CN106569198A - Fan-shaped phased array radar and control method of fan-shaped phased array radar - Google Patents
Fan-shaped phased array radar and control method of fan-shaped phased array radar Download PDFInfo
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- CN106569198A CN106569198A CN201610984093.5A CN201610984093A CN106569198A CN 106569198 A CN106569198 A CN 106569198A CN 201610984093 A CN201610984093 A CN 201610984093A CN 106569198 A CN106569198 A CN 106569198A
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- radar
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- array radar
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- dimensional linear
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- JXASPPWQHFOWPL-UHFFFAOYSA-N Tamarixin Natural products C1=C(O)C(OC)=CC=C1C1=C(OC2C(C(O)C(O)C(CO)O2)O)C(=O)C2=C(O)C=C(O)C=C2O1 JXASPPWQHFOWPL-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
- G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention relates to a fan-shaped phased array radar and a control method of the fan-shaped phased array radar. The fan-shaped phased array radar includes M one-dimensional linear phased array radars; the M one-dimensional linear phased array radars are identical; one end of each of the M one-dimensional linear phased array radars is connected with each other; and an included angle between two one-dimensional linear phased array radars is 180/M or 360-(M-1)/M*180, wherein M satisfies a relational expression that 3<=M<=100. With the fan-shaped phased array radar and the control method of the fan-shaped phased array radar provided by the embodiments of the present invention adopted, two-dimensional scanning can be realized.
Description
Technical field
The present invention relates to laser radar field, more particularly to a kind of fan-shaped phased-array radar and fan-shaped phased-array radar control
Method.
Background technology
Laser radar is the system to launch the characteristic quantities such as the position of detecting laser beam target, speed, is widely used in swashing
Optical detection field.In order to be adapted to two dimension and/or three-dimensional detection, the laser beam that laser radar is launched needs rotation.In order to
Reaching makes the laser beam rotation of laser radar transmitting, can have two ways.One kind is to make laser radar using machinery
Itself rotates, and second is to make the static or geo-stationary of holding laser radar itself, the light beam for only launching laser radar
Change.Phased-array radar is exactly a kind of static or geo-stationary itself, the radar that the light beam only launched changes.
Phased-array radar is generally included：Laser emission and receiving array, for launching and receiving multi-path laser；Thermo-optic tunable
Phase shifter, for controlling the phase place of transmitting light beam, i.e., for the direction of control transmitting light beam.
One-dimension Phased Array radar of the prior art refers to the phased-array radar of plane, typically linear, such as Fig. 1
Shown, benefit is simple structure, has the disadvantage to be only used for one-dimensional scanning.
The content of the invention
A kind of fan-shaped phased-array radar and fan-shaped phased-array radar control method are provided in the embodiment of the present invention, can be realized
Two-dimensional scan.
In order to solve above-mentioned technical problem, the embodiment of the invention discloses following technical scheme：
On the one hand, there is provided a kind of fan-shaped phased-array radar, the fan-shaped phased-array radar include：
M one-dimensional linear phased-array radar, the M one-dimensional linear phased-array radar are identical, and the M one-dimensional linear is phased
One end of battle array radar is connected, and the angle between described two one-dimensional linear phased-array radars isDegree or
Degree；
Wherein, 3≤M≤100.
Optionally, described each one-dimensional linear phased-array radar includes：
Waveguide, the waveguide are straight line；
Multiple antenna emitters, are arranged on waveguide；
Multiple phase shifters, between two neighboring antenna emitter；
Metal wire, is connected with the plurality of phase shifter successively.
Optionally, the phase between the light beam of the multiple antenna emitter transmittings on described each one-dimensional linear phased-array radar
Potential difference is identical.
Optionally, the metal wire is connected with power supply, for control input electrical power.
Optionally, by temperature control, the temperature is controlled the phase place of the phase shifter by the input electric power.
Optionally, the waveguide is silicon.
Optionally, the antenna emitter is copper, or aluminum.
Optionally, the phase shifter is the silicon resistor for adding impurity.
Optionally, the one-dimensional linear phased-array radar includes 8 antenna emitters and 9 phase shifters.
Second aspect, there is provided a kind of fan-shaped phased-array radar control method, methods described are applied to above-mentioned phased array
Radar, methods described include：
Metal wire control input electrical power, controls the temperature of phase shifter by the transmitted power, to control to launch light beam
Phase place.
A kind of fan-shaped phased-array radar is disclosed in embodiments of the invention, the fan-shaped phased-array radar includes M one
Dimensional linear phased-array radar, N number of one-dimensional linear phased-array radar are identical, and the one of N number of one-dimensional linear phased-array radar
End is connected, and the angle between described two one-dimensional linear phased-array radars isDegree orDegree；Wherein, 3
≤M≤100.In the embodiment of the present invention, including multiple one-dimensional linear phased-array radars, each can be controlled respectively one-dimensional phased
The electrical power of battle array radar input, so as to realize the control respectively of multiple One-dimension Phased Array radars, is not disturbed mutually, so as to realize two
Dimension scanning.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can be being obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 show One-dimension Phased Array radar arrangement schematic diagram of the prior art；
Fig. 2 show the structural representation of the fan-shaped phased-array radar of the embodiment of the present invention；
Fig. 3 show the schematic diagram of the phase contrast of the fan-shaped phased-array radar of the embodiment of the present invention.
Specific embodiment
Following examples of the present invention provide a kind of fan-shaped phased-array radar, can realize two-dimensional scan.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 2 show the structural representation of the fan-shaped phased-array radar of the embodiment of the present invention, the fan-shaped phased-array radar
Including：
M one-dimensional linear phased-array radar, the M one-dimensional linear phased-array radar are identical, and the M one-dimensional linear is phased
One end of battle array radar is connected, and the angle between described two one-dimensional linear phased-array radars isDegree orDegree；
Wherein, 3≤M≤100.
In the embodiment of the present invention, each one-dimensional linear phased-array radar includes：
Waveguide, the waveguide are straight line；
Multiple antenna emitters, are arranged on waveguide；
Multiple phase shifters, between two neighboring antenna emitter；
Metal wire, is connected with the plurality of phase shifter successively.
One-dimensional linear phased-array radar in the embodiment of the present invention is one-dimensional linear phased-array radar of the prior art, tool
Body structure is as shown in figure 1, will not be described here.Using one-dimensional linear phased-array radar of the prior art, it is possible to use existing
Material, reduces cost.
In embodiment shown in Fig. 2, including six one-dimensional linear phased-array radars, it is one-dimensional linear phased-array radar respectively
201st, 202,203,204,205,206, one end of this six one-dimensional linear phased-array radars is connected, as shown in A points in Fig. 2.
In embodiment shown in Fig. 2, one has six one-dimensional linear phased-array radars, therefore, one-dimensional linear phased array thunder
It is 30 ° up to the angle between 201 and one-dimensional linear phased-array radar 202, one-dimensional linear phased-array radar 201 and one-dimensional linear phase
Angle between control battle array radar 206 is 210 °.Angle between one-dimensional linear phased-array radar 202 and 201,203 is 30 °,
Remaining repeats no more.
In the embodiment of the present invention, the waveguide is silicon；Antenna emitter is copper, or aluminum；The phase shifter is miscellaneous to add
The silicon resistor of matter.
In the embodiment of the present invention, metal wire is connected with power supply, for control input electrical power.
By temperature control, the temperature is controlled the phase place of phase shifter by the input electric power.
Two-dimensional scan is realized using the phased-array radar of the embodiment of the present invention the following detailed description of how.
First assume there is N number of antenna emitter, position is：
(x1,y1,z1),(x2,y2,z2),...,(xN,yN,zN) (1)
The hypothesis direction of the launch is K, and length is 1, that is, be defined as：
K=(Kx,Ky,Kz) (2)
Wherein, Kx、Ky、KzIt is eligible
Wherein, λ is wavelength.
Define dpjFor the distance of each T/R components correspondence direction of the launch：
Define dpmaxFor { dpjIn maximum：
Assume djFor each antenna emitter and dpmaxThe distance between：
dj=dpmax-dpjJ=1,2 ..., N, (6)
Phase contrast (the phase of each antenna is drawn finallyj) be：
Above-mentioned formula (7) explanation：In the case that the direction of the launch has decided to, the phase contrast between antenna emitter be by
What distance was determined.And be identical due to scanning the distance between antenna emitter of one-dimensional radar, i.e., between antenna emitter
Phase contrast be identical.
When realizing two-dimensional scan, it is desirable to which the phase contrast launched between light beam is identical, so scanning one-dimensional radar by multiple
Altogether, the one-dimensional radar of scanning that every group of phase shifter each draws oneself up, does not interfere with each other, and each one-dimensional radar emission light beam it
Between phase contrast be identical, therefore two-dimensional scan can be realized.
Fig. 3 show the schematic diagram of the phase contrast of the fan-shaped phased-array radar of the embodiment of the present invention, one-dimensional linear phased array
The angle of the transmitting light beam of radar 301 is 40 °, 60 °, 80 ° ..., and the angle of the transmitting light beam of one-dimensional linear phased-array radar 302 is
60°、90°、120°……
Fan-shaped phased-array radar in one embodiment of the present of invention includes six one-dimensional linear phased-array radars, and each one
Dimensional linear phased-array radar was made up of 8 antenna emitters and 9 phase shifters, and whole phased-array radar is launched by 48 antennas
Device and 54 phase shifters are constituted, and by the electrical power of 6 metal line control inputs, an one-dimensional linear phase are controlled per metal line
Control battle array radar, does not disturb each other, therefore the phased-array radar of the present embodiment can scan two-dimentional any angle.
A kind of fan-shaped phased-array radar is disclosed in embodiments of the invention, the phased-array radar includes M one dimensional line
Property phased-array radar, N number of one-dimensional linear phased-array radar are identical, one end phase of N number of one-dimensional linear phased-array radar
Even, the angle between described two one-dimensional linear phased-array radars isDegree orDegree；Wherein, 3≤M≤
100.In the embodiment of the present invention, including multiple one-dimensional linear phased-array radars, each One-dimension Phased Array thunder can be controlled respectively
Up to the electrical power of input, so as to realize the control respectively of multiple One-dimension Phased Array radars, do not disturb mutually, so as to realize that two dimension is swept
Retouch.
It is corresponding with above-mentioned fan-shaped phased-array radar, the embodiment of the invention also discloses a kind of fan-shaped phased-array radar control
Method, methods described are applied to above-mentioned fan-shaped phased-array radar, and methods described includes：
Metal wire control input electrical power, controls the temperature of phase shifter by the transmitted power, to control to launch light beam
Phase place.
The method of the embodiment of the present invention, increased the quantity of outgoing beam, therefore can improve the efficiency of scanning.
A kind of fan-shaped phased-array radar and phased-array radar control method are disclosed in embodiments of the invention, the present invention is real
Apply in example, the phased-array radar includes M one-dimensional linear phased-array radar, N number of one-dimensional linear phased-array radar is identical,
One end of N number of one-dimensional linear phased-array radar is connected, and the angle between described two one-dimensional linear phased-array radars is
Degree orDegree；Wherein, 3≤M≤100.In the embodiment of the present invention, including multiple one-dimensional linear phased array thunders
Reach, the electrical power of each One-dimension Phased Array radar input can be controlled respectively, so as to realize multiple One-dimension Phased Array radars
Control respectively, do not disturb mutually, so as to realize two-dimensional scan.
It is required that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software
Common hardware mode realizing, common hardware includes universal integrated circuit, universal cpu, general-purpose storage, universal elements
Deng, naturally it is also possible to special IC, dedicated cpu, private memory, special components and parts etc. are included come real by specialized hardware
It is existing, but the former is more preferably embodiment in many cases.Based on such understanding, the technical scheme sheet in the embodiment of the present invention
The part for being contributed to prior art in matter in other words can be embodied in the form of software product, and the computer software is produced
Product can be stored in storage medium, such as read only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), magnetic disc, CD etc., using including some instructions so that computer equipment (can be
People's computer, server, or network equipment etc.) perform described in some parts of each embodiment of the invention or embodiment
Method.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for system reality
For applying example, as which is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
Invention described above embodiment, does not constitute limiting the scope of the present invention.It is any in the present invention
Spirit and principle within modification, equivalent and the improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of fan-shaped phased-array radar, it is characterised in that the fan-shaped phased-array radar includes：
M one-dimensional linear phased-array radar, the M one-dimensional linear phased-array radar are identical, the M one-dimensional linear phased array
One end of radar is connected, and the angle between described two one-dimensional linear phased-array radars isOr
Wherein, 3≤M≤100.
2. radar as claimed in claim 1, it is characterised in that described each one-dimensional linear phased-array radar includes：
Waveguide, the waveguide are straight line；
Multiple antenna emitters, are arranged on waveguide；
Multiple phase shifters, between two neighboring antenna emitter；
Metal wire, is connected with the plurality of phase shifter successively.
3. radar as claimed in claim 1 or 2, it is characterised in that the multiple days on described each one-dimensional linear phased-array radar
Phase contrast between the light beam of line emitter transmitting is identical.
4. the radar as described in any one of claims 1 to 3, it is characterised in that the metal wire is connected with power supply, for controlling
Input electric power.
5. radar as claimed in claim 4, it is characterised in that the phase place of the phase shifter by temperature control, the temperature by
The input electric power control.
6. the radar as described in any one of claim 1 to 5, it is characterised in that the waveguide is silicon.
7. the radar as described in any one of claim 1 to 6, it is characterised in that the antenna emitter is copper, or aluminum.
8. the radar as described in any one of claim 1 to 7, it is characterised in that the phase shifter be plus impurity silicon resistor.
9. the radar as described in any one of claim 1 to 8, it is characterised in that the one-dimensional linear phased-array radar includes 8
Antenna emitter and 9 phase shifters.
10. a kind of fan-shaped phased-array radar control method, it is characterised in that methods described is applied to the claims 1 to 9
Phased-array radar described in one, methods described include：
Metal wire control input electrical power, controls the temperature of phase shifter by the transmitted power, to control to launch the phase of light beam
Position.
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| CN201610984093.5A CN106569198A (en) | 2016-11-07 | 2016-11-07 | Fan-shaped phased array radar and control method of fan-shaped phased array radar |
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| CN201610984093.5A CN106569198A (en) | 2016-11-07 | 2016-11-07 | Fan-shaped phased array radar and control method of fan-shaped phased array radar |
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ID=58540693
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Application publication date: 20170419 |