CN105406922A - Space radiation performance testing method - Google Patents
Space radiation performance testing method Download PDFInfo
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- CN105406922A CN105406922A CN201410449114.4A CN201410449114A CN105406922A CN 105406922 A CN105406922 A CN 105406922A CN 201410449114 A CN201410449114 A CN 201410449114A CN 105406922 A CN105406922 A CN 105406922A
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 230000005855 radiation Effects 0.000 title claims abstract description 15
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- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims abstract description 4
- 238000011056 performance test Methods 0.000 claims description 9
- 230000035945 sensitivity Effects 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 3
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Abstract
The invention discloses a space radiation performance testing method, and the method comprises the following steps: building a spherical coordinate system: placing a tested wireless communication product on a rotating shaft of a microwave dark room testing system, and taking the tested product as the original point for building the spherical coordinate system defined by x-axis, y-axis and z-axis; selecting testing points: enabling probes of the microwave dark room testing system to be distributed in a vertical plane, comprising the x-axis, at uniform angle intervals, wherein the positions which are sequentially recorded by a horizontal rotating probe serve as the testing points; carrying out testing: horizontally rotating a testing device, and sequentially testing the radiation performance data of the testing points at different angles corresponding to all testing angles according to the size of the angles of all testing points; and carrying out data processing: carrying out extreme value analysis of recorded data of all testing points. Through the above steps, the method reduces the testing cost, reduces the number of spatial testing points, saves the testing time, improves the testing efficiency, and provides strong guarantee for the development progress of wireless communication equipment.
Description
Technical field
The present invention relates to a kind of technical field of radio frequency test of wireless communications products, particularly a kind of space radiation performance test methods.
Background technology
At present, existing portable radiotelephone mobile terminal, the test to its radiance all can be related at the links of research and development, production, certification, total radiant power (TRP) and total receiving sensitivity (TIS) must reach certain value, and namely space radiation performance (OTA) requirement is up to standard.CTIA (cellular standards association) has formulated mobile terminal radio frequency performance test standard (ThetestplanformobilestationOTAperformance), and CTIA standard is deferred in all operators, exploitation commercial city.But existing method of testing comparatively very complicated, testing cost is higher, needs to waste a large amount of testing times, have a strong impact on testing efficiency, sound assurance can not be provided for the research and development progress of wireless telecommunications system.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, proposes a kind of saving testing time, can improve the space radiation performance test methods of testing efficiency.
The technical problem to be solved in the present invention is achieved through the following technical solutions, a kind of space radiation performance test methods, be characterized in: comprise the steps, (1) spheric coordinate system is set up: be placed on by tested wireless communications products on the rotating shaft of microwave dark room test macro, be that initial point sets up x with test product, y, the spheric coordinate system that z-axis defines; (2) selecting test point: the probe of microwave dark room test macro in the perpendicular comprising z-axis according to evenly spaced angular distribution, the rotating shaft of described microwave dark room test macro overlaps with z-axis, horizontally rotates the position that probe records successively and is test point; (3) test: horizontally rotate testing apparatus, the radiance data of the test point at the different angles corresponding to each angle are tested successively according to the angle size of each test point, θ angle is the angle of test point and described z-axis, and φ angle is the angle between described x-axis and the projection of test point in x, y plane; (4) data processing: extreme value analysis is done to the data of all test point records, at vicinity, linear interpolation is carried out respectively for θ angle and φ angle, the interpolation interval at θ angle and φ angle is reduced to 1/4th of primary leading respectively, then the space radiation data of each test point above-mentioned is weighted to the total test result on average obtaining whole space.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and the rotating range of described rotating shaft is 0-360 degree.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and total test result of described test point comprises at least one in following data: total radiant power, total receiving sensitivity, and wherein the computing formula of total radiant power is:
the computing formula of total receiving sensitivity is:
described
for angle is θ
i,
the equivalent isotropically radiated power horizontal polarized components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent isotropically radiated power perpendicular polarisation components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent omnidirectional received power horizontal polarized components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent omnidirectional received power perpendicular polarisation components value of test point, unit is milliwatt; N
lfor sampling number.
Compared with prior art, the present invention is by the step of spheric coordinate system foundation, selecting test point, test, data processing, reduce testing cost, decrease the quantity of space test point, save the testing time, improve the efficiency of test, for the research and development progress of Wireless Telecom Equipment provides powerful guarantee.
Embodiment
A kind of space radiation performance test methods, comprise the steps, (1) sets up spheric coordinate system: be placed on by tested wireless communications products on the rotating shaft of microwave dark room test macro, is that initial point sets up x with test product, y, the spheric coordinate system that z-axis defines; (2) selecting test point: the probe of microwave dark room test macro in the perpendicular comprising z-axis according to evenly spaced angular distribution, the rotating shaft of described microwave dark room test macro overlaps with z-axis, horizontally rotates the position that probe records successively and is test point; (3) test: horizontally rotate testing apparatus, the radiance data of the test point at the different angles corresponding to each angle are tested successively according to the angle size of each test point, θ angle is the angle of test point and described z-axis, and φ angle is the angle between described x-axis and the projection of test point in x, y plane; (4) data processing: extreme value analysis is done to the data of all test point records, at vicinity, linear interpolation is carried out respectively for θ angle and φ angle, the interpolation interval at θ angle and φ angle is reduced to 1/4th of primary leading respectively, then the space radiation data of each test point above-mentioned is weighted to the total test result on average obtaining whole space.
The rotating range of described rotating shaft is 0-360 degree; Total test result of described test point comprises at least one in following data: total radiant power, total receiving sensitivity, and wherein the computing formula of total radiant power is:
the computing formula of total receiving sensitivity is:
described
for angle is θ
i,
the equivalent isotropically radiated power horizontal polarized components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent isotropically radiated power perpendicular polarisation components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent omnidirectional received power horizontal polarized components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent omnidirectional received power perpendicular polarisation components value of test point, unit is milliwatt; N
lfor sampling number.By the present invention, the test point quantity in space can be made few, thus save the testing time, improve testing efficiency, reduce testing cost, for the research and development progress of Wireless Telecom Equipment provides powerful guarantee.
Claims (3)
1. a space radiation performance test methods, is characterized in that: comprise the steps,
(1) setting up spheric coordinate system: be placed on by tested wireless communications products on the rotating shaft of microwave dark room test macro, is that initial point sets up x, y with test product, the spheric coordinate system that z-axis defines;
(2) selecting test point: the probe of microwave dark room test macro in the perpendicular comprising z-axis according to evenly spaced angular distribution, the rotating shaft of described microwave dark room test macro overlaps with z-axis, horizontally rotates the position that probe records successively and is test point;
(3) test: horizontally rotate testing apparatus, the radiance data of the test point at the different angles corresponding to each angle are tested successively according to the angle size of each test point, θ angle is the angle of test point and described z-axis, and φ angle is the angle between described x-axis and the projection of test point in x, y plane;
(4) data processing: extreme value analysis is done to the data of all test point records, at vicinity, linear interpolation is carried out respectively for θ angle and φ angle, the interpolation interval at θ angle and φ angle is reduced to 1/4th of primary leading respectively, then the space radiation data of each test point above-mentioned is weighted to the total test result on average obtaining whole space.
2. space radiation performance test methods according to claim 1, is characterized in that: the rotating range of described rotating shaft is 0-360 degree.
3. space radiation performance test methods according to claim 1, is characterized in that: total test result of described test point comprises at least one in following data: total radiant power, total receiving sensitivity, and wherein the computing formula of total radiant power is:
the computing formula of total receiving sensitivity is:
described
for angle is θ
i,
the equivalent isotropically radiated power horizontal polarized components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent isotropically radiated power perpendicular polarisation components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent omnidirectional received power horizontal polarized components value of test point, unit is milliwatt;
for angle is θ
i,
the equivalent omnidirectional received power perpendicular polarisation components value of test point, unit is milliwatt; N
lfor sampling number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410449114.4A CN105406922A (en) | 2014-09-04 | 2014-09-04 | Space radiation performance testing method |
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| CN201410449114.4A CN105406922A (en) | 2014-09-04 | 2014-09-04 | Space radiation performance testing method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911180A (en) * | 2017-11-16 | 2018-04-13 | 四川长虹电器股份有限公司 | A kind of spacial radio frequency performance test method of large scale end product |
| CN110531176A (en) * | 2019-08-19 | 2019-12-03 | 山东大学 | A kind of active antenna TRP method for fast measuring |
| CN111736135A (en) * | 2020-05-12 | 2020-10-02 | 惠州市德赛西威汽车电子股份有限公司 | Performance detection method, system and equipment of infrared detection equipment |
| CN112491484A (en) * | 2020-11-18 | 2021-03-12 | 惠州Tcl移动通信有限公司 | Radio frequency test method, device, storage medium and electronic device |
| CN112702126A (en) * | 2020-12-24 | 2021-04-23 | 京信网络系统股份有限公司 | Omnidirectional radiated power test equipment, system, method, device and storage medium |
| CN115378518A (en) * | 2022-09-19 | 2022-11-22 | 深圳市中承科技有限公司 | Radio frequency communication equipment space radiation testing system and method based on deep learning |
| CN116614835A (en) * | 2022-02-08 | 2023-08-18 | 北京荣耀终端有限公司 | Method and device for testing reference signal received power |
| CN120512192A (en) * | 2025-07-22 | 2025-08-19 | 深圳信息通信研究院 | Method, device, equipment and readable storage medium for testing wireless performance of equipment |
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- 2014-09-04 CN CN201410449114.4A patent/CN105406922A/en active Pending
Patent Citations (4)
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911180A (en) * | 2017-11-16 | 2018-04-13 | 四川长虹电器股份有限公司 | A kind of spacial radio frequency performance test method of large scale end product |
| CN110531176A (en) * | 2019-08-19 | 2019-12-03 | 山东大学 | A kind of active antenna TRP method for fast measuring |
| CN110531176B (en) * | 2019-08-19 | 2021-05-11 | 山东大学 | Active antenna TRP rapid measurement method |
| CN111736135A (en) * | 2020-05-12 | 2020-10-02 | 惠州市德赛西威汽车电子股份有限公司 | Performance detection method, system and equipment of infrared detection equipment |
| CN111736135B (en) * | 2020-05-12 | 2023-08-04 | 惠州市德赛西威汽车电子股份有限公司 | Performance detection method, system and equipment of infrared detection equipment |
| CN112491484A (en) * | 2020-11-18 | 2021-03-12 | 惠州Tcl移动通信有限公司 | Radio frequency test method, device, storage medium and electronic device |
| CN112702126A (en) * | 2020-12-24 | 2021-04-23 | 京信网络系统股份有限公司 | Omnidirectional radiated power test equipment, system, method, device and storage medium |
| CN116614835A (en) * | 2022-02-08 | 2023-08-18 | 北京荣耀终端有限公司 | Method and device for testing reference signal received power |
| CN115378518A (en) * | 2022-09-19 | 2022-11-22 | 深圳市中承科技有限公司 | Radio frequency communication equipment space radiation testing system and method based on deep learning |
| WO2024060592A1 (en) * | 2022-09-19 | 2024-03-28 | 深圳市中承科技有限公司 | System and method based on deep learning for testing space radiation of radio frequency communication device |
| CN120512192A (en) * | 2025-07-22 | 2025-08-19 | 深圳信息通信研究院 | Method, device, equipment and readable storage medium for testing wireless performance of equipment |
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Application publication date: 20160316 |