CN109471109A - A kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram - Google Patents
A kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram Download PDFInfo
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- CN109471109A CN109471109A CN201811221971.3A CN201811221971A CN109471109A CN 109471109 A CN109471109 A CN 109471109A CN 201811221971 A CN201811221971 A CN 201811221971A CN 109471109 A CN109471109 A CN 109471109A
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- wave radar
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- transmitting antenna
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- 238000010586 diagram Methods 0.000 title claims abstract description 46
- 102100034112 Alkyldihydroxyacetonephosphate synthase, peroxisomal Human genes 0.000 title claims abstract description 25
- 101000799143 Homo sapiens Alkyldihydroxyacetonephosphate synthase, peroxisomal Proteins 0.000 title claims abstract description 25
- 238000000848 angular dependent Auger electron spectroscopy Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- 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
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
Abstract
The present invention relates to civilian application of MMW radar in the field ADAS, the method for specifically a kind of civilian adaptive ADAS of millimetre-wave radar coverage diagram, the specific steps of which are as follows: (1) adjusts position of transmitting antenna；(2) it sends；(3) preliminary scan；(4) it scans again；(5) parameter adjusts；When being applied to ADAS system by opening at least two transmitting antennas, the phase of adjustment antenna transmitting obtains different radar coverage-diagrams, according to the scene of application, chooses suitable phase configuration, makes dynamic to the coverage diagram of radar and adjust, improve detection range.
Description
Technical field
The present invention relates to civilian application of MMW radar in the field ADAS, specifically a kind of civilian millimetre-wave radar coverage diagram
The method of adaptive ADAS.
Background technique
With the development of intelligent driving, ADAS system is more more and more universal on automobile.The safety auxiliary system that one vehicle is equipped with
System may be one more than, and when considering materials cost problem, it is a kind of development trend that single radar, which realizes multi-functional scheme, but
It is that the design of single radar can not be taken into account, all functional requirements.On the basis of hardware condition, changed by the adjustment of software
The phase difference of transmitting antenna, so that each signal in overlay region interferes with each other, causes radar power due to the presence of phase difference
The change of figure, the change of radar coverage-diagram are difficult to be used in conjunction with each other with ADAS system in time, easily cause data repercussion error,
Therefore it needs to adapt to cooperation in time.
Summary of the invention
To solve the above-mentioned problems, a kind of method that the present invention proposes civilian adaptive ADAS of millimetre-wave radar coverage diagram.
A kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram, the specific steps of which are as follows:
(1) it adjusts position of transmitting antenna: adjusting two transmitting antennas of 77GHz millimetre-wave radar on computers according to data
Transmitter phase；
(2) it sends: computer being connect with 77GHz millimetre-wave radar by CAN communication tool and sends information in real time；
(3) preliminary scan: 77GHz millimetre-wave radar is mounted on stepper motor using microwave dark room before step (1)
And rotary scanning is carried out, obtain the inceptive direction figure of 77GHz millimetre-wave radar；
(4) it scans again: reusing microwave dark room after transmitter phase adjustment and carry out rotary scanning, obtain 77GHz millimeters
The directional diagram of wave radar；
(5) parameter adjusts: the directional diagram of all transmitting antennas is changed, and main lobe width and peak point are also become
Change, is adjusted adaptation with suitable phase parameter.
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 135,2 phase of transmitting antenna
Position is 90, and obtained 77GHz millimetre-wave radar observation angle is 20 °.
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180,2 phase of transmitting antenna
Position is 0, and obtained 77GHz millimetre-wave radar observation angle is -20 ° and -40 °.
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180,2 phase of transmitting antenna
Position is 45, and obtained 77GHz millimetre-wave radar observation angle is 20 ° and -20 °.
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180,2 phase of transmitting antenna
Position is 90, and obtained 77GHz millimetre-wave radar observation angle is 20 °.
The beneficial effects of the present invention are: adjusting day by opening at least two transmitting antennas when being applied to ADAS system
The phase of line transmitting, obtains different radar coverage-diagrams, according to the scene of application, suitable phase configuration is chosen, to radar
Coverage diagram is made dynamic and is adjusted, and detection range is improved.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural diagram of the present invention one；
Fig. 2 is structural schematic diagram two of the invention；
Fig. 3 is the radar directional diagram of the embodiment of the present invention one；
Fig. 4 is the radar directional diagram of the embodiment of the present invention two；
Fig. 5 is the radar directional diagram of the embodiment of the present invention three；
Fig. 6 is the radar directional diagram of the embodiment of the present invention four.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below it is right
The present invention is further described.
It is as depicted in figs. 1 and 2:
Embodiment one:
As shown in figure 3, a kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram, the specific steps of which are as follows:
(1) it adjusts position of transmitting antenna: adjusting 4 two transmitting antennas of 77GHz millimetre-wave radar on computer 1 according to data
Transmitter phase；
(2) it sends: computer 1 being connect with 77GHz millimetre-wave radar 4 by CAN communication tool 2 and sends information in real time；
(3) preliminary scan: 77GHz millimetre-wave radar 4 is mounted on stepper motor using microwave dark room before step (1)
And rotary scanning is carried out, obtain the inceptive direction figure of 77GHz millimetre-wave radar 4；
(4) it scans again: reusing microwave dark room after transmitter phase adjustment and carry out rotary scanning, obtain 77GHz millimeters
The directional diagram of wave radar 4；
(5) parameter adjusts: the directional diagram of all transmitting antennas is changed, and main lobe width and peak point are also become
Change, is adjusted adaptation with suitable phase parameter.
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 135,2 phase of transmitting antenna
Position is 90, and obtained 4 observation angle of 77GHz millimetre-wave radar is 20 °.
When being applied to ADAS system by opening at least two transmitting antennas, the phase of adjustment antenna transmitting is obtained not
Same radar coverage-diagram chooses suitable phase configuration according to the scene of application, makes dynamic to the coverage diagram of radar and adjusts,
Improve detection range.
The stepper motor is arranged on motor turntable 3.
Computer 1 and motor turntable 3 are connected using CAN communication tool 2,77GHz millimetre-wave radar 4 is arranged in motor
On turntable 3, and data exchange is carried out using corner reflector 5.
By the adjustment of antenna phase so that the farthest observation angle of 77GHz millimetre-wave radar 4 changes, it is conducive to
The position that the observation of 77GHz millimetre-wave radar 4 needs to observe.
Embodiment two:
As shown in figure 4, a kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram, the specific steps of which are as follows:
(1) it adjusts position of transmitting antenna: adjusting 4 two transmitting antennas of 77GHz millimetre-wave radar on computer 1 according to data
Transmitter phase；
(2) it sends: computer 1 being connect with 77GHz millimetre-wave radar 4 by CAN communication tool 2 and sends information in real time；
(3) preliminary scan: 77GHz millimetre-wave radar 4 is mounted on stepper motor using microwave dark room before step (1)
And rotary scanning is carried out, obtain the inceptive direction figure of 77GHz millimetre-wave radar 4；
(4) it scans again: reusing microwave dark room after transmitter phase adjustment and carry out rotary scanning, obtain 77GHz millimeters
The directional diagram of wave radar 4；
(5) parameter adjusts: the directional diagram of all transmitting antennas is changed, and main lobe width and peak point are also become
Change, is adjusted adaptation with suitable phase parameter.
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180,2 phase of transmitting antenna
Position is 0, and obtained 4 measuring angle of 77GHz millimetre-wave radar is -20 ° and -40 °.
When being applied to ADAS system by opening at least two transmitting antennas, the phase of adjustment antenna transmitting is obtained not
Same radar coverage-diagram chooses suitable phase configuration according to the scene of application, makes dynamic to the coverage diagram of radar and adjusts,
Improve detection range.
The stepper motor is arranged on motor turntable 3.
Computer 1 and motor turntable 3 are connected using CAN communication tool 2,77GHz millimetre-wave radar 4 is arranged in motor
On turntable 3, and data exchange is carried out using corner reflector 5.
Embodiment three:
As shown in figure 5, a kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram, the specific steps of which are as follows:
(1) it adjusts position of transmitting antenna: adjusting 4 two transmitting antennas of 77GHz millimetre-wave radar on computer 1 according to data
Transmitter phase；
(2) it sends: computer 1 being connect with 77GHz millimetre-wave radar 4 by CAN communication tool 2 and sends information in real time；
(3) preliminary scan: 77GHz millimetre-wave radar 4 is mounted on stepper motor using microwave dark room before step (1)
And rotary scanning is carried out, obtain the inceptive direction figure of 77GHz millimetre-wave radar 4；
(4) it scans again: reusing microwave dark room after transmitter phase adjustment and carry out rotary scanning, obtain 77GHz millimeters
The directional diagram of wave radar 4；
(5) parameter adjusts: the directional diagram of all transmitting antennas is changed, and main lobe width and peak point are also become
Change, is adjusted adaptation with suitable phase parameter.
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180,2 phase of transmitting antenna
Position is 45, and obtained 4 observation angle of 77GHz millimetre-wave radar is 20 ° and -20 °.
When being applied to ADAS system by opening at least two transmitting antennas, the phase of adjustment antenna transmitting is obtained not
Same radar coverage-diagram chooses suitable phase configuration according to the scene of application, makes dynamic to the coverage diagram of radar and adjusts,
Improve detection range.
The stepper motor is arranged on motor turntable 3.
Computer 1 and motor turntable 3 are connected using CAN communication tool 2,77GHz millimetre-wave radar 4 is arranged in motor
On turntable 3, and data exchange is carried out using corner reflector 5.
Example IV:
As shown in fig. 6, a kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram, the specific steps of which are as follows:
(1) it adjusts position of transmitting antenna: adjusting 4 two transmitting antennas of 77GHz millimetre-wave radar on computer 1 according to data
Transmitter phase；
(2) it sends: computer 1 being connect with 77GHz millimetre-wave radar 4 by CAN communication tool 2 and sends information in real time；
(3) preliminary scan: 77GHz millimetre-wave radar 4 is mounted on stepper motor using microwave dark room before step (1)
And rotary scanning is carried out, obtain the inceptive direction figure of 77GHz millimetre-wave radar 4；
(4) it scans again: reusing microwave dark room after transmitter phase adjustment and carry out rotary scanning, obtain 77GHz millimeters
The directional diagram of wave radar 4；
(5) parameter adjusts: the directional diagram of all transmitting antennas is changed, and main lobe width and peak point are also become
Change, is adjusted adaptation with suitable phase parameter.
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180,2 phase of transmitting antenna
Position is 90, and obtained 4 observation angle of 77GHz millimetre-wave radar is 20 °.
When being applied to ADAS system by opening at least two transmitting antennas, the phase of adjustment antenna transmitting is obtained not
Same radar coverage-diagram chooses suitable phase configuration according to the scene of application, makes dynamic to the coverage diagram of radar and adjusts,
Improve detection range.
The stepper motor is arranged on motor turntable 3.
Computer 1 and motor turntable 3 are connected using CAN communication tool 2,77GHz millimetre-wave radar 4 is arranged in motor
On turntable 3, and data exchange is carried out using corner reflector 5.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (5)
1. a kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram, it is characterised in that: the specific steps of which are as follows:
(1) it adjusts position of transmitting antenna: adjusting (4) two transmitting antennas of 77GHz millimetre-wave radar on computer (1) according to data
Transmitter phase；
(2) it sends: computer (1) is connect with 77GHz millimetre-wave radar (4) by CAN communication tool (2) and send in real time and believe
Breath；
(3) preliminary scan: 77GHz millimetre-wave radar (4) is mounted on stepper motor simultaneously using microwave dark room before step (1)
Rotary scanning is carried out, the inceptive direction figure of 77GHz millimetre-wave radar (4) is obtained；
(4) it scans again: reusing microwave dark room after transmitter phase adjustment and carry out rotary scanning, obtain 77GHz millimeter wave thunder
Up to the directional diagram of (4)；
(5) parameter adjusts: the directional diagram of all transmitting antennas is changed, and main lobe width and peak point are also changed,
Adaptation is adjusted with suitable phase parameter.
2. the method for civilian adaptive ADAS of millimetre-wave radar coverage diagram according to claim 1 a kind of, it is characterised in that:
The suitable phase parameter of the step (5) are as follows: 1 phase of transmitting antenna is 135, and 2 phase of transmitting antenna is 90, is obtained
77GHz millimetre-wave radar (4) observation angle is 20 °.
3. the method for civilian adaptive ADAS of millimetre-wave radar coverage diagram according to claim 1 a kind of, it is characterised in that:
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180, and 2 phase of transmitting antenna is 0, is obtained
77GHz millimetre-wave radar (4) observation angle arrived is -20 ° and -40 °.
4. the method for civilian adaptive ADAS of millimetre-wave radar coverage diagram according to claim 1 a kind of, it is characterised in that:
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180, and 2 phase of transmitting antenna is 45,
Obtained 77GHz millimetre-wave radar (4) observation angle is 20 ° and -20 °.
5. the method for civilian adaptive ADAS of millimetre-wave radar coverage diagram according to claim 1 a kind of, it is characterised in that:
The adjustment of described step (1) and step (5) phase parameter are as follows: 1 phase of transmitting antenna is 180, and 2 phase of transmitting antenna is 90,
Obtained 77GHz millimetre-wave radar (4) observation angle is 20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221971.3A CN109471109A (en) | 2018-10-19 | 2018-10-19 | A kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram |
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| CN201811221971.3A CN109471109A (en) | 2018-10-19 | 2018-10-19 | A kind of method of the civilian adaptive ADAS of millimetre-wave radar coverage diagram |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110275167A (en) * | 2019-06-03 | 2019-09-24 | 浙江吉利控股集团有限公司 | A kind of control method of radar detection, controller and terminal |
| CN110346768A (en) * | 2019-06-26 | 2019-10-18 | 惠州市德赛西威智能交通技术研究院有限公司 | A kind of millimetre-wave radar coverage diagram Compact Range analogy method and system |
| CN110412526A (en) * | 2019-07-24 | 2019-11-05 | 芜湖易来达雷达科技有限公司 | A kind of radar performance figure test method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110275167A (en) * | 2019-06-03 | 2019-09-24 | 浙江吉利控股集团有限公司 | A kind of control method of radar detection, controller and terminal |
| CN110346768A (en) * | 2019-06-26 | 2019-10-18 | 惠州市德赛西威智能交通技术研究院有限公司 | A kind of millimetre-wave radar coverage diagram Compact Range analogy method and system |
| CN110412526A (en) * | 2019-07-24 | 2019-11-05 | 芜湖易来达雷达科技有限公司 | A kind of radar performance figure test method |
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Application publication date: 20190315 |