CN112782698A - Small-size electric scanning small-target detection radar - Google Patents
Small-size electric scanning small-target detection radar Download PDFInfo
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- CN112782698A CN112782698A CN202011632820.4A CN202011632820A CN112782698A CN 112782698 A CN112782698 A CN 112782698A CN 202011632820 A CN202011632820 A CN 202011632820A CN 112782698 A CN112782698 A CN 112782698A
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 230000005855 radiation Effects 0.000 claims abstract description 66
- 239000011159 matrix material Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
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Classifications
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- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
-
- 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention relates to a small-sized electrically scanned small target detection radar.N first antenna radiating units are opposite in the surface and are circumferentially arranged around a transmitter to form first radiating lobes in N directions; each second antenna radiation unit is correspondingly arranged at the outer section of each first antenna radiation unit and is tangent, and N second antenna radiation units are arranged circumferentially to form N second radiation lobes in the directions; according to the invention, by changing the shape of the radiation antenna, when a target object is met, the first antenna radiation unit is a transmission wave in the prior art, and the main purpose of the first antenna radiation unit is to rebound for a worker to calculate the distance; the second radiating element is an improved technology of the application, and is non-fluctuating straight-line propagation, when the second radiating element meets an object, the second radiating element is folded back under the action of the transmitted wave of the first radiating element, and at the moment, the shape of the second radiating element is changed. The worker can judge the size and the specific form of the target object through the foldback pattern.
Description
Technical Field
The invention relates to a small electric scanning small target detection radar, and belongs to the technical field of airport airspace security.
Background
The flying bird is the traditional potential safety hazard in airport clearance area, and the prevention of the flying bird is an international problem threatening flight safety for a long time. With the continuous increase of the flight quantity and the continuous improvement of the ecological environment, the working pressure of bird strike prevention of airports in China is higher and higher. At present, radar is an important technical means for observing bird conditions.
For bird-detecting radar, birds are the main target for detection. Therefore, a small electrically scanned small target detection radar is required.
Disclosure of Invention
In order to solve the technical problems, the invention provides a small electric scanning small target detection radar, which has the following specific technical scheme: the antenna comprises a transmitting/receiving integrated machine, N first antenna radiation units and N second antenna radiation units; the N first antenna radiating units are opposite in surface and circumferentially arranged around the transmitter to form first radiating lobes in N directions; each second antenna radiation unit is correspondingly arranged at the outer section of each first antenna radiation unit and is tangent, and N second antenna radiation units are arranged circumferentially to form N second radiation lobes in the directions;
the transmitting/receiving integrated machine is connected with the N first antenna radiation units and the N second antenna radiation units through N matrix switches, and each matrix switch is used for controlling the connection and disconnection of one group of first antenna radiation units and one group of second antenna radiation units;
the transmitting/receiving integrated machine controls the second antenna radiation unit and the first antenna radiation unit to continuously transmit signals through the matrix switch, and N first directions and N second directions continuously transmit signals to search a target; when the target object is met, the signal is reflected, the first direction signal and the second direction signal are changed, and the target direction and the target form can be determined.
Further, the first antenna radiation unit and the second antenna radiation unit adopt a printing dipole antenna radiation unit.
Further, the N matrix switches are PIN diode matrix switches.
Furthermore, the circle center of the circumferential plane where the N antenna radiation units are located is provided with a microstrip rectangular patch antenna, and the microstrip rectangular patch antenna is connected to the transmitter through a matrix switch.
Furthermore, the included angle between the plane of the first antenna radiation unit and the horizontal plane is 30 degrees, and the amplitude of the second antenna radiation unit is greater than that of the first antenna radiation unit.
Furthermore, the sending/receiving integrated machine sends the first antenna radiation unit signal and the second antenna radiation unit signal
The invention has the beneficial effects that: according to the invention, by changing the shape of the radiation antenna, when a target object is met, the first antenna radiation unit is a transmission wave in the prior art, and the main purpose of the first antenna radiation unit is to rebound for a worker to calculate the distance; the second radiating element is an improved technology of the application, and is non-fluctuating straight-line propagation, when the second radiating element meets an object, the second radiating element is folded back under the action of the transmitted wave of the first radiating element, and at the moment, the shape of the second radiating element is changed. The worker can judge the size and the specific form of the target object through the foldback pattern.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
in the figure: 1-sending/receiving integrated machine, 2-first antenna radiating unit, 3-second antenna radiating unit.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the small electrically scanned small target detection radar includes a transmitting/receiving integrated machine 1, N first antenna radiation units 2, and N second antenna radiation units 3; the N first antenna radiating units 1 are opposite in surface and arranged circumferentially around the transmitter 2 to form first radiating lobes in N directions; each second antenna radiation unit 3 is correspondingly arranged at the outer section of each first antenna radiation unit 1 and is tangent, and N second antenna radiation units 2 are arranged circumferentially to form N directional second radiation lobes;
the transmitting/receiving integrated machine 1 is connected with N first antenna radiating units 2 and N second antenna radiating units 3 through N matrix switches, and each matrix switch is used for controlling the connection and disconnection of a group of first antenna radiating units and second antenna radiating units;
the transmitting/receiving integrated machine controls the second antenna radiation unit 3 and the first antenna radiation unit 2 to continuously transmit signals through the matrix switch, and N first directions and N second directions continuously transmit signals to search a target; when the target object is met, the signal is reflected, the first direction signal and the second direction signal are changed, and the target direction and the target form can be determined. The first antenna radiation element 2 and the second antenna radiation element 3 adopt printed dipole antenna radiation elements. And the N matrix switches adopt PIN diode matrix switches. The circle center of the circumferential plane where the N antenna radiation units are located is provided with a microstrip rectangular patch antenna, and the microstrip rectangular patch antenna is connected to a transmitter through a matrix switch. The included angle between the plane of the first antenna radiation unit 2 and the horizontal plane is 30 degrees, and the amplitude of the second antenna radiation unit 3 is greater than that of the first antenna radiation unit 2. The sending/receiving integrated machine sends out signals of the first antenna radiation unit 2 and signals of the second antenna radiation unit 3.
A first antenna radiating element 2, which is responsible for transmission, and a second antenna radiating element 3, which is responsible for form. The combination is used in radar, and the distance and the morphological characteristics of the target can be obtained.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A small-sized electrically scanned small-target detection radar characterized in that: the antenna comprises a transmitting/receiving integrated machine, N first antenna radiation units and N second antenna radiation units; the N first antenna radiating units are opposite in surface and circumferentially arranged around the transmitter to form first radiating lobes in N directions; each second antenna radiation unit is correspondingly arranged at the outer section of each first antenna radiation unit and is tangent, and N second antenna radiation units are arranged circumferentially to form N second radiation lobes in the directions;
the transmitting/receiving integrated machine is connected with the N first antenna radiation units and the N second antenna radiation units through N matrix switches, and each matrix switch is used for controlling the connection and disconnection of one group of first antenna radiation units and one group of second antenna radiation units;
the transmitting/receiving integrated machine controls the second antenna radiation unit and the first antenna radiation unit to continuously transmit signals through the matrix switch, and N first directions and N second directions continuously transmit signals to search a target; when the target object is met, the signal is reflected, the first direction signal and the second direction signal are changed, and the target direction and the target form can be determined.
2. The small electrically scanned small-target detection radar as recited in claim 1, wherein: the first antenna radiating element and the second antenna radiating element adopt printing dipole antenna radiating elements.
3. The small electrically scanned small-target detection radar as recited in claim 1, wherein: and the N matrix switches adopt PIN diode matrix switches.
4. The small electrically scanned small-target detection radar as recited in claim 1, wherein: the circle center of the circumferential plane where the N antenna radiation units are located is provided with a microstrip rectangular patch antenna, and the microstrip rectangular patch antenna is connected to a transmitter through a matrix switch.
5. The small electrically scanned small-target detection radar as recited in claim 1, wherein: the included angle between the plane where the first antenna radiation unit is located and the horizontal plane is 30 degrees, and the amplitude of the second antenna radiation unit is larger than that of the first antenna radiation unit.
6. The detection method of the small electric scanning small target detection radar is characterized in that: the sending/receiving integrated machine sends the first antenna radiation unit signal and the second antenna radiation unit signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011632820.4A CN112782698B (en) | 2020-12-31 | Small electric scanning small target detection radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011632820.4A CN112782698B (en) | 2020-12-31 | Small electric scanning small target detection radar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112782698A true CN112782698A (en) | 2021-05-11 |
| CN112782698B CN112782698B (en) | 2024-05-31 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2150714C1 (en) * | 1999-05-17 | 2000-06-10 | Военный университет войсковой противовоздушной обороны Вооруженных Сил Российской Федерации | Method of measurement of cross-sectional dimensions of radar objects in real time |
| US20040119636A1 (en) * | 2002-12-20 | 2004-06-24 | Edvardsson Kurt Olov | Method and apparatus for radar-based level gauging |
| US20070222662A1 (en) * | 2004-01-29 | 2007-09-27 | Tore Toennesen | Radar System for Motor Vehicles |
| CN104251987A (en) * | 2013-06-27 | 2014-12-31 | 通用汽车环球科技运作有限责任公司 | Multiple transmission methods for improving the operation of automotive radar systems |
| CN104569922A (en) * | 2015-01-28 | 2015-04-29 | 芜湖航飞科技股份有限公司 | L-band multi-beam step electronic-scanning target indication radar |
| CN106443659A (en) * | 2016-08-25 | 2017-02-22 | 四川九洲空管科技有限责任公司 | Low level small speed small target detection radar device and detection method thereof |
| CN107425276A (en) * | 2017-07-21 | 2017-12-01 | 西安交通大学 | A kind of circular polarisation slot antenna with filtering characteristic |
| CN107799882A (en) * | 2016-09-01 | 2018-03-13 | 现代自动车株式会社 | Antenna and the vehicle with the antenna |
| CN109546359A (en) * | 2018-12-06 | 2019-03-29 | 北京神舟博远科技有限公司 | A kind of directional diagram reconstructable phased array antenna system based on 3D printing |
| CN109856633A (en) * | 2018-12-28 | 2019-06-07 | 重庆大学 | A kind of modularization building slope radar observation system |
| CN111725619A (en) * | 2020-06-24 | 2020-09-29 | 安徽四创电子股份有限公司 | Electric scanning antenna |
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2150714C1 (en) * | 1999-05-17 | 2000-06-10 | Военный университет войсковой противовоздушной обороны Вооруженных Сил Российской Федерации | Method of measurement of cross-sectional dimensions of radar objects in real time |
| US20040119636A1 (en) * | 2002-12-20 | 2004-06-24 | Edvardsson Kurt Olov | Method and apparatus for radar-based level gauging |
| US20070222662A1 (en) * | 2004-01-29 | 2007-09-27 | Tore Toennesen | Radar System for Motor Vehicles |
| CN104251987A (en) * | 2013-06-27 | 2014-12-31 | 通用汽车环球科技运作有限责任公司 | Multiple transmission methods for improving the operation of automotive radar systems |
| CN104569922A (en) * | 2015-01-28 | 2015-04-29 | 芜湖航飞科技股份有限公司 | L-band multi-beam step electronic-scanning target indication radar |
| CN106443659A (en) * | 2016-08-25 | 2017-02-22 | 四川九洲空管科技有限责任公司 | Low level small speed small target detection radar device and detection method thereof |
| CN107799882A (en) * | 2016-09-01 | 2018-03-13 | 现代自动车株式会社 | Antenna and the vehicle with the antenna |
| CN107425276A (en) * | 2017-07-21 | 2017-12-01 | 西安交通大学 | A kind of circular polarisation slot antenna with filtering characteristic |
| CN109546359A (en) * | 2018-12-06 | 2019-03-29 | 北京神舟博远科技有限公司 | A kind of directional diagram reconstructable phased array antenna system based on 3D printing |
| CN109856633A (en) * | 2018-12-28 | 2019-06-07 | 重庆大学 | A kind of modularization building slope radar observation system |
| CN111725619A (en) * | 2020-06-24 | 2020-09-29 | 安徽四创电子股份有限公司 | Electric scanning antenna |
Non-Patent Citations (1)
| Title |
|---|
| 陈小龙 等: "飞鸟与无人机目标雷达探测与识别技术进展与展望", 雷达学报, vol. 9, no. 05, pages 803 - 826 * |
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