CN1209635C - Antenna testing system - Google Patents
Antenna testing system Download PDFInfo
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- CN1209635C CN1209635C CN 02155758 CN02155758A CN1209635C CN 1209635 C CN1209635 C CN 1209635C CN 02155758 CN02155758 CN 02155758 CN 02155758 A CN02155758 A CN 02155758A CN 1209635 C CN1209635 C CN 1209635C
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- testing system
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- rotary disc
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Abstract
The present invention relates to an antenna testing system which uses a rotary plate component to rotate an antenna to be tested, wherein the rotary plate component and the antenna to be tested can rotate simultaneously. A plurality of angle marks are arranged on the surface of the rotary plate component. The angle marks are distributed on the circumference of the rotary plate component in the mode of equally dividing the rotary plate component in order to represent the direction of the rotation angle of the antenna to be tested. The antenna testing system also uses an angle reading device to read the angles represented by the angle marks. The antenna testing system uses a hand-operated mode or a simple motor to rotate the rotary plate component in order to rotate the antenna to be tested.
Description
Technical field
The present invention relates to a kind of Antenna testing system, especially relate to a kind of Antenna testing system that uses rotary disc assembly to rotate antenna to be measured.
Background technology
In communication product, the major function of antenna is to be used for transmitting and the reception signal.Generally speaking, the user can be from Effective Radiated Power (the Effective Isotropic Radiated Power of antenna module; EIRP), radiation pattern (Radiation Pattern), return loss (Return Loss) and antenna gain parameters such as (Antenna Gain) is known antenna characteristics.Therefore, the design and fabrication of antenna must obtain described antenna performance through antenna measurement.
Antenna measurement can be divided into near-field test (Near Field Test) and far field test (Far FieldTest), and the equipment of antenna measurement has the system of use signal generator (Signal Generator) and spectrum analyzer (Spectrum Analyzer), and uses vector network analyzer (Vector NetworkAnalyzer; VNA) system etc.Antenna measurement be test antenna to be measured in the characteristic of each angle, so antenna to be measured must revolve after the three-sixth turn, the test of this antenna to be measured is just accused and is finished, and just can determine this antenna characteristics to be measured, as radiation pattern etc.Therefore how efficient, no matter be to use which kind of antenna measurement equipment to carry out antenna measurement, the structural relation of rotating antenna to be measured is to the required efficient of antenna measurement, and accurately rotate antenna to be measured, just becomes an important problem.
Existing antenna measurement equipment all uses step motor (Step Motor) to rotate antenna to be measured, and it is to utilize step motor (for example: 20 steps) equal to rotate 1 principle of spending, rotate antenna to be measured to walk some steps.Add relevant control system, the cost of existing antenna measurement equipment is quite high, just develop the test macro that up to millions of units as U.S. Antcom company.And, need to add accurate time-consuming rotation control owing to use step motor to rotate antenna to be measured through converting and proofreading and correct, make that the testing efficiency of existing antenna measurement equipment is quite low, length consuming time.For example: for using the system of signal generator and spectrum analyzer, finish the antenna measurement of one 360 degree, need about 45 to 50 minutes consuming time.For using the system of VNA, rotate 5 degree at every turn, finish the antenna measurement of one 360 degree, need about 20 minutes consuming time; Each 3 degree that rotate are finished one 360 antenna measurement of spending, and need about 40 minutes consuming time; Each 1 degree that rotates is finished one 360 antenna measurement of spending, and needs about 60 minutes consuming time.
Therefore, press for very much a kind of Antenna testing system of development,, shorten the test duration, so as to solving the shortcoming of existing antenna measurement equipment to improve the manufacturing cost of testing efficiency and reduction equipment.
Summary of the invention
Cost height at above-mentioned existing antenna measurement equipment, efficient is low, finishing an antenna measurement takes very of a specified duration, make the more high defective of cost of antenna measurement, fundamental purpose of the present invention is to provide a kind of Antenna testing system, it improves the efficient of antenna measurement, and reduces the cost of Antenna testing system, thereby reduces the cost of antenna measurement significantly.
To achieve these goals, the invention provides a kind of Antenna testing system, be used for testing a plurality of antenna performances of an antenna to be measured, this Antenna testing system comprises: rotary disc assembly, wherein rotary disc assembly and to be measured day line locking are rotated, and being installed on the surface of this rotary disc assembly, a plurality of angles identify, these angle signs are made up of a plurality of light and shade stripeds, these light and shade stripeds can be represented the number of degrees of each angle sign representative respectively, these angle signs are in the mode of five equilibrium rotary disc assembly circumference, be distributed on the circumference of rotary disc assembly, so as to the angle direction of representing that this antenna to be measured rotates, and this rotary disc assembly has a through hole, so as to the lead by this antenna to be measured of electric connection and this signal generator; One supporting component, the one end is connected with this rotary disc assembly, and this antenna to be measured places on the other end of this supporting component; The angle reading device is installed on the position near the circumference of this rotary disc assembly, so as to reading an angular readings of each angle sign representative; Signal generator is electrically connected to this antenna to be measured, so as to producing a test signal; Standard antenna is so as to receiving this test signal; And spectrum analyzer, be electrically connected to this standard antenna, so as to analyzing this test signal.
A kind of Antenna testing system, a plurality of antenna performances that are used for testing an antenna to be measured, this Antenna testing system comprises:
One rotary disc assembly, wherein, to be measured day line locking of this rotary disc assembly and this rotated, and being installed on the surface of this rotary disc assembly, a plurality of angles identify, these angle signs are made up of a plurality of light and shade stripeds, these light and shade stripeds can be represented the number of degrees of each angle sign representative respectively, these angle signs are in the mode of this rotary disc assembly circumference of five equilibrium, be distributed on the circumference of this rotary disc assembly, so as to the angle direction of representing that this antenna to be measured rotates, and this rotary disc assembly has a through hole, so as to the lead by this antenna to be measured of electric connection and this signal generator;
One supporting component, the one end is connected with this rotary disc assembly, and this antenna to be measured places on the other end of this supporting component;
One angle reading device is installed on the position to circumference that should rotary disc assembly, so as to reading an angular readings of each angle sign representative;
One signal generator (Signal Generator) is electrically connected to this antenna to be measured, so as to producing a test signal;
One standard antenna is so as to receiving this test signal; And
One spectrum analyzer (Spectrum Analyzer) is electrically connected to this standard antenna, so as to analyzing this test signal.
Described Antenna testing system, wherein this Antenna testing system is applied to the far field test (Far Field Test) of this antenna to be measured.
Described Antenna testing system, wherein the number of these angles sign is 360, and two adjacent angle signs be spaced apart 1 degree.
Described Antenna testing system, wherein this angle reading device is a reflective arrangement for detecting.
Described Antenna testing system, wherein this angle reading device is a penetration arrangement for detecting.
Described Antenna testing system also comprises: a reading treating apparatus is electrically connected to this angle reading device, so as to handling or showing this angular readings.
Described Antenna testing system, wherein this angular readings is to calculate and get through a counting assembly.
Brief Description Of Drawings
Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and other beneficial effects apparent by detailed description to embodiments of the invention.
In the accompanying drawing,
Fig. 1 is the structural representation of Antenna testing system of the present invention; And
Fig. 2 is the schematic top plan view of the rotary disc assembly of one embodiment of the invention.
Embodiment
Please refer to Fig. 1, Fig. 1 is the structural representation of Antenna testing system of the present invention.Wherein, antenna 30 to be measured places on the end of supporting component 20, and the other end of supporting component 20 is connected with rotary disc assembly 10, and rotary disc assembly 10 rotates synchronously with antenna 30 to be measured.Be that rotary disc assembly 10 rotates the several years, antenna 30 to be measured just and then rotates the several years.The present invention also comprises: antenna 30 to be measured is electrically connected to signal generator 60, tests signal 62 so as to producing, and this test signal 62 is sent to standard antenna 40; And standard antenna 40 is electrically connected to spectrum analyzer 50.After standard antenna 40 receives test signal 62, spectrum analyzer 50 carries out the analysis of antenna performance again, when reality is tested, the present invention is behind fixed angle of rotary disc assembly 10 revolutions, just send a test signal 62 to spectrum analyzer 50, till a circle (i.e. 360 degree) is finished in antenna 30 rotations to be measured.
Please refer to Fig. 1 and Fig. 2, Fig. 2 is the schematic top plan view of the rotary disc assembly of one embodiment of the invention.A plurality of angles sign A1 to A360 are installed on the rotary disc assembly 10 of the present invention, and present embodiment is that the circumference with rotary disc assembly 10 is divided into 360 lattice, i.e. 1 degree, 1 lattice.But according to actual needs, the present invention also can for example be divided into the circumference of rotary disc assembly 10: 120 lattice (i.e. 3 degree, 1 lattice); Or 72 lattice any lattice numbers such as (i.e. 5 degree, 1 lattice).The present invention also comprises: on a position of the close also circumference of corresponding rotary disc assembly 10, angle reading device 14 is installed.When the angle sign corresponds to angle reading device 14, can read the angular readings of a plurality of one of them representative of angle sign A1 to A360 automatically.Then, this angular readings automatically is sent to reading treating apparatus 16, so as to handling or show the angle direction of antenna 30 to be measured.An application mode of the present invention is: this angular readings can input to appropriate software, decides antenna to be measured 30 beginnings or stops operating.In addition, rotary disc assembly 10 also can have a through hole 18, is positioned at for example central authorities of rotary disc assembly 10, is used for by the lead as electric connection antenna 30 to be measured and signal generator 60.
The diameter of the rotary disc assembly 10 of present embodiment is about 122 centimetres, similarly can adjust to some extent according to actual design.Because the area of rotary disc assembly 10 is big, distance between angle sign A1 to A360 is also big and obvious, therefore when using manual mode rotate rotary disc assembly 10, thereby when driving antenna 30 to be measured, controlling of the rotational angle of antenna 30 to be measured can reach quite high degree of accuracy easily.Rotate the mode of antenna 30 to be measured compared to existing use step motor, the present invention can significantly shorten the required time of antenna measurement, and reaches the rotation degree of accuracy suitable with existing antenna measurement equipment.Use Antenna testing system of the present invention, and rotate 1 degree at every turn, finish the antenna measurement of one 360 degree, only need about 1 minute and 40 seconds consuming time, come fewly more than existing antenna measurement equipment (about 60 minutes consuming time).In addition, the present invention can use simple motor, and cooperates appropriate software, controls the rotation of rotary disc assembly, thereby reaches and the same pin-point accuracy of system of using step motor.Therefore, the present invention needn't use expensive system such as comprising step motor and micromanipulator, just can be easily and rotate antenna 30 to be measured accurately, thereby significantly save the equipment cost of antenna measurement.
What deserves to be mentioned is that angle reading device 14 of the present invention can be penetration or reflective arrangement for detecting, and angle sign A1 to A360 is made up of a plurality of light and shade stripeds respectively.These light and shade stripeds can be represented the number of degrees of each angle sign representative respectively; Or be a counting signal, cooperate counting assembly (not illustrating) again and specify the rotation initial point, decide the number of degrees of each angle sign representative.If angle reading device 14 is penetration arrangement for detecting, the light and shade striped that constitutes angle sign A1 to A360 then is that transparent material is made.Angle reading device 14 sends for example laser from the end of angle sign A1 to A360, and the other end in angle sign A1 to A360 receives the laser that passes angle sign A1 to A360 again.If angle reading device 14 is reflective arrangement for detecting, the light and shade striped that constitutes angle sign A1 to A360 then is that light reflecting material is made.Angle reading device 14 sends for example laser from the end of angle sign A1 to A360, receives the laser that passes angle sign A1 to A360 in same termination again.
Advantage of the present invention has provided a kind of Antenna testing system, can improve the efficient of antenna measurement significantly, shortens the required time of antenna measurement.More can reduce the cost of Antenna testing system significantly, the manpower and the material resources of saving antenna measurement effectively.
Be understandable that; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and these all changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (7)
1, a kind of Antenna testing system, a plurality of antenna performances that are used for testing an antenna to be measured, this Antenna testing system comprises:
One rotary disc assembly, wherein, to be measured day line locking of this rotary disc assembly and this rotated, and being installed on the surface of this rotary disc assembly, a plurality of angles identify, these angle signs are made up of a plurality of light and shade stripeds, these light and shade stripeds can be represented the number of degrees of each angle sign representative respectively, these angle signs are in the mode of this rotary disc assembly circumference of five equilibrium, be distributed on the circumference of this rotary disc assembly, so as to the angle direction of representing that this antenna to be measured rotates, and this rotary disc assembly has a through hole, so as to the lead by this antenna to be measured of electric connection and this signal generator;
One supporting component, the one end is connected with this rotary disc assembly, and this antenna to be measured places on the other end of this supporting component;
One angle reading device is installed on the position to circumference that should rotary disc assembly, so as to reading an angular readings of each angle sign representative;
One signal generator is electrically connected to this antenna to be measured, so as to producing a test signal;
One standard antenna is so as to receiving this test signal; And
One spectrum analyzer is electrically connected to this standard antenna, so as to analyzing this test signal.
2, Antenna testing system according to claim 1, wherein, this Antenna testing system is applied to the far field test of this antenna to be measured.
3, Antenna testing system according to claim 1, wherein, the number of these angles sign is 360, and two adjacent angle signs be spaced apart 1 degree.
4, Antenna testing system according to claim 1, wherein, this angle reading device is a reflective arrangement for detecting.
5, Antenna testing system according to claim 1, wherein, this angle reading device is a penetration arrangement for detecting.
6, Antenna testing system according to claim 1 also comprises: a reading treating apparatus is electrically connected to this angle reading device, so as to handling or showing this angular readings.
7, Antenna testing system according to claim 6, wherein, this angular readings is to calculate and get through a counting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155758 CN1209635C (en) | 2002-12-03 | 2002-12-03 | Antenna testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155758 CN1209635C (en) | 2002-12-03 | 2002-12-03 | Antenna testing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1504756A CN1504756A (en) | 2004-06-16 |
| CN1209635C true CN1209635C (en) | 2005-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02155758 Expired - Fee Related CN1209635C (en) | 2002-12-03 | 2002-12-03 | Antenna testing system |
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| CN (1) | CN1209635C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI464421B (en) * | 2010-01-26 | 2014-12-11 | Fih Hong Kong Ltd | Nfc antenna auxiliary design system and nfc antenna auxiliary design method |
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| CN1964547A (en) * | 2006-11-30 | 2007-05-16 | 中兴通讯股份有限公司 | A method to determine minimum test distance of antenna |
| CN101581744B (en) * | 2008-05-15 | 2012-02-29 | 京元电子股份有限公司 | Device and method for detecting testing environment of circuit |
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| CN103472315A (en) * | 2013-08-23 | 2013-12-25 | 山东国威舜泰卫星通信有限公司 | Simple antenna far field test system and application thereof |
| CN104833863B (en) * | 2015-05-21 | 2017-05-31 | 中国电子科技集团公司第三十八研究所 | The far field darkroom test system and method for a kind of high frequency phased array antenna |
| CN105158585A (en) * | 2015-08-26 | 2015-12-16 | 武汉虹信通信技术有限责任公司 | Long term evolution (LTE) antenna intelligent measurement system |
| CN106841690A (en) * | 2015-12-03 | 2017-06-13 | 富泰华工业（深圳）有限公司 | Antenna measurement jig |
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| JP2019027997A (en) * | 2017-08-02 | 2019-02-21 | アンリツ株式会社 | Radio terminal measurement device, circular polarization antenna device to be connected to radio terminal measurement device, and radio terminal measurement method |
| CN109425789A (en) * | 2017-08-24 | 2019-03-05 | 中航贵州飞机有限责任公司 | A kind of aircraft airborne antenna measurement device |
| CN108107278A (en) * | 2017-12-14 | 2018-06-01 | 武汉凡谷电子技术股份有限公司 | The on-site test system and method for reception diagram |
| CN111190059A (en) * | 2018-11-15 | 2020-05-22 | 铨鼎塑胶股份有限公司 | System for measuring and adjusting antenna radiation pattern |
| CN109782077A (en) * | 2019-01-29 | 2019-05-21 | 西安天伟电子系统工程有限公司 | Wave beam test macro and method |
-
2002
- 2002-12-03 CN CN 02155758 patent/CN1209635C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI464421B (en) * | 2010-01-26 | 2014-12-11 | Fih Hong Kong Ltd | Nfc antenna auxiliary design system and nfc antenna auxiliary design method |
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| CN1504756A (en) | 2004-06-16 |
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