CN105319449B - Antenna damnification method based on unmanned plane - Google Patents
Antenna damnification method based on unmanned plane Download PDFInfo
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- CN105319449B CN105319449B CN201510697583.2A CN201510697583A CN105319449B CN 105319449 B CN105319449 B CN 105319449B CN 201510697583 A CN201510697583 A CN 201510697583A CN 105319449 B CN105319449 B CN 105319449B
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Abstract
A kind of antenna damnification method based on unmanned plane, the signal message from beacon received by the spatial coordinated information and antenna to be measured that gather the unmanned plane with beacon, so as to establish associating between reception pose and the signal source locus of antenna to be measured, near field measurement is realized.The advantages of present invention is directed near field measurement, has simple to operate, cost-effective, the measurement for the large-scale antenna that is particularly suitable for use in, adaptable wide, and measuring accuracy is high.
Description
Technical field
The present invention relates to a kind of technology in radio holography field, specifically a kind of antenna near-field based on unmanned plane is surveyed
Amount method.
Background technology
Antenna damnification is the holographic important component of radio.On the one hand nearly far field can be utilized by near field measurement
Conversion, obtain the far field observation performance of antenna.On the other hand, can be realized by the conversion between the aperture field of near field to antenna
The diagnosis of bore facial disfigurement.
The common method of antenna damnification is to place beacon apart from antenna certain distance to be measured, treated by adjustment at present
The pitching of observation line and orientation are scanned to beacon, so as to realize the near field measurement of antenna.It is limited yet with this method
Fixed in the position of beacon, it is impossible to measure Near-field Data of the antenna under each pitching, come especially for large-scale radio telescope
Say, under different pitching the deformation of primary reflection surface can have bigger difference due to gravity deformation, it is therefore necessary to develop a kind of new
Near-field measurement technique, to adapt to the near field measurement of antenna under different pitching.
The content of the invention
The present invention is directed to deficiencies of the prior art, proposes a kind of antenna damnification side based on unmanned plane
Method, near field measurement, there is simple to operate, cost-effective, the measurement for the large-scale antenna that is particularly suitable for use in, it is adaptable wide,
The advantages of measuring accuracy is high.
The present invention is achieved by the following technical solutions：
The present invention by gather with beacon unmanned plane spatial coordinated information and antenna to be measured receive come self-confident
Target signal message, so as to establish associating between reception pose and the signal source locus of antenna to be measured, realize that near field is surveyed
Amount.
The present invention specifically includes following steps：
Step 1：Antenna to be measured is fixed under a certain orientation and pitch attitude, carries beacon by unmanned plane and positioning is set
Standby, control unmanned plane is pointed to around antenna and nearby flown, and the bootstrap information obtained by antenna to be measured determines that unmanned plane is located at antenna
At the time of sensing, and the space coordinates by the determination of track following equipment now, the scanning center as unmanned plane.
Step 2：The scanning center's coordinate determined according to more measurements of step 1, the spacescan calculated around central point are sat
Track is marked, and controls unmanned plane repeatedly to be flown around rail.
Step 3：Using track optimizing algorithm realize it is high-precision around rail fly, pass through track following equipment and attitude detection
Equipment realizes the real-time amendment to unmanned plane during flying track and flight attitude, the Near-field Data realization pair obtained with reference to antenna to be measured
Unmanned plane track and Near-field Data carry out multiple finishing, so as to realize the near field measurement of antenna.
Technique effect
Compared with prior art, the present invention under antenna difference pitching to be measured, passes through control using unmanned plane carrying beacon
Unmanned plane points to around antenna to be measured and does orbit determination flight, realizes the relative scanning to beacon of antenna to be measured.
The present invention controls unmanned plane during flying path accuracy, it is fixed to be tracked using unmanned plane by unmanned plane track optimizing algorithm
Position equipment, realize the real-time amendment to unmanned plane trajectory coordinates and accurate acquisition.
The present invention is calculated by utilizing unmanned plane to realize repeatedly flight scanning under same pitching by feature extraction and interpolation
Method, realize the multiple amendment of scanning trajectory coordinates and corresponding Near-field Data.
The present invention has advantages below：By UAV flight's beacon, most antennas are can adapt in different pitching
Under near field measurement；Unmanned plane is built compared to beacon tower, has the advantages of cost-effective, wide adaptability；Utilize unmanned plane
Carry out track scanning Billy to be scanned with antenna to be measured, antenna movement caused by fabricating error due to antenna can be reduced
Caused error；Using unmanned plane track optimizing algorithm, unmanned plane location equipment and track scanning is repeated, realizes that unmanned plane positions
And the multiple amendment of test data.The invention has a convenient test, wide adaptation range, it is cost-effective the advantages of.
Brief description of the drawings
Fig. 1 is embodiment schematic diagram.
Embodiment
As shown in figure 1, the present embodiment includes following operating procedure：
Step 1：Antenna to be measured is fixed under detection orientation and pitch attitude, carries beacon by unmanned plane and positioning is set
Standby, control unmanned plane is pointed to around antenna to be measured in antenna near-field region and nearby flown, the bootstrap information obtained by antenna to be measured
At the time of determining that unmanned plane is located at antenna sensing, and determine that unmanned plane corresponds to the moment by laser range finder track following equipment
Space coordinates, the scanning center of unmanned plane is used as using the space coordinates.
Described antenna to be measured uses but is not limited to parabola antenna.
Described beacon uses but is not limited to wireless signal transmitter.
The spacing of described flight, in particular to unmanned plane and antenna to be measured is near field range.
Step 2：Step 1 is repeated to determine scanning center, and optimizes spacescan rail of the unmanned plane around scanning center
Mark.
Step 3：Realized using track optimizing algorithm control unmanned plane and accurately flown around rail, pass through laser orientation instru-ment and gyro
Instrument realizes the real-time amendment to unmanned plane during flying track and flight attitude, and the Near-field Data obtained with reference to antenna to be measured is realized to nothing
Man-machine track and Near-field Data carry out multiple amendment, so as to realize the near field measurement of antenna.
Described track optimizing algorithm uses but is not limited to particle cluster algorithm.
Described real-time amendment specifically refers to：Adjustment to unmanned plane during flying track and flight attitude
Described finishing specifically refers to：It can enter row interpolation and optimization because measurement data is discrete point, during data processing
Processing, to reduce measurement error, and this adjustment, to combine unmanned plane track, near field measurement data both sides data, therefore
Referred to as multiple amendment.
Above-mentioned specific implementation can by those skilled in the art on the premise of without departing substantially from the principle of the invention and objective with difference
Mode local directed complete set is carried out to it, protection scope of the present invention is defined by claims and not by above-mentioned specific implementation institute
Limit, each implementation in the range of it is by the constraint of the present invention.
Claims (6)
- A kind of 1. antenna damnification method based on unmanned plane, it is characterised in that by gathering the unmanned plane with beacon The signal message from beacon that spatial coordinated information and antenna to be measured receive, so as to establish the reception pose of antenna to be measured with Association between signal source locus, realizes near field measurement.
- 2. according to the method for claim 1, it is characterized in that, specifically include following steps：Step 1：Antenna to be measured is fixed under a certain orientation and pitch attitude, and beacon and location equipment, control are carried by unmanned plane Unmanned plane processed is pointed to around antenna and nearby flown, and the bootstrap information obtained by antenna to be measured determines that unmanned plane is located at antenna sensing Moment, and the space coordinates by the determination of track following equipment now, the scanning center as unmanned plane；Step 2：The scanning center's coordinate determined according to more measurements of step 1, calculates the spacescan coordinate rail around central point Mark, and control unmanned plane repeatedly to be flown around rail；Step 3：Using track optimizing algorithm realize it is high-precision around rail fly, pass through track following equipment and posture detection device The real-time amendment to unmanned plane during flying track and flight attitude is realized, the Near-field Data obtained with reference to antenna to be measured is realized to nobody Machine track and Near-field Data carry out multiple amendment, so as to realize the near field measurement of antenna.
- 3. method according to claim 1 or 2, it is characterized in that, described antenna to be measured is parabola antenna.
- 4. method according to claim 1 or 2, it is characterized in that, described beacon is wireless signal transmitter.
- 5. according to the method for claim 2, it is characterized in that, described track optimizing algorithm uses particle cluster algorithm.
- 6. according to the method for claim 2, it is characterized in that, described real-time amendment specifically refers to：To unmanned plane during flying rail The adjustment of mark and flight attitude.
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| CN201510697583.2A CN105319449B (en) | 2015-10-23 | 2015-10-23 | Antenna damnification method based on unmanned plane |
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| CN201510697583.2A CN105319449B (en) | 2015-10-23 | 2015-10-23 | Antenna damnification method based on unmanned plane |
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| CN105319449A CN105319449A (en) | 2016-02-10 |
| CN105319449B true CN105319449B (en) | 2018-03-06 |
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| CN105636103A (en) * | 2016-02-15 | 2016-06-01 | 上海应用技术学院 | Novel wireless communication field intensity simulation test method |
| CN107543979B (en) * | 2016-06-24 | 2021-07-30 | 中兴通讯股份有限公司 | Antenna parameter measuring method and device |
| ES2639687B8 (en) * | 2017-03-03 | 2018-03-07 | Universidad De Oviedo | Airborne system and method for the characterization and measurement of antennas or radiating systems |
| US10690781B2 (en) | 2017-04-05 | 2020-06-23 | At&T Intellectual Property I, L.P. | Unmanned aerial vehicle drive testing and mapping of carrier signals |
| CN107085150B (en) * | 2017-04-20 | 2019-09-13 | 中国人民解放军海军工程大学 | A kind of short wavelength emissions antenna 3 D stereo directional diagram aerial mobile measuring system and method |
| KR102193810B1 (en) * | 2017-05-29 | 2020-12-22 | 미쓰비시덴키 가부시키가이샤 | Radio wave measurement system |
| CN107632208B (en) * | 2017-08-09 | 2019-12-24 | 西安电子科技大学 | Spherical near-field antenna measuring method and system |
| CN107607797B (en) * | 2017-09-19 | 2020-01-07 | 山东大学 | Antenna performance measuring method and device based on unmanned aerial vehicle |
| CN107806854B (en) * | 2017-09-30 | 2020-06-05 | 杭州艾航科技有限公司 | Flat antenna angle measurement method based on unmanned aerial vehicle photographing and GPS information |
| CN109061322A (en) * | 2018-06-15 | 2018-12-21 | 西安电子科技大学 | A kind of Far-Field antennas measurement system method based on unmanned plane |
| CN109030961B (en) * | 2018-07-19 | 2021-01-29 | 上海民航华东空管工程技术有限公司 | Method for testing vertical radiation field pattern of target antenna |
| CN109597094B (en) * | 2018-10-26 | 2021-08-31 | 上海神添实业有限公司 | All-polarization near-field scanning method and system of general vehicle based on unmanned aerial vehicle |
| WO2020133280A1 (en) * | 2018-12-28 | 2020-07-02 | 深圳市大疆创新科技有限公司 | Mobile platform-based antenna testing method and apparatus and information processing device |
| WO2021175343A2 (en) * | 2021-05-06 | 2021-09-10 | 南京航空航天大学 | Unmanned aerial vehicle-based outdoor antenna four-dimensional pattern measurement method and apparatus |
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