CN214095772U - Variable RCS corner reflector and unmanned helicopter target drone - Google Patents
Variable RCS corner reflector and unmanned helicopter target drone Download PDFInfo
- Publication number
- CN214095772U CN214095772U CN202023001192.8U CN202023001192U CN214095772U CN 214095772 U CN214095772 U CN 214095772U CN 202023001192 U CN202023001192 U CN 202023001192U CN 214095772 U CN214095772 U CN 214095772U
- Authority
- CN
- China
- Prior art keywords
- plate
- concentric
- eccentric
- baffle
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004020 conductor Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000004088 simulation Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Images
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model discloses a variable RCS corner reflector and unmanned helicopter target drone. The reflector includes: comprises a concentric baffle, an eccentric baffle and a fixed connecting piece; the concentric baffle is detachably connected with the fixed connecting piece; the movable part of the concentric baffle and the surface of the fixed connecting piece form a first angle area; the movable part of the concentric baffle adjusts an included angle formed between the movable part and the surface of the fixed connecting piece, and the size of the first angle area is changed; the fixed part of the concentric baffle plate is detachably connected with the fixed part of the eccentric baffle plate; the movable part of the eccentric baffle and the surface of the fixed connecting piece form a second corner area; the movable part of the eccentric baffle adjusts an included angle formed between the movable part and the surface of the fixed connecting piece, and the size of the second angle area is changed. The utility model discloses a change concentric baffle and fixed connector's angle, perhaps change eccentric baffle and fixed connector's angle, it is variable to realize RCS.
Description
Technical Field
The utility model relates to a rotor class aircraft technical field especially relates to a variable RCS corner reflector and unmanned helicopter target drone.
Background
In modern battlefields, stealth aircrafts play an increasingly important role, and the operational capacity and the survival capacity of helicopters are greatly related to Radar Cross Sections (RCS) of helicopters. The RCS is a physical quantity for representing the intensity of an echo generated by a target under the irradiation of radar waves, and the larger the RCS is, the more easily the target is found by an enemy radar, and the weaker the survival ability is.
In actual combat drilling, the RCS simulation of the helicopter target aircraft meets the RCS requirement of the actual combat helicopter, so that the simulation technology of the RCS of the helicopter target aircraft has great significance for modern war. In general, in practice, if a helicopter of a certain model is taken as an attack target, RCS of each direction of the attack target needs to be simulated as much as possible, but it is difficult to manufacture a full-size helicopter target by considering various limitations such as economic factors and process technologies, and therefore, the full-size helicopter target is often simulated by a scaled helicopter target instead of the full-size helicopter target in practice. However, the RCS of the scaling helicopter target is far different from that of the full-size target, and does not meet the RCS requirement of the actual combat helicopter.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a variable RCS corner reflector and unmanned helicopter target, through carry the corner reflector on scaling helicopter target, thereby increase the RCS of scaling helicopter target and reach or be close the RCS of full-scale target to thereby change the size of target RCS through changing corner reflector baffle contained angle, so that simulate out different RCS's helicopter target.
In order to achieve the above object, the utility model provides a following scheme:
a corner reflector, comprising:
the concentric baffle, the eccentric baffle and the fixed connecting piece;
the concentric baffle is detachably connected with the fixed connecting piece; the movable part of the concentric baffle and the surface of the fixed connecting piece form a first angle area; the movable part of the concentric baffle plate adjusts an included angle formed between the movable part of the concentric baffle plate and the surface of the fixed connecting piece, and the size of the first angle area is changed;
the fixed part of the concentric baffle plate is detachably connected with the fixed part of the eccentric baffle plate; the movable part of the eccentric baffle and the surface of the fixed connecting piece form a second angle area; the movable part of the eccentric baffle plate adjusts an included angle formed between the movable part and the surface of the fixed connecting piece, and the size of the second angle area is changed.
Optionally, the concentric baffle specifically includes:
a first concentric plate, a second concentric plate, and a first rotating shaft;
the first concentric plate is connected with the second concentric plate through the first rotating shaft, and the first rotating shaft rotates to change the size of an included angle formed by the first concentric plate and the second concentric plate; the first rotating shaft is detachably arranged on the fixed connecting piece; the first concentric plate, the second concentric plate, and the fixed connector form a first corner region.
Optionally, the eccentric baffle specifically includes:
the first eccentric plate, the second eccentric plate and the second rotating shaft;
the first eccentric plate is connected with the second eccentric plate through the second rotating shaft, and the second rotating shaft is detachably arranged in the groove of the first rotating shaft; the second rotating shaft rotates to change the size of an included angle formed by the first eccentric plate and the second eccentric plate; the first eccentric plate, the second eccentric plate and the fixed connecting piece form a second angle area.
Alternatively to this, the first and second parts may,
a fixing nut is arranged on one side of the first rotating shaft, and the first rotating shaft is fixedly connected with the second rotating shaft through the fixing nut;
the other side of the first rotating shaft is provided with a boss, a threaded hole is formed in the boss, and the first rotating shaft is fixedly connected with the fixed connecting piece through a screw through the boss.
Alternatively to this, the first and second parts may,
the first concentric plate, the second concentric plate, the first eccentric plate and the second eccentric plate are all triangular plates.
Optionally, the fixed connecting piece is a circular plate.
Alternatively to this, the first and second parts may,
the first concentric plate, the second concentric plate, the first eccentric plate, the second eccentric plate and the fixed connecting piece are all made of metal conductive materials.
The utility model also provides an unmanned helicopter target drone, include:
the unmanned helicopter target drone and the target drone corner reflector combination device; the target drone corner reflector combination device is riveted on two sides of the unmanned helicopter target drone body;
the corner reflector assembly of the target drone comprises two corner reflectors as described above, and the fixed connecting pieces of the two corner reflectors are in contact connection.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a variable RCS corner reflector, which comprises a concentric baffle, an eccentric baffle and a fixed connecting piece; the concentric baffle is detachably connected with the fixed connecting piece; the movable part of the concentric baffle and the surface of the fixed connecting piece form a first angle area; the movable part of the concentric baffle adjusts an included angle formed between the movable part and the surface of the fixed connecting piece, and the size of the first angle area is changed; the fixed part of the concentric baffle plate is detachably connected with the fixed part of the eccentric baffle plate; the movable part of the eccentric baffle and the surface of the fixed connecting piece form a second corner area; the movable part of the eccentric baffle adjusts an included angle formed between the movable part and the surface of the fixed connecting piece, and the size of the second angle area is changed. The utility model discloses a change concentric baffle and fixed connector's angle, perhaps change eccentric baffle and fixed connector's angle, it is variable to realize RCS.
In addition, two concentric plates and two eccentric plates are set to be triangular plates, the fixed connecting piece is set to be a circular plate, the triangular baffle can be prevented from being exposed in the rotating process, and the corner reflector is guaranteed to have enough effective reflection area.
The utility model also provides an unmanned helicopter target drone, through carry the corner reflector on scaling helicopter target drone, thereby increase the RCS of scaling helicopter target drone and reach or be close the RCS of full-scale target drone to thereby change the size of target drone RCS through changing corner reflector baffle contained angle, so that simulate out different RCS's helicopter target drone target.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of a corner reflector in an embodiment of the present invention;
fig. 2 is a top view and a 45 ° side view of a corner reflector according to an embodiment of the present invention;
FIG. 3 is a diagram of a concentric baffle structure according to an embodiment of the present invention;
FIG. 4 is a front view and a top view of a concentric baffle plate according to an embodiment of the present invention;
FIG. 5 is a structural diagram of an eccentric triangular baffle in the embodiment of the present invention;
fig. 6 is a front view and a top view of an eccentric triangular baffle plate in the embodiment of the present invention;
FIG. 7 is a schematic view of an exemplary embodiment of a corner reflector assembly of a drone aircraft;
fig. 8 is a schematic view of an unmanned helicopter drone with no corner reflector mounted thereon according to an embodiment of the present invention;
fig. 9 is a schematic view of an unmanned helicopter drone with a corner reflector mounted thereon according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a circumferential single station RCS for three cases of 0 ° attitude angles in an embodiment of the present invention;
fig. 11 is a schematic diagram comparing the circumferential single-station RCS in three cases of 0 ° attitude angle in the embodiment of the present invention;
fig. 12 is a schematic diagram of RCS comparison of reflectors with different included angles mounted on a half-size target drone with an attitude angle of 0 ° in the embodiment of the present invention;
fig. 13 is a RCS comparison schematic diagram of three situations of +10 ° pitch angle and-5 ° roll angle target drone in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a variable RCS corner reflector and unmanned helicopter target, through carry the corner reflector on scaling helicopter target, thereby increase the RCS of scaling helicopter target and reach or be close the RCS of full-scale target to thereby change the size of target RCS through changing corner reflector baffle contained angle, so that simulate out different RCS's helicopter target.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Examples
As shown in fig. 1 to 6, wherein fig. 2(a) is a top view of the corner reflector, fig. 2(b) is a 45 ° side view, fig. 4(a) is a front view of the concentric baffle, fig. 4(b) is a top view of the concentric baffle, fig. 6(a) is a front view of the eccentric baffle, and fig. 6(b) is a top view of the eccentric baffle. The utility model provides a pair of variable RCS corner reflector, include: concentric baffle 4, eccentric baffle 5 and fixed connector 3.
The concentric baffle 4 is detachably connected with the fixed connecting piece 3; the movable part of the concentric baffle 4 and the surface of the fixed connecting piece 3 form a first angle area; the movable part of the concentric baffle 4 adjusts an included angle formed between the movable part and the surface of the fixed connecting piece 3, and the size of the first angle area is changed; the fixed part of the concentric baffle plate 4 is detachably connected with the fixed part of the eccentric baffle plate 5; a second angle area is formed between the movable part of the eccentric baffle 5 and the surface of the fixed connecting piece 3; the movable part of the eccentric baffle 5 adjusts the included angle formed with the surface of the fixed connecting piece 3, and the size of the second angle area is changed.
The concentric baffle 4 specifically comprises: a first concentric plate, a second concentric plate, and a first rotating shaft. The first concentric plate is connected with the second concentric plate through a first rotating shaft, and the size of an included angle formed by the first concentric plate and the second concentric plate is changed by rotating the first rotating shaft; the first rotating shaft is detachably arranged on the fixed connecting piece 3; the first concentric plate, the second concentric plate and the fixed connector 3 form a first corner region.
The eccentric baffle 5 specifically comprises: the first eccentric plate, the second eccentric plate and the second rotating shaft. The first eccentric plate is connected with the second eccentric plate through a second rotating shaft, and the second rotating shaft is detachably arranged in the groove of the first rotating shaft; the second rotating shaft rotates to change the size of an included angle formed by the first eccentric plate and the second eccentric plate; the first eccentric plate, the second eccentric plate and the fixed connection piece 3 form a second corner region.
The first concentric plate, the second concentric plate, the first eccentric plate and the second eccentric plate are all triangular plates; the fixed connecting piece 3 is a circular plate; the first concentric plate, the second concentric plate, the first eccentric plate, the second eccentric plate and the fixed connecting piece 3 are all made of metal conductive materials.
A fixing nut 6 is arranged on one side of the first rotating shaft, and the first rotating shaft is fixedly connected with the second rotating shaft through the fixing nut 6; the other side of first axis of rotation is provided with boss 7, is equipped with the screw hole in the boss 7, and first axis of rotation passes through boss 7 and fixed connection spare 3 through screw fixed connection. The concentric baffle 4 is fixedly connected with the fixed connecting piece 3 by screws, and the position relation of the eccentric baffle is also determined at the moment. The screws fixedly connected with the nuts 6 and the bosses 7 are loosened, the concentric baffle plate and the eccentric baffle plate can change the angle within any range by taking the rotating shaft as a reference, and the screws and the nuts are screwed down to fix all the parts when the required angle is adjusted. Two set squares of the eccentric baffle are designed to be in eccentric geometric relationship with respect to the second axis of rotation (as shown in fig. 6 (b)) to ensure that the concentric plate and the eccentric plate can be kept in close contact when the included angle is 0 °.
As shown in fig. 7-9, fig. 9(a) is a schematic view of a single-sided corner reflector drone, and fig. 9(b) is a schematic view of a double-sided corner reflector drone. The utility model provides an unmanned helicopter target drone, unmanned helicopter target drone includes: the unmanned helicopter target drone 1 and the target drone corner reflector combination device; the combined device of the target drone aircraft corner reflector is riveted on two sides of the fuselage of the unmanned helicopter target drone 1; the corner reflector assembly of the target drone comprises two corner reflectors 2, the fixed connecting pieces 3 of the two corner reflectors are in contact connection.
The utility model discloses do not rivet a set of corner reflector of carry in helicopter target drone prototype fuselage both sides weapon stores pylon punishment, a set of corner reflector comprises two monomer corner reflector structures, and the center pin change can be followed to the contained angle between two triangle baffles on the monomer corner reflector to change the RCS of whole helicopter target drone. Through in the former standard machine model fuselage both sides of having helicopter target aircraft, former weapon stores pylon department carry the corner reflector structure, and two baffles of this corner reflector structure unilateral can use its center pin to alternate the contained angle as the benchmark (the utility model discloses the contained angle of definition is the contained angle towards aircraft nose positive direction axis that comprises two triangle baffles, like figure 9), and different contained angles can let helicopter target aircraft obtain different radar scattering characteristic in certain extent, can simulate out different RCS's helicopter target.
The utility model sets the attitude angle of the target drone model to 0 degree attitude angle, namely the pitch angle and the roll angle are both 0 degree, RCS simulation calculation is respectively carried out on three situations of a full-size target drone model without a mounted corner reflector, a half-size target drone model (according to a 1:2 shrinkage ratio) and the half-size target drone model with a mounted corner reflector (two triangular baffles form a 90 degree included angle), based on a ray tracing geometrical optics (RL-GO) method, plane electromagnetic wave irradiation is used, according to the statistical probability of the commonly used detection radar wave band of a table 1, the incident frequency of radar waves is 10GHz (X wave band), vertical polarization is selected, a circumferential single station RCS schematic diagram of the full-size drone model with the attitude angle of 0 degree is obtained, the calculation results are shown in figures 10(a), (b) and (c), and figure 10(a) is a circumferential single station RCS schematic diagram of the full-size drone model with the attitude angle of 0 degree, fig. 10(b) is a circumferential single station RCS schematic for the 0 ° attitude angle half size hull case, and fig. 10(c) is a circumferential single station RCS schematic for the 0 ° attitude angle half size plus 90 ° reflector hull case. The calculation shows that when the corner reflector is not mounted, the average circumferential single-station RCS of the full-size drone aircraft model is about 22.8dBsm, and the average circumferential single-station RCS of the half-size drone aircraft model is about 14.8 dBsm; the average circumferential single station RCS of the half-size target drone model after the corner reflector is mounted reaches 19.2dBsm, is increased by 4.4dBsm compared with the model without the corner reflector, and the difference between the average circumferential single station RCS of the half-size target drone and the average circumferential single station RCS of the full-size target drone is reduced to 3.6dBsm from 8 dBsm.
TABLE 1 statistical probability of the band of a commonly used sounding radar
Comparing all the RCS results of 0 ° to 360 ° in the three calculation cases of the attitude angle of 0 °, as shown in fig. 11, it can be seen that the RCS values and the variation trends of the full-size drone aircraft and the half-size drone aircraft with the corner reflector are very close to each other in the angular ranges of 1 ° to 60 °, 83 ° to 89 °, 271 ° to 277 °, and 300 ° to 359 °. The RCS of the full-size target drone and the half-size target drone loaded by 90 degrees is segmented and sorted, as shown in the table 2, the difference between the average circumferential single station RCS of the half-size target drone and the full-size target drone is smaller than the average difference of 3.6dBsm within the ranges of 0-60 degrees, 141-260 degrees, 301-360 degrees and the like, the difference can reach 1.26dBsm at the lowest, particularly within the head-direction angular region (0-20 degrees and 341-360 degrees) and the tail-direction angular region (160-200 degrees) of the target drone, the average difference is only 1.47dBsm and 1.26dBsm respectively, and the practical RCS of the full-size helicopter can be simulated in the head-direction and the tail-direction more closely by mounting an angle reflector on the half-size target drone.
Circumferential single-station RCS result analysis of 20-degree attitude angle full-size and half-size loading target drone with 90-degree addition
The included angle between the triangular baffles of the corner reflector is changed to be 60 degrees and 120 degrees, and RCS simulation calculation is carried out on the half-size target drone model of the mounted corner reflector under the attitude angle of 0 degree, as shown in figure 12. The average circumferential single station RCS of the target drone under the working condition of the corner reflector of 60 degrees is about 18dBsm, and the average circumferential single station RCS of the target drone under the working condition of 120 degrees is about 14.8 dBsm. The effect of changing the overall RCS of the helicopter target drone can be achieved by changing the included angle of the corner reflector baffle plate so as to simulate helicopter targets with different RCSs.
In order to meet the actual requirement of the helicopter attitude angle change on a battlefield, a + 10-degree pitch angle and a-5-degree roll angle are set for a helicopter target model, RCS simulation is respectively carried out on three situations of a full-size target model without a corner reflector mounted thereon, a half-size target model with a corner reflector mounted thereon and a half-size target model with a 90-degree corner reflector mounted thereon under the attitude angle, and the result is shown in figure 13. The average circumferential single station RCS of the three situations are respectively 18.9dBsm, 11.1dBsm and 17.5dBsm, namely the average RCS of the full-size target drone is 7.8dBsm larger than that of the half-size target drone, and after the half-size target drone is loaded with a 90-degree angle reflector, the difference of the average RCS is reduced to 1.4 dBsm. Under the working conditions of a pitch angle of +10 degrees and a roll angle of-5 degrees, the corner reflector has remarkable effect.
The simulation only uses X-band radar waves of 10GHz for irradiation, and mainly considers airborne fire control radar. In order to prove the utility model discloses well corner reflector' S extensive applicability, the radar scattering characteristic of target drone under emulation S wave band, the C wave band of subdividing respectively. Irradiating a 0-degree attitude angle target drone by using 3GHz (S wave band) radar waves, wherein the average circumferential single station RCS of a full-size target drone is 19.7dBsm, a half-size target drone is 12.1dBsm, and a half-size 90-degree angle reflector is 14.5 dBsm; when the attitude angle of the target drone is +10 degrees of pitch angle and-5 degrees of roll angle, the attitude angle, the pitch angle and the roll angle are respectively 18.1dBsm, 11.1dBsm and 13.4 dBsm. After the lower half-size target drone mounting corner reflector is irradiated by 3GHz radar waves, the RCS is increased by 2.3dBsm on average. Irradiating a 0-degree attitude angle target drone by using 6GHz (C wave band) radar waves, wherein the average circumferential single station RCS of a full-size target drone is 21.3dBsm, a half-size target drone is 13.2dBsm, and a half-size 90-degree angle reflector is 16.9 dBsm; when the attitude angle of the target drone is +10 degrees of pitch angle and-5 degrees of roll angle, the attitude angle, the pitch angle and the roll angle are respectively 18.5dBsm, 11.2dBsm and 15.6 dBsm. After the lower half-size target drone mounting corner reflector is irradiated by 6GHz radar waves, the RCS is increased by 3.6dBsm on average.
Therefore, by loading the variable-included-angle corner reflector 2 structure on the scaling helicopter target drone prototype machine 1, the RCS of the scaling target drone can be effectively increased in a wider frequency band, so that the scaling target drone can reach or approach the RCS of a full-size target drone (at certain azimuth angles), the RCS of the scaling target drone can be randomly changed within a certain range, and helicopter target drone targets with different RCSs can be simulated.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.
Claims (8)
1. A variable RCS corner reflector, comprising:
the concentric baffle, the eccentric baffle and the fixed connecting piece;
the concentric baffle is detachably connected with the fixed connecting piece; the movable part of the concentric baffle and the surface of the fixed connecting piece form a first angle area; the movable part of the concentric baffle plate adjusts an included angle formed between the movable part of the concentric baffle plate and the surface of the fixed connecting piece, and the size of the first angle area is changed;
the fixed part of the concentric baffle plate is detachably connected with the fixed part of the eccentric baffle plate; the movable part of the eccentric baffle and the surface of the fixed connecting piece form a second angle area; the movable part of the eccentric baffle plate adjusts an included angle formed between the movable part and the surface of the fixed connecting piece, and the size of the second angle area is changed.
2. The variable RCS corner reflector of claim 1, wherein the concentric baffle, in particular comprises:
a first concentric plate, a second concentric plate, and a first rotating shaft;
the first concentric plate is connected with the second concentric plate through the first rotating shaft, and the first rotating shaft rotates to change the size of an included angle formed by the first concentric plate and the second concentric plate; the first rotating shaft is detachably arranged on the fixed connecting piece; the first concentric plate, the second concentric plate, and the fixed connector form a first corner region.
3. The variable RCS corner reflector of claim 2, wherein the eccentric baffle, in particular, comprises:
the first eccentric plate, the second eccentric plate and the second rotating shaft;
the first eccentric plate is connected with the second eccentric plate through the second rotating shaft, and the second rotating shaft is detachably arranged in the groove of the first rotating shaft; the second rotating shaft rotates to change the size of an included angle formed by the first eccentric plate and the second eccentric plate; the first eccentric plate, the second eccentric plate and the fixed connecting piece form a second angle area.
4. The variable RCS corner reflector of claim 3,
a fixing nut is arranged on one side of the first rotating shaft, and the first rotating shaft is fixedly connected with the second rotating shaft through the fixing nut;
the other side of the first rotating shaft is provided with a boss, a threaded hole is formed in the boss, and the first rotating shaft is fixedly connected with the fixed connecting piece through a screw through the boss.
5. The variable RCS corner reflector of claim 4,
the first concentric plate, the second concentric plate, the first eccentric plate and the second eccentric plate are all triangular plates.
6. The variable RCS corner reflector of claim 5, wherein the fixed attachment is a circular plate.
7. The variable RCS corner reflector of claim 6,
the first concentric plate, the second concentric plate, the first eccentric plate, the second eccentric plate and the fixed connecting piece are all made of metal conductive materials.
8. An unmanned helicopter drone, comprising:
the unmanned helicopter target drone and the target drone corner reflector combination device; the target drone corner reflector combination device is riveted on two sides of the unmanned helicopter target drone body;
the drone corner reflector assembly comprising two variable RCS corner reflectors according to any one of claims 1 to 7, the fixed connectors of the two corner reflectors being in contact connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023001192.8U CN214095772U (en) | 2020-12-14 | 2020-12-14 | Variable RCS corner reflector and unmanned helicopter target drone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023001192.8U CN214095772U (en) | 2020-12-14 | 2020-12-14 | Variable RCS corner reflector and unmanned helicopter target drone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214095772U true CN214095772U (en) | 2021-08-31 |
Family
ID=77427542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023001192.8U Active CN214095772U (en) | 2020-12-14 | 2020-12-14 | Variable RCS corner reflector and unmanned helicopter target drone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214095772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461055A (en) * | 2020-12-14 | 2021-03-09 | 南京航空航天大学 | Variable RCS corner reflector and unmanned helicopter target drone |
-
2020
- 2020-12-14 CN CN202023001192.8U patent/CN214095772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461055A (en) * | 2020-12-14 | 2021-03-09 | 南京航空航天大学 | Variable RCS corner reflector and unmanned helicopter target drone |
| CN112461055B (en) * | 2020-12-14 | 2024-09-20 | 南京航空航天大学 | Variable RCS corner reflector and unmanned helicopter target drone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105655723B (en) | A kind of RCS reduction methods for phased array antenna | |
| CN112461055A (en) | Variable RCS corner reflector and unmanned helicopter target drone | |
| CN214095772U (en) | Variable RCS corner reflector and unmanned helicopter target drone | |
| US3039093A (en) | Reflective radar target | |
| CN204037916U (en) | A kind of low radar scattering cross section photoelectric nacelle | |
| Hao et al. | Research on the shape stealth design of infantry Fighting vehicle | |
| Chung et al. | Efficacy of an S-shaped air inlet on the reduction of front bistatic radar cross section of a fighter engine | |
| CN104901018A (en) | Panel with anti-radar detection function | |
| Pienaar et al. | RCS validation of asymptotic techniques using measured data of an electrically large complex model airframe | |
| CN112596195A (en) | Double-freedom-degree rotation angle reflector for helicopter target drone | |
| CN111915959A (en) | Method and device for simulating RCS (Radar Cross section) of airplane by using RCS of target drone | |
| Pienaar et al. | RCS results for an electrically large realistic model airframe | |
| Peixoto et al. | Radar absorbing material (RAM) and shaping on radar cross section reduction of dihedral corners | |
| Sui et al. | Simulation Analysis of Abnormal Shape Trihedral Corner Reflector Scattering Characteristics | |
| Zan et al. | Scattering characteristics of the multi-corner reflector based on SBR method | |
| CN206673102U (en) | Conformal helical antenna | |
| Hamd et al. | Evaluation of bistatic and monostatic RCS for simple and complex targets in X-Band | |
| CN113281708A (en) | Modeling method for scattering center model of foil strip | |
| CN215590975U (en) | Photoelectric detection search equipment director with low RCS value | |
| Maksimovitch et al. | Assessment of Reflective Properties of the Object by Electromagnetic Simulation | |
| Vaitheeswaran et al. | RCS of the tail swept flying wing and comparison with milestone aircrafts | |
| Sukharevsky et al. | The Use of Corner Reflectors to Simulate Tactical Aircraft | |
| Aronstein | The development and application of aircraft radar cross section prediction methodology | |
| CN112883495B (en) | Directional broadband high-stealth satellite and top end shape design method thereof | |
| Nicholas et al. | Low observable technology for future surface combatants |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |