CN204129122U - A kind of Multi probe near field antenna test macro - Google Patents
A kind of Multi probe near field antenna test macro Download PDFInfo
- Publication number
- CN204129122U CN204129122U CN201420613077.1U CN201420613077U CN204129122U CN 204129122 U CN204129122 U CN 204129122U CN 201420613077 U CN201420613077 U CN 201420613077U CN 204129122 U CN204129122 U CN 204129122U
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- near field
- field antenna
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- probe
- metal arch
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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)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a kind of Multi probe near field antenna test macro, comprise testing system software carrier, the multiple Multi probe near field antenna testing apparatuss be connected through active switching device shifter with testing system software carrier, Multi probe near field antenna testing apparatus comprises base, be fixed on the metal arch ring on base, be located at inside metal arch ring by equally distributed multiple probe and the foam pole with dual polarization ultra broadband broadband character in certain angle interval, foam pole lower end is connected with clinometer rule through metal arch ring, foam pole upper ends objective table, objective table can carry measured object makes measured object be in metal arch ring center, be provided with in described metal arch ring and the probe selection unit be connected of popping one's head in, interconnective control device is provided with in base, power module, reception amplifier, emission amplifier and transmission switching device shifter.The utility model encloses the dual polarization ultra broadband linear transducer array that 360 degree are surrounded measured object outside measured object, replaces slow mechanical scanning by swift electron scanning.Measured object only needs one dimension rotation can determine to surround the field on a sphere of this tested antenna.Testing efficiency can improve more than 40 times in theory.
Description
Technical field
The present invention relates to Antenna testing system, more particularly, relate to the Multi probe near field antenna test macro of a kind of antenna active and non-source test.
Background technology
The fast development of mobile communication has promoted the R&D work of antenna, domestic occurred some produce per year antennas reach millions of, kind reach hundreds of more than enterprise.The speed of antenna measurement has become the bottleneck of the Corporation R & D progress of work.
Traditional single probe antenna test macro, in test tested antenna must before a single probe Two Dimensional Rotating, to guarantee to surround the field of this tested antenna on a sphere.Because this Two Dimensional Rotating needs the at substantial time, cause single probe test system and test inefficiency, meanwhile, the test duration is longer.And by environmental change, the probability that the test problem that the external factors such as instrument instability cause occurs is higher.
Summary of the invention
The object of the invention is to, provide a kind of Multi probe near field antenna test macro, adopt dual polarization ultra broadband Multi probe array, only need tested antenna to carry out one dimension 180 degree rotation during test, testing efficiency promotes greatly.The invention solves tradition single probe test macro long because measured object will carry out the test duration that Two Dimensional Rotating causes, testing efficiency is low, tests the problem being subject to environment and instrumental effects.
The technical solution adopted for the present invention to solve the technical problems is as described below: a kind of Multi probe near field antenna test macro, comprise testing system software carrier, the multiple Multi probe near field antenna testing apparatuss be connected through active switching device shifter with testing system software carrier, described Multi probe near field antenna testing apparatus comprises base, be fixed on the metal arch ring on base, be located at inside metal arch ring by equally distributed multiple probe and the foam pole with dual polarization ultra broadband broadband character in certain angle interval, foam pole lower end is connected with clinometer rule through metal arch ring, foam pole upper ends objective table, objective table can carry measured object makes measured object be in metal arch ring center, be provided with in described metal arch ring and the probe selection unit be connected of popping one's head in, interconnective control device is provided with in described base, power module, reception amplifier, emission amplifier and transmission switching device shifter.
Above-mentioned testing system software carrier is connected with active switching device shifter through vector network analyzer or wireless telecommunications instrument.
Be provided with inside above-mentioned metal arch ring and inhale ripple cotton, inhale ripple cotton by metal arch ring entirety parcel, described probe stretches out from inhaling the cotton tapping of ripple and points to metal arch ring center respectively.
Above-mentioned clinometer rule comprises guide rail, the turntable be located on guide rail, the electric rotating machine be connected with turntable and mobile motor, and electric rotating machine is connected with turntable inner core, drives turntable to rotate at surface level; Mobile motor is connected with turntable shell, and drive turntable to move left and right on guide rail, described foam pole is connected with turntable.
According to technique scheme, as preferably, described guide rail is arc surfaced, converts this movement to measured object at the Plane Rotation perpendicular to surface level when turntable can be made to move left and right.
According to technique scheme, as preferably, the left and right edges position of described guide rail is respectively equipped with turntable exception-triggered switch.
Above-mentioned probe switch unit is multiple multipath high-speed electronic switches, opening, closing different path and can select corresponding probe and polarization by controlling multipath high-speed electronic switch.
Above-mentioned probe switch unit is connected by radio frequency coaxial cables with probe.
Above-mentioned transmission switching device shifter is controlled electronic switch.
According to the present invention of said structure, its beneficial effect is, Multi probe near field antenna test macro of the present invention encloses the dual polarization ultra broadband linear transducer array that 360 degree are surrounded measured object outside measured object, replaces slow mechanical scanning by swift electron scanning.Measured object only needs one dimension rotation can determine to surround the field on a sphere of this tested antenna.Testing efficiency can improve more than 40 times in theory.
It is 2208 that the field of Multi probe near field antenna test macro to measured object of the present invention describes sampling number.This process need turntable turned position changes 2 times, each revolving table position turntable angular turn 11 times.Traditional list probe test macro then needs to rotate measured object, rotates probe totally 2208 times.The present invention significantly improves testing efficiency.
Traditional list probe test macro obtains the certain lifting in efficiency often through reduction sampling density.Multi probe near field antenna test system and test efficiency of the present invention is high, without the need to sacrificing sampling precision.Measuring accuracy has significant advantage.
Tradition single probe test macro often needs the different instrument of manual switchover when carrying out difference test, Multi probe near field antenna test macro of the present invention is without the need to manual switchover testing tool, and automatic switchover instrument, operation ease obviously promotes.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the present invention is described further.
Fig. 1 is the structural drawing of Multi probe near field antenna testing apparatus of the present invention;
Fig. 2 is the main TV structure figure of clinometer rule of the present invention;
Fig. 3 is clinometer rule three-dimensional structure diagram of the present invention;
Fig. 4 is subject table embodiment one structural drawing of the present invention;
Fig. 5 is subject table embodiment two structural drawing of the present invention;
Fig. 6 is present system structured flowchart.
Embodiment
As shown in figures 1 to 6, a kind of Multi probe near field antenna test macro, the multiple Multi probe near field antenna testing apparatuss comprising testing system software carrier (not shown), be connected through active switching device shifter with testing system software carrier.First testing system software carrier is connected with active switching device shifter through vector network analyzer or wireless telecommunications instrument.
Multi probe near field antenna testing apparatus comprises base 6, the metal arch ring 1 be fixed on through support 2 on base 6, be located at inside metal arch ring 1 by equally distributed multiple probe 4 and the foam pole 5 with dual polarization ultra broadband characteristic in certain angle interval.Metal arch ring 1 is the annular of having been spliced by four parts.Be provided with inside metal arch ring 1 and inhale ripple cotton 3, inhale ripple cotton 3 by metal arch ring 1 entirety parcel, probe 4 stretches out from cotton 3 tappings of suction ripple and points to metal arch ring 1 center respectively.Be provided with in metal arch ring 1 and the probe selection unit be connected of popping one's head in, probe switch unit is multiple multipath high-speed electronic switches, opening, closing different path and can select corresponding probe 4 and polarization by controlling multipath high-speed electronic switch.Probe switch unit is connected by radio frequency coaxial cables with probe 4.Foam pole 5 lower end is connected with clinometer rule 7 through metal arch ring 1.Foam pole 5 upper ends objective table, objective table can carry measured object makes measured object be in metal arch ring 1 center, and objective table can be cylindricality (as shown in Figure 4) or semisphere (as shown in Figure 5).Clinometer rule 7 comprises guide rail 10, the turntable 11 be located on guide rail 10, the electric rotating machine 12 be connected with turntable 11 and mobile motor 8, turntable 11 comprises inner core and shell, inner core can rotate at surface level, shell is fixed on guide rail 10 and can moves left and right, electric rotating machine 12 is connected with turntable 11 inner core, drives turntable 11 to rotate at surface level; Mobile motor 8 is connected with turntable 11 shell, drives turntable 11 to move left and right on guide rail 10.Particularly, foam pole 5 is connected with clinometer rule 7 turntable.Guide rail 10 is arc surfaced, converts this movement to measured object at the Plane Rotation perpendicular to surface level when turntable 11 can be made to move left and right.The left and right edges position of guide rail 10 is also respectively equipped with turntable exception-triggered switch 9, if because can trigger trigger switch 9, motor emergent stopping when cause specific causes turntable 11 left-right rotation amplitude excessive, avoid pole to bump against other assemblies and cause damage.Interconnective control device, power module, reception amplifier, emission amplifier and transmission switching device shifter is provided with in base 6.
Testing system software carrier is ordinary PC, and vector network analyzer, wireless communication instrument are connected to testing system software carrier by standard interface (supporting GPIB and network interface), are connected to active switching device shifter by radio frequency interface.Active switching device shifter is by radio-frequency cable and emission amplifier, and reception amplifier connects, and realizes different content measurements.Control device is connected to testing system software carrier and is controlled by testing system software carrier, and control device major function is that the order sent by software is converted to logic level control speed-sensitive switch.Control device is connected to and transmits switching device shifter, probe selection unit, active switching device shifter, and controls transfer switching device shifter switching transmitting and receiving path, probe selection unit speed-sensitive switch and switching probe, active switching device shifter switch different Multi probe near field antenna testing apparatus.Control device also controls electric machine rotation.The switching command that software sends by transmission switching device shifter transfers to active switching device shifter etc., and the Electric Machine Control command sent by software is to motor.Transmission switching device shifter is controlled electronic switch.
In the present embodiment, its function of vector network analyzer realizes passive measurement, can select the equipment that Anjelen Sci. & Tech. Inc produces, the equipment of the outfit gpib interface that other companies also can be selected to produce; Its function of radio communication instrument realizes active measurement, can select the equipment that Anjelen Sci. & Tech. Inc produces, and also can select the equipment being equipped with gpib interface or network interface that other companies produce;
Workflow is: the computer run testing software of installation system testing software, all instructions for as if instrument and control device.Control device controls active switching device shifter after receiving and switching instrument instructions and selects corresponding instrument to connect into system.After control device receives transmission switching command, controls transfer switching device shifter is selected to exhale transmission direction mutually.What start test system and test software sends to control device and instrument by each middle instruction of test process, controls test process.Test process terminates rear system test software by calculating corresponding test result.
Present system specific implementation process is:
Testing system software carrier is by testing results software, and control system hardware scans in the space of 3 ~ 10 wavelength coverages.Scanning result is discrete point.These discrete numerical value contain range value and phase value, constitute the description of near-field signals amplitude and PHASE DISTRIBUTION.The arithmetic section of testing software uses strict mode expansion K-theoretic operation K to obtain the description in the far field surrounding measured object space, and this description to far field includes TRP, TIS, efficiency, gain, the information such as directional diagram.
The present invention adopts the near-field measurement technique of spherical scanning, measurement to raw data be signal near field amplitude and phase place sphere distribution describe.
Multi probe near field antenna test macro of the present invention encloses the dual polarization ultra broadband linear transducer array that 360 degree are surrounded measured object outside measured object, replaces slow mechanical scanning by swift electron scanning.Measured object only needs one dimension rotation can determine to surround the field on a sphere of this tested antenna.Testing efficiency can improve more than 40 times in theory.
Claims (9)
1. a Multi probe near field antenna test macro, it is characterized in that, comprise testing system software carrier, the multiple Multi probe near field antenna testing apparatuss be connected through active switching device shifter with testing system software carrier, described Multi probe near field antenna testing apparatus comprises base, be fixed on the metal arch ring on base, be located at inside metal arch ring by equally distributed multiple probe and the foam pole with dual polarization ultra broadband broadband character in certain angle interval, foam pole lower end is connected with clinometer rule through metal arch ring, foam pole upper ends objective table, objective table can carry measured object makes measured object be in metal arch ring center, be provided with in described metal arch ring and the probe selection unit be connected of popping one's head in, interconnective control device is provided with in described base, power module, reception amplifier, emission amplifier and transmission switching device shifter.
2. a kind of Multi probe near field antenna test macro according to claim 1, it is characterized in that, described testing system software carrier is connected with active switching device shifter through vector network analyzer or wireless telecommunications instrument.
3. a kind of Multi probe near field antenna test macro according to claim 1, it is characterized in that, be provided with inside described metal arch ring and inhale ripple cotton, inhale ripple cotton by metal arch ring entirety parcel, described probe stretches out from inhaling the cotton tapping of ripple and points to metal arch ring center respectively.
4. a kind of Multi probe near field antenna test macro according to claim 1, it is characterized in that, described clinometer rule comprises guide rail, the turntable be located on guide rail, the electric rotating machine be connected with turntable and mobile motor, and electric rotating machine is connected with turntable inner core, drives turntable to rotate at surface level; Mobile motor is connected with turntable shell, and drive turntable to move left and right on guide rail, described foam pole is connected with turntable.
5. a kind of Multi probe near field antenna test macro according to claim 4, it is characterized in that, described guide rail is arc surfaced, converts this movement to measured object at the Plane Rotation perpendicular to surface level when turntable can be made to move left and right.
6. a kind of Multi probe near field antenna test macro according to claim 4 or 5, is characterized in that, the left and right edges position of described guide rail is respectively equipped with turntable exception-triggered switch.
7. a kind of Multi probe near field antenna test macro according to claim 1, it is characterized in that, described probe switch unit is multiple multipath high-speed electronic switches, opening, closing different path and can select corresponding probe and polarization by controlling multipath high-speed electronic switch.
8. a kind of Multi probe near field antenna test macro according to claim 1 or 7, is characterized in that, described probe switch unit is connected by radio frequency coaxial cables with probe.
9. a kind of Multi probe near field antenna test macro according to claim 1, it is characterized in that, described transmission switching device shifter is controlled electronic switch.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613077.1U CN204129122U (en) | 2014-10-22 | 2014-10-22 | A kind of Multi probe near field antenna test macro |
| PCT/CN2014/093412 WO2016061880A1 (en) | 2014-10-22 | 2014-12-10 | Multi-probe near field antenna testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420613077.1U CN204129122U (en) | 2014-10-22 | 2014-10-22 | A kind of Multi probe near field antenna test macro |
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| Publication Number | Publication Date |
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| CN204129122U true CN204129122U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420613077.1U Ceased CN204129122U (en) | 2014-10-22 | 2014-10-22 | A kind of Multi probe near field antenna test macro |
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| CN (1) | CN204129122U (en) |
| WO (1) | WO2016061880A1 (en) |
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| CN104764938A (en) * | 2015-03-10 | 2015-07-08 | 中国电子科技集团公司第十研究所 | Antenna near field measuring method provided with self-contained phase reference channel |
| CN105445566A (en) * | 2015-11-13 | 2016-03-30 | 西北工业大学 | Spherical multi-probe antenna test data processing method |
| CN106093603A (en) * | 2016-08-19 | 2016-11-09 | 成都全码特时代科技有限公司 | Scanning means for antenna measurement |
| CN106093604A (en) * | 2016-08-19 | 2016-11-09 | 成都全码特时代科技有限公司 | A kind of Multi probe antenna scanner |
| CN106154059A (en) * | 2016-06-29 | 2016-11-23 | 四川莱源科技有限公司 | A kind of Multi probe sphere near-field measurement system |
| CN106199218A (en) * | 2016-06-29 | 2016-12-07 | 四川莱源科技有限公司 | Novel Multi probe near field antenna measurements device |
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| CN107991541A (en) * | 2017-11-27 | 2018-05-04 | 中国电子科技集团公司第三十八研究所 | A kind of near field antenna test control device and its test method |
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| CN109725275A (en) * | 2018-12-26 | 2019-05-07 | 刘科宏 | Probe calibration method based near field Multi probe antenna measurement system |
| CN111579888A (en) * | 2020-06-23 | 2020-08-25 | 石家庄硕华电子科技有限公司 | Annular test jig for antenna test |
| CN112333728A (en) * | 2020-09-29 | 2021-02-05 | 深圳星航物连科学技术有限公司 | OTA test system for quickly identifying tested object and remote management method thereof |
| CN113092882A (en) * | 2021-04-01 | 2021-07-09 | 杭州永谐科技有限公司东莞分公司 | Multi-probe antenna mounting bracket |
| CN113092882B (en) * | 2021-04-01 | 2024-04-05 | 杭州永谐科技有限公司东莞分公司 | Multi-probe antenna mounting bracket |
| CN116321268A (en) * | 2023-03-06 | 2023-06-23 | 乾位智通(深圳)技术有限公司 | Detection data recording system, method and device and UWB module detection device |
| CN116321268B (en) * | 2023-03-06 | 2023-11-03 | 乾位智通(深圳)技术有限公司 | Detection data recording system, method and device and UWB module detection device |
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| WO2016061880A1 (en) | 2016-04-28 |
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