CN106441228B - A kind of measurement method at antenna attitude angle - Google Patents
A kind of measurement method at antenna attitude angle Download PDFInfo
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- CN106441228B CN106441228B CN201611085552.2A CN201611085552A CN106441228B CN 106441228 B CN106441228 B CN 106441228B CN 201611085552 A CN201611085552 A CN 201611085552A CN 106441228 B CN106441228 B CN 106441228B
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- antenna
- sensor
- measurement
- attitude angle
- displacement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
Abstract
The invention discloses a kind of measurement methods at antenna attitude angle, specifically include：Step 1, fixed sensing station, determine the measurement direction of sensor；Step 2, sensor are along set orientation measurement away from the displacement put on antenna；Step 3, antenna rotation, sensor continue along set orientation measurement away from the displacement put on antenna；Step 4, the size that the deflection that antenna rotates is calculated using the displacement that above-mentioned steps measure.This method measures antenna azimuth using stroke scaling method, and antenna tilt angle is measured in conjunction with obliquity sensor, may be implemented to measure antenna attitude angle, not by magnetic disturbance, system continuous work and power supply are not needed, GPS or other radio positioning signals is not necessarily to, is widely used in various external environments.
Description
Technical field
The present invention relates to a kind of antenna attitude angular measurement, measurement and control area, especially a kind of antenna attitude angle measuring method.
Background technology
There are following several test modes at antenna attitude angle at present：
1, the attitude angle of antenna is measured by the way of MEMS obliquity sensor combination electronic compass.Electronic compass is to pass through
A kind of device that earth magnetic field variation determines deflection is measured, is easy to be interfered by metallic iron and other magnetizers, live magnetic school
Positive method operability in construction application is bad, therefore measurement method precision under common pylon antenna environment is not high,
Using being restricted.
2, antenna attitude angle is measured by the way of MEMS obliquity sensor combination gyroscopes.By persistently to gyroscope
Angular speed is integrated, and the direction angle offset of antenna can be measured.This method calculates antenna attitude angle, and there are lasting drifts
Error, and gyroscope apparatus is required to keep continuous power supply, it is inconvenient for use.
3, using differential GPS principle, the different longitude and latitude variation measuring and calculating antenna attitude angles for receiving coordinate points are utilized.In high precision
Differential GPS higher price, so the global design cost of the program is higher, and can not be applied in the environment of no GPS signal.
Invention content
The technical problem to be solved by the present invention is to：In view of the above problems, it provides and a kind of surveying antenna attitude angle
Deflection angle measurement in amount is converted into a kind of antenna attitude angle measuring method measured stroke length.
The technical solution adopted by the present invention is as follows：
A kind of measurement method at antenna attitude angle, which is characterized in that including：
Step 1, fixed sensing station, determine the measurement direction of sensor；
Step 2, sensor are along set orientation measurement away from the displacement put on antenna；
Step 3, antenna rotation, sensor continue along set orientation measurement away from the displacement put on antenna；
Step 4, the size that the deflection that antenna rotates is calculated using the displacement that above-mentioned steps measure.
Further, deflection size α=arccos { [a of antenna rotation2+b2-(r1-r2)2]/2ab }, whereinWherein r1、r2Respectively in step 2 and step 3
The displacement measured, l are the supporting rack length of sensor, and β is the angle in antenna support frame direction and measurement direction.
Further, the method is suitable within ranging from ± 10 ° of antenna rotation angle.
Further, the method is suitable for the antenna that measuring surface is plane.
Further, the sensor includes the sensor that all can measure distance displacement.
Further, the method that sensor measurement direction is determined in the step 1 is to determine antenna overlooking model midsole
Portion is some measurement point.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：Day is measured with stroke scaling method
Line azimuth measures antenna tilt angle, using the systematic survey antenna attitude angle, not by magnetic disturbance, no in conjunction with obliquity sensor
System continuous work and power supply are needed, GPS or other radio positioning signals is not necessarily to, is widely used in various external environments.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1：Antenna attitude angle measuring method schematic diagram
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
The size of antenna rotational angle is calculated by method disclosed by the invention, positive and negative to be determined by direction of rotation, up time
Needle direction of rotation is just that direction of rotation counterclockwise is negative.
A kind of measurement method at antenna attitude angle, which is characterized in that including：
Step 1, fixed sensing station, determine the measurement direction of sensor；
Step 2, sensor are along set orientation measurement away from the displacement put on antenna；
Step 3, antenna rotation, sensor continue along set orientation measurement away from the displacement put on antenna；
Step 4, the size that the deflection that antenna rotates is calculated using the displacement that above-mentioned steps measure.
Further, deflection size α=arccos { [a of antenna rotation2+b2-(r1-r2)2]/2ab }, whereinWherein r1、r2Respectively in step 2 and step 3
The displacement measured, l are the supporting rack length of sensor, and β is the angle in antenna support frame direction and measurement direction.
Further, the method be suitable for ranging from ± 10 ° of antenna rotation angle within, measurement accuracy be ±
1.2°。
Further, the method is suitable for the antenna that measuring surface is plane, and plane includes rectangular surfaces, disc, sector
The shapes such as face.
Further, the sensor includes the sensor that all can measure distance displacement.
Further, the method that sensor measurement direction is determined in the step 1 is to determine antenna overlooking model midsole
Portion is some measurement point, the distance of any recently on the set direction of sensor measurement and on antenna.
A kind of antenna attitude angle measuring method disclosed by the invention is described in the present embodiment combination Fig. 1, the present embodiment
In sensor be stroke sensor, the measuring surface of antenna is rectangular surfaces.According to antenna installation situation, establish several as shown in Figure 1
What model：O be pole center, DEFG be antenna overlooking model, OA be stroke sensor mounting plane in pole to antenna away from
It is stroke sensor supporting rack from, OC, when measurement is fixed value, and CB and CH is stroke sensor measured value, in the application can
Constantly change with the rotation of aerial angle, it is assumed that antenna moves on to the positions D'E'F'G' after turning an angle, then OA moves on to O'
The positions A', ∠ AOA' are required azimuth, by trigonometric function it can be proved that as OA=OA', ∠ AOA'=∠ BOB'.
In rotation, axis is rotated antenna centered on pole, and the distance of pole to antenna is constant in stroke sensor mounting plane.
When antenna rotates, stroke sensor measure on set direction and antenna on the distance of any recently, that is, measure CB extended lines with
The distance of D'E' intersection points H points.In allowable range of error, ∠ AOA' are replaced with ∠ BOH approximations, in triangle support frame OCB,
OC, OB, ∠ OCB are it is known that ∠ BOH can be found out by triangle relation by measuring the length of BH, to convert angle measurement to
Displacement measurement.Its conversion formula is as follows：
∠ BOH=arccos [(OB2+OH2-BH2)/2×OB×OH]
Wherein, BH=CH-CB.
The invention is not limited in specific implementation modes above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (5)
1. a kind of measurement method at antenna attitude angle, which is characterized in that including：
Step 1, fixed sensing station, determine the measurement direction of sensor；
Step 2, sensor are along set orientation measurement away from the displacement put on antenna；
Step 3, antenna rotation, sensor continue along set orientation measurement away from the displacement put on antenna；
Step 4, the size that the deflection that antenna rotates is calculated using the displacement that above-mentioned steps measure,
Deflection size α=arccos { [a of antenna rotation2+b2-(r1-r2)2]/2ab }, whereinWherein r1、r2Respectively step 2 and step 3
In the displacement that measures, l is the supporting rack length of sensor, and β is the angle in sensor support frame direction and measurement direction.
2. a kind of measurement method at antenna attitude angle according to claim 1, which is characterized in that the method is suitable for antenna
Rotation angle range is within ± 10 °.
3. a kind of measurement method at antenna attitude angle according to claim 1, which is characterized in that the method is suitable for measuring
Face is the antenna of plane.
4. a kind of measurement method at antenna attitude angle according to claim 1, which is characterized in that the sensor includes all
It can measure the sensor of distance displacement.
5. a kind of measurement method at antenna attitude angle according to claim 1, which is characterized in that determine and pass in the step 1
The method of sensor measurement direction is that bottom is some measurement point in determining antenna overlooking model.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611085552.2A CN106441228B (en) | 2016-11-30 | 2016-11-30 | A kind of measurement method at antenna attitude angle |
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| CN201611085552.2A CN106441228B (en) | 2016-11-30 | 2016-11-30 | A kind of measurement method at antenna attitude angle |
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| CN106441228A CN106441228A (en) | 2017-02-22 |
| CN106441228B true CN106441228B (en) | 2018-10-12 |
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| CN109582045B (en) * | 2019-01-08 | 2022-07-01 | 北京慧清科技有限公司 | Initial alignment method of antenna when carrier is inclined |
| CN115493858A (en) * | 2022-11-16 | 2022-12-20 | 浙江凌昇动力科技有限公司 | Measuring device and measuring method for attitude angle of automobile power assembly |
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| KR100585834B1 (en) * | 2003-03-21 | 2006-06-01 | 에스케이 텔레콤주식회사 | Method and system for measuring and correcting resources of mobile telecommunications base station antenna |
| CN202216688U (en) * | 2011-09-26 | 2012-05-09 | 华为技术有限公司 | Antenna azimuth angle detecting device |
| CN103808300B (en) * | 2014-02-27 | 2017-04-12 | 长沙威佳通信科技有限公司 | antenna attitude detection system |
| CN104792300A (en) * | 2015-04-09 | 2015-07-22 | 江苏省东方世纪网络信息有限公司 | Attitude measurement system and method for base station antennae |
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