CN209264837U - A kind of plane-wave simulation system for small size antenna measurement - Google Patents
A kind of plane-wave simulation system for small size antenna measurement Download PDFInfo
- Publication number
- CN209264837U CN209264837U CN201821887326.0U CN201821887326U CN209264837U CN 209264837 U CN209264837 U CN 209264837U CN 201821887326 U CN201821887326 U CN 201821887326U CN 209264837 U CN209264837 U CN 209264837U
- Authority
- CN
- China
- Prior art keywords
- feed
- reflecting surface
- small size
- plane
- wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
This application provides a kind of plane-wave simulation systems for small size antenna measurement, including spine support, shielded anechoic chamber, reflecting surface, reflecting surface bracket, feed and antenna setting, wherein the reflecting surface, reflecting surface bracket, feed, antenna setting are located at the inside of the shielded anechoic chamber, it is characterized by: the center of the feed is located at the focal position of the reflecting surface, the feed issues the electromagnetic wave of specified frequency range, become parallel wave after the reflective surface, is radiated on the tested small size antenna.Through the system in the distance for being less than far field condition, plane wave environment required for antenna measurement is realized.
Description
Technical field
This application involves electromagnetic antenna fields of measurement, more specifically, being related to a kind of for the flat of small size antenna measurement
Surface wave simulation system can be used for the electromagnetic antenna measurement of frequency 1GHz-200GHz.
Background technique
Currently, the basic demand of antenna measurement is that tested antenna needs in the plane wave region of the electromagnetic wave in test.
Since electromagnetic radiation Source size limits, the electromagnetic wave of generation belongs to spherical wave, when measuring distance needs to meet r > 2D/ λ,
Electromagnetic wave can approximation be considered as plane wave, r is measuring distance in formula, and D is tested antenna shapes size, and λ is electromagnetic wavelength, though
So small size antenna is not explicitly defined at present, but refers to antenna of the size within 1m, therefore, high-frequency electrical generally in the art
Measuring distance needed for magnetic wave may need thousands of rice by above-mentioned requirements.
Currently, when antenna measurement mainly by the way of traditional far field or scanning near-field.On the one hand, traditional far field mode
It needs to meet far field condition, millimeter wave is tested and needs distance farther out, needs biggish test site；And scanning near-field needs
It carries out mathematic(al) manipulation and obtains far-field results, the testing time is relatively long.
Summary of the invention
In order to overcome the above problem, the purpose of the utility model is to provide one kind can be to small size antenna Multi-angle omnibearing
The plane-wave simulation system measured.
Specifically, present applicant proposes it is a kind of for small size antenna measurement plane-wave simulation system, including spine support,
Shielded anechoic chamber, reflecting surface, reflecting surface bracket, feed and antenna setting, wherein the reflecting surface, reflecting surface bracket, feed,
Antenna setting is located at the inside of the shielded anechoic chamber, it is characterised in that: the center of the feed is located at the reflecting surface
Focal position, the feed issue the electromagnetic wave of specified frequency range, become parallel wave after the reflective surface, be radiated at by
On the small size antenna surveyed.
Further, the spine support is welded using profile integration, is machined above for the reflecting surface branch
The mounting hole of frame, feed and antenna setting.
Further, the feed is mounted on the middle part of the spine support, by adjusting the upper and lower, left of the feed source bracket
Right, front and back and pitch position adjust bolt, the method tested by electromagnetism, it is ensured that the central point of the feed is located at the reflection
The focal point in face, and the feed is directed toward the center of reflecting surface.
Further, the nucleus of the reflecting surface is hyperbolic-parabolic, and corner areas, which has, reduces reflection of electromagnetic wave interference
Design.
Further, the antenna setting is that 4 axis automatically control turntable.
Further, the shielded anechoic chamber is installed on the spine support, and is spliced by muti-piece shielding material, and
There is shield door in side.
Further, the shielded anechoic chamber has 4 sides, ceiling and bottom plate, and 4 sides, ceiling and bottom
Plate all has absorbing material.
Further, the absorbing material 7 is that pointed cone is made in polyurethane wave-absorbing material or non-woven fabrics absorbing material.
Further, the side of the shielded anechoic chamber is provided with the air inlet waveguide window for ventilation, outlet air waveguide window, and is furnished with
Internal temperature is adjusted in industrial air-conditioning.
By the utility model proposes scheme, can be realized in the distance less than far field condition 1/10 plane wave test
Environment, meets the test of small size antenna 1-200GHz radiation characteristic and fork truck or crane can be used in the plane-wave simulation system
It is carried, is easy to use.
Detailed description of the invention
Fig. 1 is the front schematic view of the utility model.
Fig. 2 is the schematic rear view of the utility model.
Fig. 3 is the schematic internal view after the utility model removal shielded anechoic chamber.
In figure, 1- industrial air-conditioning, 2- shielded anechoic chamber, 3- air inlet waveguide window, 4- spine support, 5- outlet air waveguide window, 6- screen
Cover door, 7- absorbing material, 8- antenna setting, 9- reflecting surface bracket, 10- reflecting surface, 11- feed, 12- feed source bracket.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and example is served only for explaining that this is practical new
Type is not intended to limit the scope of the utility model.
As shown in Fig. 1,2 and 3, a kind of plane-wave simulation system for small size antenna measurement, packet disclosed in the present embodiment
Spine support 4, shielded anechoic chamber 2, reflecting surface 10, reflecting surface bracket 9, feed 11, antenna setting 8 are included, wherein the reflection
Face 10, reflecting surface bracket 9, feed 11, antenna setting 8 are located inside shielded anechoic chamber 2, and 11 center of feed is located at the reflection
The focus in face 10, feed 11 issue the electromagnetic wave of specified frequency range, and the electromagnetic wave of sending belongs to spherical wave, reflect by reflecting surface 10
After become parallel wave, be radiated on tested antenna.
The spine support 4 is welded using profile integration, is machined thereon for installing reflecting surface bracket 9, feedback
The mounting hole in source 11 and antenna setting 8, particularly, reflecting surface 10 are mounted on reflecting surface bracket 9, reflecting surface bracket 9
It is integrally attached on spine support 4, ensures that the relative space position of reflecting surface 10 is accurate using laser tracker detection.Feed 11
It is mounted on the middle part of spine support 4, bolt is adjusted by the top to bottom, left and right, front and rear and pitch position that adjust feed source bracket 12, leads to
The method for crossing electromagnetism test, it is ensured that the central point of feed 11 is located at the focal point of reflecting surface 10, and feed 11 is directed toward reflecting surface
10 centers.The nucleus of the reflecting surface 10 can be hyperbolic-parabolic, and corner areas, which has, reduces reflection of electromagnetic wave interference
Design.Then, antenna setting 8 and shielded anechoic chamber 2 can be installed.
Tested antenna is mounted on antenna setting 8, and according to the demand of actual test, the needs of antenna setting 8 are taken
Carry tested antenna in space can level orientation adjustings, pitch regulation, planned regulation, horizontal X/Y-direction position adjusting etc. it is more
One of posture changing function or a variety of is tieed up, to realize the multi-angle and comprehensive adjustment of antenna.The antenna measurement turns
Platform 8 is that 4 axis automatically control turntable, and the mounting bracket including being tested antenna, 4 axis are respectively azimuth axis, translation shaft, pitch axis and pole
Change axis, tested antenna can be made to carry out posture changing according to testing requirement.
The shielded anechoic chamber 2 is installed on spine support, is spliced by muti-piece shielding material.The side of shielded anechoic chamber 2
There is shield door 6, is an enclosure space inside entire shielded anechoic chamber 2 after shield door 6 is closed, electromagnetic wave in this space and outer
The electromagnetic wave on boundary completely cuts off, without interruption.4 sides, ceiling and bottom plate in shielded anechoic chamber 2 all have absorbing material 7, example
Such as, polyurethane wave-absorbing material can be used or the shapes such as pointed cone are made in non-woven fabrics absorbing material, absorbing material has electromagnetic wave
Adsorption function reduces the reflection of electromagnetic wave interference inside shielded anechoic chamber.Operator is entered in shielded anechoic chamber 2 by shield door 6,
Replace the feed and tested antenna of different model.The side of the shielded anechoic chamber 2 is equipped with the air inlet waveguide window 3 for ventilation, goes out
Wind waveguide window 5, and internal temperature is adjusted equipped with industrial air-conditioning 1.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model
Within enclosing.
Claims (9)
1. a kind of plane-wave simulation system for small size antenna measurement, including spine support, shielded anechoic chamber, reflecting surface, reflection
Face bracket, feed and antenna setting, wherein the reflecting surface, reflecting surface bracket, feed, antenna setting are positioned at described
The inside of shielded anechoic chamber, it is characterised in that: the center of the feed is located at the focal position of the reflecting surface, and the feed issues
The electromagnetic wave of specified frequency range becomes parallel wave after the reflective surface, is radiated on the tested small size antenna.
2. a kind of plane-wave simulation system for small size antenna measurement according to claim 1, it is characterised in that: described
Spine support is welded using profile integration, machined survey for installing the reflecting surface bracket, feed and antenna above
The mounting hole of preliminary operation platform.
3. a kind of plane-wave simulation system for small size antenna measurement according to claim 1, it is characterised in that: described
Feed is mounted on the middle part of the spine support, adjusts spiral shell by the top to bottom, left and right, front and rear and pitch position that adjust feed source bracket
Bolt, the central point of the feed is located at the focal point of the reflecting surface, and the feed is directed toward the center of reflecting surface.
4. a kind of plane-wave simulation system for small size antenna measurement according to claim 1, it is characterised in that: described
The nucleus of reflecting surface is hyperbolic-parabolic, and corner areas has the design for reducing reflection of electromagnetic wave interference.
5. a kind of plane-wave simulation system for small size antenna measurement according to claim 1, it is characterised in that: described
Antenna setting is that 4 axis automatically control turntable.
6. a kind of plane-wave simulation system for small size antenna measurement according to claim 1, it is characterised in that: described
Shielded anechoic chamber is installed on the spine support, and is spliced by muti-piece shielding material, and has shield door in side.
7. a kind of plane-wave simulation system for small size antenna measurement according to claim 6, it is characterised in that: described
Shielded anechoic chamber has 4 sides, ceiling and bottom plate, and 4 sides, ceiling and bottom plate all have absorbing material.
8. a kind of plane-wave simulation system for small size antenna measurement according to claim 7, it is characterised in that: described
Absorbing material is that pointed cone is made in polyurethane wave-absorbing material or non-woven fabrics absorbing material.
9. a kind of plane-wave simulation system for small size antenna measurement according to claim 1, it is characterised in that: described
The side of shielded anechoic chamber is provided with the air inlet waveguide window for ventilation, outlet air waveguide window, and equipped with industrial air-conditioning to internal temperature
It is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887326.0U CN209264837U (en) | 2018-11-14 | 2018-11-14 | A kind of plane-wave simulation system for small size antenna measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887326.0U CN209264837U (en) | 2018-11-14 | 2018-11-14 | A kind of plane-wave simulation system for small size antenna measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264837U true CN209264837U (en) | 2019-08-16 |
Family
ID=67554981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821887326.0U Active CN209264837U (en) | 2018-11-14 | 2018-11-14 | A kind of plane-wave simulation system for small size antenna measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209264837U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163625A (en) * | 2020-01-08 | 2020-05-15 | 李志宏 | Semi-anechoic chamber and floor structure thereof |
| CN111541497A (en) * | 2020-04-22 | 2020-08-14 | 福州物联网开放实验室有限公司 | Air interface testing device for wireless communication performance of Internet of things terminal |
| CN112034266A (en) * | 2020-05-25 | 2020-12-04 | 北京中测国宇科技有限公司 | Millimeter wave multi-feed source compact range testing system |
| CN112087252A (en) * | 2020-08-06 | 2020-12-15 | 航天科工空间工程发展有限公司 | Microwave hidden wall |
| CN112557766A (en) * | 2019-09-10 | 2021-03-26 | 川升股份有限公司 | Antenna measurement system for multiple-input multiple-output air transmission |
| CN113030589A (en) * | 2019-12-24 | 2021-06-25 | 株式会社爱德万测试 | Electronic component handling apparatus, electronic component testing apparatus, and socket |
| CN113030597A (en) * | 2019-12-24 | 2021-06-25 | 川升股份有限公司 | Antenna measurement system integrating far field and shrinking distance field |
| CN113156224A (en) * | 2021-03-31 | 2021-07-23 | 国家无线电监测中心检测中心 | OTA test darkroom |
| CN113533863A (en) * | 2021-06-23 | 2021-10-22 | 北京邮电大学 | Amplitude scanning system |
| CN113030597B (en) * | 2019-12-24 | 2024-05-17 | 川升股份有限公司 | Antenna measuring system integrating far field and distance-reducing field |
-
2018
- 2018-11-14 CN CN201821887326.0U patent/CN209264837U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557766A (en) * | 2019-09-10 | 2021-03-26 | 川升股份有限公司 | Antenna measurement system for multiple-input multiple-output air transmission |
| CN113030597B (en) * | 2019-12-24 | 2024-05-17 | 川升股份有限公司 | Antenna measuring system integrating far field and distance-reducing field |
| CN113030597A (en) * | 2019-12-24 | 2021-06-25 | 川升股份有限公司 | Antenna measurement system integrating far field and shrinking distance field |
| CN113030589A (en) * | 2019-12-24 | 2021-06-25 | 株式会社爱德万测试 | Electronic component handling apparatus, electronic component testing apparatus, and socket |
| CN111163625B (en) * | 2020-01-08 | 2022-05-13 | 李志宏 | Semi-anechoic chamber and floor structure thereof |
| CN111163625A (en) * | 2020-01-08 | 2020-05-15 | 李志宏 | Semi-anechoic chamber and floor structure thereof |
| CN111541497A (en) * | 2020-04-22 | 2020-08-14 | 福州物联网开放实验室有限公司 | Air interface testing device for wireless communication performance of Internet of things terminal |
| CN112034266A (en) * | 2020-05-25 | 2020-12-04 | 北京中测国宇科技有限公司 | Millimeter wave multi-feed source compact range testing system |
| CN112034266B (en) * | 2020-05-25 | 2023-06-23 | 北京中测国宇科技有限公司 | Millimeter wave multi-feed compact range testing system |
| CN112087252A (en) * | 2020-08-06 | 2020-12-15 | 航天科工空间工程发展有限公司 | Microwave hidden wall |
| CN113156224A (en) * | 2021-03-31 | 2021-07-23 | 国家无线电监测中心检测中心 | OTA test darkroom |
| CN113156224B (en) * | 2021-03-31 | 2023-01-10 | 国家无线电监测中心检测中心 | OTA test darkroom |
| CN113533863A (en) * | 2021-06-23 | 2021-10-22 | 北京邮电大学 | Amplitude scanning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209264837U (en) | A kind of plane-wave simulation system for small size antenna measurement | |
| JP5217926B2 (en) | Electromagnetic wave measuring device | |
| CN205982435U (en) | Field test system is reduceed in small -size integration | |
| CN108132390B (en) | Method and system for improving field intensity in reverberation room and simulating composite field electromagnetic environment | |
| US7965228B2 (en) | Quasi-compact range | |
| US20100109957A1 (en) | Apparatus for measuring antenna radiation performance and method of designing the same | |
| CN112834833A (en) | Compact range antenna test system | |
| JP6766809B2 (en) | Refractive index distribution type lens design method and antenna device using it | |
| CN103985969A (en) | Method for designing dielectric reflector antenna | |
| US20180231593A1 (en) | Electromagnetic wave reverberation chamber | |
| CN105762528A (en) | High-aperture efficiency reflect array antenna | |
| JP2007033254A (en) | Anechoic chamber | |
| US5910787A (en) | Integrated projector-low radar cross-section (RCS) source support pylon and low RCS measurement system employing same | |
| CN113156224B (en) | OTA test darkroom | |
| JP2003057281A (en) | Anechoic chamber, system and method of measuring radiation electromagnetic waves | |
| JP2007225567A (en) | Device and method for testing electronic device | |
| KR101649514B1 (en) | Electromagnetic compatibility testing apparatus | |
| CN110676594B (en) | Novel radar simulation radiation source phased array antenna | |
| CN209119340U (en) | Airborne conformal flush mounting wave beam wide-angle leans forward antenna | |
| KR102444077B1 (en) | In vitro exposure system | |
| CN110690575A (en) | Novel radar simulation radiation source phased array antenna horn feed source | |
| Shields et al. | A new compact range facility for antenna and radar target measurements | |
| CN106686961A (en) | Electromagnetic wave shielding method and apparatus considering system heat dissipation | |
| Moro et al. | Low power tests on the new front steering EC launcher for FTU | |
| CN215005628U (en) | Compact range antenna test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Xinyang Document name: Approval notice of fee reduction |