CN109888489A - A kind of raising amplitude-phase consistency anti-interference antenna unit and anti-jamming array array antenna - Google Patents
A kind of raising amplitude-phase consistency anti-interference antenna unit and anti-jamming array array antenna Download PDFInfo
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- CN109888489A CN109888489A CN201910302529.1A CN201910302529A CN109888489A CN 109888489 A CN109888489 A CN 109888489A CN 201910302529 A CN201910302529 A CN 201910302529A CN 109888489 A CN109888489 A CN 109888489A
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- 239000002184 metal Substances 0.000 claims abstract description 37
- 230000010363 phase shift Effects 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 9
- 230000010287 polarization Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The present invention discloses a kind of raising amplitude-phase consistency anti-interference antenna unit, it include: metal isolation peripheral frame, microstrip antenna, function divides phase shift feeder panel, antenna liner plate and coaxial connector, the metal isolation peripheral frame is top opening, the metal frame of all round closure, the microstrip antenna is arranged in the metal frame, there are gaps between the surrounding of the microstrip antenna and the inner wall of the metal frame, the top of the microstrip antenna is lower than the top of the metal frame, the bottom inside that the function divides phase shift feeder panel that the metal frame is arranged in, the bottom outside of the metal frame is arranged in the antenna liner plate, the coaxial connector divides phase shift feeder panel for microstrip antenna feed by the function.The present invention effectively improves the performance indicator of each antenna element amplitude-phase consistency, and interference free performance has clear improvement, and meets the requirement of system stable position under three interference system of anti-jamming array array antenna.The present invention also provides a kind of anti-jamming array array antennas.
Description
Technical field
The present invention relates to antenna technical field, more particularly to a kind of satellite anti-interference antenna system that can be applied to
Antenna cell design and anti-jamming array array antenna.
Background technique
Anti-jamming array array antenna, the requirement to antenna element are higher than a single aerial system.In Beidou Navigation System,
In the research process of anti-interference ability, material quotient develops the material of dielectric constant 3~15.It is restricted by volume requirement, unit
Antenna system and array antenna also have more significant difference in layout, such as Beidou B3 frequency antenna, in element antenna system,
Antenna element is often placed centrally, superior performance；Once applying on array antenna, antenna element occupies edge placement, causes to increase
Beneficial index and out-of-roundness index deteriorate serious.And the surface actuator of antenna element can cause stronger surface wave, and it is multiple with frequency
The coupling of antenna element is superimposed, so that the gain of array antenna declines, performance is unable to satisfy the requirement of satellite jamproof system.
For array antenna, antenna element is selected, not only to meet the frequency band, increasing that system proposes in traditional field
The requirement of the performance indicators such as benefit, standing-wave ratio, polarization, but also to make the coupling between each array element as small as possible, guarantee each array element
Amplitude and phase it is consistent.With the development of satellite antenna system, the volume of array antenna is constantly compressed, to the width of antenna element
Consistent, consistent, low elevation gain of phase of degree etc. all has higher requirement.Traditional antenna cell design thinking can not expire
The demand for development of sufficient array of satellites antenna system.
Summary of the invention
In view of the deficiencies in the prior art, it is good, anti-interference that the purpose of the present invention is to provide a kind of amplitude-phase consistencies
The strong antenna element of ability.
The present invention also provides a kind of array antennas with above-mentioned antenna element.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of raising amplitude-phase consistency anti-interference antenna unit characterized by comprising peripheral frame, micro-strip day is isolated in metal
Line, function divide phase shift feeder panel, antenna liner plate and coaxial connector, and the metal isolation peripheral frame is top opening, all round closure
Metal frame, the microstrip antenna is arranged in the metal frame, between the surrounding of the microstrip antenna and the inner wall of the metal frame
There are gap, the top of the microstrip antenna is lower than the top of the metal frame, and the function divides phase shift feeder panel to be arranged described
The bottom outside of the metal frame is arranged in the bottom inside of metal frame, the antenna liner plate, and the coaxial connector passes through institute
Stating function divides phase shift feeder panel for microstrip antenna feed.
As a further illustration of the above scheme, the medium substrate of the microstrip antenna is high frequency plate or ceramic wafer.
As a further illustration of the above scheme, the function divides phase shift feeder panel to include: medium substrate and be arranged described
Function on medium substrate divides phase shift feeding network, for realizing the left-hand circular polarization function or right-handed circular polarization of the microstrip antenna
Function.
As a further illustration of the above scheme, the coaxial connector is fixed on the antenna liner plate.
The present invention also provides a kind of anti-jamming array array antennas, comprising: reflecting plate, and if being arranged on the reflecting plate
Dry microstrip antenna element, which is characterized in that the microstrip antenna element is antenna element as described above.
As a further illustration of the above scheme, the number of the microstrip antenna element is 3~16.
As a further illustration of the above scheme, the microstrip antenna element is uniformly or non-uniformly to structure the formation.
As a further illustration of the above scheme, the frequency range of each microstrip antenna element is identical or not identical.
As a further illustration of the above scheme, the group battle array spacing of each microstrip antenna element is no more than aerial radiation wave
Long half.
As a further illustration of the above scheme, the working band of the day anti-jamming array array antenna is arrived in 0.8GHz
2.7GHz。
The beneficial effects of the present invention are:
One, antenna element provided by the invention, by the way that peripheral frame is isolated in setting metal, function divides phase shift feeder panel, antenna liner plate
And coaxial connector, and microstrip antenna setting is effectively improved into the performance indicator of low elevation angle high-gain in metal isolation peripheral frame.
Through simulated experiment, low elevation gain improves 1~2dBi than traditional antenna；Interference free performance has clear improvement, and meets anti-interference
The requirement of system stable position under three interference system of array antenna.
Two, anti-jamming array array antenna provided by the invention, using above-mentioned antenna element, have amplitude is consistent, phase is consistent,
The advantages such as low elevation gain height have higher low section gain, smaller volume and smaller than existing conventional arrays antenna
Loss, so that machine system anti-interference ability is further enhanced.Particularly, when the group battle array spacing of microstrip antenna element is less than
In the case where half-wavelength, each antenna element, which intercouples, to be influenced less, and the antenna element debugging amount made reaches height unanimously, can be more
Meet the requirement of Phase amplitude-matched between each antenna element well.
Detailed description of the invention
Fig. 1 show antenna unit structure schematic diagram provided by the invention.
Fig. 2 show antenna element cross-sectional view provided by the invention.
Fig. 3 show antenna element emulation phase pattern provided by the invention.
Fig. 4 show traditional antenna cellular construction schematic diagram.
Fig. 5 show traditional antenna unit emulation phase pattern.
Fig. 6 show anti-jamming array array antenna structural schematic diagram provided by the invention.
Fig. 7 show another structural schematic diagram of anti-jamming array array antenna provided by the invention.
Description of symbols:
1: belong to isolation peripheral frame, 2: microstrip antenna, 3: function divides phase shift feeder panel, and 4: antenna liner plate, 5: coaxial connector, 6: anti-
Penetrate plate, 7: microstrip antenna element.
Specific embodiment
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term " center " for the noun of locality
To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position
Relationship is set, the narration present invention is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It constructs and operates with specific orientation, with particular orientation, should not be understood as limiting specific protection scope of the invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " at least " are meant that one or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term
Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to mechanical connect
It connects；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In invention, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" may include
First and second features directly contact, also may include fisrt feature and second feature be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
Right above two features and oblique upper, or be only to indicate that first feature horizontal height is higher than the height of second feature.Fisrt feature
Second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only table
Show first feature horizontal height lower than second feature.
Below with reference to the attached drawing of specification, a specific embodiment of the invention is further described, is made of the invention
Technical solution and its benefits are clearer.It describes embodiment below with reference to attached drawing to be exemplary, it is intended to solve
The present invention is released, and is not considered as limiting the invention.
Embodiment one
As shown in Figure 1 and Figure 2, a kind of raising amplitude-phase consistency anti-interference antenna unit characterized by comprising metal every
Divide phase shift feeder panel 3, antenna liner plate 4 and coaxial connector 5 from peripheral frame 1, microstrip antenna 2, function, the metal isolation peripheral frame 1 is
The metal frame of top opening, all round closure, the microstrip antenna 2 are arranged in the metal frame, the surrounding of the microstrip antenna 2
There are gap, top of the top lower than the metal frame of the microstrip antenna 2, formation height between the inner wall of the metal frame
Difference, the bottom inside that the function divides phase shift feeder panel 3 that the metal frame is arranged in, the antenna liner plate 4 are arranged in the metal
The bottom outside of frame, the coaxial connector 5 are fixed on the antenna liner plate 4 and divide the phase shift feeder panel 3 to be by the function
The microstrip antenna 2 is fed.
Wherein, the medium substrate of the microstrip antenna 2 is high frequency plate or ceramic wafer, and dielectric constant is stablized.It is further excellent
Change properties of product, the gap size between microstrip antenna 2 and metal frame, requirement difference according to product to impedance frequency without
Together；Difference in height between microstrip antenna 2 and metal frame requires different and different according to the elevation angle of jamproof system；As for specific
Numerical value, can by experiment or it is empirically determined, this be those skilled in the art routine techniques.
The function divides phase shift feeder panel 3 to include: that medium substrate and the function being arranged on the medium substrate divide phase shift to feed
Network, for realizing the left-hand circular polarization function or right-handed circular polarization function of the microstrip antenna 2.
Simulation comparison:
1) phase equalization
In conjunction with shown in Fig. 3-Fig. 5, antenna element provided in this embodiment improves significantly than traditional antenna unit.Fig. 5
It is the emulation phase pattern of traditional antenna, from fig. 5, it can be seen that phase pattern consistency is greater than 6 °.Fig. 3 is the present embodiment
The antenna element of offer emulates phase pattern, from figure 3, it can be seen that phase pattern consistency is not more than 3 °.
In addition, in conjunction with Fig. 3, Fig. 5 it can be concluded that traditional antenna unit and antenna element phase directional provided in this embodiment
Consistency contrast table, as shown in table 1.
1. traditional antenna unit of table and antenna element phase directional consistency contrast table provided in this embodiment
As can be seen from the above table: traditional antenna unit in horizontal plane Theta stability at 3~5.4 degree, in vertical plane Phi
Stability is at 1.2~7.2 degree；And antenna element provided in this embodiment in horizontal plane Theta stability at 0.4~2.7 degree,
Vertical plane Phi stability is at 0.1~1.2 degree；Performance is much better than traditional antenna unit.
2) amplitude coincidence
Traditional antenna unit and simulation comparison of the antenna element provided in this embodiment on amplitude coincidence such as 2 institute of table
Show.
2. traditional antenna unit of table and antenna element amplitude coincidence simulation comparison provided in this embodiment
As can be seen from Table 2: traditional antenna element amplitude difference is between 0.15~0.1, antenna provided in this embodiment
For element amplitude difference between 0.03~0.07, consistency is much better than traditional antenna unit.
Emulation is shown with actual use, increases metal enclosure frame to antenna element performance, especially amplitude-phase consistency
It has clear improvement.
Embodiment two
As shown in fig. 6, a kind of anti-jamming array array antenna, working band is in 0.8GHz to 2.7GHz, comprising: reflecting plate 6, with
And several microstrip antenna elements 7 on the reflecting plate 6 are set, which is characterized in that the microstrip antenna element 7 is embodiment
Antenna element described in one.
Wherein, the number of the microstrip antenna element 7 is 11, unevenly arranges and frequency range is not identical.
Anti-jamming array array antenna provided in this embodiment can be applied in flying missile data-link jamproof system, can make
Antenna system is received for 2 pickup of Beidou.Anti-jamming array array antenna provided in this embodiment, it is advantageous that Unit four of different frequency range
It is in autonomous working state, multidirectional anti-interference inhibition, and the antenna element provided with embodiment one can be provided, subtracted
Interfering with each other under few system complex environment, it is consistent consistent with phase with amplitude to effectively improve the elevation gain of antenna, promotion battle array
The multi-faceted anti-interference ability of array antenna.
In other embodiments, the number of the microstrip antenna element arbitrarily selects in 3~16, the micro-strip day
Linear array member is uniformly to structure the formation, and the frequency range of each microstrip antenna element is identical, as shown in fig. 7, being not limited to the present embodiment.
Further, to reduce the coupling between each microstrip antenna element to the greatest extent, between the group battle array of each microstrip antenna element
Away from the half for being no more than aerial radiation wavelength.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the present invention not office
It is limited to above-mentioned specific embodiment, this hair is all fallen within using the improvement of techniques well known and substitution on the basis of the present invention
Bright protection scope, protection scope of the present invention should limit it by each claim and its equivalent.In specific embodiment
The part not illustrated is the prior art or common knowledge.
Claims (10)
1. a kind of raising amplitude-phase consistency anti-interference antenna unit characterized by comprising metal be isolated peripheral frame, microstrip antenna,
Function divides phase shift feeder panel, antenna liner plate and coaxial connector, and the metal isolation peripheral frame is the metal of top opening, all round closure
Frame, the microstrip antenna are arranged in the metal frame, between the surrounding of the microstrip antenna and the inner wall of the metal frame there are
Gap, the top of the microstrip antenna are lower than the top of the metal frame, and the function divides phase shift feeder panel to be arranged in the metal
The bottom outside of the metal frame is arranged in the bottom inside of frame, the antenna liner plate, and the coaxial connector passes through the function
Dividing phase shift feeder panel is microstrip antenna feed.
2. a kind of raising amplitude-phase consistency anti-interference antenna unit according to claim 1, which is characterized in that the micro-strip
The medium substrate of antenna is high frequency plate or ceramic wafer.
3. a kind of raising amplitude-phase consistency anti-interference antenna unit according to claim 1, which is characterized in that the function point
Phase shift feeder panel includes: that medium substrate and the function being arranged on the medium substrate divide phase shift feeding network, described for realizing
The left-hand circular polarization function or right-handed circular polarization function of microstrip antenna.
4. a kind of raising amplitude-phase consistency anti-interference antenna unit according to claim 1, which is characterized in that described coaxial
Connector is fixed on the antenna liner plate.
5. a kind of anti-jamming array array antenna, comprising: reflecting plate, and several microstrip antenna arrays being arranged on the reflecting plate
Member, which is characterized in that the microstrip antenna element is the antenna element as described in any one of claim 1-4.
6. a kind of anti-jamming array array antenna according to claim 5, which is characterized in that the number of the microstrip antenna element
It is 3~16.
7. a kind of anti-jamming array array antenna according to claim 5, which is characterized in that the microstrip antenna element is uniform
Or it unevenly structures the formation.
8. a kind of anti-jamming array array antenna according to claim 5, which is characterized in that the frequency of each microstrip antenna element
Duan Xiangtong or not identical.
9. a kind of anti-jamming array array antenna according to claim 5, which is characterized in that the group of each microstrip antenna element
Battle array spacing is no more than the half of aerial radiation wavelength.
10. a kind of anti-jamming array array antenna according to claim 5, which is characterized in that the day anti-jamming array array antenna
Working band in 0.8GHz to 2.7GHz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910302529.1A CN109888489A (en) | 2019-04-16 | 2019-04-16 | A kind of raising amplitude-phase consistency anti-interference antenna unit and anti-jamming array array antenna |
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| CN201910302529.1A CN109888489A (en) | 2019-04-16 | 2019-04-16 | A kind of raising amplitude-phase consistency anti-interference antenna unit and anti-jamming array array antenna |
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Cited By (2)
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| CN110556624A (en) * | 2019-10-12 | 2019-12-10 | 成都天奥电子股份有限公司 | Unit structure and array structure of mobile communication antenna |
| CN112332114A (en) * | 2020-09-24 | 2021-02-05 | 网络通信与安全紫金山实验室 | Microstrip array antenna for wireless positioning system |
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