CN111174751A - Portable antenna photoelectric direction and posture measuring instrument and adjusting method and application thereof - Google Patents
Portable antenna photoelectric direction and posture measuring instrument and adjusting method and application thereof Download PDFInfo
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- CN111174751A CN111174751A CN201911372789.2A CN201911372789A CN111174751A CN 111174751 A CN111174751 A CN 111174751A CN 201911372789 A CN201911372789 A CN 201911372789A CN 111174751 A CN111174751 A CN 111174751A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/53—Determining attitude
- G01S19/54—Determining attitude using carrier phase measurements; using long or short baseline interferometry
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
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Abstract
The invention belongs to the technical field of attitude measurement, and particularly relates to a portable antenna photoelectric direction and attitude measurement instrument and an adjusting method and application thereof: by combining the technical scheme of the GNSS dual-antenna short baseline carrier phase differential coherent direction finder, the direction and the attitude of the antenna can be measured, the operation is convenient, and the overhead operation is reduced.
Description
Technical Field
The invention belongs to the technical field of attitude measurement, and particularly relates to a portable antenna photoelectric direction and attitude measurement instrument and an adjusting method and application thereof.
Background
Since mobile communication operators put forward antenna working parameter measurement, after the routing optimization design is to be realized, direction and attitude measuring instruments of various mobile communication antennas are continuously and successfully researched and developed, and a north indicator using a geomagnetic signal is utilized; a direction finder utilizing sum and difference beams and satellite signals; the most practical and most applicable attitude measuring instrument for dual-antenna carrier phase interferometry using satellite signals of Global Navigation Satellite System (GNSS) has an angle measurement accuracy of less than 1 degree, can be externally arranged at the upper end of a mobile antenna outer housing, can also be internally arranged in a mobile antenna and is already applied to mobile network optimization, but the attitude measuring instruments are fixedly arranged on the mobile antenna, when adjustment and maintenance are needed, a maintenance worker must climb on a base station iron tower to perform overhead operation to complete the service, the operation is troublesome, whether another type of attitude measuring instrument for angle measurement can be developed, the attitude measuring instrument for angle measurement does not need to be fixedly arranged on the mobile antenna of the base station iron tower, but can conveniently test the installation direction and the attitude of the mobile antenna on the ground, so that the coverage direction and the range of antenna beams can be judged in time, can also verify whether the accuracy of the direction and attitude measuring instrument mounted on the mobile antenna is qualified? Is there a fault? The antenna can be directly arranged on the ground to complete the work of inspection, calibration, adjustment, maintenance and the like, so that the operation is convenient, the high-altitude operation is reduced, the high-altitude operation is even avoided, the structural equipment forming the whole antenna can be simplified, and the manufacturing cost is reduced. The design idea as above is always an important topic in the field of antenna attitude measurement.
For example, the patent document CN201910129039.6 of the chinese patent application number discloses a multi-antenna GNSS carrier phase precision attitude measurement method considering baseline deformation, which includes the following steps: 3 antennas are distributed on a carrier to form 2 base lines, and the 2 base lines form a carrier coordinate system; calibrating the geometric vectors of each base line in advance under the carrier coordinate system; acquiring original pseudo ranges and carrier phase observed quantities output by receivers corresponding to 3 antennas; constructing a double-difference observed quantity between baselines by utilizing the generated original pseudo-range and the carrier phase observed quantity; constructing a posture measuring model based on a measuring domain by taking the posture information as a state quantity; and (4) considering the baseline deformation factor, and constructing a random model considering the baseline deformation.
The prior art discloses a multi-antenna GNSS carrier phase precision attitude measurement method considering baseline deformation, and the prior art still needs to arrange antennas on a carrier to finish attitude measurement, namely the technical problem is solved.
Based on the technical problems in the prior art, the inventor provides a portable antenna photoelectric direction and posture measuring instrument and an adjusting method and application thereof by combining years of research experience.
Disclosure of Invention
The invention provides a portable antenna photoelectric direction and attitude measuring instrument and an adjusting method and application thereof, and the technical scheme of combining an optical telescope with a GNSS dual-antenna short baseline carrier phase differential coherent direction finder is adopted to realize the measurement of the direction and the attitude of an antenna, facilitate the operation and reduce the overhead operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable antenna electro-optical direction and attitude measuring instrument, comprising:
the GNSS dual-antenna short baseline carrier phase differential coherent direction finder is parallel to the optical lens barrel, and the reflector is perpendicular to the optical telescope.
Furthermore, the optical telescope is erected through a lens cone support, and the lens cone support comprises an adjusting supporting leg, an operating platform arranged at the top end of the adjusting supporting leg, an azimuth rotating shaft arranged on the operating platform and used for adjusting the azimuth of the optical telescope, and a pitching rotating shaft arranged on the azimuth rotating shaft and used for adjusting the pitching angle of the optical telescope.
Further, the GNSS dual-antenna short-baseline carrier phase differential coherent direction finder comprises a dual antenna capable of receiving GNSS signals and a receiver connected with the dual antenna.
Furthermore, a reflector on the outer cover of the antenna to be measured is perpendicular to the pointing direction of the antenna to be measured.
Furthermore, a leveling bubble and a compass are arranged on the operating platform.
Furthermore, the receiver is provided with a signal processing module for processing the GNSS signal and a resolving module for resolving ambiguity of the processed signal.
Furthermore, the receiver is also provided with an output interface, the output interface is connected with a wireless transmission chip, and the wireless transmission chip can be connected to a mobile network platform or a computer.
The invention also provides an adjusting method of the portable antenna photoelectric direction and posture measuring instrument, which comprises the following steps:
step 1: erecting a portable antenna photoelectric direction and posture measuring instrument according to the arrangement position of a reflective sheet on the outer cover of the antenna to be measured, adjusting an adjusting support leg of a lens cone bracket to enable an operating platform to be horizontal, and adjusting the north orientation according to a compass;
step 2: switching on a power supply of the optical telescope, lighting a bulb in an ocular lens of the optical telescope, and adjusting an azimuth rotating shaft and a pitching rotating shaft of the optical telescope to enable a reflected cross-hair image of the auto-collimation ocular lens to return to enter the lens barrel;
step 3, observing a vertical direction deviation angle delta α and a horizontal direction deviation angle delta β of a reflected cross hair image of the auto-collimation eyepiece and a cross hair image in the eyepiece on the eyepiece;
step 4, recording angle measurement values, vertical deflection angles alpha and horizontal deflection angles beta of the GNSS double-antenna short-baseline carrier phase differential coherent direction finder arranged above the optical lens cone;
step 5, α -delta alpha, β -delta beta are the pointing angle values alpha 'and beta' of the mobile antenna beam;
and 6, comparing α 'and β' with the angle measurement value of the direction-finding and posture-measuring instrument arranged on the mobile antenna to verify the usability of the portable antenna photoelectric direction-finding and posture-measuring instrument.
The invention also provides application of the portable antenna photoelectric direction and attitude measuring instrument in measurement of the attitude angle of the mobile antenna.
Compared with the prior art, the invention has the following advantages:
1. the portable antenna photoelectric direction and posture measuring instrument solves the direction finding problem of a mobile antenna without the direction and posture measuring instrument, the measuring method is simple to operate, workers do not need to climb towers any more, the working strength and difficulty of the workers can be reduced, meanwhile, the composition of the whole structure of the antenna can be simplified, and the development cost can be reduced.
2. The portable antenna photoelectric direction and posture measuring instrument has strong practicability, can directly measure the direction of the antenna which is not provided with the direction and posture measuring instrument on the ground, can select the antenna which is not provided with the direction and posture measuring instrument and is arranged on the base station iron tower, can not do the reconstruction of increasing the direction and posture measuring instrument, and can carry out real-time calibration on the antenna provided with the direction and posture measuring instrument.
3. The portable antenna photoelectric direction and attitude measuring instrument is provided with the GNSS carrier signal differential coherent direction measuring device, and the direction measuring precision is higher.
4. The portable antenna photoelectric direction and attitude measuring instrument can measure and calibrate an azimuth pointing angle in a horizontal plane and can also measure and calibrate a pitch angle, and is not like a direction angle value measured by an inertial sensor device being a relative angle change value and a direction angle value measured being an absolute direction angle measurement value, and the absolute direction angle measurement value does not need to be converted, so that the portable antenna photoelectric direction and attitude measuring instrument is visual and convenient to use.
5. The portable antenna photoelectric direction-finding and attitude-detecting instrument has low manufacturing cost, the lens cone and the bracket can use the existing devices such as an astronomical telescope, and the like, and particularly has low requirements on the bracket, the bracket installation and alignment, and the optical telescope lens cone for measurement, and the measurement can be carried out by using the plane of the antenna shell, and the measurement is better if a reflecting cursor is adhered on the plane of the antenna shell.
Drawings
Fig. 1 is a schematic structural diagram of a portable antenna photoelectric direction and attitude measuring instrument according to this embodiment.
FIG. 2 is a schematic diagram of an application of the optical telescope in the present embodiment;
fig. 3 is a deviation angle between the cross-hair image in the eyepiece and the reflected cross-hair image in the present embodiment.
In the figure, 1-optical telescope, 11-lens cone support, 111-adjusting support leg, 112-operation platform, 113-azimuth rotating shaft, 114-elevation rotating shaft and 2-GNSS double-antenna short baseline carrier phase differential coherent direction finder.
Detailed Description
In order that the above objects, features and advantages of the present invention may be more clearly understood, the present invention is described in further detail below with reference to specific embodiments, it should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Example 1
As shown in fig. 1, a portable antenna photoelectric direction and posture measuring instrument includes:
the phase difference coherent direction finder comprises an optical telescope 1, a GNSS double-antenna short baseline carrier phase difference coherent direction finder 2 arranged above an optical lens barrel of the optical telescope 1 and a reflector (not shown) arranged on an outer cover of an antenna to be measured, wherein the optical telescope 1 is provided with an auto-collimation eyepiece, the GNSS double-antenna short baseline carrier phase difference coherent direction finder 2 is parallel to the optical lens barrel, the reflector is perpendicular to the optical telescope 1, and specifically, the reflector is perpendicular to an optical axis of the optical telescope 1.
The optical telescope 1 is erected through a lens barrel support 11, and the lens barrel support 11 comprises an adjusting supporting leg 111, an operating platform 112 mounted at the top end of the adjusting supporting leg 111, an azimuth rotating shaft 113 arranged on the operating platform 112 and used for adjusting the azimuth of the optical telescope 1, and a pitching rotating shaft 114 arranged on the azimuth rotating shaft 113 and used for adjusting the pitching angle of the optical telescope 1.
In this embodiment, the number of the adjusting legs 111 may be 3 or 4.
as shown in fig. 2, the projection light of the optical telescope 1 with the auto-collimation eyepiece is projected onto the reflector on the measured antenna housing, the projection light is reflected by the reflection of the reflector, the reflection light is also projected onto the eyepiece of the optical telescope 1 by adjusting the angle of the optical telescope, as shown in fig. 3, the projection light generates a cross-hair image in the eyepiece on the eyepiece, the reflected light generates a reflected cross-hair image in the eyepiece, and the vertical deviation angle Δ α and the horizontal deviation angle Δ β of the reflected cross-hair image and the cross-hair image in the eyepiece can be obtained on the eyepiece.
The GNSS dual-antenna short-baseline carrier phase differential coherent direction finder 2 comprises a dual antenna capable of receiving GNSS signals and a receiver connected with the dual antenna.
In this embodiment, the housing of the antenna to be tested is planar; the reflector is also planar.
In this embodiment, the reflector on the housing of the antenna under test is perpendicular to the pointing direction of the antenna under test.
The operating platform 112 is provided with a leveling bubble and a compass.
The receiver is provided with a signal processing module for processing the GNSS signals and a resolving module for resolving the carrier integer ambiguity of the processed signals.
In this embodiment, after the dual antenna receives the GNSS signal, the GNSS signal is filtered, amplified, down-converted to the intermediate frequency and the intermediate frequency carrier signal by the signal processing module, and then the ambiguity is resolved by the resolving module.
The receiver is further provided with an output interface, the output interface is connected with a wireless transmission chip, and the wireless transmission chip can be connected to a mobile network platform or a computer.
An adjusting method of a portable antenna photoelectric direction and posture measuring instrument is realized by the following steps:
step 1: erecting a portable antenna photoelectric direction and posture measuring instrument according to the arrangement position of a reflective sheet on the outer cover of the antenna to be measured, adjusting an adjusting support leg of a lens cone bracket to enable an operating platform to be horizontal, and adjusting the north orientation according to a compass;
step 2: switching on a power supply of the optical telescope, lighting a bulb in an ocular lens of the optical telescope, and adjusting an azimuth rotating shaft and a pitching rotating shaft of the optical telescope to enable a reflected cross-hair image of the auto-collimation ocular lens to return to enter the lens barrel;
step 3, observing a vertical direction deviation angle delta α and a horizontal direction deviation angle delta β of a reflected cross hair image of the auto-collimation eyepiece and a cross hair image in the eyepiece on the eyepiece;
step 4, recording angle measurement values of the GNSS double-antenna short baseline carrier phase differential coherent direction finder, namely a vertical direction deflection angle α and a horizontal direction deflection angle β, which are arranged above the optical lens cone;
step 5, α -delta alpha, β -delta beta are the pointing angle values alpha 'and beta' of the mobile antenna beam;
and 6, comparing α 'and β' with the angle measurement value of the direction-finding and posture-measuring instrument arranged on the mobile antenna to verify the usability of the portable antenna photoelectric direction-finding and posture-measuring instrument.
In step 1 of the embodiment, the portable antenna photoelectric direction-finding gesture-measuring instrument is placed on the open ground beside the base station.
The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only for illustrating the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. The utility model provides a portable antenna photoelectricity direction finding surveys appearance which characterized in that includes:
the GNSS dual-antenna short baseline carrier phase differential coherent direction finder is parallel to the optical lens barrel, and the reflector is perpendicular to the optical telescope.
2. The portable antenna photoelectric direction and attitude measuring instrument according to claim 1, wherein the optical telescope is erected by a lens barrel support, and the lens barrel support comprises an adjusting leg, an operating platform mounted on a top end of the adjusting leg, an azimuth rotating shaft arranged on the operating platform and used for adjusting the azimuth of the optical telescope, and a pitch rotating shaft arranged on the azimuth rotating shaft and used for adjusting the pitch angle of the optical telescope.
3. The portable antenna optoelectronic direction and attitude measuring instrument of claim 1, wherein the GNSS dual-antenna short baseline carrier phase differential coherent direction finder comprises a dual antenna capable of receiving GNSS signals and a receiver connected to the dual antenna.
4. The portable antenna photoelectric direction and attitude measuring instrument according to claim 1, wherein the reflector on the housing of the antenna under test is perpendicular to the pointing direction of the antenna under test.
5. The portable antenna photoelectric direction and attitude measuring instrument according to claim 2, wherein the operating platform is provided with a leveling bubble and a compass.
6. The portable antenna photoelectric direction and attitude measuring instrument according to claim 3, wherein the receiver is provided with a signal processing module for processing the GNSS signal and a resolving module for resolving ambiguity of the processed signal.
7. The portable antenna photoelectric direction and attitude measuring instrument of claim 6, wherein the receiver is further provided with an output interface, the output interface is connected with a wireless transmission chip, and the wireless transmission chip can be connected to a mobile network platform or a computer.
8. An adjustment method of a portable antenna photoelectric direction and attitude measuring instrument according to any one of claims 1 to 7, comprising:
step 1: erecting a portable antenna photoelectric direction and posture measuring instrument according to the arrangement position of a reflective sheet on the outer cover of the antenna to be measured, adjusting an adjusting support leg of a lens cone bracket to enable an operating platform to be horizontal, and adjusting the north orientation according to a compass;
step 2: switching on a power supply of the optical telescope, lighting a bulb in an ocular lens of the optical telescope, and adjusting an azimuth rotating shaft and a pitching rotating shaft of the optical telescope to enable a reflected cross-hair image of the auto-collimation ocular lens to return to enter the lens barrel;
step 3, observing a vertical direction deviation angle delta α and a horizontal direction deviation angle delta β of a reflected cross hair image of the auto-collimation eyepiece and a cross hair image in the eyepiece on the eyepiece;
step 4, recording angle measurement values of the GNSS double-antenna short baseline carrier phase differential coherent direction finder, namely a vertical direction deflection angle α and a horizontal direction deflection angle β, which are arranged above the optical lens cone;
step 5, α -delta alpha, β -delta beta are the pointing angle value alpha of the mobile antenna wave beam，and beta，；
step 6, mixing alpha，and beta，And comparing the measured angle value with the angle value of the direction-finding and posture-measuring instrument installed on the mobile antenna to verify the usability of the portable antenna photoelectric direction-finding and posture-measuring instrument.
9. Use of the portable antenna electro-optical direction and attitude measurement instrument of any one of claims 1-7 for mobile antenna attitude angle measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911372789.2A CN111174751B (en) | 2019-12-27 | 2019-12-27 | Portable antenna photoelectric direction and posture measuring instrument and adjusting method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911372789.2A CN111174751B (en) | 2019-12-27 | 2019-12-27 | Portable antenna photoelectric direction and posture measuring instrument and adjusting method and application thereof |
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| CN111174751A true CN111174751A (en) | 2020-05-19 |
| CN111174751B CN111174751B (en) | 2022-09-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111781407A (en) * | 2020-07-03 | 2020-10-16 | 四川中迪电力工程有限公司 | Special operating platform for extra-high voltage transformer partial discharge test capable of being adjusted in multiple directions |
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| CN111174751B (en) | 2022-09-02 |
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