CN105470653B - A kind of design method of confinement space continuous phase amendment reflecting antenna - Google Patents
A kind of design method of confinement space continuous phase amendment reflecting antenna Download PDFInfo
- Publication number
- CN105470653B CN105470653B CN201510932475.9A CN201510932475A CN105470653B CN 105470653 B CN105470653 B CN 105470653B CN 201510932475 A CN201510932475 A CN 201510932475A CN 105470653 B CN105470653 B CN 105470653B
- Authority
- CN
- China
- Prior art keywords
- interarea
- point
- confinement space
- face
- axis
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/148—Reflecting surfaces; Equivalent structures with means for varying the reflecting properties
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The invention discloses a kind of design method of confinement space continuous phase amendment reflecting antenna, for constructing new continuous phase amendment reflecting antenna in the conformal certain thickness confined space with systemic vectors surface, solve the problem for designing high-gain reflector antenna in given confinement space at present, the conformal reflector antenna design that can be widely applied in the fields such as High-Power Microwave, radar and high-power millimeter wave.
Description
Technical field
The present invention relates to microwave antenna art field, in particular to a kind of confinement space continuous phase amendment reflecting antenna
Design method.
Background technology
With developing rapidly for High-Power Microwave and high-power Millimeter Wave Applications, people get over to the gain requirement of radiating antenna
Come higher, array antenna raises rapidly with the increase of Antenna aperture electric size because of work(point loss of its feeder line so that antenna system
Radiation efficiency decline to a great extent, therefore, reflector antenna is because of the features such as its feed structure is simple, and transmission loss is small, in high power
Microwave and high-power millimeter-wave technology field obtain increasing application.
In some application scenarios, it is desirable to the profile of antenna can (including curved surface or plane) conformal with carrier surface,
And section is unexpectedly possible low, traditional parabolic reflective surface antenna can not meet such emerging demand, it is therefore desirable to one
The new reflector antenna of kind, its profile have in the given certain thickness restricted area space conformal with carrier surface
There is the gain suitable with traditional reflective surface antenna.
The content of the invention
It is an object of the invention to provide a kind of design method of confinement space continuous phase amendment reflecting antenna, for
The new continuous phase amendment reflecting antenna of construction in the conformal certain thickness confined space on systemic vectors surface, solve current
The problem of high-gain reflector antenna is designed in given confinement space, can be widely applied to High-Power Microwave, radar and big work(
Conformal reflector antenna design in the fields such as rate millimeter wave.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of design method of confinement space continuous phase amendment reflecting antenna, comprises the following steps：
Step 1：The phase center of Feed Horn is set to coordinate origin O, the beam axis of Feed Horn is coordinate system
Z axis, the axis perpendicular to Z axis are X-axis, and the axle perpendicular to Z, X-axis face is Y-axis；
Step 2：A point is found at the top interface of confinement as interarea central point (xc,zc), the point meets it in mouth
Subpoint on face is located at the center in mouth face, and radiation beam and Z axis angle are α, while the point position at given subreflector center；
Step 3：Secondary coordinate system is built, origin is identical with cylindrical coordinate, Z ' axles and aerial radiation beam parallel, is sat with post
The angle of mark system is α, and X ' is parallel with mouth face.
Step 4：Interarea central point (x is determinedc,zc) after, calculate from feed center to subreflector center, then arrive
Interarea center, then total wave-path L to aperture centreO；
Step 5：In given confinement space, from interarea center, outwards point-by-point solution meets light path L=LO's
Point coordinates on interarea, solution formula can obtain what is put on interarea to be handled by a series of geometrical relationship and mathematical derivation
Axial coordinate is：
Wherein：(xf*,yf*,zf*) it is the coordinate of interarea or minor face in Descartes's pair coordinate system that the angle of pitch is α, L0For
Total optical path, ρsThe pole span for being subreflector in spherical coordinates.
Step 6：The point cloud for completing interarea and minor face solves, and preserves the face type data of interarea and minor face
In the above-mentioned technical solutions, state in step 3, construct a secondary coordinate system parallel with radiation beam, its feature
Identical with cylindrical coordinate for origin, Z ' axles and aerial radiation beam parallel, the angle with cylindrical coordinate are α, X ' and inclined mouth
Face is parallel.
In the above-mentioned technical solutions, in the step 5, the solution formula of the interarea face type in secondary coordinate system is tilted：
Wherein：(xf*,yf*,zf*) it is the coordinate of interarea or minor face in Descartes's pair coordinate system that the angle of pitch is α, L0For
Total optical path, ρsThe pole span for being subreflector in spherical coordinates.
In the above-mentioned technical solutions, performed in the step 5 when the interarea point that solution obtains is located at outside confinement space
Total optical path amendment, L is updated to by total optical path0=L0Continue to solve after+n λ, λ is ripple corresponding to working frequency in formula
Long, n is integer.
In the above-mentioned technical solutions, the interarea point that n selection should make to solve to obtain again is located in confinement space, and to the greatest extent may be used
Can be close to top interface.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：Can be in given special limitation
Reflector antenna is designed in space, produces the directional beam suitable with the Shaped reflector gain in traditional free space, can be wide
It is general to be applied to the fields such as High-Power Microwave emission system, radar and high-power millimeter wave emission system.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the design geometric representation of FZP reflectings surface；
Fig. 2 is design example face type figure
Wherein：1 is subreflector, and 2 be the primary reflection surface to be designed, and 3 be given confinement space, and 4 be Antenna aperture, 5
It is Feed Horn, 6 be interarea face type, and 7 be minor face face type.
Embodiment
The present invention provides a kind of design method of confinement space continuous phase amendment reflecting antenna, and its design principle is main
It is：
Traditional reflector antenna utilizes aplanatism principle so that the microwave radiation slave phase heart sets out, by subreflector and
The reflection of primary reflection surface, the light path reached on mouthful face are consistent, you can are distributed the electric field phase on mouthful face consistent, so as to realize electricity
The high-gain radiation of magnetic wave.For the High-Power Microwave for working in single-frequency point and high-power millimeter wave antenna, it is not necessary to tight
Lattice require aplanatism, the integral multiple for only needing the path length difference between quasi-optical ray to be working frequency corresponding wavelength, can also realize antenna
Electric field phase is overall consistent on mouth face.
The present invention design method be in geometric representation design (as shown in Figure 1), including give confinement space,
The primary reflection surface to be designed in confinement space, subreflector are Antenna aperture and are Feed Horn.
Design process and step are：
(1) phase center of Feed Horn 5 is set to coordinate origin O, the beam axis of Feed Horn is coordinate system Z
Axle, the axis in paper perpendicular to Z axis is X-axis, and the axle outside perpendicular to paper is Y-axis；
(2) point is found at the top interface of confinement as interarea central point (xc,zc), the point meets it on mouth face 4
Subpoint be located at the center in mouth face, radiation beam and Z axis angle are α, while the point position at given subreflector center；
(3) secondary coordinate system is built, origin is identical with cylindrical coordinate, Z ' axles and aerial radiation beam parallel, with cylindrical coordinate
Angle be α, X ' is parallel with mouth face.
(4) interarea central point (x is determinedc,zc) after, calculate from feed center to subreflector center, then to interarea
Center, then total wave-path L to aperture centreO；
(5) in given confinement space, from interarea center, outwards point-by-point solution meets light path L=LOInterarea
On point coordinates, solution formula can obtain the axial direction put on interarea to be handled by a series of geometrical relationship and mathematical derivation
Coordinate is：
Wherein：(xf*,yf*,zf*) it is the coordinate of interarea or minor face in Descartes's pair coordinate system that the angle of pitch is α, L0For
Total optical path, ρsThe pole span for being subreflector in spherical coordinates.When the interarea point that solution obtains is located at outside confinement space, perform
Total optical path amendment, L is updated to by total optical path0=L0Continue to solve after+n λ, λ is ripple corresponding to working frequency in formula
Long, n is integer, and the interarea point that n selection should make to solve to obtain again is located in confinement space, and as close possible to coboundary
Face, this may be such that the piecemeal step number of whole interarea is as few as possible.
(6) the point cloud for completing interarea and minor face solves, and preserves the face type data of interarea and minor face.
In the step 3, a secondary coordinate system parallel with radiation beam is constructed, origin is identical with cylindrical coordinate, Z '
Axle and aerial radiation beam parallel, the angle with cylindrical coordinate is α, and X ' is parallel with inclined mouth face.
In the step 5, the solution formula of the interarea face type in secondary coordinate system is tilted：
Wherein：(xf*,yf*,zf*) it is the coordinate of interarea or minor face in Descartes's pair coordinate system that the angle of pitch is α, L0For
Total optical path, ρsThe pole span for being subreflector in spherical coordinates.
In the step 5, when the interarea point that solution obtains is located at outside confinement space, execution is once repaiied to total optical path
Just, total optical path is updated to L0=L0The interarea point that+n λ, n selection should make to solve to obtain again is located in confinement space, and to the greatest extent
It may be close to top interface.
It is the continuous phase that a W-waveband is devised in 5mm flat space in given thickness by above-mentioned design method
Position amendment reflector antenna, its technical parameter are：
● working frequency f：95GHz；
● mouth face dimension Da：660mm；
● radiation beam angle [alpha]：0°；
● minor face is apart from feed：600mm
● mouth face amplitude distribution：
Obtained face type is designed as shown in Fig. 2 wherein 6 be interarea face type, 7 be minor face face type, it is seen that interarea completely to
In fixed flat confined space.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (5)
1. a kind of design method of confinement space continuous phase amendment reflecting antenna, it is characterised in that comprise the following steps：
Step 1：The phase center of Feed Horn is set to coordinate origin O, the beam axis of Feed Horn is coordinate system Z axis,
Axis perpendicular to Z axis is X-axis, and the axle perpendicular to Z, X-axis face is Y-axis；
Step 2：A point is found at the top interface of confinement as interarea central point (xc,zc), the point meets it on mouth face
Subpoint be located at the center in mouth face, radiation beam and Z axis angle are α, while the point position at given subreflector center；
Step 3：Secondary coordinate system is built, origin is identical with cylindrical coordinate, Z ' axles and aerial radiation beam parallel, with cylindrical coordinate
Angle be α, X ' is parallel with mouth face；
Step 4：Interarea central point (x is determinedc,zc) after, calculate from feed center to subreflector center, then to interarea
Center, then total wave-path L to aperture centreO；
Step 5：In given confinement space, from interarea center, outwards point-by-point solution meets light path L=LOInterarea on
Point coordinates, solution formula can obtain the axial direction seat put on interarea to be handled by a series of geometrical relationship and mathematical derivation
It is designated as：
Wherein：(xf*,yf*,zf*) it is the coordinate of interarea or minor face in Descartes's pair coordinate system that the angle of pitch is α, L0For total light
Journey, ρsThe pole span for being subreflector in spherical coordinates；
Step 6：The point cloud for completing interarea and minor face solves, and preserves the face type data of interarea and minor face.
2. a kind of design method of confinement space continuous phase amendment reflecting antenna according to claim 1, its feature exist
In the step 3, a secondary coordinate system parallel with radiation beam is constructed, it is characterized in that origin is identical with cylindrical coordinate,
Z ' axles and aerial radiation beam parallel, the angle with cylindrical coordinate is α, and X ' is parallel with inclined mouth face.
3. a kind of design method of confinement space continuous phase amendment reflecting antenna according to claim 1, its feature exist
In the step 5, the solution formula of the interarea face type in secondary coordinate system is tilted：
Wherein：(xf*,yf*,zf*) it is the coordinate of interarea or minor face in Descartes's pair coordinate system that the angle of pitch is α, L0For total light
Journey, ρsThe pole span for being subreflector in spherical coordinates.
4. a kind of design method of confinement space continuous phase amendment reflecting antenna according to claim 1, its feature exist
In the step 5 when the interarea point that solution obtains is located at outside confinement space, a total optical path amendment is performed, by total light
Journey is updated to L0=L0Continue to solve after+n λ, λ is wavelength corresponding to working frequency in formula, and n is integer.
5. a kind of design method of confinement space continuous phase amendment reflecting antenna according to claim 4, its feature exist
It is located in the interarea point that n selection should make to solve to obtain again in confinement space, and as close possible to top interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932475.9A CN105470653B (en) | 2015-12-15 | 2015-12-15 | A kind of design method of confinement space continuous phase amendment reflecting antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932475.9A CN105470653B (en) | 2015-12-15 | 2015-12-15 | A kind of design method of confinement space continuous phase amendment reflecting antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105470653A CN105470653A (en) | 2016-04-06 |
| CN105470653B true CN105470653B (en) | 2018-01-30 |
Family
ID=55608122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510932475.9A Active CN105470653B (en) | 2015-12-15 | 2015-12-15 | A kind of design method of confinement space continuous phase amendment reflecting antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470653B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121600B (en) * | 2017-06-07 | 2023-04-07 | 中国工程物理研究院应用电子学研究所 | Automatic testing device for testing uniformity of antenna radiation field |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248077A (en) * | 1999-09-07 | 2000-03-22 | 信息产业部电子第五十四研究所 | Manufacture of multibeam parabolic torus antenna with secondary phase correcting surface |
| WO2000067345A1 (en) * | 1999-04-30 | 2000-11-09 | France Telecom | Antenna with continuous reflector for multiple reception of satellite beams |
-
2015
- 2015-12-15 CN CN201510932475.9A patent/CN105470653B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000067345A1 (en) * | 1999-04-30 | 2000-11-09 | France Telecom | Antenna with continuous reflector for multiple reception of satellite beams |
| CN1248077A (en) * | 1999-09-07 | 2000-03-22 | 信息产业部电子第五十四研究所 | Manufacture of multibeam parabolic torus antenna with secondary phase correcting surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105470653A (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liao et al. | Compact multibeam fully metallic geodesic Luneburg lens antenna based on non-Euclidean transformation optics | |
| CN110165403B (en) | Wide-angle scanning deformation hemispherical dielectric lens antenna based on array feed | |
| CN105789877A (en) | Four-beam microstrip transmission array antenna based on super-surface, and design method for four-beam microstrip transmission array antenna | |
| Bi et al. | 3-D printed wideband Cassegrain antenna with a concave subreflector for 5G millimeter-wave 2-D multibeam applications | |
| US8253629B2 (en) | Dielectric rod antenna and method for operating the antenna | |
| CN109768374B (en) | Millimeter wave lens antenna | |
| CN112382857A (en) | Broadband reflection super-surface antenna for generating vortex wave based on 1bit phase encoding | |
| Bray et al. | High efficiency short backfire antenna using electromagnetically hard walls | |
| CN109346843B (en) | Design method of space one-dimensional scanning lens antenna and beam scanning method | |
| US9614292B2 (en) | Circularly polarized antenna | |
| CN105470653B (en) | A kind of design method of confinement space continuous phase amendment reflecting antenna | |
| CN108682968B (en) | Single-feed three-beam low-RCS super-surface included angle reflector antenna | |
| CN102820527B (en) | A kind of radar antenna and radar system | |
| CN102820528B (en) | Radar antenna and radar system | |
| CN102820526B (en) | A kind of radar antenna and radar system | |
| CN103022723A (en) | Small flat ring focus parabolic antenna | |
| CN108511922B (en) | Multi-beam high-directivity three-side included angle reflector antenna based on super surface | |
| CN102820529B (en) | A kind of radar antenna and radar system | |
| Dastranj et al. | Cosecant‐squared pattern synthesis method for broadband‐shaped reflector antennas | |
| CN112688082B (en) | Wave beam bunching array structure based on waveguide slot antenna | |
| US20180083362A1 (en) | Slot antenna | |
| Bagheri et al. | Stable phase‐centre horn antenna using 3D printed dielectric rod for aperture efficiency improvement of space‐fed antennas | |
| Binion et al. | Dual-band advanced short backfire antenna with 100% aperture efficiency over a wide range of diameters | |
| Plastikov et al. | About a new procedure for offset bifocal reflector antennas synthesis | |
| Baghel et al. | Parabolic profile pyramidal horn antenna with lower phase centre variation and 3 dB beamwidth in S‐band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |