CN112290233A - Large-scale multifrequency section is total to battle array face antenna - Google Patents
Large-scale multifrequency section is total to battle array face antenna Download PDFInfo
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- CN112290233A CN112290233A CN202011129100.6A CN202011129100A CN112290233A CN 112290233 A CN112290233 A CN 112290233A CN 202011129100 A CN202011129100 A CN 202011129100A CN 112290233 A CN112290233 A CN 112290233A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/084—Pivotable antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/10—Telescopic elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Abstract
The invention relates to a large multi-band common-array-plane antenna, belonging to the technical field of radar antennas. The middle array surface of the first subarray is fixedly arranged on the high-frequency box and does not move, the left array surface and the right array surface of the first subarray are respectively hinged on the left side and the right side of the high-frequency box, the middle plate of the second array surface is fixedly arranged on the high-frequency box and does not move, and the left plate I and the right plate I are respectively and independently hinged on the left side and the right side of the high-frequency box and complete 90-degree turnover around the; the left plate II is hinged with the left plate I, and the right plate II is hinged with the right plate I and overturns 180 degrees around the rotating shaft; the left array surface and the right array surface are symmetrical in structure and are respectively provided with a plurality of A, B frequency band unit antennas; the left plate II and the right plate II are structurally symmetrical, the left plate I and the right plate I are structurally symmetrical, and a plurality of C, D-frequency-band unit antennas are respectively installed on the left plate II, the left plate I, the right plate I and the right plate II in a staggered mode. The problem of prior art realize that multi-band antenna common array face is difficult and heavy-calibre and automatic, high maneuverability can mutually the elbow is solved.
Description
Technical Field
The invention relates to a large multi-band common-array-plane antenna, belonging to the technical field of radar antennas.
Background
Along with the development of science and technology, the influence of a complex electromagnetic environment on war is larger and larger, and it is a trend that the radar can cope with the influence of the complex electromagnetic environment through switching of various frequency bands. However, multiple frequency band switching imposes new requirements on the design of the radar antenna structure: the aperture of the antenna array surface is large, the multi-band antenna shares one array surface, and the radar erection and retraction has high automation degree, good maneuverability and no hoisting in railway transportation. However, the bigger the aperture of the radar antenna array surface is, the greater the difficulty of further realizing automation and high maneuverability is, and the requirement of multi-band array surface is met, so that the structural design of the radar antenna is difficult, reasonable selection and selection are necessary, the advantages and the disadvantages are improved, and the excellent comprehensive performance of the radar can be ensured. Therefore, the development of a large multi-band co-array antenna which realizes the co-array and large caliber of the multi-band antenna, has high automation degree and strong maneuvering performance and is not hoisted in railway transportation is very necessary.
Disclosure of Invention
The invention aims to provide a large multi-band array-surface-sharing antenna aiming at the defects of the prior art, the structure of the large multi-band array-surface-sharing antenna is scientific and reasonable, the high standard targets of multi-band antenna array surface sharing, large caliber, high automation degree and strong maneuvering performance are realized, the comprehensive performance is ensured to be excellent, and the railway transportation requirements are met. The antenna solves the problems that the prior antenna structure is difficult to realize the common array surface of the multi-band antenna, and the antenna array surface has large caliber and the mutual toggle of the automation degree and the maneuvering performance.
The invention realizes the purpose through the following technical scheme:
a large multi-band co-array antenna comprises a first sub-array and a second sub-array; the method is characterized in that: the subarray I is composed of a left array surface, a middle array surface and a right array surface, the middle array surface is fixedly mounted on the high-frequency box and does not move, the left array surface is hinged to the left side face of the high-frequency box, the right array surface is hinged to the right side face of the high-frequency box, and the left array surface and the right array surface are respectively horizontally compressed and then are accommodated and attached to the left side and the right side of the high-frequency box; the array surface II is composed of a left plate II, a left plate I, a middle plate, a right plate I and a right plate II, the middle plate is fixedly arranged on the high-frequency box and is fixed, the left plate I and the right plate I are respectively and independently hinged on the left side surface and the right side surface of the high-frequency box, and the left plate I and the right plate I complete 90-degree turnover around the rotating shaft; the left plate II is hinged with the left plate I, the right plate II is hinged with the right plate I, and the plate II is overturned by 180 degrees around the rotating shaft; the left array surface and the right array surface are symmetrical in structure, and a plurality of A frequency band unit antennas and B frequency band unit antennas are respectively installed on the left array surface and the right array surface; the left plate II and the left plate I are respectively symmetrical to the composition structures of the right plate II and the right plate I, and a plurality of C-band unit antennas and D-band unit antennas are respectively installed on the left plate II, the left plate I, the right plate II and the right plate I in a staggered mode.
The first subarray mainly comprises an A-frequency-band unit antenna, a B-frequency-band unit antenna, a telescopic arm, a turnover oil cylinder, a reflecting net, a sliding rail, an A-frequency-band array framework and a B-frequency-band array framework; the telescopic arm is composed of a plurality of sub-joint arms, and a driving mechanism is arranged in each sub-joint arm.
The second subarray mainly comprises a plurality of groups of 90-degree folding oil cylinders, a plurality of pin shafts, a plurality of 180-degree folding mechanisms and a plurality of automatic lock pins.
A plurality of groups of 90-degree folding oil cylinders are arranged between the left plate I and the high-frequency box, the left plate I and the right plate I respectively turn over around a pin shaft for 90 degrees, and the left plate I and the right plate I are connected with the high-frequency box through pin shafts respectively.
The left plate II and the right plate II are respectively and independently connected with the left plate I and the right plate I through pin shafts, 180-degree folding mechanisms are respectively installed on the left plate II and the right plate II, and the left plate II and the right plate II are respectively turned over for 180 degrees around the pin shafts.
And automatic locking pins are arranged between the left plate II and the left plate I and between the right plate II and the right plate I.
Compared with the prior art, the invention has the beneficial effects that:
according to the large multi-band co-array antenna, a plurality of A-D frequency band unit antennas are integrally installed on a large number of sub-arrays I and two, the frequency band unit antennas are arranged in a staggered mode according to a certain rule, a large number of multi-band antennas are harmoniously arranged on one array face, different folding modes are selected according to the structural characteristics of the sub-arrays I and two, or the multi-band co-array antenna is folded in a combined mode of 90-degree turnover and 180-degree turnover in a blocking mode, or the multi-band co-array antenna is folded in a combined mode of horizontal stretching and 90-degree turnover mode, and the multi. The aperture of the antenna array surface is large, the whole structure is scientific and reasonable, the full-automatic erection/retraction is rapid and smooth, the maneuvering performance of the radar is improved, the railway transportation requirement is completely met, and the excellent comprehensive performance of the radar is effectively ensured. The problems that the conventional antenna structure is difficult to realize a multi-band antenna common array surface, and the manufacturing of an ultra-large-diameter antenna array surface is contradictory to the automation and high-speed maneuvering performance of the radar and the elbow stopping are solved.
Drawings
FIG. 1 is a schematic diagram of a front view of a large multi-band co-array antenna;
FIG. 2 is a schematic diagram of a side view of a large multi-band co-array antenna;
FIG. 3 is a schematic diagram of the expanded state of the first subarray;
FIG. 4 is a schematic diagram of an intermediate state of the folding process of the first subarray;
FIG. 5 is a schematic view of a folded state of the first subarray;
FIG. 6 is a schematic diagram of the second sub-array in an expanded state;
FIG. 7 is a diagram illustrating an intermediate state of the second subarray during the folding process;
fig. 8 is a schematic view of the folded state of the second subarray.
In the figure: 1. a first subarray 2, a second subarray 3, a high-frequency box 4 and a pin shaft;
101. the antenna comprises a left array surface, 102, a middle array surface, 103, a right array surface, 104, an A-band unit antenna, 105, a B-band unit antenna, 106, a telescopic arm, 107, a turnover oil cylinder, 108, a reflection net, 109, a slide rail, 110, an A-band row framework and 111, a B-band row framework.
201. The antenna comprises a left plate I, a left plate II, a middle plate 203, a middle plate 204, a right plate I, a right plate 205, a right plate II, a C-band unit antenna, 207, a D-band unit antenna, 208 and 90-degree folding oil cylinders, 209 and 180-degree folding mechanisms, 210 and automatic locking pins.
Detailed Description
The following describes the implementation of the large multiband co-front antenna in further detail with reference to the accompanying drawings:
the large multi-band co-array antenna comprises a first subarray 1 and a second subarray 2; the subarray I1 is composed of a left array surface 101, a middle array surface 102 and a right array surface 103, the middle array surface 102 is fixedly mounted on the high-frequency box 3 and does not move, the left array surface 101 is hinged to the left side face of the high-frequency box 3, the right array surface 103 is hinged to the right side face of the high-frequency box 3, and the left array surface 101 and the right array surface 103 are respectively horizontally compressed and then are contained and attached to the left side and the right side of the high-frequency box 3; the second subarray 2 is composed of a first left plate 201, a second left plate 202, a middle plate 203, a first right plate 204 and a second right plate 205, the middle plate 203 is fixedly mounted on the high-frequency box 3 and is not moved, the first left plate 201 and the first right plate 204 are respectively and independently hinged to the left side and the right side of the high-frequency box 3 and rotate around a rotating shaft for 90 degrees; the left plate II 202 is hinged with the left plate I201, the right plate II 205 is hinged with the right plate I204, and the plate II is turned over by 180 degrees around the rotating shaft; the left array surface 101 and the right array surface 103 are symmetrical in composition structure, a plurality of A-band unit antennas 104 and B-band unit antennas 105 are respectively installed on the left array surface 101 and the right array surface 103, and a plurality of B-band unit antennas 105 are installed on the middle array surface 102; the left plate two 202 and the right plate two 205 form a symmetrical structure, the left plate one 201 and the right plate one 204 form a symmetrical structure, and the left plate two 202, the left plate one 201, the middle plate 203, the right plate one 204 and the right plate two 205 are respectively provided with a plurality of C-band unit antennas 206 and D-band unit antennas 207 in a staggered manner (see fig. 1 and 2).
The subarray I1 mainly comprises an A-band unit antenna 104, a B-band unit antenna 105, a telescopic arm 106, a turnover oil cylinder 107, a reflecting net 108, a slide rail 109, an A-band array framework 110 and a B-band array framework 111; in which the telescopic arm 106 is composed of a plurality of sub-articulated arms, inside which a drive mechanism is arranged (see fig. 3, 4 and 5).
The second subarray 2 mainly comprises a first left plate 201, a second left plate 202, a middle plate 203, a first right plate 204, a second right plate 205, a plurality of groups of 90-degree folding oil cylinders 208, a plurality of pin shafts 4, a plurality of 180-degree folding mechanisms 209 and a plurality of automatic lock pins 210.
A plurality of groups of 90-degree folding oil cylinders 208 are arranged between the first left plate 201 and the first right plate 204 and the high-frequency box 3, the first left plate 201 and the first right plate 204 are respectively turned by 90 degrees around a pin shaft 4, and the first left plate 201 and the first right plate 204 of the subarray 2 are respectively connected with the high-frequency box 3 through pin shafts 4.
The left plate II 202 and the right plate II 205 are respectively and independently connected with the left plate I201 and the right plate I204 through pin shafts 4, the left plate II 202 and the right plate II 205 are respectively and respectively provided with 180-degree folding mechanisms 209, and the left plate II 202 and the right plate II 205 are respectively turned over for 180 degrees around the pin shafts 4.
The first subarray 1 and the second subarray 2 of the large multi-band co-array antenna are both arranged on a high-frequency box 3 through pins 4. The left wavefront 101 and the right wavefront 103 of the subarray 1 are symmetrically arranged at the left side and the right side of the high frequency box 3, and the composition structure of the left wavefront 101 and the right wavefront 103 is symmetrical. The following specifically describes the structural configurations of the left wavefront 101 and the right wavefront 103 by taking the left wavefront 101 as an example; (see fig. 3), the left wavefront 101 is mainly composed of an a-band unit antenna 104, a B-band unit antenna 105, a telescopic arm 106, a turnover cylinder 107, a reflective net 108, a slide rail 109, an a-band column framework 110, and a B-band column framework 111. The A-band unit antenna 104 is fixedly mounted on the A-band row framework 110, and the B-band unit antenna 105 is fixedly mounted on the B-band row framework 111. The telescopic arm 106 is composed of a plurality of sub-joint arms, a driving mechanism is arranged in each sub-joint arm, each sub-joint arm automatically extends out or retracts under the action of the driving mechanism, a sliding rail 109 is arranged between each sub-joint arm, and when the telescopic arm 106 extends out or retracts, the sliding rail 109 is driven to slide between every two adjacent sub-joint arms. The A-band row framework 110 and the B-band row framework 111 are arranged according to design and are installed on the sliding rail 109 through sliding bearings, the leftmost row framework is fixed to the farthest end of the telescopic arm 106, and the rightmost row framework is fixed to the root of the telescopic arm 106. A reflecting net 108 is arranged between the column frameworks, and the reflecting net 108 is provided with a folding mechanism with folding and limiting functions; when the telescopic arm 106 extends out, the left-most column skeleton moves along with the telescopic arm, and the A-band column skeleton 110 and the B-band column skeleton 111 are driven by the reflecting net 108 step by step to expand along the slide rail 109.
(see fig. 1 and 6), the second subarray 2 is mainly provided with a C-band unit antenna 206 and a D-band unit antenna 207, and the two unit antennas are arranged on the second left plate 202, the first left plate 201, the middle plate 203, the first right plate 204 and the second right plate 205 of the second subarray 2 in a staggered manner; the middle plate 203 of the second subarray 2 is fixedly arranged on the high-frequency box 3; the left plate I201 and the right plate I204 are symmetrically arranged on the left side and the right side of the high-frequency box 3 through pin shafts 4 respectively, a plurality of groups of 90-degree folding oil cylinders 208 are arranged between the left plate I201 and the high-frequency box 3 and between the right plate I204 and the high-frequency box 3, and under the driving of the 90-degree folding oil cylinders 208, the left plate I201 and the right plate I204 complete 90-degree overturning around the pin shafts 4 and are attached to the high-frequency box 3 for storage or unfolding; the left plate II 202 and the right plate II 205 are respectively connected with the left plate I201 and the right plate I204 through a pin shaft 4, and the left plate II 202 and the right plate II 205 are respectively turned over for 180 degrees around the pin shaft 4 under the driving of a 180-degree folding mechanism 209. After the second left plate 202 and the second right plate 205 are unfolded in place, the automatic locking pin 210 locks the second left plate 202 and the first left plate 201, and the second right plate 205 and the first right plate 204, so as to ensure the rigidity of the antenna array surface.
The working principle of the large multi-band co-array antenna takes a left array surface unfolding process as an example and is detailed as follows:
when the antenna array face unfolding device works, the radar control system sends out antenna array face unfolding signals, the hydraulic system provides power sources for the overturning oil cylinders 107 of the subarrays I1, piston rods of the overturning oil cylinders 107 arranged on the left side and the right side of the high-frequency box 3 extend out to drive the left array face 101 to overturn upwards, after the left array face reaches a horizontal position, the piston rods of the overturning oil cylinders 107 are locked by the self-locking mechanisms of the overturning oil cylinders 107, and at the moment, the piston rods of the overturning oil cylinders 107 become fixed. After the control system detects a horizontal in-place signal of the left array surface 101, the control system controls the hydraulic system to provide a power source for a driving mechanism in the telescopic arm 106, so that each section of sub-arm of the telescopic arm 106 extends out, the leftmost B-band column framework 111 arranged on the telescopic arm 106 moves along with the control system, and the A-band column framework 110 and the B-band column framework 111 are driven to expand along the sliding rail 109 through the reflecting net 108; when the telescopic arm 106 is unfolded in place, the subarray 1 is completely unfolded, the driving mechanism inside the telescopic arm 106 is locked, and tension is continuously provided for the array surface by virtue of the telescopic arm 106, so that the rigidity of the array surface is ensured. The first subarray 1 is completely unfolded, after the control system detects that the first subarray 1 is unfolded in place, the control system controls the hydraulic system to provide a power source for the 90-degree folding oil cylinder 208 of the second subarray 2, a piston rod of the 90-degree folding oil cylinder 208 extends out to push the first left plate 201 to turn upwards, and when the piston rod of the 90-degree folding oil cylinder 208 extends out in place, the first left plate 201 is completely unfolded; after the control box detects that the first left plate 201 is unfolded in place, the hydraulic station is controlled to supply oil to a driving oil cylinder of the 180-degree folding mechanism 209, the second left plate 202 is turned over outwards under the action of the 180-degree folding mechanism 209, and when the driving oil cylinder of the 180-degree folding mechanism 209 stretches out in place, the second left plate 202 is unfolded in place; and after detecting the unfolding in-place signal of the second left plate 202, the control system controls the automatic locking pin 210 to lock the second left plate 202 and the first left plate 201. And finishing the antenna unfolding process, wherein the antenna folding process is the reverse process of the antenna unfolding process.
The large multi-band co-array antenna has wide and high array surface, a large number of unit antennas with different frequency bands are arranged on the array surface, and the unit antennas with the different frequency bands are arranged on the array surface in a staggered mode. The sizes of the antennas of different frequency band units are different, and the antenna array is divided into two sub-arrays in the height direction during the design of the array: subarrays 1 and 2; the subarray 1 is divided into three wavefront groups, namely a left wavefront 101, a middle wavefront 102 and a right wavefront 103, in the width direction, that is, the subarray 1 is composed of the three wavefront groups + the high frequency box 3. The second subarray 2 is sequentially arranged in the width direction and is divided into five plates including a left plate II 202, a left plate I201, a middle plate 203, a right plate I204 and a right plate II 205, namely the second subarray 2 is composed of the five plates and the high-frequency box 3. The subarray is folded in a horizontal telescopic mode, a blocking mode, a 90-degree turnover mode and a 180-degree turnover folding mode, the railway transportation requirements are met, full-automatic rapid erection/withdrawal is achieved, erection/withdrawal time is shortened, the maneuvering performance of the radar is further improved, and a high-standard target with excellent comprehensive performance is guaranteed.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (6)
1. A large multi-band co-array antenna comprises a first sub-array (1) and a second sub-array (2); the method is characterized in that: the subarray I (1) is composed of a left array surface (101), a middle array surface (102) and a right array surface (103), the middle array surface (102) is fixedly mounted on the high-frequency box (3) and does not move, the left array surface (101) is hinged to the left side surface of the high-frequency box (3), the right array surface (103) is hinged to the right side surface of the high-frequency box (3), and the left array surface (101) and the right array surface (103) are respectively horizontally compressed and then are contained and attached to the left side and the right side of the high-frequency box (3); the second array surface (2) is composed of a left plate II (202), a left plate I (201), a middle plate (203), a right plate I (204) and a right plate II (205), the middle plate (203) is fixedly arranged on the high-frequency box (3) and is fixed, the left plate I (201) and the right plate I (204) are respectively and independently hinged on the left side surface and the right side surface of the high-frequency box (3) and rotate around the rotating shaft for 90 degrees; the left plate II (202) is hinged with the left plate I (201), the right plate II (205) is hinged with the right plate I (204), and the plate II is turned over for 180 degrees around the rotating shaft; the left array surface (101) and the right array surface (103) are symmetrical in composition structure, and a plurality of A-band unit antennas (104) and B-band unit antennas (105) are respectively installed on the left array surface (101) and the right array surface (103); the left plate II (202) and the right plate II (205) form a structure which is symmetrical, the left plate I (201) and the right plate I (204) form a structure which is symmetrical, and a plurality of C-band unit antennas (206) and D-band unit antennas (207) are respectively installed on the left plate II (202), the left plate I (201), the right plate I (204) and the right plate II (205) in a staggered mode.
2. A large multi-band co-front antenna according to claim 1, characterized in that: the subarray I (1) mainly comprises an A-frequency-band unit antenna (104), a B-frequency-band unit antenna (105), a telescopic arm (106), a turnover oil cylinder (107), a reflecting net (108), a sliding rail (109), an A-frequency-band array framework (110) and a B-frequency-band array framework (111); the telescopic arm (106) is composed of a plurality of sub-joint arms, and a driving mechanism is arranged in each sub-joint arm.
3. A large multi-band co-front antenna according to claim 1, characterized in that: the second subarray (2) mainly comprises a plurality of groups of 90-degree folding oil cylinders (208), a plurality of pin shafts (4), a plurality of 180-degree folding mechanisms (209) and a plurality of automatic lock pins (210).
4. A large multi-band co-front antenna according to claim 1, characterized in that: a plurality of groups of 90-degree folding oil cylinders (208) are arranged between the left plate I (201), the right plate I (204) and the high-frequency box (3), the left plate I (201) and the right plate I (204) are respectively turned over for 90 degrees around a pin shaft (4), and the left plate I (201), the right plate I (204) and the high-frequency box (3) are respectively connected through the pin shaft (4).
5. A large multi-band co-front antenna according to claim 1, characterized in that: the left plate II (202) and the right plate II (205) are respectively and independently connected with the left plate I (201) and the right plate I (204) through a pin shaft (4), the left plate II (202) and the right plate II (205) are respectively and respectively provided with a 180-degree folding mechanism (209), and the left plate II (202) and the right plate II (205) are respectively turned over for 180 degrees around the pin shaft (4).
6. A large multi-band co-front antenna according to claim 1, characterized in that: and automatic locking pins (210) are arranged between the left plate II (202) and the left plate I (201) and between the right plate II (205) and the right plate I (204).
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| CN202011129100.6A CN112290233B (en) | 2020-10-21 | 2020-10-21 | Large-scale multifrequency section is total to battle array face antenna |
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| CN202011129100.6A CN112290233B (en) | 2020-10-21 | 2020-10-21 | Large-scale multifrequency section is total to battle array face antenna |
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| CN112290233B CN112290233B (en) | 2022-05-17 |
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| CN114050396A (en) * | 2021-10-30 | 2022-02-15 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Portable quick folding antenna structure |
| CN114171885A (en) * | 2021-11-30 | 2022-03-11 | 南京国睿防务系统有限公司 | High-mobility large-caliber meter-wave ultra-light unfolding antenna |
| CN115425383A (en) * | 2022-09-13 | 2022-12-02 | 中国电子科技集团公司第二十九研究所 | Relay type antenna array surface unfolding and folding mechanism |
| CN116841001A (en) * | 2023-08-31 | 2023-10-03 | 中国科学院长春光学精密机械与物理研究所 | Light large-sized optical reflector array surface supporting structure and installation method thereof |
| CN116840999A (en) * | 2023-08-31 | 2023-10-03 | 中国科学院长春光学精密机械与物理研究所 | Anti-sky imaging interference protection system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114050396A (en) * | 2021-10-30 | 2022-02-15 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Portable quick folding antenna structure |
| CN114050396B (en) * | 2021-10-30 | 2023-08-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Portable fast folding antenna structure |
| CN114171885A (en) * | 2021-11-30 | 2022-03-11 | 南京国睿防务系统有限公司 | High-mobility large-caliber meter-wave ultra-light unfolding antenna |
| CN115425383A (en) * | 2022-09-13 | 2022-12-02 | 中国电子科技集团公司第二十九研究所 | Relay type antenna array surface unfolding and folding mechanism |
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| CN116840999A (en) * | 2023-08-31 | 2023-10-03 | 中国科学院长春光学精密机械与物理研究所 | Anti-sky imaging interference protection system |
| CN116840999B (en) * | 2023-08-31 | 2023-10-31 | 中国科学院长春光学精密机械与物理研究所 | Anti-sky imaging interference protection system |
| CN116841001B (en) * | 2023-08-31 | 2023-11-10 | 中国科学院长春光学精密机械与物理研究所 | Light large-sized optical reflector array surface supporting structure and installation method thereof |
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| CN112290233B (en) | 2022-05-17 |
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