CN106532224B - Reflection/transmission two-way integral high-gain aerial - Google Patents
Reflection/transmission two-way integral high-gain aerial Download PDFInfo
- Publication number
- CN106532224B CN106532224B CN201610900061.2A CN201610900061A CN106532224B CN 106532224 B CN106532224 B CN 106532224B CN 201610900061 A CN201610900061 A CN 201610900061A CN 106532224 B CN106532224 B CN 106532224B
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- transmission
- primary
- reflection
- phase modulation
- modulation unit
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
Landscapes
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
Abstract
The present invention proposes a kind of reflection/transmission two-way integral high-gain aerial, comprising: the routed source of primary, primary source electromagnetic wave for transmitting and receiving of bursting；Phase modulation unit, phase modulation unit are used to the spherical wave that primary routed source issues being converted to plane wave and receiving plane wave and converge in primary routed source, wherein the physical thickness of phase modulation unit is lower than preset value；Antenna support structure, Antenna support structure are connected with the routed source of primary and phase modulation unit respectively, the relative position for fixed primary routed source and phase modulation unit.The present invention has the advantages that light-weight, section is extremely low, at low cost, and both reflected beam and transmission wave beam are integrated, increase a day line use ratio, save antenna occupied space, further decrease antenna weights.
Description
Technical field
The present invention relates to antenna technical field, in particular to a kind of reflection/transmission two-way integral high-gain aerial.
Background technique
The high-gain aerial of microstrip reflective array and micro-strip transmission battle array as a new generation, has radiation efficiency height, radiation direction
Scheme the advantages that versatile and flexible and light-weight.But for traditional microstrip reflective array and micro-strip transmission battle array, it is required to one
Block or muti-piece dielectric-slab are as unit supports.In general, these dielectric-slabs need to use Dielectric Materials at Radio Frequencies, and low-loss
Dielectric Materials at Radio Frequencies is usually monopolized by foreign manufacturer and is supplied, expensive.Particularly with extensive manufacture, the price of dielectric-slab is normal
Often become unacceptable.Therefore the very thin high-gain aerial of a thickness is designed, reducing it will to the dependence of dielectric-slab property
Antenna processing cost can be greatly reduced.
On the other hand, for microstrip reflective array, high-gain pencil beam direction is relative to the anti-of feed incident direction
Penetrate direction；And battle array is transmitted for micro-strip, high-gain pencil beam direction is the transmission direction relative to feed incident direction.Such as
What is integrated by both reflective array and transmission battle array, forms integrated reflection and transmission high-gain pencil beam, presently relevant field
There are no effective solution schemes.
Summary of the invention
The present invention is directed at least solve one of above-mentioned technical problem.
For this purpose, there is weight it is an object of the invention to propose a kind of reflection/transmission two-way integral high-gain aerial
Gently, extremely low, the at low cost advantage of section, and both reflected beam and transmission wave beam are integrated, increase a day line use ratio, save day
Line occupied space, further decreases antenna weights.
To achieve the goals above, the embodiment of the present invention proposes a kind of reflection/transmission two-way integral high-gain day
Line, comprising: the routed source of primary, the primary source electromagnetic wave for transmitting and receiving of bursting；Phase modulation unit, the phase modulation unit is used for will
The spherical wave that the primary routed source issues is converted to plane wave and receiving plane wave and converges in the primary routed source,
In, the physical thickness of the phase modulation unit is lower than preset value；Antenna support structure, the Antenna support structure respectively with it is described just
The routed source of grade is connected with the phase modulation unit, for fixing the relative position in the primary routed source and the dielectric layer.
In addition, reflection/transmission two-way integral high-gain aerial according to the above embodiment of the present invention can also have as
Under additional technical characteristic:
In some instances, the primary routed source is using the routed source antenna of parabola antenna as the source of bursting.
In some instances, the primary routed source are as follows: pyramidal horn antenna, circular horn antenna, corrugated horn or small
The polarization of type aerial array, the primary routed source is any polarization.
In some instances, the phase modulation unit is sheet metal or dielectric layer, the thickness of the sheet metal and the dielectric layer
Degree is less than the preset value.
In some instances, the electric size of the sheet metal and the dielectric layer with a thickness of operation wavelength 1 percent to
One thousandth.
In some instances, the sheet metal is aluminium flake, copper sheet or stainless steel substrates.
In some instances, the surface of the sheet metal has preinstalled circuit pattern.
In some instances, the preinstalled circuit pattern by V-groove or with fatiscent square groove or has breach
Circular trough constitute.
In some instances, the surface printing of the dielectric layer has default metal pattern.
In some instances, the default metal pattern by V-type dipole or with fatiscent Q-RING or has breach
Circular rings constitute.
Reflection/transmission two-way integral high-gain aerial according to an embodiment of the present invention has following remarkable advantage:
(1) cell array is integrated in above the very thin sheet metal of monolithic or very thin dielectric layer, has light-weight, section pole
The advantages that low and low cost；
(2) both reflected beam and transmission wave beam are integrated, increase a day line use ratio, save antenna and occupy sky
Between, and further decrease antenna weights.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural block diagram of reflection/transmission two-way integral high-gain aerial according to an embodiment of the invention；
Fig. 2 is the structural representation of reflection/transmission two-way integral high-gain aerial in accordance with another embodiment of the present invention
Figure；
Fig. 3 is the schematic diagram of phase modulation unit according to an embodiment of the invention；
Fig. 4 is transmission cross polarization coefficient schematic diagram according to an embodiment of the invention；
Fig. 5 is the AutoCAD that the array of unit composition accord to a specific embodiment of that present invention is used to process and emulate
Schematic diagram；
Fig. 6 is cell array partial enlarged view accord to a specific embodiment of that present invention；
Fig. 7 is in one embodiment of the invention when feed polarization direction is y direction polarization, and the reflection and transmission of formation are high
Gain pencil beam full-wave simulation result schematic diagram；
Fig. 8 is that the reflection and transmission of formation are high to be increased in one embodiment of the invention when feed polarization is left-hand circular polarization
Beneficial pencil beam full-wave simulation result schematic diagram；
Fig. 9 is the transmission master of actual measurement and emulation in one embodiment of the invention when feed polarization direction is y direction polarization
Polarization and Cross polarization pattern；
Figure 10 is the transmission of actual measurement and emulation in one embodiment of the invention when feed polarization direction is y direction polarization
Gain is with frequency variation curve；
Figure 11 is the reflection of actual measurement and emulation in one embodiment of the invention when feed polarization direction is y direction polarization
Main polarization and Cross polarization pattern；
Figure 12 is the reflection of actual measurement and emulation in one embodiment of the invention when feed polarization direction is y direction polarization
Gain is with frequency variation curve schematic diagram.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
It is disconnected that the two-way mechanical formula direct current according to an embodiment of the present invention based on change of current driving circuit is described below in conjunction with attached drawing
Road device and its control method.
Fig. 1 is the structural schematic diagram of reflection/transmission two-way integral high-gain aerial according to an embodiment of the invention.
Fig. 2 is the structural schematic diagram of reflection/transmission two-way integral high-gain aerial in accordance with another embodiment of the present invention.Such as Fig. 1
It is shown, and Fig. 2 is combined, the reflection/transmission two-way integral high-gain aerial 100: the routed source 1 of primary, phase modulation unit 2 and antenna branch
Support structure 3.
Wherein, the primary electromagnetic wave for transmitting and receiving of source 1 of bursting.
Specifically, Feed 1 can be positive feedback form using two kinds of positive feedback, offset-fed forms, Fig. 2 schematic diagram.It needs first
Determine feed location, reflective array port face size and main beam exit direction.Wherein general feed location is imitated with antenna
Rate is up to best.
In one embodiment of the invention, primary routed source 1 is made for example, by using the routed source antenna of traditional parabola antenna
For source of bursting.More specifically, primary to burst source 1 for example are as follows: pyramidal horn antenna, circular horn antenna, corrugated horn or small-sized
Aerial array.The polarization in the routed source 1 of primary is any polarization, namely the polarization in primary routed source 1 is unrestricted.
Phase modulation unit 2 is used to the spherical wave that primary routed source 1 issues being converted to plane wave and receiving plane wave and converge
Into the routed source 1 of primary, wherein the physical thickness of phase modulation unit 2 is lower than preset value.Specifically, preset value is mainly by antenna branch
The enabling capabilities of support structure 3 determine, when the physical thickness of phase modulation unit 2 is lower than preset value, assert the thickness of phase modulation unit 2
It is very thin.For example, the physical thickness of phase modulation unit 2, which can be close to have in 0 namely phase modulation unit 2, to be surpassed during full-wave simulation
Thin physical thickness.
Antenna support structure 3 is connected with the routed source 1 of primary and phase modulation unit 2 respectively, for fixed primary routed source 1 and phase modulation list
The relative position of member 2.
In one embodiment of the invention, phase modulation unit 2 for example, sheet metal or dielectric layer, sheet metal and dielectric layer
Thickness is less than preset value.That is, sheet metal is very thin sheet metal, dielectric layer is very thin dielectric layer.The preset value, that is, above-mentioned
The preset value of description is determined by the enabling capabilities of Antenna support structure 3, when the physical thickness of sheet metal or dielectric layer is lower than
When preset value, assert that the thickness of sheet metal or dielectric layer is very thin.During practical full-wave simulation, the object of sheet metal or dielectric layer
Reason thickness can be close in 0.
In some instances, the electric size of above-mentioned sheet metal and dielectric layer is with a thickness of one to thousand percent point of operation wavelength
One of.
In some instances, the material of above-mentioned sheet metal is, for example, aluminium flake, copper sheet or stainless steel substrates.
In some instances, the surface of above-mentioned sheet metal is for example with preinstalled circuit pattern.More specifically, preinstalled circuit
Pattern is constituted by V-groove or with fatiscent square groove or with fatiscent circular trough.
In some instances, the surface of above-mentioned dielectric layer is for example printed with default metal pattern.More specifically, gold is preset
Metal patterns are constituted by V-type dipole or with fatiscent Q-RING or with fatiscent circular rings.
In one embodiment of the invention, the projection and reflection of the reflection/transmission two-way integral high-gain aerial 100
Direction can form the pencil beam of high-gain.
In specific example, all-metal phase modulation unit used in Fig. 3 one embodiment of the present of invention, i.e. phase modulation unit
2 be sheet metal, and physical form is the square groove with notch.
Fig. 4 be one embodiment of the present of invention in when to all-metal phase modulation unit shown in Fig. 3 carry out relevant design after,
Obtained transmission cross polarization coefficient, is provided here with polar form, therefore contain transmission amplitude and phase information.Its
Middle transmission cross polarization amplitude is greater than 0.49,360 degree of phase range.It should be noted that field boundary condition is utilized, it can be with
Tx=Rx is obtained, wherein Tx is the cross polarization coefficient of transmission, and Rx is the cross polarization coefficient of reflection.
Further, using transmission cross polarization coefficient shown in Fig. 4, unit group battle array can be carried out.And organize battle array Shi Suoxu
The unit phase compensation amount wanted is determined by following formula:
Wherein, f is design frequency point,For the phase compensation of the mn unit, k is free space wave number,For battle array
Column center to the mn unit position vector,For feed to the position vector of the mn unit,For antenna greatest irradiation
Direction unit vector, Δ φ are fixed phase, and N is arbitrary integer.
Fig. 5 is in one embodiment of the present of invention, when carrying out a group battle array Shi Suosheng using all-metal phase modulation unit shown in Fig. 2
At the AutoCAD schematic diagram for processing and emulating, wherein Fig. 6 is the partial enlargement to Fig. 5.By Fig. 6 it can be seen that, it is single
Member is arranged at paracycle.
Fig. 7 is formed by anti-when the feed that polarization direction is y direction polarization irradiates all-metal array shown in fig. 6
Penetrate and transmit high-gain pencil beam full-wave simulation result.Feed irradiation for x direction polarization, has similar results, here
It repeats no more.
Fig. 8 is formed by anti-when the feed that polarization direction is left-hand circular polarization irradiates all-metal array shown in fig. 6
Penetrate and transmit high-gain pencil beam full-wave simulation result.Wherein, being formed by left-handed round high-gain wave beam is reflection-type, and right
Rounding high-gain wave beam is transmission-type.For the feed irradiation of right-handed circular polarization, there are similar results, which is not described herein again.
In order to verify the correctness designed above, in one particular embodiment of the present invention, a 0.42 meter machined,
Centre frequency is the model machine of 10GHz.Wherein, ultra-thin all-metal piece 2 is process by the stainless steel substrates that physical thickness is 0.2mm.
It follows that ultra-thin all-metal piece electricity thickness is lower than 1 percent operation wavelengths.
Fig. 9 is the main polarization and Cross polarization pattern that test is obtained with emulation.Survey obtained sidelobe level be-
20dB, cross polarization level -25dB.Figure 10 is test and the transmittance gain emulated with frequency variation curve figure.From Fig. 9 and Figure 10
It is found that actual measurement coincide preferably with emulation.
Figure 11 is the main polarization and Cross polarization pattern that test is obtained with emulation.Survey obtained sidelobe level be-
18dB, cross polarization level -19dB.Figure 12 is test and the reflection gain emulated with frequency variation curve figure.From Figure 11 and figure
12 it is found that actual measurement coincide preferably with emulation.
By surveying above, measured result coincide well with simulation result, successfully demonstrates institute of the embodiment of the present invention
The ultra-thin reflection/transmission two-way integral high-gain aerial proposed.The phase modulation surface of the antenna only needs one block of ultra-thin metal
Piece or very thin dielectric layer, and high-gain pencil beam can be respectively formed in transmission and reflection direction.It is described above ultra-thin
Two-way high-gain aerial according to the difference of working frequency range and use environment, can design the feed and phase modulation metal of corresponding band
Surface, and phase modulation metal surface thickness the case where physical support structure by determining.
To sum up, reflection/transmission two-way integral high-gain aerial according to an embodiment of the present invention has following significant excellent
Point:
(1) cell array is integrated in above the very thin sheet metal of monolithic or very thin dielectric layer, has light-weight, section pole
The advantages that low and low cost；
(2) both reflected beam and transmission wave beam are integrated, increase a day line use ratio, save antenna and occupy sky
Between, and further decrease antenna weights.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is by claim and its equivalent limits.
Claims (8)
1. a kind of reflection/transmission two-way integral high-gain aerial characterized by comprising
The routed source of primary, the primary source electromagnetic wave for transmitting and receiving of bursting；
Phase modulation unit, the phase modulation unit is used to the spherical wave that the primary routed source issues being converted to plane wave, and receives
Plane wave simultaneously converges in the primary routed source, wherein the physical thickness of the phase modulation unit is lower than preset value, wherein described
Phase modulation unit is sheet metal or dielectric layer, and the thickness of the sheet metal and the dielectric layer is less than the preset value, the metal
The physical thickness of piece and the dielectric layer is operation wavelength 1 percent to one thousandth；
Antenna support structure, the Antenna support structure are connected with the primary routed source and the phase modulation unit respectively, for solid
The relative position in the fixed primary routed source and the phase modulation unit.
2. reflection/transmission two-way integral high-gain aerial according to claim 1, which is characterized in that described primary routed
Source is using the routed source antenna of parabola antenna as the source of bursting.
3. reflection/transmission two-way integral high-gain aerial according to claim 2, which is characterized in that described primary routed
Source are as follows: pyramidal horn antenna, circular horn antenna, corrugated horn or small size antenna array, the polarization shape in the primary routed source
Formula is any polarization.
4. reflection/transmission two-way integral high-gain aerial according to claim 1, which is characterized in that the sheet metal
For aluminium flake, copper sheet or stainless steel substrates.
5. reflection/transmission two-way integral high-gain aerial according to claim 1, which is characterized in that the sheet metal
Surface have preinstalled circuit pattern.
6. reflection/transmission two-way integral high-gain aerial according to claim 5, which is characterized in that the default electricity
Road pattern is constituted by V-groove or with fatiscent square groove or with fatiscent circular trough.
7. reflection/transmission two-way integral high-gain aerial according to claim 1, which is characterized in that the dielectric layer
Surface printing have default metal pattern.
8. reflection/transmission two-way integral high-gain aerial according to claim 7, which is characterized in that the default gold
Metal patterns are constituted by V-type dipole or with fatiscent Q-RING or with fatiscent circular rings.
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| CN201610900061.2A CN106532224B (en) | 2016-10-14 | 2016-10-14 | Reflection/transmission two-way integral high-gain aerial |
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| CN201610900061.2A CN106532224B (en) | 2016-10-14 | 2016-10-14 | Reflection/transmission two-way integral high-gain aerial |
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| CN108832302B (en) * | 2018-05-03 | 2021-01-05 | 西安电子科技大学 | Double-frequency double-radiation-direction phase gradient super-surface system |
| CN109088174B (en) * | 2018-07-12 | 2021-04-09 | 清华大学 | Single-layer reflection and transmission bidirectional radiation beam scanning antenna |
| CN109687164B (en) * | 2018-11-29 | 2020-12-22 | 西安工业大学 | Anti-transmission integrated multifunctional planar air-feed array antenna and wireless communication system |
| CN110729565B (en) * | 2019-10-29 | 2021-03-30 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110943303B (en) * | 2019-10-29 | 2021-11-09 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN116053774A (en) * | 2023-01-12 | 2023-05-02 | 西安石油大学 | Low-profile double-circular polarization multi-beam Cassegrain antenna |
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