CN107015067A - A kind of circular polarized antenna axle is than measurement apparatus and method - Google Patents
A kind of circular polarized antenna axle is than measurement apparatus and method Download PDFInfo
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- CN107015067A CN107015067A CN201710244507.5A CN201710244507A CN107015067A CN 107015067 A CN107015067 A CN 107015067A CN 201710244507 A CN201710244507 A CN 201710244507A CN 107015067 A CN107015067 A CN 107015067A
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- antenna
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- linear polarization
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- axle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention discloses a kind of circular polarized antenna axle than measurement apparatus and method, measurement apparatus includes linear polarization source antenna, twist-reflector device, antenna profile torsion device, vector network analyzer, control device and data processing equipment, and the linear polarization source antenna is arranged on the twist-reflector device；Antenna to be measured is installed on the antenna profile torsion device；The vector network analyzer correspondence connection linear polarization source antenna and antenna to be measured；The control device correspondence connection twist-reflector device, antenna profile torsion device and vector network analyzer；The data processing equipment correspondence connection vector network analyzer.Without rotation linear polarization source antenna at a high speed, the rotating speed without adjusting linear polarization source antenna azimuth axis of antenna relatively to be measured, the measurement result degree of accuracy is high；Measurement apparatus is simple in construction, cost is low；Can the one-shot measurement multiple angles of antenna specified cross-section to be measured axle ratio, measurement efficiency is high.
Description
Technical field
The present invention relates to the polarization characteristic fields of measurement of circular polarized antenna, especially a kind of circular polarized antenna axle is filled than measurement
Put and method.
Background technology
Axle ratio characteristic is one of index of circular polarization characteristics, is to weigh the good and bad core index of circular polarized antenna characteristic,
It is the index primarily examined in circular polarized antenna parameter testing.Current circular polarized antenna is widely used in radar, communicates, leads
The fields such as boat, electronic countermeasure, especially various electronic equipments all develop to broadband, ultra wide band direction, and working frequency is often covered
Whole wave band is covered, or even across octave, such as the ultra-wideband antenna of 0.8~18GHz；Still further aspect, current various electronics are set
Standby covering spatial domain requires also to expand day by day, and the standard that such as covering orientation, pitching ± 60 ° have become many electronic equipments will
Ask, and such as high-precision its covering of navigation terminal reception antenna of some special application scenarios is required close to ± 90 °, therefore research is super
Wide frequency band angular domain circular polarized antenna is a very necessary and urgent job.
For circular polarized antenna axle than measuring method, domestic and foreign scholars and industrial quarters have been presented for some measurement sides
Method, being summed up mainly has following several：(1) far field rotational source method：Rotated at a high speed around rotary shaft with linear polarization source antenna, and by
Observation line rotates at a slow speed to measure the axle ratio method of circular polarized antenna around azimuth axis；(2) near field test method：By to near-field test
System is measured to the polarization characteristic of antenna；(3) polarization pattern method：Need by by linear polarized antenna around sending and receiving antenna
Line axle rotates, relative field strength response during each rotation angle increment of stored record, then draws polarization diagram, by polarization diagram come
Judge the axle ratio of antenna.(4) quadrature component mensuration：Use linear polarization auxiliary antenna different angles carry out twice or twice with
On measurement, you can the axle for obtaining circular polarisation compares information.
The subject matter that the above-mentioned circular polarized antenna axle ratio measuring method being currently known is present has：(1) far field rotational source method
Linear polarization source antenna axial-rotation speed and antenna to be measured are needed accurately to be controlled around the speed of orientation, i.e., antenna to be measured
During slow rotation, the directional diagram of antenna is tested within the time of linear polarized antenna half rotation does not have considerable change, actual to survey
The antenna pattern property difference of different antennae is larger in examination, it is difficult to the rotating speed of accurate control between the two, causes actual measurement
The accuracy of axle ratio be difficult to assess.(2) near field test method needs more complicated near-field measurement system, puts into larger.(3)
Polarization pattern method needs each angle step in some section for antenna to be measured, rotates linear polarization source antenna, and draw
Go out polarization diagram, it is less efficient.(4), it is necessary to using linear polarization source antenna to same section of circular polarized antenna to be measured in cross polarization method
Planar survey can just obtain axle than result three times or more than three times, and be related to the mathematical computations such as the coordinate transform of complexity；Use line pole
Shaft can be obtained than measurement result twice to the same section of circular polarized antenna to be measured using horizontal and vertical measurement by changing source antenna, but
It is the field component for needing to calculate two different circular polarisation based on horizontal and vertical field component, it is still complex cumbersome.
The content of the invention
The technical problems to be solved by the invention are：For above-mentioned problem there is provided a kind of measurement result it is accurate, survey
The circular polarized antenna axle that amount efficiency is high, simple in construction, cost is small is than measurement apparatus and method.
The technical solution adopted by the present invention is as follows：
A kind of circular polarized antenna axle than measurement apparatus, specifically include linear polarization source antenna, twist-reflector device, antenna cut
Face torsion device, vector network analyzer, control device and data processing equipment, the linear polarization source antenna are arranged on the pole
Change on torsion device；Antenna to be measured is installed on the antenna profile torsion device；The vector network analyzer correspondence is connected
Linear polarization source antenna and antenna to be measured；The control device correspondence connection twist-reflector device, antenna profile torsion device and arrow
Measure Network Analyzer；The data processing equipment correspondence connection vector network analyzer.
Further, described device also includes azimuth rotating platform, and antenna installation to be measured is on the azimuth rotating platform.
A kind of circular polarized antenna axle than measuring method, specifically include
A, erection linear polarization source antenna and antenna to be measured；
B, setting test frequency and antenna to be measured nominative testing section；
C, the field component using the linear polarization source antenna measurement any cross polarization of antenna specified cross-section two to be measured；
D, the transient field according to the field component of two obtained any cross polarizations of step c calculating specified cross-section antenna to be measured
Vector；
E, the axle ratio according to the obtained transient field Vector operation antennas to be measured of step d.
Further, the step d computational methods are
Wherein, ω is the test frequency of setting, and δ is any orthogonally polarized componentWithPhase difference, E1, E2 cut to specify
Face antenna to be measured existsField strength on component.
Further, the step e computational methods are
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：Without rotation linear polarization at a high speed
Source antenna, the rotating speed without adjusting linear polarization source antenna azimuth axis of antenna relatively to be measured, the measurement result degree of accuracy is high；Except can be by
Related algorithm is embedded into the data processing software China and foreign countries of special test system, without special test device, utilizes vector network
Analyzer, it is equipped with control device and data processing equipment and conventional turntable test can be achieved, small investment is particularly suitable for use in medium and small
Axle under enterprise or condition of external field is than test；Continuous gyrobearing turntable can realize that one-shot measurement provides specified cross-section and treated automatically
All axis of orientations of observation line compare result；As long as any two quadrature linear polarization field component is measured, to whether horizontal and vertical
Polarization is without particular/special requirement, in addition without further by quadrature linear polarization component calculating circular polarisation field component, you can obtain shaft ratio
As a result, data-handling efficiency is high.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is circular polarized antenna axle provided in an embodiment of the present invention than measurement apparatus structure chart.
Wherein, 1- linear polarizations source antenna, 2- twist-reflectors device, 3- antenna profiles torsion device, 4- vector network analysis
Instrument, 5- control devices, 6- data processing equipments, 7- azimuth rotating platforms
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification, unless specifically stated otherwise, can be equivalent by other or with similar purpose
Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is an example in a series of equivalent or similar characteristics
.
Fig. 1 be circular polarized antenna axle provided in an embodiment of the present invention than measurement apparatus structure chart, as shown in figure 1, a kind of circle
Poliarizing antenna axle than measurement apparatus, specifically include linear polarization source antenna 1, twist-reflector device 2, antenna profile torsion device 3,
Vector network analyzer 4, control device 5 and data processing equipment 6, the linear polarization source antenna 1 are arranged on the twist-reflector
On device 2；Antenna to be measured is installed on the antenna profile torsion device 3；The corresponding connecting line pole of vector network analyzer 4
Change source antenna 1 and antenna to be measured；The correspondence of the control device 5 connection twist-reflector device 2, antenna profile torsion device 3 and arrow
Measure Network Analyzer 4；The correspondence of data processing equipment 6 connection vector network analyzer 4.
The measurement apparatus and measuring method are carried out in satisfactory microwave dark room or the outdoor test of spaciousness,
The polarization source antenna 1 and the contour erection of antenna to be measured and meet far field test condition, linear polarization source antenna 1 is arranged on the pole
Change on torsion device 2, realize the measurement for treating any two cross polarization field component in observation line specified cross-section, revolved without high speed
Turn linear polarization source antenna, the rotating speed without adjusting linear polarization source antenna azimuth axis of antenna relatively to be measured, the measurement result degree of accuracy is high；
Antenna to be measured is arranged on the antenna profile torsion device 3, by controlling the antenna profile torsion device to be measured to set
The testing section of antenna；The correspondence of control device 5 connection twist-reflector device 2, the control polarization polarization of source antenna 1 is turned round
Turn；The correspondence of control device 5 connection antenna profile torsion device 3, controls antenna profile to be measured to reverse.
Optimally, the measurement apparatus is additionally provided with azimuth rotating platform 7, and antenna installation to be measured leads on the azimuth rotating platform 7
Cross and rotate the axle ratio that the azimuth rotating platform 7 measures the multiple angles of antenna specified cross-section to be measured, can be achieved disposably to measure to be measured
The angled axle ratio of antenna specified cross-section institute.The corresponding connection orientation turntable 7 of control device 6 realizes that turntable orientation is controlled.
A kind of circular polarized antenna axle than measuring method, specifically include
A, erection linear polarization source antenna and antenna to be measured；
B, setting test frequency and antenna to be measured nominative testing section；
C, the field component using the linear polarization source antenna measurement any cross polarization of antenna specified cross-section two to be measured；
D, the transient field according to the field component of two obtained any cross polarizations of step c calculating specified cross-section antenna to be measured
Vector；
E, the axle ratio according to the obtained transient field Vector operation antennas to be measured of step d.
Further, the step d computational methods are
Wherein, ω is the test frequency of setting, and δ is any orthogonally polarized componentWithPhase difference, E1、E2Cut to specify
Face antenna to be measured existsField strength on component.
Further, the step e computational methods are
As long as measuring method disclosed by the invention measurement any two quadrature linear polarization field component, to whether level and
Vertical polarization is without particular/special requirement, in addition without further by quadrature linear polarization component calculating circular polarisation field component, you can draw
Axle is than result, and data-handling efficiency is high.
The invention is not limited in foregoing embodiment.The present invention, which is expanded to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (9)
1. a kind of circular polarized antenna axle than measurement apparatus, it is characterised in that including linear polarization source antenna, twist-reflector device, day
Line section torsion device, vector network analyzer, control device and data processing equipment, the linear polarization source antenna are arranged on institute
State on twist-reflector device；Antenna to be measured is installed on the antenna profile torsion device；The vector network analyzer correspondence
Connect linear polarization source antenna and antenna to be measured；The control device correspondence connection twist-reflector device, antenna profile torsion device
And vector network analyzer；The data processing equipment correspondence connection vector network analyzer.
2. a kind of circular polarized antenna axle according to claim 1 than measurement apparatus, it is characterised in that described device is also wrapped
Azimuth rotating platform is included, antenna installation to be measured is on the azimuth rotating platform.
3. a kind of circular polarized antenna axle according to claim 2 than measurement apparatus, it is characterised in that the azimuth rotating platform
Connect the control device.
4. a kind of circular polarized antenna axle according to claim 2 than measurement apparatus, it is characterised in that it is described by rotation
Azimuth rotating platform measures the axle ratio of the multiple angles of antenna specified cross-section to be measured.
5. a kind of circular polarized antenna axle according to claim 1 than measurement apparatus, it is characterised in that it is described by control
Antenna profile torsion device sets the testing section of antenna to be measured.
6. a kind of circular polarized antenna axle according to claim 1 than measurement apparatus, it is characterised in that the linear polarization source
Antenna and the contour erection of antenna to be measured.
7. a kind of circular polarized antenna axle than measuring method, it is characterised in that including
A, erection linear polarization source antenna and antenna to be measured；
B, setting test frequency and antenna to be measured nominative testing section；
C, the field component using the linear polarization source antenna measurement any cross polarization in two, antenna nominative testing section to be measured；
D, the transient field according to the field component of two obtained any cross polarizations of step c calculating nominative testing section antenna to be measured
Vector；
E, the axle ratio according to the obtained transient field Vector operation antennas to be measured of step d.
8. a kind of circular polarized antenna axle according to right 7 than measuring method, it is characterised in that the step d calculating sides
Method is
Wherein, ω is the test frequency of setting, and δ is any orthogonally polarized componentWithPhase difference, E1、E2It is to be measured for specified cross-section
Antenna existsField strength on component.
9. a kind of circular polarized antenna axle according to right 7 than measuring method, it is characterised in that the step e calculating sides
Method is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244507.5A CN107015067A (en) | 2017-04-14 | 2017-04-14 | A kind of circular polarized antenna axle is than measurement apparatus and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710244507.5A CN107015067A (en) | 2017-04-14 | 2017-04-14 | A kind of circular polarized antenna axle is than measurement apparatus and method |
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| CN107015067A true CN107015067A (en) | 2017-08-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860984A (en) * | 2017-11-06 | 2018-03-30 | 常熟达顺威尔通信技术有限公司 | Waveguide circular polarizer axle ratio measuring method and device |
| CN109725368A (en) * | 2019-01-09 | 2019-05-07 | 中国科学院国家空间科学中心 | A kind of portable microwave linear polarization source |
| CN110346655A (en) * | 2019-07-12 | 2019-10-18 | 嘉兴诺艾迪通信科技有限公司 | A kind of the polarization parameter measuring device and method of antenna |
| CN110470915A (en) * | 2019-07-26 | 2019-11-19 | 成都天锐星通科技有限公司 | A kind of circular polarized antenna test macro, calibration and signal testing method |
| JPWO2020129187A1 (en) * | 2018-12-19 | 2021-04-01 | 三菱電機株式会社 | Axial ratio measuring method and axial ratio measuring device |
| CN113820548A (en) * | 2021-11-23 | 2021-12-21 | 南昌龙旗信息技术有限公司 | Antenna axial ratio measuring device, method, equipment and storage medium |
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| US4132992A (en) * | 1977-09-19 | 1979-01-02 | International Telephone And Telegraph Corporation | Radiator/circuit incorporating a cross slot waveguide antenna array which will instantaneously measure the radiation axial ratio or degree of linear polarization of any antenna |
| CN103235194A (en) * | 2013-04-19 | 2013-08-07 | 西北工业大学 | Method for measuring circular polarization antenna axial ratio by utilizing linear polarization antenna |
| CN104897976A (en) * | 2015-05-14 | 2015-09-09 | 中国电子科技集团公司第四十一研究所 | On-chip antenna test device |
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| US4132992A (en) * | 1977-09-19 | 1979-01-02 | International Telephone And Telegraph Corporation | Radiator/circuit incorporating a cross slot waveguide antenna array which will instantaneously measure the radiation axial ratio or degree of linear polarization of any antenna |
| CN103235194A (en) * | 2013-04-19 | 2013-08-07 | 西北工业大学 | Method for measuring circular polarization antenna axial ratio by utilizing linear polarization antenna |
| CN104897976A (en) * | 2015-05-14 | 2015-09-09 | 中国电子科技集团公司第四十一研究所 | On-chip antenna test device |
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| 尚军平等: ""圆极化天线特性参数测量方法"", 《西安电子科技大学学报(自然科学版)》 * |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860984A (en) * | 2017-11-06 | 2018-03-30 | 常熟达顺威尔通信技术有限公司 | Waveguide circular polarizer axle ratio measuring method and device |
| JPWO2020129187A1 (en) * | 2018-12-19 | 2021-04-01 | 三菱電機株式会社 | Axial ratio measuring method and axial ratio measuring device |
| CN109725368A (en) * | 2019-01-09 | 2019-05-07 | 中国科学院国家空间科学中心 | A kind of portable microwave linear polarization source |
| CN110346655A (en) * | 2019-07-12 | 2019-10-18 | 嘉兴诺艾迪通信科技有限公司 | A kind of the polarization parameter measuring device and method of antenna |
| CN110470915A (en) * | 2019-07-26 | 2019-11-19 | 成都天锐星通科技有限公司 | A kind of circular polarized antenna test macro, calibration and signal testing method |
| CN110470915B (en) * | 2019-07-26 | 2021-09-10 | 成都天锐星通科技有限公司 | Circularly polarized antenna test system, calibration and signal test method |
| CN113820548A (en) * | 2021-11-23 | 2021-12-21 | 南昌龙旗信息技术有限公司 | Antenna axial ratio measuring device, method, equipment and storage medium |
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