CN211603353U - Multi-probe-based spherical near-field antenna test system structure - Google Patents
Multi-probe-based spherical near-field antenna test system structure Download PDFInfo
- Publication number
- CN211603353U CN211603353U CN201921806419.0U CN201921806419U CN211603353U CN 211603353 U CN211603353 U CN 211603353U CN 201921806419 U CN201921806419 U CN 201921806419U CN 211603353 U CN211603353 U CN 211603353U
- Authority
- CN
- China
- Prior art keywords
- probe
- probes
- antenna
- circular ring
- antenna test
- 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
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A near field antenna test system structure based on multi-probe sphere comprises: the system comprises an annular distribution probe array, a tested antenna and a multi-axis antenna test rotary table for placing the tested antenna; the annular distribution probe array comprises a circular ring formed by a plurality of probe arrays, the plurality of probes point to the center of the circular ring, and the circular ring is vertical to the horizontal plane; the shape of the circular ring comprises a circular ring with an opening, the circular ring comprises a first probe area with a plurality of probes distributed non-uniformly, and the first probe area is arranged in the vicinity of the opening; the probes are arranged at unequal intervals at the bottom of the traditional annular distributed probe array, so that the antenna test extreme area has a better test effect.
Description
Technical Field
The utility model relates to an antenna test system especially relates to a based on many probes sphere near field antenna test system.
Background
With the development of communication technology, the complexity of communication equipment is higher and higher, and the test requirements of the communication equipment are higher and higher, so that test systems such as compact range and multi-probe spherical near field are developed to test the complex communication equipment, wherein the multi-probe spherical near field test system becomes a benchmark in the industry due to its excellent characteristics of high test precision, wide test range, and the like.
The existing multi-probe spherical near-field test system mainly comprises a hardware main body of the system, wherein the hardware main body is composed of an annular probe array and a test turntable. Therefore, the opening of the ring probe array generally uses the test data of the nearby probe to calculate the electromagnetic radiation parameters of the device under test in the bottom direction by a mathematical compensation method. There is thus an inevitable loss in accuracy in this extreme region of the base, and so how to avoid or attenuate this loss is a new problem.
The invention content is as follows:
in order to overcome prior art not enough, the utility model provides a based on many probes sphere near field antenna test system, on the traditional basis of evenly arranging the probe array, creative bottom opening part at cyclic annular probe array adds the probe of several non-equidistant distribution, optimizes to this extreme zone in cyclic annular probe array bottom, has improved the test accuracy of test system in this region.
The utility model discloses a based on many probes sphere near field antenna test system, include: the system comprises an annular distribution probe array, a tested antenna and a multi-axis antenna test rotary table for placing the tested antenna; the annular distribution probe array comprises a circular ring formed by a plurality of probe arrays, the plurality of probes point to the center of the circular ring, and the circular ring is vertical to the horizontal plane; the shape of the ring comprises a ring with an opening, the ring comprises a first probe area with a plurality of probes non-uniformly distributed, and the first probe area is arranged near the opening.
Additionally, according to the utility model discloses a based on many probe sphere near field antenna test system still has following additional technical characteristics:
further, the shaft of the multi-axis antenna test turret includes: translation axle, lift axle, horizontal rotation axis, every single move axle, multiaxis test revolving stage includes the combination of one or more of above pivot.
Further, the annularly distributed probe array and the multi-axis antenna test rotary table are on the same plane.
Further, the multi-axis antenna test turntable is arranged at the opening.
Further, the ring comprises a second probe area with a plurality of probes evenly distributed.
Furthermore, the annular probe array further comprises a third probe area, wherein the third probe area is arranged on the periphery of the opening and is positioned on a spherical surface of the same circle center with the probes on the first probe area and the second probe area.
Preferably, the positions of the probes distributed at unequal intervals near the openings and the intervals among the probes can be adjusted to adapt to different test objects.
The beneficial effects of the utility model reside in that: through adding a plurality of probes that the interval distributes unequally in annular probe array bottom, adjust to different test object simultaneously for the measurement of many probes spherical field antenna test system in extreme test area is more high-efficient convenient, has improved the measuring accuracy in extreme area, and adjustable interval probe can let many probes spherical field antenna test system's application scope wider.
Drawings
FIG. 1 is a schematic diagram of the arrangement method of multi-probe spherical field probes of the present invention;
fig. 2 is a specific embodiment of the multi-probe spherical field probe arrangement method of the present invention.
Detailed Description
As shown in fig. 1, the technical solution of the present invention is as follows: the method comprises the following steps: the multi-axis antenna test system comprises an annular distribution probe array 1, a tested antenna 2 and a multi-axis antenna test rotary table 3 used for placing the tested antenna, wherein the annular probe array 1 is a circular ring with an opening formed by a plurality of probes, the multi-axis antenna test rotary table 3 is positioned at the opening of the annular probe array 1, the tested antenna 2 is placed on the multi-axis antenna test rotary table 3, the probes are distributed on the circular ring at a far area from the bottom at equal intervals, and the probes in the bottom area are distributed near the opening at the bottom at unequal intervals.
The annularly distributed probe array 1 includes a first probe area a, a second probe area b, and a third probe area (not shown), and the first probe area a and the second probe area b are provided on the annular ring. The first probe area a is arranged close to the opening of the circular ring and comprises a plurality of non-uniformly arranged probes, namely, the plurality of probes are arranged at non-equal intervals. The second probe area b is the other positions on the circular ring except the first probe area a, and the second probe area b comprises a plurality of uniformly arranged probes, namely, the plurality of probes are arranged at equal intervals. The third probe area (not shown) is located on the circumference of the opening and is on a spherical surface with the same center as the probes on the first probe area a and the second probe area b.
In addition, the position of the first probe area a and the distance between the probes can be adjusted to adapt to different test objects.
The beneficial effects of the utility model reside in that: through adding a plurality of probes (being first probe region a) that the interval distributes unequally at annular probe array bottom, adjust to different test objects simultaneously for the measurement of many probes spherical field antenna test system in extreme test area is more high-efficient convenient, has improved the measuring accuracy in extreme region, and adjustable interval probe can let many probes spherical field antenna test system's application scope wider.
The following are specific examples of this patent:
as shown in fig. 2, the multi-probe spherical field antenna test system is composed of an annular probe array 1, a tested antenna and a multi-axis antenna test turntable 3, wherein a plurality of probes are distributed at the top of the probe array at equal intervals, 2 probes are arranged at a position relatively close to the multi-axis antenna test turntable 3 at intervals, the distance between each probe and an adjacent probe is farther than that between other probes, the multi-axis test turntable 3 is arranged at the opening at the bottom of the annular probe array, the tested antenna 2 is arranged on the multi-axis antenna test turntable, and when the test is carried out, the multi-axis test turntable 3 rotates on the horizontal plane, so that a complete 3D directional diagram of the tested antenna 2 can be obtained.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a near field antenna test system structure based on many probes sphere which characterized in that includes: the system comprises an annular distribution probe array, a tested antenna and a multi-axis antenna test rotary table for placing the tested antenna;
the annular distribution probe array comprises a circular ring formed by a plurality of probe arrays, the plurality of probes point to the center of the circular ring, and the circular ring is vertical to the horizontal plane;
the shape of the ring comprises a ring with an opening, the ring comprises a first probe area with a plurality of probes non-uniformly distributed, and the first probe area is arranged near the opening.
2. The multi-probe spherical near-field antenna test system structure according to claim 1, wherein the shaft of the multi-shaft antenna test turntable comprises: translation axle, lift axle, horizontal rotation axis, every single move axle, multiaxis antenna test revolving stage includes the combination of one or more of above pivot.
3. The multi-probe spherical near-field antenna test system structure as claimed in claim 1, wherein the annularly distributed probe array and the multi-axis antenna test turntable are on the same plane.
4. The multi-probe spherical near-field antenna-based testing system structure as claimed in claim 1, wherein the multi-axis antenna testing turntable is disposed at the opening.
5. The multi-probe spherical near-field antenna based test system structure as claimed in claim 1, wherein the circular ring comprises a plurality of second probe areas with uniformly distributed probes.
6. The multi-probe spherical near-field antenna test system structure as claimed in claim 5, wherein the annularly distributed probe array further comprises a third probe area, the third probe area is disposed around the opening and is on a spherical surface with a same center as the probes on the first probe area and the second probe area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806419.0U CN211603353U (en) | 2019-10-25 | 2019-10-25 | Multi-probe-based spherical near-field antenna test system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806419.0U CN211603353U (en) | 2019-10-25 | 2019-10-25 | Multi-probe-based spherical near-field antenna test system structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211603353U true CN211603353U (en) | 2020-09-29 |
Family
ID=72586318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921806419.0U Active CN211603353U (en) | 2019-10-25 | 2019-10-25 | Multi-probe-based spherical near-field antenna test system structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211603353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848394A (en) * | 2021-09-23 | 2021-12-28 | 南京捷希科技有限公司 | Compact range air interface test equipment |
-
2019
- 2019-10-25 CN CN201921806419.0U patent/CN211603353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848394A (en) * | 2021-09-23 | 2021-12-28 | 南京捷希科技有限公司 | Compact range air interface test equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106443209B (en) | System and method for testing three-dimensional space far-field radiation characteristics of active base station antenna | |
| US4364182A (en) | Latin square three dimensional gage master | |
| CN209821290U (en) | Compact range antenna testing device based on 3D probe array | |
| CN210427680U (en) | System for testing radio frequency performance of vehicle antenna shared by spherical field and cylindrical field | |
| CN106872801A (en) | A kind of near field test system | |
| CN211603353U (en) | Multi-probe-based spherical near-field antenna test system structure | |
| CN205506947U (en) | 128 probe near field antenna test system | |
| CN109286453A (en) | The measuring system and measurement method with positioning system for beam forming measurement | |
| CN105739538B (en) | Localization method, locating test device and method based on manipulator motion device | |
| CN203798911U (en) | 16-probe near field antenna testing system | |
| CN110007157A (en) | Antenna measurement system and antenna measurement method | |
| CN109581081A (en) | Car antenna test method and single probe spherical surface near field sampling device | |
| CN206876773U (en) | A kind of near field test system | |
| CN108919152B (en) | Magnetic sensitivity three-dimensional verification system and method for vibration and impact sensor | |
| CN209131632U (en) | A kind of lens detector for outer diameter error non-rotating detection device | |
| CN111023992A (en) | Line structured light-based section curve characteristic detection method and application thereof | |
| CN112710903A (en) | Phase center testing method based on multi-probe spherical field antenna testing system | |
| CN112985299B (en) | Optical probe online detection method based on path planning | |
| CN110375679B (en) | Method for measuring dynamic axial line spatial position of rotary kiln riding wheel set | |
| GB2587826A (en) | Measuring the position of objects in space | |
| WO2018218794A1 (en) | Antenna measurement system | |
| CN111812611A (en) | Method for testing scattering characteristics of complete machine in narrow space | |
| CN114070428B (en) | Method and system for testing active performance of finished automobile antenna | |
| CN207399220U (en) | The rapid diagnosis system of wireless terminal | |
| CN113777556B (en) | Radio signal three-dimensional amplitude comparison direction finding method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |