CN205691764U - A kind of adjustable corner reflector of RCS main lobe direction - Google Patents
A kind of adjustable corner reflector of RCS main lobe direction Download PDFInfo
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- CN205691764U CN205691764U CN201620514326.0U CN201620514326U CN205691764U CN 205691764 U CN205691764 U CN 205691764U CN 201620514326 U CN201620514326 U CN 201620514326U CN 205691764 U CN205691764 U CN 205691764U
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- main lobe
- lobe direction
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- corner reflector
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Abstract
The utility model discloses a kind of adjustable corner reflector of RCS main lobe direction, relate to Radar Technology field.Described corner reflector includes corner reflector main body, RCS main lobe direction adjustable plate, and corner reflector main body is right angled triangle trihedral corner reflector commonly used in the prior art.For the nonadjustable problem of corner reflector RCS main lobe direction in prior art, this utility model is by installing different size of RCS main lobe direction adjustable plate additional on conventional angular reflector structure, it is achieved that the adjustment of main lobe direction.
Description
Technical field
This utility model relates to Radar Technology field, particularly to a kind of adjustable corner reflector of RCS main lobe direction.
Background technology
Corner reflector is a kind of passive reflector, has extremely strong echo reflection characteristic.The most frequently used corner reflector is three
Pyramid corner reflector.
Traditional corner reflector has the strongest rear to RCS (Radar Cross due to it in wider angular range
Section RCS) and it is used as RCS booster, calibration body or target body, it is widely used in maritime search and rescue, indoor
Fields such as the test of outer target property, target target, but there is also shortcoming, such as the directivity requirement to the incidence wave of radar emission
The strictest.In order to obtain the maximum RCS of corner reflector in the range of special angle, application process not only needs regulate angle anti-
The azimuth of emitter, in addition it is also necessary to regulate its elevation angle, this just brings extreme difficulties for accurately installing of corner reflector.Therefore, urgently
Need a kind of corner reflector that can conveniently adjust RCS main lobe direction, to strengthen its application and the motility installed.
Utility model content
This utility model provides a kind of adjustable corner reflector of RCS main lobe direction, by conventional angular reflector structure
On install additional RCS main lobe direction adjustable plate to adjust corner reflector RCS main lobe scattering direction, it is achieved to corner reflector scatter directional diagram
Control.The RCS main lobe direction of the corner reflector after improvement is partial to the compoboard after that block assembly.
For achieving the above object, the technical solution adopted in the utility model:
A kind of adjustable corner reflector of RCS main lobe direction, including corner reflector main body, it is characterised in that also include RCS master
Lobe direction adjustable plate；
Described corner reflector main body is made up of 3 pieces of right angled triangle metallic plates being arranged in a mutually vertical manner, and one piece is base plate, separately
Two pieces is cant board, and the right-angle side of described metallic plate is fixing two-by-two forms three cones, the length on the limit that three blocks of plates are connected
Equal；
Described RCS main lobe direction adjustable plate removably with one of metallic plate coplanar connection.
Preferably, the metallic plate constituting described corner reflector main body is shaped as isosceles right triangle.
Preferably, described RCS main lobe direction adjustable plate be shaped as isosceles trapezoid.
Preferably, described RCS main lobe direction adjustable plate removably with base plate coplanar connection, wherein, described RCS main lobe side
The base that length is shorter in adjustable plate is connected with the long limit of described base plate.
Preferably, described RCS main lobe direction adjustable plate is isometric with the limit that described base plate is connected.
Preferably, described RCS main lobe direction adjustable plate uses seamless installation with described base plate.
Preferably, the installation accuracy error of described RCS main lobe direction adjustable plate be maintained at ± 1 ° in the range of.
Preferably, the waist length of described RCS main lobe direction adjustable plate determines according to equation below:
In formula, a is that trapezoidal waist is long, and unit is: m, θ are main lobe deviation angle, and unit is: °, b is corner reflector main body
The right angle length of side, unit is: m.
The most visible, by improving on conventional angular reflector structure, i.e. splice trapezoidal on corner reflector bottom surface
Metallic plate, for changing the main lobe scattering direction of corner reflector, it is achieved the control to corner reflector scattering directional diagram, enhances angle
The application flexibility of reflector, it is to avoid regulate the step at the elevation angle in installation process, greatly simplifie installation process, has weight
The engineer applied wanted is worth.
Accompanying drawing explanation
Fig. 1 is conventional angular reflector structure schematic diagram.
Fig. 2 is the structural representation of this utility model main lobe direction adjustable angle reflector.
Fig. 3 is the isosceles trapezoid writing board shape schematic diagram for changing corner reflection main lobe direction.
Fig. 4 is the corner reflector RCS main lobe direction scattergram of different waist long metal sheet.
Fig. 5 is main lobe direction deviation angle and the dependence increased between board size scale factor.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, develop simultaneously enforcement referring to the drawings
Example, further describes this utility model.It should be noted that the many details listed in description are only used to make
Reader has a thorough explanation to one or more aspects of the present utility model, can also even without these specific details
Realize these aspects of the present utility model.
Traditional corner reflector the strongest owing to it has in wider angular range rear be used as RCS to RCS and increase
Strong device, calibration body or target body, be widely used in the fields such as maritime search and rescue, the test of indoor and outdoor target property, target target, but
In its application process, the directivity of the incidence wave of radar emission is required more strict, installation process not only needs regulate angle
The azimuth of reflector, it is also possible to need to regulate its elevation angle, this just brings extreme difficulties for accurately installing of corner reflector.This
Utility model, by improving in traditional corner reflector structure, i.e. installs one piece of trapezoidal metallic plate additional, and the angle after assembly is anti-
The main lobe direction of emitter is partial to the triangular plate after that block assembly, it is achieved that main lobe direction adjustable.
In this utility model preferred embodiment, corner reflector main body 1 is by 3 blocks of right angled triangle metals being arranged in a mutually vertical manner
Plate is constituted, respectively base plate 13, left side vertical plate 11 and right side riser 12, and the right-angle side of metallic plate is fixing two-by-two forms three face cone shapes
Body, the length on the limit that three blocks of plates are connected is equal, as shown in Figure 1.
RCS main lobe direction adjustable plate 2 removably with one of metallic plate coplanar connection.
In this utility model preferred embodiment, constitute corner reflector main body 1 metallic plate be shaped as isosceles right angle trigonometry
Shape.
In this utility model preferred embodiment, RCS main lobe direction adjustable plate 2 be shaped as isosceles trapezoid, as shown in Figure 3.
In this utility model preferred embodiment, RCS main lobe direction adjustable plate removably with base plate coplanar connection, wherein,
The base that in RCS main lobe direction adjustable plate, length is shorter is connected with the long limit of described base plate.
In this utility model preferred embodiment, note a/b is the ratio factor, and wherein, a is that isosceles trapezoid waist is long, and b is corner reflection
The device right angle length of side.The RCS of the corner reflector of gained when being calculated the trapezoidal metallic plate of differently configured waist length by Electromagnetic Modeling, wherein
Scale factor takes 0.1,0.2,0.3 successively ... 1.0 totally 10 wait difference, and it is as shown in table 1 to record data.
Table 1 main lobe direction deviation angle and the data statistic of the ratio factor
| Deviation angle (°) | The ratio factor |
| 0 | 0 |
| 1 | 0.1 |
| 2 | 0.2 |
| 3 | 0.3 |
| 4 | 0.4 |
| 5 | 0.5 |
| 6 | 0.6 |
| 7 | 0.7 |
| 8 | 0.8 |
| 9 | 0.9 |
| 10 | 1.0 |
Simulation result after Electromagnetic Modeling as shown in Figure 4, corner reflection when respectively scale factor takes 0.1,0.4,0.7,1.0
The RCS of device, abscissa is azimuth, and unit is: °, vertical coordinate is radar wave angle of incidence, simulation result can obtain, in radar side
In the case of parallactic angle and invariable incident angle, with the increase of the trapezoidal plate waist length of corner reflector configuration, main lobe direction deflection angle increases
Greatly, and offset direction compoboard after that block assembly is close.
By Matlab software statistical data be fitted and draw, as it is shown in figure 5, abscissa by taken ratio because of
Son, vertical coordinate is main lobe deviation angle.It is seen that main lobe direction deviation angle is linear with scale factor.
In this utility model preferred embodiment, RCS main lobe direction adjustable plate 2 is isometric with the limit that base plate 11 is connected.
In this utility model preferred embodiment, RCS main lobe direction adjustable plate 2 and base plate 11 use seamless installation.
In this utility model preferred embodiment, the installation accuracy error of RCS main lobe direction adjustable plate 2 is maintained at ± 1 ° of scope
In.
In this utility model preferred embodiment, the waist length of RCS main lobe direction adjustable plate 2 determines according to equation below:
In formula, a is that trapezoidal waist is long, and unit is: m, θ are main lobe deviation angle, and unit is: °, b is corner reflector main body
The right angle length of side, unit is: m.
After the waist length of RCS main lobe direction adjustable plate 2 determines, the RCS main lobe direction adjustable plate 2 customized is entered with base plate 11
The dismantled and assembled connection of row, the structural representation of the corner reflector after installation is as shown in Figure 2.
In the present embodiment, by improving on the basis of conventional angular reflector structure, i.e. in corner reflector bottom surface
On removably splice trapezoidal metallic plate, the change in corner reflector main lobe scattering direction can be realized, and then achieve corner reflection
The control of device scattering directional diagram, enhances the application flexibility of corner reflector, it is to avoid regulate the step at the elevation angle in installation process,
Greatly simplifiing installation process, the simulation for target simultaneously adds technological means, has important engineer applied and is worth.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Any modification, equivalent substitution and improvement etc. done within novel spirit and principle, should be included in this utility model protection
Within the scope of.
Claims (8)
1. the adjustable corner reflector of RCS main lobe direction, including corner reflector main body, it is characterised in that also include RCS main lobe
Direction adjustable plate；
Described corner reflector main body is made up of 3 pieces of right angled triangle metallic plates being arranged in a mutually vertical manner, and one piece is base plate, another two pieces
For cant board, the right-angle side of described metallic plate is fixing two-by-two forms three cones, and the length on the limit that three blocks of plates are connected is equal；
Described RCS main lobe direction adjustable plate removably with one of metallic plate coplanar connection.
The adjustable corner reflector of RCS main lobe direction the most according to claim 1, it is characterised in that constitute described corner reflection
The metallic plate of device main body be shaped as isosceles right triangle.
The adjustable corner reflector of RCS main lobe direction the most according to claim 2, it is characterised in that described RCS main lobe direction
Adjustable plate is shaped as isosceles trapezoid.
The adjustable corner reflector of RCS main lobe direction the most according to claim 3, it is characterised in that described RCS main lobe direction
Adjustable plate removably with base plate coplanar connection, wherein, the base that in described RCS main lobe direction adjustable plate, length is shorter is with described
The long limit of base plate is connected.
The adjustable corner reflector of RCS main lobe direction the most according to claim 4, it is characterised in that described RCS main lobe direction
The limit that adjustable plate is connected with described base plate is isometric.
The adjustable corner reflector of RCS main lobe direction the most according to claim 5, it is characterised in that described RCS main lobe direction
Adjustable plate uses seamless installation with described base plate.
The adjustable corner reflector of RCS main lobe direction the most according to claim 6, it is characterised in that described RCS main lobe direction
The installation accuracy error of adjustable plate is maintained at ± 1 ° in the range of.
The adjustable corner reflector of RCS main lobe direction the most according to claim 7, it is characterised in that described RCS main lobe direction
The waist length of adjustable plate determines according to equation below:
In formula, a is that trapezoidal waist is long, and unit is: m, θ are main lobe deviation angle, and unit is: °, b is the right angle of corner reflector main body
The length of side, unit is: m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620514326.0U CN205691764U (en) | 2016-05-31 | 2016-05-31 | A kind of adjustable corner reflector of RCS main lobe direction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620514326.0U CN205691764U (en) | 2016-05-31 | 2016-05-31 | A kind of adjustable corner reflector of RCS main lobe direction |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646391A (en) * | 2017-01-03 | 2017-05-10 | 北京环境特性研究所 | Pitching direction width adjustable corner reflector for RCS main lobe |
| CN107037407A (en) * | 2017-04-20 | 2017-08-11 | 北京环境特性研究所 | A kind of broad-adjustable corner reflector of RCS main lobes orientation |
| CN108366518A (en) * | 2018-01-30 | 2018-08-03 | 深圳市共进电子股份有限公司 | A kind of metallic shield case |
| CN108594191A (en) * | 2018-04-24 | 2018-09-28 | 北京环境特性研究所 | Trihedral corner reflector, the method and apparatus for determining half elliptic sunk structure |
| CN109444822A (en) * | 2019-01-04 | 2019-03-08 | 北京环境特性研究所 | A kind of corner reflector that RCS is controllable and design method |
| CN109444821A (en) * | 2019-01-04 | 2019-03-08 | 北京环境特性研究所 | A kind of controllable corner reflector that polarizes |
| CN109490863A (en) * | 2019-01-04 | 2019-03-19 | 北京环境特性研究所 | A method of extracting trihedral angle parameters of structural dimension |
| EP3671958A1 (en) * | 2018-12-21 | 2020-06-24 | Robert Bosch GmbH | Corner reflector for reflecting electromagnetic waves |
-
2016
- 2016-05-31 CN CN201620514326.0U patent/CN205691764U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646391A (en) * | 2017-01-03 | 2017-05-10 | 北京环境特性研究所 | Pitching direction width adjustable corner reflector for RCS main lobe |
| CN107037407A (en) * | 2017-04-20 | 2017-08-11 | 北京环境特性研究所 | A kind of broad-adjustable corner reflector of RCS main lobes orientation |
| CN108366518A (en) * | 2018-01-30 | 2018-08-03 | 深圳市共进电子股份有限公司 | A kind of metallic shield case |
| CN108366518B (en) * | 2018-01-30 | 2020-10-27 | 深圳市共进电子股份有限公司 | Metal shielding box |
| CN108594191A (en) * | 2018-04-24 | 2018-09-28 | 北京环境特性研究所 | Trihedral corner reflector, the method and apparatus for determining half elliptic sunk structure |
| CN108594191B (en) * | 2018-04-24 | 2020-03-17 | 北京环境特性研究所 | Three-sided corner reflector, method and device for determining semi-elliptical concave structure |
| EP3671958A1 (en) * | 2018-12-21 | 2020-06-24 | Robert Bosch GmbH | Corner reflector for reflecting electromagnetic waves |
| CN109444822A (en) * | 2019-01-04 | 2019-03-08 | 北京环境特性研究所 | A kind of corner reflector that RCS is controllable and design method |
| CN109444821A (en) * | 2019-01-04 | 2019-03-08 | 北京环境特性研究所 | A kind of controllable corner reflector that polarizes |
| CN109490863A (en) * | 2019-01-04 | 2019-03-19 | 北京环境特性研究所 | A method of extracting trihedral angle parameters of structural dimension |
| CN109444821B (en) * | 2019-01-04 | 2020-10-30 | 北京环境特性研究所 | Controllable corner reflector polarizes |
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