CN106911013A - Array antenna and antenna system - Google Patents
Array antenna and antenna system Download PDFInfo
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- CN106911013A CN106911013A CN201510979037.8A CN201510979037A CN106911013A CN 106911013 A CN106911013 A CN 106911013A CN 201510979037 A CN201510979037 A CN 201510979037A CN 106911013 A CN106911013 A CN 106911013A
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- array antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of array antenna and antenna system.The array antenna forms a main beam, and the main beam includes towards a beam direction, the array antenna：Multiple radiant bodies, the plurality of radiant body has multiple center lines, and the plurality of radiant body is arranged in a straight line, and the straight line runs through the plurality of center line；And multiple sinuous parts, the plurality of radiant body of the plurality of sinuous part connection；Wherein, the array antenna is arranged at one first plane, the deviation angle with non-zero-degree between the beam direction and a normal direction, and the normal direction is perpendicular to first plane.Antenna system of the invention can reach identical detection range in horizontal plane and vertical plane.
Description
Technical field
The present invention relates to a kind of array antenna and antenna system, espespecially one kind is in the horizontal direction and vertical direction reaches identical inspection
Survey the array antenna and antenna system of scope.
Background technology
Array antenna is the antenna system that multiple identical antennas are rearranged according to certain rules, and by adjusting array antenna in
The disposing way of antenna module, can make array antenna reach specific radiation pattern, and main beam is concentrated on into specific direction passes
Delivery signal.For example, for Vehicle radar system, its array antenna is typically set at carries out two-dimensional detection to horizontal direction.
However, in actual applications, only the two-dimensional detection of horizontal direction may be subject to from higher than horizontal plane object (such as billboard,
Traffic sign, bridge, building etc.) reflection, due to the limitation of hardware, often result in false alarm (False Alarm),
And reduce system effectiveness.In this case, if the radio system that Vehicle radar system provides tool 3-D scanning function can be directed to,
The detection of level and vertical direction is carried out simultaneously, it will help differentiate the reflection from horizontal or vertical direction, increasing system can
By degree, further reduce mistake and transmit messages rate.
Traditionally, the mode that increase the detection function most intuition of different directions is to increase by a group pattern antenna in addition, and is adjusted
The disposing way of antenna module, is detected with for vertical direction.However, Vehicle radar system is to receive and dispatch wireless signal
The applications such as device is arranged inside car insurance bar or fan grid cover to be found range, information exchange.Due in car insurance bar
Shock-absorbing Poly Foam or glass fibre etc. would generally be set, and free space is extremely limited, increase by a group pattern antenna to extra,
There certainly will be many difficulty.What is more, if the sales target of Vehicle radar system is market after car, that is, radar supplier will
Cannot participative decision making bumper bar material and thickness, in this case, in order to as far as possible be applicable major part vehicle, array antenna
The design requirement of gain, area, radiation pattern etc. will be more strict.
Known technology has been developed the dual polarized antenna system for including horizontally-polarized antenna and vertical polarized antenna, to provide
3-D scanning function both horizontally and vertically.It is well known, however, that the horizontally-polarized antenna and vertical polarization of dual polarized antenna system
Antenna is unable to reach identical detection range so that system effectiveness reduction.In addition, the horizontal polarization day of dual polarized antenna system
Line and vertical polarized antenna need Separate designs, and need to realize that it has higher by special stack architecture on processing procedure
Design complexities and production cost.
Therefore, how in the horizontal direction and vertical direction reaches identical detection range, it has also become the target that industry is made great efforts it
One.
It is thus desirable to provide a kind of array antenna meets the demand with antenna system.
The content of the invention
Therefore, the main object of the present invention be provide it is a kind of in the horizontal direction and vertical direction reaches identical detection range
Array antenna and antenna system, to improve the shortcoming of known technology.
The present invention discloses a kind of array antenna, and the array antenna forms a main beam, and the main beam, should towards a beam direction
Array antenna includes：Multiple radiant bodies, the plurality of radiant body has multiple center lines, and the plurality of radiant body is arranged in a straight line,
The straight line runs through the plurality of center line；And multiple sinuous parts (Meander), the plurality of radiation of the plurality of sinuous part connection
Body；Wherein, the array antenna is arranged at one first plane, with non-zero-degree one between the beam direction and a normal direction
Deviation angle, the normal direction is perpendicular to first plane.
Invention additionally discloses a kind of antenna system, one first plane is arranged at, includes an at least offset array antenna, formed
At least one skew main beam, at least one skew main beam direction at least offset beam direction；And at least one first array
Antenna, forms at least one first main beam, at least one first main beam direction at least one first beam direction；Wherein, should
At least one first beam direction has the differential seat angle of non-zero with an at least offset beam direction.
Invention additionally discloses a kind of antenna system, the antenna system is arranged at one first plane, and the antenna system includes：At least
A burst of array antenna, at least an array antenna forms an at least main beam, an at least main beam direction at least beam direction；
And an at least offset array antenna, the skew main beam of at least offset array antenna formation at least one, at least one skew
A main beam direction at least offset beam direction；Wherein, an at least beam direction has with an at least offset beam direction
The differential seat angle of non-zero.
The present invention multiple radiant bodies of part series winding that wriggle, make the beam direction of its main beam offset its normal side for setting plane
To, and detected using the scanner uni that the array antenna for forming different beams direction carries out vertical direction so that antenna of the invention
System can reach identical detection range in horizontal plane and vertical plane.
Brief description of the drawings
Figure 1A is the top view of a burst of array antenna of the embodiment of the present invention.
Figure 1B is the isometric view of a burst of array antenna of the embodiment of the present invention.
Fig. 2 is the top view of the antenna system of the embodiment of the present invention one.
Fig. 3 is the antenna radiation patterns figure of the antenna system of Fig. 2.
Fig. 4 is the top view of the antenna system of the embodiment of the present invention one.
Fig. 5 is the top view of the antenna system of the embodiment of the present invention one.
Fig. 6 is the antenna radiation patterns figure of the array antenna of Figure 1A.
Fig. 7 is a difference of the antenna system of Fig. 2 and compares schematic diagram.
Primary clustering symbol description：
10th, 200,202,204,402,504, array antenna
600~616,701~708
20th, 40,50,60,70 antenna system
FD_a, FD_b, FD_1 load point
MLB_a, MLB_b, MLB_2, MLB_4 main beam
D_a, D_b, D_2, D_4 beam direction
N normal directions
θa、θbAngle
θ differential seat angles
PA, PA0, PA2, PA4 radiant body
MD wriggles part
LS center lines
LN, LN0, LN2, LN4 straight line
PC, PC0, PC2, PC4 phase center
PCL phase center lines
DS air line distances
X, Y, Z reference axis
The sides of S1 first
The sides of S2 second
DE, DA direction
Specific embodiment
Refer to Figure 1A and Figure 1B, Figure 1A and Figure 1B is the top view and isogonism of a burst of array antenna 10 of the embodiment of the present invention
View, for convenience of explanation, Figure 1A and Figure 1B is labeled with the coordinate system of X, Y, Z axis.Array antenna 10 is included
There are multiple radiant body PA and multiple sinuous part (Meander) MD, the sinuous part MD of multiple to be used for connecting multiple radiant bodies
PA, multiple radiant body PA are arranged in straight line a LN, each radiant body PA has a center line LS (i.e. multiple radiant bodies
PA has multiple center line LS), straight line LN connects through (or series winding) multiple center line LS, the sinuous part MD of multiple
Multiple radiant body PA are met, the two ends of the sinuous part MD of multiple are respectively connecting to the center line LS of radiant body PA.Array antenna
10 have a phase center PC, and array antenna 10 is symmetrical in phase center PC.There is line-spacing always between radiant body PA
From DS, the part MD of wriggling has a length L_MD, length L_MD more than air line distance DS and length L_MD with it is straight
There is a length difference δ, length difference δ to be more than zero between linear distance DS.In one embodiment, length difference δ can be relevant to battle array
The wavelength X of the electromagnetic wave that array antenna 10 is transmitted, for example, length difference δ can be 0.11 times of wavelength.The sinuous part MD of multiple
A phase difference can be formed between multiple radiant body PAPhase differenceLength L_MD to sinuous part MD is directly proportional,
The length L_MD of i.e. sinuous part MD is more long, phase differenceIt is bigger.Specifically, Fig. 6 is refer to, Fig. 6 is array day
The antenna radiation patterns figure of line 10, wherein, dotted line and heavy black representative are when the length of the sinuous part MD of array antenna 10
Radiation pattern when L_MD is more than air line distance DS (i.e. length difference δ is more than zero) between radiant body PA, and thin black line
Represent the radiation pattern when length difference δ is equal to zero, it will be appreciated from fig. 6 that the length L_MD of the part MD of wriggling and straight line away from
Length difference δ between DS can cause phase differenceAnd then make the main beam that array antenna 10 is formed that there is angle to offset.
Specifically, array antenna 10 may be disposed at one first plane being made up of X-axis and Y-axis, and the first plane has
One normal direction N, normal direction N are perpendicular to the first plane (i.e. parallel to Z axis).In general, array antenna 10
Can form a main beam (Mainlobe) MLB, and main beam MLB is towards a beam direction D, beam direction D and method
A deviation angle θ with non-zero-degree between the N of line direction.By taking Figure 1B as an example, when array antenna 10 is by a load point FD_b
When (i.e. one end of array antenna 10) carries out feed-in, array antenna 10 can form a main beam MLB_a, and main beam
MLB_a has a deviation angle of non-zero-degree towards a beam direction D_a between beam direction D_a and normal direction N
θa；When array antenna 10 carries out feed-in by a load point FD_a (i.e. the other end of array antenna 10), array antenna
10 can form a main beam MLB_b, and main beam MLB_b is towards a beam direction D_b, beam direction D_b and method
A deviation angle θ with non-zero-degree between the N of line directionb。
In short, array antenna 10 makes to form phase difference between radiant body PA using the part MD that wrigglesConsequently, it is possible to
The beam direction D of the main beam MLB that array antenna 10 is formed can offset the normal direction N of the first plane.Array day
Line 10 can be applied in an antenna system.Refer to Fig. 2 and Fig. 3, Fig. 2 is the antenna system 20 of the embodiment of the present invention one
Top view, Fig. 3 is the antenna radiation patterns figure of antenna system 20, and Fig. 2 and Fig. 3 is also labeled with the coordinate of X, Y, Z axis
System.Antenna system 20 is frequency modulation continuous wave FMCW (the Frequency-Modulated Continuous that a hair two is received
Wave) radar antenna system, it is arranged at one first plane being made up of X-axis and Y-axis.Antenna system 20 can be answered
For Vehicle radar system, it can be vertically installed in inside car insurance bar or fan grid cover, and antenna system 20 is passed comprising one
Sending array antenna 200, the offset array antenna 204 of a burst of array antenna 202 and, offset array antenna 204 can utilize battle array
Array antenna 10 realizes that transmission array antenna 200 is used for transmitting a signal, array antenna 202 and offset array antenna 204
For receiving reflected signal.Specifically, array antenna 202 forms a main beam MLB_2, main beam MLB_2 directions
One beam direction D_2, and offset array antenna 204 forms one and offsets main beam MLB_4, skew main beam MLB_4 courts
To an offset beam direction D_4, beam direction D_2 and offset beam direction D_4 has a differential seat angle θ of non-zero.
Specifically, transmission array antenna 200 includes multiple transmission radiant body PA0 and multiple straight line connector CN, many
Individual transmission radiant body PA0 is arranged in a straight line LN0, and transmission array antenna 200 has a transmission phase center PC0, passes
Array antenna 200 is sent to be symmetrical in transmission phase center PC0；Array antenna 202 includes multiple radiant body PA2, multiple spokes
Beam PA2 is arranged in a straight line LN2, and array antenna 202 has a phase center PC2, and array antenna 202 is symmetrical in
Phase center PC2；Offset array antenna 204 includes multiple offset radiation body PA4 and multiple sinuous part MD, multiple inclined
Move radiant body PA4 and be arranged in an offset linear LN4, offset array antenna 204 has an offset phase center PC4, partially
Move array antenna 204 and be symmetrical in offset phase center PC4.Straight line LN0, LN2, LN4 are parallel to each other, in transmission phase
Heart PC0, phase center PC2 and offset phase center PC4 are mutually aligned in a phase center line PCL, phase center line PCL
It is vertical with straight line LN0, LN2, LN4.
It is noted that multiple radiant body PA2 is mutually concatenated into using multiple straight line connector CN in array antenna 202
One sequence so that corresponding to main beam MLB_2 beam direction D_2 parallel to the first plane normal direction N (i.e. Z
Direction of principal axis)；And multiple offset radiation body PA4 is mutually contacted using multiple sinuous part MD in offset array antenna 204
Into a sequence, the sinuous part MD of multiple forms phase difference between radiant body PASo that correspondence skew main beam MLB_4
Offset beam direction D_4 and beam direction D_2 between have non-zero differential seat angle θ.
Further, antenna system 20 also includes a processing unit 206, and processing unit 206 is coupled to transmission array day
Line 200, array antenna 202, offset array antenna 204, i.e. processing unit 206 are coupled to by multiple load point FD_1
Transmission array antenna 200, array antenna 202, offset array antenna 204.In antenna system 20, multiple load point FD_1
All positioned at one first side S1 of antenna system 20, that is, transmit array antenna 200, array antenna 202, offset array antenna
204 all by the first side S1 feed-ins of antenna system 20.Processing unit 206 is operable in an amplitude-comparison monopulse pattern
(Amplitude-Comparison Mono-Pulse) or phase comparison monopulse pattern (Phase-Comparison
Mono-Pulse).In one embodiment, antenna system 20 is arranged at an X/Y plane, because of array antenna 202 and skew
Array antenna 204 have on the first direction DE parallel to an XZ planes different angles main beam MLB_2,
MLB_4, antenna system 20 can be operated in by transmitting array antenna 200, array antenna 202, offset array antenna 204
Amplitude-comparison monopulse pattern, is recognized with the detection that object is carried out on XZ planes (first direction DE) with angle.Meanwhile,
Main beam MLB_2, MLB_4 do not have differential seat angle, therefore antenna in the second direction DA parallel to a YZ planes
System 20 can operate in phase comparison monopulse mould by transmitting array antenna 200, array antenna 202, offset array antenna 204
Formula, the detection and angle that object is carried out on YZ planes (second direction DA) is recognized.Specifically, aerial system is worked as
When system 20 is vertically installed in a vertical plane, i.e., X/Y plane is a vertical plane, and YZ planes are a horizontal plane, first party
A vertical direction (Elevation Direction) is to DE, and second direction DA is a horizontal direction (Azimuth
Direction), first direction DE is vertical with second direction DA.
Fig. 7 is refer to, when Fig. 7 operates in amplitude-comparison monopulse pattern for antenna system 20 one differs from and than (Delta-Sum
Ratio, Δ/Σ) schematic diagram, as shown in Figure 7, antenna system 20 can carry out detection and the angle of object in XZ planes
Degree identification, and angle identification scope is about positive and negative 10 degree.
In addition, Fig. 4 is refer to, Fig. 4 is the top view of the antenna system 40 of the embodiment of the present invention one, and Fig. 4 is also indicated
There is the coordinate system of X, Y, Z axis.Antenna system 40 is similar to antenna system 20, therefore same components continue to use same-sign.
From unlike antenna system 20, antenna system 40 also includes a burst of array antenna 402, and array antenna 402 is used for receiving anti-
The antenna system that signal, i.e. antenna system 40 are received for a hair three is penetrated, array antenna 402 has identical with array antenna 202
Structure, i.e. array antenna 202,402 forms main beam towards the beam direction parallel with Z axis.Antenna system 40 can
Phase comparison monopulse pattern is operated in array antenna 202,402 by transmitting array antenna 200, meanwhile, antenna system 40
Can be by transmitting array antenna 200 and array antenna 202 and offset array antenna 204 (or by transmitting array antenna 200
With array antenna 402 and offset array antenna 204) operate in amplitude-comparison monopulse pattern.Similarly, when antenna system 40
When being arranged at vertical plane, antenna system 40 can be using phase comparison monopulse pattern in the second direction DA parallel to YZ planes
On carry out the detection of object and recognized with angle, while antenna system 40 can be using amplitude-comparison monopulse pattern in XZ planes
The detection and angle for carrying out object are recognized.It is noted that in antenna system 20, the YZ of offset array antenna 204
Component in plane has the gain smaller than array antenna 202, causes detecting distance shorter；By contrast, antenna system
20 increase the gain parallel to YZ planes using array antenna 202,402, increase the detecting distance in YZ planes.Separately
Outward, using array antenna 202,402 and offset array antenna 204, totally three array antennas receive reflection to antenna system 40
Signal, and phase comparison monopulse pattern and amplitude-comparison monopulse pattern are operated in respectively using different array antennas, therefore, compared to day
Linear system system 20, antenna system 40 have when the angle for carrying out first direction DE and second direction DA is detected preferably every
From degree.
In addition, refer to Fig. 5, Fig. 5 is the top view of the antenna system 50 of the embodiment of the present invention one, Fig. 5 be also labeled with X,
The coordinate system of Y, Z axis.Antenna system 50 is similar to antenna system 40, therefore same components continue to use same-sign.With day
Linear system system 40 unlike, antenna system 50 also include an offset array antenna 504, offset array antenna 504 have with
The identical structure of offset array antenna 204, offset array antenna 504 is also used for receiving reflected signal, i.e. antenna system 50
It is the antenna system of one transmitter and four receiverses.In addition, the feed-in position of offset array antenna 504 and transmission array antenna 200, array
The feed-in position of antenna 202,402 and offset array antenna 204 is different, in other words, transmits array antenna 200, battle array
Array antenna 202,402 and offset array antenna 204 be by antenna system 50 load point be located at one first side S1 (i.e. by
First side S1 is coupled to a processing unit 506 of antenna system 50), and offset array antenna 504 is by antenna system 50
Load point be located at one second side S2 (processing unit 506 of antenna system 50 is coupled to by the second side S2).Should be noted
, offset array antenna 204 is different from the feed-in position of offset array antenna 504, cause offset array antenna 204,
504 main beams for being formed offset the positive-angle of Z axis one and a negative angle respectively, and in response to different application, antenna system 50 can
Amplitude-comparison monopulse pattern is operated in offset array antenna 204,504 so that antenna system by transmitting array antenna 200
50 have broader scanner uni detection angles in XZ planes compared to antenna system 40.
It is noted that previous embodiment is to illustrate idea of the invention, those of ordinary skill in the art should according to this
Do different modifications, and not limited to this.For example, in fig. 4, antenna system 40 is not limited by transmission array day
Line 200 and array antenna 202,402 operate in phase comparison monopulse pattern, if antenna system 40 by array antenna 202,
402 and the two reception reflected signals wherein of offset array antenna 204, the processing unit 206 of antenna system 40 is i.e. controllable
Antenna system 40 operates in phase comparison monopulse pattern, that is to say, that antenna system 40 by array antenna 202,402 and
Wantonly two array antenna therein of offset array antenna 204 operates in phase comparison monopulse pattern, also belongs to scope of the invention.
In addition, in Figure 5, antenna system 50 be not limited by transmission array antenna 200 and offset array antenna 204,
504 operate in amplitude-comparison monopulse pattern, as long as antenna system 50 passes through that wantonly two array antenna in different beams direction can be formed
Reflected signal is received, the i.e. controllable antenna system 50 of processing unit 206 of antenna system 50 operates in amplitude-comparison monopulse pattern.
For example, antenna system 50 can be by a burst of array antenna therein of array antenna 202,402 and offset array antenna
204th, 504 offset array antennas therein receive reflected signal, and antenna system 50 is operable in amplitude-comparison monopulse pattern,
Also belong to scope of the invention.In addition, antenna system 50 can by array antenna 202,402 and offset array antenna 204,
504 wantonly two array antenna receiveds reflected signals therein, the i.e. controllable antenna system of processing unit 206 of antenna system 50
50 operate in phase comparison monopulse pattern, also belong to scope of the invention.
In sum, the present invention multiple radiant bodies of part series winding that wriggle, make the beam direction of its main beam offset it and set plane
Normal direction, and using the array antenna for forming different beams direction carry out vertical direction scanner uni detect so that this hair
Bright antenna system can reach identical detection range in horizontal plane and vertical plane.
The foregoing is only presently preferred embodiments of the present invention, every equivalent variations done according to claims of the present invention with repair
Decorations, should all belong to covering scope of the invention.
Claims (17)
1. a kind of array antenna, the array antenna forms a main beam, and the main beam is towards a beam direction, the array day
Line includes：
Multiple radiant bodies, the plurality of radiant body has multiple center lines, and the plurality of radiant body is arranged in a straight line, and the straight line is passed through
Wear the plurality of center line；And
The sinuous part of multiple, the plurality of sinuous part connects the plurality of radiant body；
Wherein, the array antenna is arranged at one first plane, with non-zero-degree one between the beam direction and a normal direction
Deviation angle, the normal direction is perpendicular to first plane.
2. array antenna as claimed in claim 1, the wherein array antenna have a phase center, the array antenna pair
Claim in the phase center.
3. array antenna as claimed in claim 1, wherein the length of the plurality of sinuous part is relevant to the big of the deviation angle
It is small.
4. array antenna as claimed in claim 1, wherein array antenna carries out feed-in by one end of the array antenna.
5. a kind of antenna system, the antenna system is arranged at one first plane, and the antenna system includes：
At least a burst of array antenna, at least an array antenna forms an at least main beam, at least main beam direction at least
Beam direction；And
An at least offset array antenna, an at least offset array antenna forms at least one and offsets main beam, at least one skew
A main beam direction at least offset beam direction；
Wherein, an at least beam direction has the differential seat angle of non-zero with an at least offset beam direction.
6. antenna system as claimed in claim 5, wherein each offset array antenna of an at least offset array antenna
Including：
Multiple offset radiation bodies, the plurality of offset radiation body has multiple center lines, and it is inclined that the plurality of offset radiation body is arranged in one
Straight line is moved, the offset linear runs through the plurality of center line；And
The sinuous part of multiple, the plurality of sinuous part connects the plurality of offset radiation body；
Wherein, this has an at least deviation angle of non-zero-degree, the method at least between an offset beam direction and a normal direction
Line direction is perpendicular to first plane.
7. antenna system as claimed in claim 6, wherein the length of the plurality of sinuous part is relevant to an at least deviation angle
The size of degree.
8. antenna system as claimed in claim 6, wherein each array antenna of at least a burst of array antenna include multiple
First radiant body and multiple straight line connectors, the plurality of first radiant body are arranged in a first straight line, the plurality of straight line connection
Part connects the plurality of first radiant body, and the first straight line is parallel to each other with the offset linear.
9. antenna system as claimed in claim 5, wherein an at least offset array antenna have an at least offset phase
Center, at least a burst of array antenna has an at least first phase center, an at least offset phase center with this at least 1 the
One phase center is mutually aligned.
10. antenna system as claimed in claim 5, wherein an at least offset array antenna include one first offset array
Antenna and one second offset array antenna, the feed-in position of the first offset array antenna is one first side of the antenna system,
The feed-in position of the second offset array antenna is one second side of the antenna system.
11. antenna systems as claimed in claim 5, also include：
One transmission array antenna, the transmission array antenna is used for transmitting a signal；
One processing unit, the processing unit is coupled to an at least offset array antenna, at least a burst of array antenna and the transmission
Array antenna；
Wherein, the processing unit controls an at least offset array antenna, at least a burst of array antenna and the transmission array day
Line so that the antenna system operates in an amplitude-comparison monopulse pattern or a phase comparison monopulse pattern.
12. antenna systems as claimed in claim 11, wherein when the antenna system operates in the amplitude-comparison monopulse pattern,
The antenna system carries out angle identification in one first plane.
13. antenna systems as claimed in claim 12, wherein when the antenna system operates in the phase comparison monopulse pattern,
The antenna system carries out angle identification in one second plane, and second plane is vertical with first plane.
14. antenna systems as claimed in claim 11, the wherein antenna system are using an at least offset array antenna
One first array antenna of one first offset array antenna and at least a burst of array antenna, operates in the amplitude-comparison monopulse pattern；
The antenna system utilizes the first offset array antenna and first array antenna, operates in the phase comparison monopulse pattern.
15. antenna systems as claimed in claim 11, the antenna system utilizes one first gust of at least a burst of array antenna
One of array antenna, one second array antenna, and an at least offset array antenna one first offset array antenna,
Operate in the amplitude-comparison monopulse pattern；The antenna system is using first array antenna, second array antenna, this is first inclined
Two wherein of array antenna are moved, the phase comparison monopulse pattern is operated in.
16. antenna systems as claimed in claim 11, the antenna system utilizes one first gust of at least a burst of array antenna
One of array antenna, one second array antenna, and an at least offset array antenna one first offset array antenna,
One of one second offset array antenna, operates in the amplitude-comparison monopulse pattern；The antenna system is using first array day
Line, second array antenna, the first offset array antenna, the second offset array antenna wherein two, operate in the ratio
Phase single pulse mode.
17. antenna systems as claimed in claim 11, the antenna system is using the one the of an at least offset array antenna
One offset array antenna and one second offset array antenna, operate in the amplitude-comparison monopulse pattern；The antenna system using this
A burst of array antenna, second array antenna, the first offset array antenna, the second offset array antenna wherein two, behaviour
Make in the phase comparison monopulse pattern, the feed-in position of wherein the first offset array antenna is one first side of the antenna system,
The feed-in position of the second offset array antenna is one second side of the antenna system.
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| CN201510979037.8A CN106911013B (en) | 2015-12-23 | 2015-12-23 | Array antenna and antenna system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979037.8A CN106911013B (en) | 2015-12-23 | 2015-12-23 | Array antenna and antenna system |
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| CN106911013A true CN106911013A (en) | 2017-06-30 |
| CN106911013B CN106911013B (en) | 2020-06-12 |
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| CN109412668A (en) * | 2018-12-19 | 2019-03-01 | 惠州Tcl移动通信有限公司 | Array antenna beam adjustment equipment, system and adjusting method |
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| CN106911013B (en) | 2020-06-12 |
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