CN107063172B - A kind of external optical orientation equipment and its direction-finding method - Google Patents
A kind of external optical orientation equipment and its direction-finding method Download PDFInfo
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- CN107063172B CN107063172B CN201710379930.6A CN201710379930A CN107063172B CN 107063172 B CN107063172 B CN 107063172B CN 201710379930 A CN201710379930 A CN 201710379930A CN 107063172 B CN107063172 B CN 107063172B
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/28—Electromagnetic compasses
- G01C17/32—Electron compasses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
-
- 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
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a kind of external optical orientation equipment, comprising: antenna substrate is rotatably mounted on turntable, and the antenna substrate and the center of turntable are coaxial；First identifier bar is fixedly installed on the antenna substrate, and the first identifier bar and the antenna substrate and the center of turntable are coaxial；Second identifier bar is fixedly installed on the antenna substrate, and the distance between described first identifier bar is greater than the first set distance threshold value；Direction-finding device is fixedly installed on the antenna substrate, the central point of the direction-finding device is located on the line of the first identifier bar and the second identifier bar, and the direction-finding device is used to measure the azimuth of the line of the first identifier bar and the second identifier bar.External optical orientation equipment provided by the invention exists independently of to direction finding optical device, so as to realize multiple utilization；And use optical alignment, it is ensured that the precision of alignment.The present invention also provides corresponding direction-finding methods.
Description
Technical field
The invention belongs to optical orientation technical fields, more particularly, to a kind of external optical orientation equipment and its survey
To method.
Background technique
Under normal circumstances, the orientation scheme of optical instrumentation will usually include electronic compass or fibre optic gyroscope etc.
The orientation equipment and optical instrument of direction-finding device are connected.Since orientation equipment is expensive, many optical instrumentations are being designed
Shi Bingwei installs orientation equipment additional.And when the later period, application needed, then to install orientation equipment additional generally relatively difficult, and orientation equipment
Instrument performance detection and replacement it is also more troublesome.
Furthermore currently used connected scheme is usually by the axle center baseline pair of direction-finding device and optical instrumentation shell
It is quasi-.Since processing and installation precision may be insufficient, system is imaged with to direction finding optical device in the azimuth of orientation device device measuring
Uniting where optical axis, there may be differences at azimuth, cause the result of angle measurement that can have certain error.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of external optical orientation equipment and
Direction-finding method, its object is to the optical orientation schemes by external separate type, realize the azimuthal measurement of optical instrumentation,
Thus the technical problem of prior art middle and later periods installation difficulty and measurement accuracy deficiency is solved.
To achieve the above object, according to one aspect of the present invention, a kind of external optical orientation equipment is provided, including
Turntable, antenna substrate, first identifier bar, second identifier bar and direction-finding device, in which:
The antenna substrate is rotatably mounted on the turntable, and the antenna substrate and the center of turntable are coaxial；
The first identifier bar is fixedly installed on the antenna substrate, the first identifier bar and the antenna substrate and
The center of turntable is coaxial；
The second identifier bar is fixedly installed on the antenna substrate, and the distance between described first identifier bar is greater than
First set distance threshold value；
The direction-finding device is fixedly installed on the antenna substrate, and the central point of the direction-finding device is located at described first
On the line of mark rod and the second identifier bar, the direction-finding device is for measuring the first identifier bar and second mark
Know the azimuth of the line of bar.
In one embodiment of the present of invention, the direction-finding device includes the first GPS antenna, the second GPS antenna and GPS direction finding
Solving unit, first GPS antenna and the second GPS antenna are respectively positioned on the company of the first identifier bar and the second identifier bar
On line, the distance between first GPS antenna and the second GPS antenna are greater than the second set distance threshold value, the GPS direction finding solution
Module is calculated to be connected with first GPS antenna and the communication of the second GPS antenna.
In one embodiment of the present of invention, the direction-finding device is electronic compass or fibre optic gyroscope.
In one embodiment of the present of invention, the line of the first identifier bar and the second identifier bar is the antenna base
The central axis of plate.
In one embodiment of the present of invention, first GPS antenna is located at one end of the antenna substrate, and described second
GPS antenna is located at the other end of the antenna substrate.
In one embodiment of the present of invention, the second identifier bar is located at the first identifier bar and the described first GPS days
Between line.
In one embodiment of the present of invention, the height of the first identifier bar and second identifier bar is filled higher than the direction finding
It sets.
In one embodiment of the present of invention, first identifier bar top is provided with a light hole, the second identifier bar
The first light receiving unit is installed at upper position corresponding with the light hole of the first identifier bar, the turntable is by rotating electric machine
Driving rotation, first light receiving unit and the rotating electric machine communicate to connect；When first light receiving unit detects
When optical signal, the rotating electric machine stops rotating.
In one embodiment of the present of invention, the antenna substrate is rectangle or ellipse.
It is another aspect of this invention to provide that additionally providing a kind of direction finding side based on above-mentioned external optical orientation equipment
Method includes the following steps:
(1) the external optical orientation equipment is placed on from a certain distance to direction finding optical device, and made described
It is higher than the antenna substrate to direction finding optical device；
(2) adjusting the external optical orientation equipment keeps the first identifier bar alignment described to direction finding optical device
Center line；
(3) turntable for rotating the external optical orientation equipment, makes the second identifier bar, first identifier bar and institute
It states and is located on same line to the center line of direction finding optical device；
(4) azimuth of the line of the first identifier bar and the second identifier bar is measured by the direction-finding device,
To obtain the azimuth to direction finding optical device.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have following beneficial to effect
Fruit:
(1) external optical orientation equipment provided by the invention, using the optical orientation scheme of external separate type, the optics
Orientation equipment is without being fixed on to exist independently of to direction finding optical device, so as to apply on direction finding optical device
It, to direction finding optical device, realizes and repeatedly utilizes to different；Also, the scheme of external separate type makes optical orientation equipment
Debugging, alignment and measurement can be with flexible operatings；In addition, the scheme of external separate type can be flexibly right for different direction finding scenes
Optical orientation equipment is targetedly configured, and the flexibility and diversity of direction finding application are enhanced；
(2) external optical orientation equipment provided by the invention utilizes the center line and mark to direction finding optical device
Bar carry out optical alignment, rather than it is in the prior art direction-finding device is aligned with the axle center baseline of optical instrumentation shell, from
And realize the measurement for treating the Axis Azimuth angle of direction finding optical device；The program uses optical alignment, thereby may be ensured that alignment
Precision, overcome the prior art be connected in scheme because processing and installation precision it is insufficient caused by angle measurement error；
(3) external optical orientation equipment provided by the invention, can use double GPS antennas or electronic compass or
Fibre optic gyroscope realizes the measurement for treating the Axis Azimuth angle of direction finding optical device, and direction-finding method can also be directed to different direction findings
Scene is adjusted flexibly, and enhances the flexibility and diversity of direction finding application；
(4) external optical orientation equipment provided by the invention, can light receiving unit by second identifier bar and rotation
Rotating motor two mark rods of realization are automatically aligned to the center line to direction finding optical device, and the automatic of alignment both may be implemented
Change, while it is also ensured that the high precision being aligned, improves the accuracy of direction finding result；
(5) external optical orientation equipment provided by the invention can pass through the light receiving unit and peace of first identifier bar
Being automatically aligned to for first identifier bar and the center line to direction finding optical device is realized loaded on the automatic travelling device on bracket, thus
Initial alignment before realizing direction finding, both may be implemented alignment automation, while it is also ensured that alignment high precision,
Improve the accuracy of direction finding result；
(6) external optical orientation equipment provided by the invention, not only can be to not pacifying by the scheme of external separate type
The optical device of dress direction finding mechanism is oriented measurement, can also surveying to direction finding optical device to built-in direction finding mechanism
It detects and calibrates to device performance, to provide a kind of simple accurate detection standard scheme；
(7) direction-finding method provided by the invention based on above-mentioned external optical orientation equipment, passes through external separate type
Scheme can not only provide the measurement process of flexible and convenient, but also can guarantee accurate real-time measurement result, reduce measurement
Human cost, improve the accuracy of measurement result.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of external optical orientation equipment in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another external optical orientation equipment in the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of mark rod and double GPS antennas in the embodiment of the present invention；
Fig. 4 is a kind of process signal of the direction-finding method based on above-mentioned external optical orientation equipment in the embodiment of the present invention
Figure；
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
1- turntable 2- antenna substrate 3- first identifier bar 4- second identifier bar the first GPS antenna of 5- 6- the 2nd GPS days
Line 7- waits for direction finding optical device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
The present invention is based on azimuthal measurements that direction-finding device treats the center line of direction finding optical device, devise a set of outer
The mechanical device for setting formula rotation, solves to optical axis fast and accuracy alignment.It can be set up in outdoor vacant lot with tripod or vehicle frame etc.,
Azimuth determination, and surveying to direction finding optical device to built-in direction finding mechanism are carried out for treating direction finding optical device
It detects and calibrates to device performance.
As shown in Figure 1, the present invention provides a kind of external optical orientation equipment, including turntable 1, antenna substrate 2, first
Mark rod 3, second identifier bar 4 and direction-finding device, in which:
The antenna substrate 2 is rotatably mounted on the turntable 1, and the antenna substrate 2 and 1 center of turntable are same
Axis；
The first identifier bar 3 is fixedly installed on the antenna substrate 2, the first identifier bar 3 and the antenna base
1 central coaxial of plate 2 and the turntable；
The second identifier bar 4 is fixedly installed on the antenna substrate 2, the distance between described first identifier bar 3
Greater than the first set distance threshold value；
The direction-finding device is fixedly installed on the antenna substrate 2, and the central point of the direction-finding device is located at described the
On the line of one mark rod 3 and the second identifier bar 4, the direction-finding device is for measuring the first identifier bar 3 and described
The azimuth of the line of second identifier bar 4.
Normally, the turntable 1 is rotatably installed on tripod or other kinds of bracket.The antenna substrate 2,
Positional relationship between the first identifier bar 3, second identifier bar 4 and direction-finding device is relatively fixed.
The antenna substrate 2 is generally rectangle or ellipse, and mark rod and direction-finding device are generally placed along long axis direction.
When carrying out initial orientation before direction finding, need to be directed at first identifier bar 3, the original in addition utilized when direction finding
Reason be the lines of two mark rods with being aligned when the center line of direction finding optical device 7 when, to measure the line of two mark rods
Azimuth., it is preferable that the center of the line of the first identifier bar 3 and the second identifier bar 4 and the antenna substrate 2
Axis is overlapped.
In order to guarantee the accuracy of initial orientation and the accuracy of direction finding result, one is generally spaced between two mark rods
Fixed distance.Orientation equipment is also related at a distance to direction finding optical device 7 when this is apart from general and direction finding, if the two
Distance farther out, then also should be apart from each other between two mark rods, if the two is closer, between two mark rods
It can be at a distance of more closer.Also there are certain requirement, the too small essence that can not can guarantee alignment additionally, due to the size of antenna substrate 2
Degree, too big meeting cost inconvenient for use are excessively high.The length of general antenna substrate 2 is at 1-3 meters or so.
Specifically, when carrying out direction finding based on above structure, double GPS direction findings be can use, also can use electronic compass or
Person's fibre optic gyroscope carries out direction finding.
Further, as shown in Figures 2 and 3, the direction-finding device includes the first GPS antenna 5,6 and of the second GPS antenna
GPS direction finding solving unit, first GPS antenna 5 and the second GPS antenna 6 are respectively positioned on the first identifier bar 3 and described second
On the line of mark rod 4, the distance between first GPS antenna 5 and the second GPS antenna 6 are greater than the second set distance threshold value,
The GPS direction finding resolves module and is connected with first GPS antenna 5 and the communication of the second GPS antenna 6.
Since GPS antenna is disc and volume is larger, the embodiment of the present invention can first centring mark rod (first identifier
Bar 3), then by rotation turntable 1, center line, the two GPS antenna lines to direction finding optical device 7 are parallel, to realize fast
Speed, accurate measurement.
When the line of the first identifier bar 3 and second identifier bar 4 when the center line of direction finding optical device 7 with being aligned,
First GPS antenna 5 and the second GPS antenna 6 also are located on the line, are based on double GPS positionings using two GPS antennas at this time
Algorithm carries out azimuthal measuring and calculating.In order to guarantee the accuracy of double GPS positioning algorithms, should reach between two GPS antennas
A certain distance, generally in 1m to 2m or so.
Preferably, as shown in figure 3, first GPS antenna 5 is located at one end of the antenna substrate 2, the 2nd GPS
Antenna 6 is located at the other end of the antenna substrate 2.In Fig. 3, the second identifier bar 4 is located at the first identifier bar 3 and institute
It states between the first GPS antenna 5.Second GPS antenna 6 is located at the other end of antenna substrate 2.
In order to prevent the interference of direction-finding device or block (such as GPS antenna be it is discoid, may block alignment sight or
Light), generally, the height of the first identifier bar 3 and second identifier bar 4 is higher than the direction-finding device.
In specific practical application, for judging whether direction-finding device is aligned with the center line of optical instrument, can there is two
Kind mode of operation:
It (1), can be by light to be measured for cooperating optical device (can observe using the image of optical device)
It learns equipment and shows image and artificial observation, rotation is overlapped first marker post and second mark rod, completes to optical device
Alignment.
(2) non-cooperation optical device (can not be observed) using the image of optical device, is set to photometry
Standby outer installation parallel laser device, rotation turntable make laser pass through first identifier bar the second mark rod of arrival, complete to optical device
Alignment.
For the second way, in order to realize that optics is automatically aligned to, can make it is to be measured to optical device 7 with luminescence unit
(such as parallel laser device) can be emitted color laser that is parallel with the center line to direction finding optical device 7 or being overlapped.?
One mark rod, 3 top is provided with a light hole, while the light hole on the second identifier bar 4 with the first identifier bar 3
First light receiving unit is installed, the turntable 1 is driven by rotating electric machine to be rotated, the first light-receiving list at corresponding position
It is first to be communicated to connect with the rotating electric machine；When first light receiving unit detects optical signal, the rotating electric machine stops
Rotation.In this way, rotating electric machine drives turntable 1 to rotate when alignment, so that antenna substrate 2 and mark rod is driven to rotate,
When the line of first identifier bar 3 and second identifier bar 4 when the center line of direction finding optical device 7 with being aligned, set to direction finding optics
The laser that standby 7 luminescence unit is emitted reaches the first light-receiving list of second identifier bar 4 by the light hole of first identifier bar 3
Member, the first light receiving unit of second identifier bar 4 detects optical signal at this time, stops rotating to control the rotating electric machine.
It keeps present orientation constant, measures azimuth using direction-finding device.
However the initial alignment of above-mentioned external optical orientation equipment is (i.e. by first identifier bar 3 and to direction finding optical device 7
Center line alignment) there is still a need for manual-alignments, can be in the light hole of first identifier bar 3 and in order to realize automatic initial alignment
Second light receiving unit is also installed at position, and automatic travelling device is installed (such as by motor-driven in frame bottom
Pulley), second light receiving unit and the automatic travelling device communicate to connect.The automatic travelling device drives bracket row
It walks and (can generally walk along with the perpendicular direction of the center line to direction finding optical device 7), when the second light of first identifier bar 3
When receiving unit detects optical signal, show that first identifier bar 3 is overlapped with the center line to direction finding optical device 7 at this time, it is complete
At initial alignment.The automatic travelling device stop motion is controlled at this time.
Further, in order to guarantee the accuracy being aligned, the list that shines can also be installed on the first identifier bar 3
Member, the luminescence unit can be emitted parallel with the line of first identifier bar 3 and second identifier bar 4 or be overlapped coloured sharp
Light is equipped with third light receiving unit in the centerline to direction finding optical device 7, described to direction finding optics when aligned
Third light receiving unit in equipment 7 can receive the laser of the outgoing of the luminescence unit on the first identifier bar 3.
Further, the antenna substrate is foldable design, when needing to carry out direction finding, the antenna substrate expansion；
After the completion of direction finding, the antenna substrate is folded.
Further, each component of the external optical orientation equipment can make of aluminium, light reliable and at low cost
It is honest and clean, easy to process, transport and operation.In addition spiral shell can be used in each detachable part of the external optical orientation equipment
The mode of pit is connected, and is readily transported and dismantles.
Further, it transports for convenience and mobile, the first identifier bar and second identifier bar can be designed to stretch
Contracting Antenna Type structure, when needing to carry out direction finding, the first identifier bar and second identifier bar are extended as straight configuration out,
After the completion of direction finding, the first identifier bar and the contraction of second identifier bar go back to become retracted mode.
Further, in order to increase the accuracy of direction finding, can also pacify simultaneously in the external optical orientation equipment
A variety of direction-finding devices are filled, such as two or more being equipped in double GPS antenna, electronic compass and fibre optic gyroscopes simultaneously,
Mean value calculation is carried out to the azimuth that variant direction-finding device measures in direction finding and obtains azimuth；Or by repeatedly surveying
To, filter out deviation it is biggish as a result, by other results progress averaged obtain azimuth.
Further, as shown in figure 4, the present invention provides a kind of direction finding sides based on above-mentioned external optical orientation equipment
Method includes the following steps:
(1) the external optical orientation equipment is placed on from a certain distance to direction finding optical device 7, and made described
It is higher than the antenna substrate 2 to direction finding optical device 7；
(2) the adjustment external optical orientation equipment is directed at the first identifier bar 3 described to direction finding optical device 7
Center line；
(3) turntable 1 for rotating the external optical orientation equipment, make the second identifier bar 4, first identifier bar 3 with
And the center line to direction finding optical device 7 is located on same line；
(4) orientation of the line of the first identifier bar 3 and the second identifier bar 4 is measured by the direction-finding device
Angle, to obtain the azimuth to direction finding optical device 7.
It further, can also be by repeatedly measuring to obtain multiple direction findings as a result, to multiple direction finding result averageds
Obtain azimuth；Furthermore it is also possible to screened to multiple direction finding results, filter out deviation it is biggish as a result, by other results into
Row averaged obtains the azimuth to direction finding optical device；
Further, multiple azimuths can also be measured using two or more different direction-finding devices simultaneously, to multiple sides
Parallactic angle carries out mean value calculation and obtains the azimuth to direction finding optical device.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of direction-finding method based on external optical orientation equipment, which comprises the steps of:
(1) the external optical orientation equipment is placed on from a certain distance to direction finding optical device, and made described to be measured
It is higher than antenna substrate to optical device；
(2) adjusting the external optical orientation equipment makes the first identifier bar alignment center line to direction finding optical device；
(3) turntable for rotating the external optical orientation equipment makes second identifier bar, first identifier bar and described to direction finding
The center line of optical device is located on same line；
(4) azimuth of the line of the first identifier bar and the second identifier bar is measured by the direction-finding device, thus
Obtain the azimuth to direction finding optical device；Wherein, the external optical orientation equipment include turntable, antenna substrate,
First identifier bar, second identifier bar and direction-finding device, in which:
The antenna substrate is rotatably mounted on the turntable, and the antenna substrate and the center of turntable are coaxial；
The first identifier bar is fixedly installed on the antenna substrate, the first identifier bar and the antenna substrate and described
Center of turntable is coaxial；
The second identifier bar is fixedly installed on the antenna substrate, and the distance between described first identifier bar is greater than first
Set distance threshold value；
The direction-finding device is fixedly installed on the antenna substrate, and the central point of the direction-finding device is located at the first identifier
On the line of bar and the second identifier bar, the direction-finding device is for measuring the first identifier bar and the second identifier bar
Line azimuth.
2. the direction-finding method as described in claim 1 based on external optical orientation equipment, which is characterized in that the direction finding dress
It sets including the first GPS antenna, the second GPS antenna and GPS direction finding solving unit, first GPS antenna and the second GPS antenna are equal
On the line of the first identifier bar and the second identifier bar, between first GPS antenna and the second GPS antenna
Distance is greater than the second set distance threshold value, and the GPS direction finding resolves module and first GPS antenna and the second GPS antenna is logical
Letter is connected.
3. the direction-finding method as described in claim 1 based on external optical orientation equipment, which is characterized in that the direction finding dress
It is set to electronic compass or fibre optic gyroscope.
4. the direction-finding method as described in any one of claims 1 to 3 based on external optical orientation equipment, which is characterized in that
The line of the first identifier bar and the second identifier bar is the central axis of the antenna substrate.
5. the direction-finding method as claimed in claim 2 based on external optical orientation equipment, which is characterized in that described first
GPS antenna is located at one end of the antenna substrate, and second GPS antenna is located at the other end of the antenna substrate.
6. the direction-finding method as claimed in claim 2 based on external optical orientation equipment, which is characterized in that second mark
Bar is known between the first identifier bar and first GPS antenna.
7. the direction-finding method as described in any one of claims 1 to 3 based on external optical orientation equipment, which is characterized in that
The height of the first identifier bar and second identifier bar is higher than the direction-finding device.
8. the direction-finding method as described in any one of claims 1 to 3 based on external optical orientation equipment, which is characterized in that
First identifier bar top is provided with a light hole, corresponding to the light hole of the first identifier bar on the second identifier bar
Position at the first light receiving unit is installed, the turntable is driven by rotating electric machine to be rotated, first light receiving unit with
The rotating electric machine communication connection；When first light receiving unit detects optical signal, the rotating electric machine stops rotating.
9. the direction-finding method as described in any one of claims 1 to 3 based on external optical orientation equipment, which is characterized in that
The antenna substrate is rectangle or ellipse.
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| CN109900238B (en) * | 2017-12-08 | 2021-01-22 | 中国电信股份有限公司 | Method and device for measuring antenna angle of base station and computer readable storage medium |
| CN110208734A (en) * | 2019-04-11 | 2019-09-06 | 中国科学院电子学研究所 | Electronics direction finding integrated system and method |
| CN113740796B (en) * | 2021-07-23 | 2023-08-25 | 中国电子科技集团公司第二十九研究所 | Device and method for enabling calibration radiation source to face normal line of direction-finding antenna |
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| JP2008211487A (en) * | 2007-02-26 | 2008-09-11 | Mitsubishi Electric Corp | Antenna apparatus |
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| CN201955097U (en) * | 2010-12-31 | 2011-08-31 | 北京星网宇达科技开发有限公司 | Detection and calibration system of inertia directional equipment |
| CN106153021A (en) * | 2016-06-30 | 2016-11-23 | 湖南中森通信科技有限公司 | A kind of north finding method based on network RTK and equipment |
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