舶重工集团公司第七二四研究所 | Distributed beam control method based on high-precision time reference |
| CN112162504A (en) * | 2020-09-10 | 2021-01-01 | 中国电子科技集团公司第三十八研究所 | Expanded distributed cascade anti-radiation wave control circuit |
| CN116736235A (en) * | 2023-06-14 | 2023-09-12 | 中国科学院空天信息创新研究院 | Large-scale satellite-borne SAR phased array antenna control system and method |
-
2018
- 2018-06-10 CN CN201810591066.0A patent/CN110579756A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162504A (en) * | 2020-09-10 | 2021-01-01 | 中国电子科技集团公司第三十八研究所 | Expanded distributed cascade anti-radiation wave control circuit |
| CN112147581A (en) * | 2020-09-29 | 2020-12-29 | 中国船舶重工集团公司第七二四研究所 | Distributed beam control method based on high-precision time reference |
| CN116736235A (en) * | 2023-06-14 | 2023-09-12 | 中国科学院空天信息创新研究院 | Large-scale satellite-borne SAR phased array antenna control system and method |
| CN116736235B (en) * | 2023-06-14 | 2024-01-26 | 中国科学院空天信息创新研究院 | Large-scale satellite-borne SAR phased array antenna control system and method |
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Application publication date: 20191217 |