Phased array radar antenna simulation device for test

Abstract

The invention relates to the technical field of phased array radar test, and discloses a phased array radar antenna simulation device for test, which comprises an antenna frame, four edge simulation antenna combinations, two horizontal simulation antenna combinations, two vertical simulation antenna combinations and a center simulation antenna combination, nine mounting positions arranged in three rows and three columns are arranged on the antenna frame, and the center analog antenna combination, each edge analog antenna combination, each horizontal analog antenna combination and each vertical analog antenna combination are respectively arranged on one mounting position; the two vertical analog antenna combinations and the central analog antenna combination are arranged in parallel along the length direction of the antenna frame, and the two vertical analog antenna combinations are respectively located at two sides of the central analog antenna combination; the two horizontal analog antenna combinations and the central analog antenna combination are arranged in parallel along the width direction of the antenna frame, and the two horizontal analog antenna combinations are respectively located at two sides of the central analog antenna combination. And the cost is low.

Description

Technical Field

[0001] The invention relates to the technical field of phased array radar test and in particular to a phased array radar antenna simulation device for test. Background Art

[0002] Phased array radar antenna is a radar array composed of a large number of identical radiating units. Each radiating unit is independently controlled by wave control and phase shifter in phase and amplitude, which can obtain accurate and predictable radiation pattern and beam pointing. It can target multiple targets at the same time, has good reliability, strong anti-interference ability, adapts to more complex environments, and significantly improves the radar's survivability and anti-stealth capabilities. In order to study the structural bearing capacity of phased array radar antennas and the destructive effects of different types of loads on them, a large number of destructive tests need to be carried out. However, the cost of carrying out destructive tests on actual real radar antenna targets is high, the cycle is long, and the cost-effectiveness is low. In order to facilitate low-cost and fast-cycle testing, it is necessary to design a test phased array radar antenna structure simulation device that can simulate the real radar antenna in terms of structural composition to a certain extent, reflect its target physical characteristics to carry out relevant destructive tests, and verify its structural bearing capacity. Summary of the invention

[0003] Based on the above, the purpose of the present invention is to provide a phased array radar antenna simulation device for testing, which solves the high cost and long period technical problems of using real radar antenna testing in the prior art. The target physical characteristics are close to those of the real radar antenna, the test results are more accurate, the cost is lower, and the cost-effectiveness is relatively high.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A phased array radar antenna simulation device for testing, comprising an antenna frame, four edge simulation antenna assemblies, two horizontal simulation antenna assemblies, two vertical simulation antenna assemblies and a center simulation antenna assembly;

[0006] The antenna frame is provided with nine installation positions arranged in three rows and three columns, and the central simulated antenna combination, each of the edge simulated antenna combinations, each of the horizontal simulated antenna combinations, and each of the vertical simulated antenna combinations are respectively arranged at one of the installation positions;

[0007] The two vertical simulated antenna assemblies and the central simulated antenna assembly are arranged side by side along the length direction of the antenna frame, and the two vertical simulated antenna assemblies are respectively located on both sides of the central simulated antenna assembly;

[0008] The two horizontal analog antenna assemblies and the central analog antenna assembly are arranged side by side along the width direction of the antenna frame, and the two horizontal analog antenna assemblies are respectively located on both sides of the central analog antenna assembly.

[0009] As a preferred solution for an experimental phased array radar antenna simulation device, the antenna frame includes four rectangular side beams connected end to end and arranged in parallel along the width direction of the antenna frame, and two first beams arranged in parallel along the length direction of the antenna frame are connected between each of the first beams and one of the side beams.

[0010] As a preferred solution for an experimental phased array radar antenna simulation device, the horizontal simulated antenna combination, the vertical simulated antenna combination and the central simulated antenna combination have the same structure, and respectively include a first simulated antenna cover and a first simulated substrate connected at intervals, and also include a plurality of simulated antenna elements connected in the first simulated substrate, and the first simulated substrate is connected to the antenna frame; the edge simulated antenna combination includes a second simulated antenna cover and a second simulated substrate connected at intervals, and the second simulated substrate is connected to the antenna frame.

[0011] As a preferred embodiment of an experimental phased array radar antenna simulation device, the second simulation substrate has the same structure as the first simulation substrate, and both include a simulated antenna first layer board and a simulated antenna second layer board connected at intervals on both sides of the antenna frame, and also include a simulated antenna third layer board stacked with the simulated antenna second layer board, and the simulated antenna third layer board is located on the side of the simulated antenna second layer board away from the simulated antenna first layer board; the simulated antenna element is connected between the simulated antenna first layer board of the first simulation substrate and the simulated antenna second layer board of the first simulation substrate, and one end passes through the simulated antenna third layer board of the first simulation substrate.

[0012] As a preferred solution for an experimental phased array radar antenna simulation device, in the first simulation substrate, a plurality of first connection holes are spaced apart on the first layer of the simulation antenna, a plurality of second connection holes are relatively opened on the second layer and the third layer of the simulation antenna, one end of each of the simulation antenna elements is passed through one of the first connection holes and glued to the hole wall of the first connection hole, and the other end of each of the simulation antenna elements is passed through the second connection hole and glued to the hole wall of the second connection hole.

[0013] As a preferred solution for an experimental phased array radar antenna simulation device, the first simulated antenna cover and the second simulated antenna cover have the same structure, both comprising a simulated antenna fourth layer board, a simulated antenna fifth layer board and a simulated antenna sixth layer board stacked in sequence, and the simulated antenna fourth layer board is connected to the simulated antenna third layer board at an interval.

[0014] As a preferred solution for an experimental phased array radar antenna simulation device, a plurality of connection columns are spaced apart and connected between the first layer board and the second layer board of the simulated antenna, and between the fourth layer board and the third layer board of the simulated antenna.

[0015] As a preferred solution for an experimental phased array radar antenna simulation device, the two ends of the connecting column are respectively connected to the first layer board of the simulated antenna, the second layer board of the simulated antenna and the third layer board of the simulated antenna through connecting screws, and are also connected to the second layer board of the simulated antenna, the third layer board of the simulated antenna, the fourth layer board of the simulated antenna, the fifth layer board of the simulated antenna and the sixth layer board of the simulated antenna through connecting screws.

[0016] As a preferred solution for an experimental phased array radar antenna simulation device, the first layer of the simulated antenna, the second layer of the simulated antenna and the third layer of the simulated antenna are all aluminum plates, the fourth layer of the simulated antenna and the sixth layer of the simulated antenna are both epoxy glass cloth plates, and the fifth layer of the simulated antenna is a rigid polyurethane foam plate.

[0017] As a preferred solution for an experimental phased array radar antenna simulation device, the simulated antenna element includes a metal frame, a microcrystalline glass dielectric rod and a ferrite magnetic rod. The ferrite magnetic rod is placed in the metal frame and is glued to the metal frame. The microcrystalline glass dielectric rod is placed at one end of the metal frame and is glued to the metal frame.

[0018] The beneficial effects of the present invention are:

[0019] The present invention provides a test phased array radar antenna simulation device. By arranging four edge simulation antenna combinations, two horizontal simulation antenna combinations, two vertical simulation antenna combinations and one center simulation antenna combination in three rows and three columns on an antenna frame, the structure of an actual radar antenna is imitated as a whole, so that the test phased array radar antenna simulation device has a high degree of structural similarity with a real radar antenna, so as to improve the test accuracy, thereby replacing the real radar antenna for structural strength testing, equivalently verifying the structural bearing capacity of the real radar antenna, which is beneficial to reducing the test cost, shortening the test cycle, and improving the cost-effectiveness ratio. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0021] Figure 1 is a schematic structural diagram of an antenna frame provided by an embodiment of the present invention;

[0022] Figure 2 It is a partial structural schematic diagram of a phased array radar antenna simulation device for testing provided by an embodiment of the present invention (the first layer board of the simulated antenna and the antenna frame are not shown);

[0023] Figure 3 It is a structural schematic diagram of a horizontal simulated antenna combination, a vertical simulated antenna combination or a central simulated antenna combination provided in an embodiment of the present invention;

[0024] Figure 4 is a schematic structural diagram of a simulated antenna array provided by an embodiment of the present invention;

[0025] Figure 5 It is a structural schematic diagram of an edge simulation antenna combination provided by an embodiment of the present invention.

[0026] In the figure:

[0027] 1. antenna frame; 11. support plate; 12. beam group; 121. side beam; 122. first beam; 123. second beam;

[0028] 2. Edge simulation antenna combination; 3. Horizontal simulation antenna combination; 4. Vertical simulation antenna combination; 5. Center simulation antenna combination;

[0029] 1011, the first layer of the simulated antenna; 1012, the second layer of the simulated antenna; 1013, the third layer of the simulated antenna; 1021, the fourth layer of the simulated antenna; 1022, the fifth layer of the simulated antenna; 1023, the sixth layer of the simulated antenna; 103, the simulated antenna element; 1031, the metal frame; 1032, the microcrystalline glass dielectric rod; 104, the connecting column; 105, the connecting screw. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0031] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] In the description of the present embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0034] like Figures 1 to 5As shown, this embodiment provides a test phased array radar antenna simulation device, which includes an antenna frame 1, four edge simulated antenna combinations 2, two horizontal simulated antenna combinations 3, two vertical simulated antenna combinations 4 and a central simulated antenna combination 5; the antenna frame 1 is provided with nine installation positions arranged in three rows and three columns, and the central simulated antenna combination 5, each edge simulated antenna combination 2, each horizontal simulated antenna combination 3, and each vertical simulated antenna combination 4 are respectively arranged at an installation position, and are respectively equivalent to the central antenna combination, edge antenna combination, horizontal antenna combination and vertical antenna combination in the real radar antenna in terms of structure and physical characteristics. Among them, the two vertical simulated antenna combinations 4 and the central simulated antenna combination 5 are arranged side by side along the length direction of the antenna frame 1, and the two vertical simulated antenna combinations 4 are respectively located on both sides of the central simulated antenna combination 5, and the four edge simulated antenna combinations 2 are respectively located at the four corners of the antenna frame 1. The test phased array radar antenna simulation device is equivalent to the real radar antenna in terms of overall structural distribution. By arranging four edge simulated antenna assemblies 2, two horizontal simulated antenna assemblies 3, two vertical simulated antenna assemblies 4 and one center simulated antenna assembly 5 in three rows and three columns on the antenna frame 1, the structure of the actual radar antenna is imitated as a whole, so that the experimental phased array radar antenna simulation device has a high degree of similarity with the actual radar antenna structure, so as to improve the accuracy of the test. That is, when it is necessary to test the structural bearing effect of the actual radar antenna, the experimental phased array radar antenna simulation device with a structure similar to the actual radar antenna is constructed, and a destructive test is carried out on it to check the destructive effects of different types of loads on it, so as to replace the actual radar antenna for structural strength testing, and equivalently verify the structural bearing capacity of the actual radar antenna, which is conducive to reducing the test cost, shortening the test cycle, and improving the cost-effectiveness ratio.

[0035] Specifically, Figure 1As shown, the antenna frame 1 includes a beam group 12, and four edge analog antenna combinations 2, two horizontal analog antenna combinations 3, two vertical analog antenna combinations 4 and a central analog antenna combination 5 are all connected to the beam group 12; the beam group 12 includes four rectangular side beams 121 connected end to end in sequence and two first beams 122 arranged in parallel and spaced apart along the width direction of the antenna frame 1, wherein two second beams 123 arranged in parallel and spaced apart along the length direction of the antenna frame 1 are connected between each first beam 122 and a side beam 121. Under the above structure, the central analog antenna is located in the middle position of the antenna frame 1, and is specifically supported and connected to the two first beams 122, each vertical analog antenna is respectively supported and connected to a side beam 121 and two first beams 122, each horizontal analog antenna is respectively supported and connected to a side beam 121 and two second beams 123 on the corresponding side, and each edge analog antenna is respectively supported and connected to a rectangular frame beam composed of two adjacent side beams 121 and a first beam 122 and a second beam 123.

[0036] Exemplarily, the crossbeam group 12 is made of cold-bent hollow steel, for example, 200 mm long, 50 mm wide, and 10 mm thick, and the cross-sectional size of the cold-bent hollow steel is, for example, 80 mm×80 mm, and 5 mm thick. Of course, in other embodiments, the size of the crossbeam group 12 may also be other, specifically determined according to the size of the actual radar antenna to be tested. The antenna frame 1 has a simple structure and low cost. The structure of the antenna frame 1 is simpler than that of the frame structure of the actual radar antenna, but the bearing effect is similar, which is conducive to saving costs and assembly time, while ensuring the equivalence of the experimental phased array radar antenna simulation device with the actual radar antenna, thereby improving the reliability of the test results.

[0037] Furthermore, if Figures 2 to 4 As shown, the structures of the horizontal simulated antenna assembly 3, the vertical simulated antenna assembly 4 and the center simulated antenna assembly 5 are the same, and they respectively include a first simulated antenna cover and a first simulated substrate connected at intervals, and also include a plurality of simulated antenna elements 103 connected in the first simulated substrate, and the first simulated substrate is connected to the antenna frame 1. The edge simulated antenna assembly 2 includes a second simulated antenna cover and a second simulated substrate connected at intervals, and the second simulated substrate is connected to the antenna frame 1. The physical structure of each simulated antenna assembly is close to the real antenna assembly, further improving the structural equivalence.

[0038] Among them, the simulated antenna array 103 can directly adopt the existing real antenna array, or can adopt an equivalent structure. For example, the simulated antenna array 103 includes a metal frame 1031, a microcrystalline glass dielectric rod 1032 and a ferrite magnetic rod. The ferrite magnetic rod is placed in the metal frame 1031 and is glued to the metal frame 1031. The microcrystalline glass dielectric rod 1032 is coaxially placed at one end of the metal frame 1031 with the metal frame 1031 and is glued to the metal frame 1031. Exemplarily, the metal frame 1031 is an aluminum alloy shell, the ferrite magnetic rod is a cylinder with a size of φ10×100, and the microcrystalline glass dielectric rod 1032 is a cylinder with a size of φ16mm×25mm. Of course, in other embodiments, the material of the metal frame 1031 and the sizes of the ferrite magnetic rod and the microcrystalline glass dielectric rod 1032 can also be other, which are set according to actual needs.

[0039] In this embodiment, the second simulation substrate has the same structure as the first simulation substrate. The first simulation substrate and the second simulation substrate respectively include a first layer board 1011 and a second layer board 1012 of the simulation antenna which are spaced apart and connected on both sides of the beam group 12, and also respectively include a third layer board 1013 of the simulation antenna which is stacked with the second layer board 1012 of the simulation antenna. The third layer board 1013 of the simulation antenna is located on the side of the second layer board 1012 of the simulation antenna which is away from the first layer board 1011 of the simulation antenna. The simulation antenna element 103 is connected between the first layer board 1011 of the first simulation substrate and the second layer board 1012 of the first simulation substrate, and one end passes through the third layer board 1013 of the simulation antenna of the first simulation substrate. Specifically, a microcrystalline glass dielectric rod 1032 is connected to the second layer board 1012 of the simulation antenna of the first simulation substrate, and passes through the third layer board 1013 of the simulation antenna of the first simulation substrate. The end of the simulation antenna element 103 which is away from the microcrystalline glass dielectric rod 103 is connected to the first layer board 1011 of the simulation antenna of the first simulation substrate. Among them, support plates 11 are arranged at intervals on the side beam 121, the first beam 122 and the second beam 123. For example, the support plate 11 is a steel plate with a length of 200 mm, a width of 50 mm and a thickness of 10 mm, which is conducive to strengthening the structural strength and ensuring the spacing between the first layer plate 1011 of the simulated antenna and the second layer plate 1012 of the simulated antenna. The first layer plate 1011 of the simulated antenna and the second layer plate 1012 of the simulated antenna are preferably fixedly connected to the crossbeam group 12 by screws. The structure of the first simulated substrate and the second simulated substrate is simpler than that of the real simulated substrate, which saves assembly time and reduces manufacturing costs. At the same time, it ensures that the stress conditions during the test are close to those of the real radar antenna, thereby ensuring the reliability of the test results.

[0040] Specifically, in the first simulation substrate, a plurality of first connection holes are spaced apart on the first layer board 1011 of the simulation antenna, a plurality of second connection holes are relatively opened on the second layer board 1012 and the third layer board 1013 of the simulation antenna, one end of each simulation antenna array 103 is passed through a first connection hole, specifically, a microcrystalline glass dielectric rod 1032 at one end of the simulation antenna array 103 is passed through a first connection hole and glued to the hole wall of the first connection hole, and the other end of each simulation antenna array 103 passes through the second connection hole, specifically, a microcrystalline glass dielectric rod 1032 at the other end of the simulation antenna array 103 is passed through a second connection hole and glued to the hole wall of the second connection hole.

[0041] More specifically, if Figure 3 and Figure 5 As shown, in the first analog substrate and the second analog substrate, a plurality of connecting posts 104 are connected at intervals between the first layer 1011 of the analog antenna and the second layer 1012 of the analog antenna, and the connecting posts 104 are used to strengthen the connection stability of the first layer 1011 of the analog antenna and the second layer 1012 of the analog antenna. Exemplarily, the two ends of the connecting post 104 are respectively connected to the first layer 1011 of the analog antenna, the second layer 1012 of the analog antenna, and the third layer 1013 of the analog antenna through connecting screws 105; the connecting screw 105 passes through the first layer 1011 of the analog antenna and is threadedly connected to one end of the connecting post 104, and the connecting screw 105 passes through the third layer 1013 of the analog antenna and the second layer 1012 of the analog antenna and is threadedly connected to the other end of the connecting post 104. The connecting posts 104 and the connecting screws 105 are used to realize the stable connection of the first layer 1011 of the analog antenna, the second layer 1012 of the analog antenna, and the third layer 1013 of the analog antenna, which has a simple structure, is easy to assemble, and has a low cost.

[0042] In this embodiment, the simulated antenna first layer board 1011, the simulated antenna second layer board 1012 and the simulated antenna third layer board 1013 are all aluminum plates, with low manufacturing cost and structural strength close to that of a real antenna substrate. For example. The thickness of the simulated antenna first layer board 1011 is 8 mm, the thickness of the simulated antenna second layer board 1012 is 12 mm, and the thickness of the simulated antenna third layer board 1013 is 8 mm. Of course, in other embodiments, the thickness of the simulated antenna first layer board 1011, the thickness of the simulated antenna second layer board 1012 and the thickness of the simulated antenna third layer board 1013 may also be other, which is specifically determined according to the real antenna substrate.

[0043] Furthermore, if Figure 3 and Figure 5As shown, the first simulated radome and the second simulated radome have the same structure, and the first simulated radome and the second simulated radome include a simulated antenna fourth layer board 1021, a simulated antenna fifth layer board 1022 and a simulated antenna sixth layer board 1023 stacked in sequence, and the simulated antenna fourth layer board 1021 is spaced apart from the simulated antenna third layer board 1013. The structures of the first simulated radome and the second simulated radome are similar to the real simulated substrate, so that the stress conditions during the test are close to those of the real radar antenna, thereby ensuring the reliability of the test results.

[0044] Specifically, a plurality of connecting posts 104 are connected at intervals between the fourth layer 1021 of the analog antenna and the third layer 1013 of the analog antenna. That is, the first analog antenna cover and the first analog substrate, as well as the second analog antenna cover and the second analog substrate are also connected at intervals by connecting posts 104. Exemplarily, the two ends of the connecting post 104 are also connected to the second layer 1012, the third layer 1013, the fourth layer 1021, the fifth layer 1022 and the sixth layer 1023 of the analog antenna respectively by connecting screws 105. That is, the connecting screw 105 passes through the second layer 1012 and the third layer 1013 of the analog antenna and is threadedly connected to one end of the connecting post 104, and the connecting screw 105 passes through the sixth layer 1023 of the analog antenna and is threadedly connected to the other end of the connecting post 104 after being connected to the fifth layer 1022 and the fourth layer 1021 of the analog antenna. The above structure is simple, easy to assemble, and has low cost.

[0045] In this embodiment, the fourth layer board 1021 of the simulated antenna and the sixth layer board 1023 of the simulated antenna are both epoxy glass cloth boards, and the fifth layer board 1022 of the simulated antenna is a hard polyurethane foam board, which has a low manufacturing cost and a structural strength close to that of a real antenna cover. For example. The thickness of the fourth layer board 1021 of the simulated antenna is 1.5 mm, the thickness of the fifth layer board 1022 of the simulated antenna is 35 mm, and the thickness of the sixth layer board 1023 of the simulated antenna is 1.5 mm. Of course, in other embodiments, the thickness of the fourth layer board 1021 of the simulated antenna, the thickness of the fifth layer board 1022 of the simulated antenna, and the thickness of the sixth layer board 1023 of the simulated antenna can also be other, which is specifically determined according to the real antenna cover.

[0046] After the test phased array radar antenna simulation device is assembled, it is fixed vertically on the ground by means of scaffolding, diagonal bracing, etc., and the surface of the sixth layer plate 1023 of the simulated antenna is used as the contact surface of different types of loads, and a destructive test is carried out to test the destructive effects of different types of loads on it, thereby realizing the equivalent test of the real radar antenna. The test phased array radar antenna simulation device has low cost and simple assembly, which can effectively shorten the test cycle and improve cost-effectiveness.

[0047] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A phased array radar antenna simulation device for testing, characterized in that: It includes an antenna frame, four edge simulated antenna assemblies, two horizontal simulated antenna assemblies, two vertical simulated antenna assemblies and one center simulated antenna assembly; The antenna frame is provided with nine installation positions arranged in three rows and three columns, and the central simulated antenna combination, each of the edge simulated antenna combinations, each of the horizontal simulated antenna combinations, and each of the vertical simulated antenna combinations are respectively arranged at one of the installation positions; The two vertical simulated antenna assemblies and the central simulated antenna assembly are arranged side by side along the length direction of the antenna frame, and the two vertical simulated antenna assemblies are respectively located on both sides of the central simulated antenna assembly; The two horizontal analog antenna assemblies and the central analog antenna assembly are arranged side by side along the width direction of the antenna frame, and the two horizontal analog antenna assemblies are respectively located on both sides of the central analog antenna assembly.

2. The experimental phased array radar antenna simulation device according to claim 1, characterized in that: The antenna frame includes four rectangular side beams connected end to end and arranged in parallel along the width direction of the antenna frame, and two first beams arranged in parallel and spaced apart along the length direction of the antenna frame, wherein each of the first beams and one of the side beams is connected to two second beams arranged in parallel and spaced apart along the length direction of the antenna frame.

3. The experimental phased array radar antenna simulation device according to claim 1, characterized in that: The horizontal analog antenna combination, the vertical analog antenna combination and the central analog antenna combination have the same structure, and respectively include a first analog antenna cover and a first analog substrate connected at intervals, and also include a plurality of analog antenna elements connected in the first analog substrate, and the first analog substrate is connected to the antenna frame; the edge analog antenna combination includes a second analog antenna cover and a second analog substrate connected at intervals, and the second analog substrate is connected to the antenna frame.

4. The experimental phased array radar antenna simulation device according to claim 3, characterized in that: The second analog substrate has the same structure as the first analog substrate, and both include an analog antenna first layer board and an analog antenna second layer board connected at intervals on both sides of the antenna frame, and also include an analog antenna third layer board stacked with the analog antenna second layer board, and the analog antenna third layer board is located on the side of the analog antenna second layer board away from the analog antenna first layer board; the analog antenna array is connected between the analog antenna first layer board of the first analog substrate and the analog antenna second layer board of the first analog substrate, and one end passes through the analog antenna third layer board of the first analog substrate.

5. The experimental phased array radar antenna simulation device according to claim 4, characterized in that: In the first analog substrate, a plurality of first connection holes are spaced apart on the first layer of the analog antenna, and a plurality of second connection holes are relatively opened on the second layer and the third layer of the analog antenna. One end of each of the analog antenna arrays is passed through one of the first connection holes and glued to the hole wall of the first connection hole, and the other end of each of the analog antenna arrays is passed through the second connection hole and glued to the hole wall of the second connection hole.

6. The experimental phased array radar antenna simulation device according to claim 4, characterized in that: The first simulated antenna cover and the second simulated antenna cover have the same structure, and both include a simulated antenna fourth layer board, a simulated antenna fifth layer board and a simulated antenna sixth layer board stacked in sequence, and the simulated antenna fourth layer board is connected to the simulated antenna third layer board at an interval.

7. The experimental phased array radar antenna simulation device according to claim 6, characterized in that: A plurality of connection columns are respectively connected between the first layer board of the analog antenna and the second layer board of the analog antenna, and between the fourth layer board of the analog antenna and the third layer board of the analog antenna.

8. The experimental phased array radar antenna simulation device according to claim 7, characterized in that: The two ends of the connecting column are respectively connected to the first layer board of the analog antenna, the second layer board of the analog antenna and the third layer board of the analog antenna through connecting screws, and are connected to the second layer board of the analog antenna, the third layer board of the analog antenna, the fourth layer board of the analog antenna, the fifth layer board of the analog antenna and the sixth layer board of the analog antenna through connecting screws.

9. The experimental phased array radar antenna simulation device according to claim 6, characterized in that: The first layer board of the simulated antenna, the second layer board of the simulated antenna and the third layer board of the simulated antenna are all aluminum plates, the fourth layer board of the simulated antenna and the sixth layer board of the simulated antenna are both epoxy glass cloth plates, and the fifth layer board of the simulated antenna is a hard polyurethane foam plate.

10. The experimental phased array radar antenna simulation device according to claim 3, characterized in that: The simulated antenna array includes a metal frame, a microcrystalline glass dielectric rod and a ferrite magnetic rod. The ferrite magnetic rod is placed in the metal frame and is glued to the metal frame. The microcrystalline glass dielectric rod is placed at one end of the metal frame and is glued to the metal frame.

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