CN106505318A - A kind of Double directional aerial self adaptation is directed at communication means - Google Patents
A kind of Double directional aerial self adaptation is directed at communication means Download PDFInfo
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- CN106505318A CN106505318A CN201611018042.3A CN201611018042A CN106505318A CN 106505318 A CN106505318 A CN 106505318A CN 201611018042 A CN201611018042 A CN 201611018042A CN 106505318 A CN106505318 A CN 106505318A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
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Abstract
The invention discloses a kind of Double directional aerial self adaptation is directed at communication means, comprise the steps of：Step 1), carry out the school zero of azimuth and the angle of pitch to ground beam antenna；Step 2), azimuthal school zero is carried out to airborne antenna；Step 3), airborne antenna control module calculate the angle on target θ 2a of airborne antenna azimuth according to the GPS position information of airborne antenna and surface orientation antenna；Ground antenna control module calculates the angle on target φ 2p of the angle on target φ 2a and surface orientation antenna elevation angle of surface orientation antenna azimuth according to the GPS position information of airborne antenna and surface orientation antenna；Step 4), airborne antenna servo mould rotation airborne antenna, ground antenna servo module rotates ground beam antenna, completes in real time alignment.The present invention using a kind of accurately, easily calibration mode, improve the calibration mode of legacy system very complicated, from the competitiveness that the angle of reliability and cost improves product.
Description
Technical field
The invention belongs to the field of antenna of aviation Line of Sight System, is related to a kind of Bidirectional microwave antenna wave beam controlling party
Method, and in particular to a kind of double microwave beam antenna self adaptation alignments being aligned based on program, can be used for air-ground horizon communication are logical
Letter technology, is applied to sighting distance aviation microwave data chain transmission field.
Technical background
With the fast development of new military revolution, communicating requirement more and more higher of the people to aeronautical data chain, Data-Link
It is more and more wider that speed becomes more and more higher, communication distance more and more remote, bandwidth, and the resource of aircraft and available frequency band are limited, carry
Lotus power consumption and frequency, bandwidth limit the correlated performance of receiving device and transmitting equipment, cause communication distance in communication process to be received
Arrive considerable restraint.
In antenna alignment communication system, it is one that whether antenna beam simply efficiently, quickly can accurately point to target
Individual very important problem.GPS, electronic compass, gyroscope, altimeter etc. two is needed in traditional antenna alignment communication system
Or multiple instruments are concurrently accessed, and calibration process is loaded down with trivial details, time-consuming longer, crosses during top etc. is closely moved in antenna and is difficult to track.
Communication technology is directed at by Double directional aerial, realizes that antenna gain is to link between raising link receiving terminal and transmitting terminal
The compensation of budget, it is possible to achieve signal of communication is effectively received, reaches the remote biography in the horizon range of high frequency, broadband signal
Defeated.
Content of the invention
For the deficiencies in the prior art, the goal of the invention of the present invention is that providing a kind of Double directional aerial self adaptation alignment leads to
Letter method, high frequency, broadband between the inviolent aircraft of adaptation maneuver mode and ground, high speed communication, to solve prior art side
In case, navigation sources demand is more, calibration process is complicated, maneuver tracking when the low problem of reliability.
For realizing that above goal of the invention, the technical solution used in the present invention be：
A kind of Double directional aerial self adaptation is directed at communication means, comprises the steps of：
Step 1), carry out the school zero of azimuth and the angle of pitch to ground beam antenna；
Step 2), azimuthal school zero is carried out to airborne antenna；
Step 3), in flight course, GPS position of the airborne antenna control module according to airborne antenna and surface orientation antenna
Put the angle on target θ 2a that information computer carries antenna azimuth；Ground antenna control module is according to airborne antenna and surface orientation
The GPS position information of antenna calculates the mesh of the angle on target φ 2a and surface orientation antenna elevation angle of surface orientation antenna azimuth
Mark angle φ 2p；
Step 4), airborne antenna servo module anti-according to the azimuthal angle on target θ 2a of airborne antenna and angular transducer
The current angular of the airborne antenna of feedback and vector goniometer calculate the anglec of rotation and rotate airborne antenna, ground antenna servo
Module is anti-with angular transducer according to the angle on target φ 2p of the azimuthal angle on target φ 2a of ground beam antenna and the angle of pitch
The current angular of the surface orientation antenna of feedback calculates the anglec of rotation and rotates ground beam antenna.
Preferably, the step 1 is comprised the steps of：
Step 1.1), surface orientation antenna is positioned over ground；
Step 1.2), the angle of pitch of surface orientation antenna is calibrated to zero with level indicator, determine ground using GPS device fixed
GPS location to antenna；
Step 1.3), using a beacon frequency and surface orientation antenna with frequency satellite as calibration satellite；
Step 1.4), calculate calibration orientation angles of the satellite under the topocentric coordinate system with surface orientation antenna as origin
φ 1a and luffing angle φ 1p, ground antenna control module is according to orientation angles φ 1a and luffing angle φ 1p controls ground day
Line servo module rotates ground beam antenna and completes azimuth and angle of pitch school zero.
Preferably, the step 1.4) in azimuth and angle of pitch school zero be realized by the following method：By ground antenna control
The angle of pitch of surface orientation antenna is gone to luffing angle φ 1p by molding block control ground antenna servo module；By ground antenna control
Molding block controls ground antenna servo module and the azimuth of surface orientation antenna is gone to orientation angles φ 1a, then by surface orientation
Antenna rotates the azimuth of ground beam antenna with a rotating speed that fixes, by observing the beacon maximum adjustment of microwave spectrometer
The angle of surface orientation antenna completes azimuth and angle of pitch school zero.
Preferably, the step 1.3) in also comprising with another beacon frequency and surface orientation antenna with frequency satellite as mesh
Mark verifying satellites；
The step 1.4) in also sit in the station heart with surface orientation antenna as origin comprising calculating target verification satellite
Azimuth and the angle of pitch under mark system, controls ground antenna servo module by surface orientation antenna by ground antenna control module
Azimuth goes to the azimuth, and the angle of pitch of surface orientation antenna is gone to the angle of pitch, by surface orientation antenna with certain
The azimuth of rotating speed rotation ground beam antenna and the angle of pitch, are maximum now by the beacon that microwave spectrometer is observed,
Show that calibration result is correct.
Preferably, the step 2 is comprised the steps of：
Step 2.1), airborne antenna is installed on aircraft platform axis, and Handpiece Location is pointed in 0 ° of direction；
Step 2.2), the external microwave signal source of airborne antenna；The signal source that microwave signal source is produced is believed as airborne point frequency
Mark is by airborne antenna with omnidirectional antenna pattern to emission；
Step 2.3), the external microwave spectrometer of surface orientation antenna；Ground antenna control module controls ground antenna servo
Module rotates azimuth and the angle of pitch of ground beam antenna with certain rotating speed, and by surface orientation aerial receiver loading point frequency
Beacon, when microwave spectrometer amplitude reaches maximum, the azimuth for recording now surface orientation antenna alignment airborne antenna is A1；
Step 2.4), fixed now airborne antenna, the state of surface orientation antenna, the external microwave signal of surface orientation antenna
Source；The signal source that microwave signal source is produced is as ground point frequency beacon by surface orientation antenna pair emission；
Step 2.5), airborne antenna control module control airborne antenna servo module with certain rotating speed rotation airborne antenna
Azimuth, and by airborne antenna with directional antenna pattern receive ground point frequency beacon, when microwave spectrometer amplitude reaches maximum
Place, records the azimuth that now airborne antenna is directed at ground beam antenna；
Step 2.6), calibration now airborne antenna azimuth be equal to theoretical value A2, complete the azimuthal of airborne antenna
School zero；Wherein theoretical value A2 is in A1>When 180 °, A2=A1-180 °, in A1<180 ° A2=A1+180 °.
Preferably, the step 3) in the GPS position information of airborne antenna and surface orientation antenna obtained by following approach
?：A) ground and airborne between by the remote-control romote-sensing information of Data-Link real-time Transmission, and carry out alpha-beta to remote-control romote-sensing information and smooth
Filtering, wherein remote-control romote-sensing packet GPS longitudes and latitudes and elevation information, the GPS longitudes and latitudes of surface orientation antenna containing airborne antenna
Degree and elevation information；B) GPS position information of airborne antenna and surface orientation antenna is transmitted by outside additional chain circuit.
Preferably, the step 3) in also comprising airborne antenna control module according to airborne antenna and surface orientation antenna
GPS position information calculates the distance between airborne antenna and surface orientation antenna, when between airborne antenna and surface orientation antenna
Distance in distance threshold when, then airborne antenna is switched to omnidirectional antenna mode of operation, otherwise airborne antenna is orientation day
Line mode of operation.
Preferably, the step 3) in the azimuthal angle on target of airborne antenna calculate by the following method：Airborne antenna
Control module by the GPS position information of airborne antenna and surface orientation antenna by with WGS-84 ellipsoids be reference the earth's core the earth sit
Mark system is converted to airborne antenna as the heart of standing, points to the station heart polar coordinate system of surface orientation antenna, calculates airborne antenna orientation
The angle on target θ 2a at angle.
Preferably, the step 3) in surface orientation antenna azimuth angle on target φ 2a and surface orientation antenna pitching
The angle on target φ 2p at angle are calculated by the following method：Ground antenna control module is by surface orientation antenna and airborne antenna
GPS position information by with WGS-84 ellipsoids be reference the earth's core earth coordinates be converted to surface orientation antenna as stand the heart, refer to
To the station heart polar coordinate system of airborne antenna, angle on target φ 2a and the target of the angle of pitch of surface orientation antenna azimuth is calculated
Angle φ 2p.
Preferably, the beam angle of the airborne antenna need to be met more than or equal to 15 ° in horizontal plane, be more than in pitching face etc.
In 20 °.
Relative to the innovation point that traditional antenna alignment methods, the present invention have three below main：
1., using the antenna alignment algorithm based on GPS, reduce antenna system volume, improve system stability.In the past
Antenna alignment algorithm be based primarily upon two or more instruments such as GPS, electronic compass, gyroscope, altimeter and be concurrently accessed, to
Obtain airborne azimuth information with ground, elevation information, antenna platform attitude information.And consider to assemble type and environment because
Element, the horizontal plane of airborne antenna A designed in this programme, pitching face beam angle are answered sufficiently wide making up vertical direction and lateral
The distinguished and admirable impact caused by its course.In airborne antenna installation process, the initial position of the main beam of beam antenna is located at and flies
On prow tail axis and be aligned heading, using airborne end GPS course made goods as vector.
2., using airborne antenna A omnidirectionals/orientation switch operating mode, improve during top crossed by closer to the distance or aircraft
Servo tracking is not gone up and blind zone problem.The working method for switching omnidirectional/beam antenna based on communication distance is proposed in this programme,
Communication distance switches to omnidirectional antenna working method less than certain threshold value airborne antenna A, and communication distance is airborne more than certain threshold value
Antenna A switches to beam antenna working method, improves servomotor rotation during short-range communication delayed blind with antenna
Communication disruption problem caused by area.
3. using a kind of accurately, easily calibration mode.Improve the calibration mode of legacy system very complicated, it is only necessary to
Microwave spectrometer, microwave signal source, level indicator can achieve the calibration and checking of airborne antenna and ground antenna, and step is accurate
Convenient.
4. adopt Double directional aerial between airborne antenna A and ground antenna B to be directed at communication mode, increased day in communication link
Line gain.Conventional airborne end communicates main using the working method oriented to omnidirectional, omnidirectional to omnidirectional, these sides with ground surface end
Formula is suitable for when narrow bandwidth, low frequency point, short haul is processed, and must otherwise be improved the transmission power of transmitter, raising and be connect
Receipts machine receiving sensitivity, and sensitivity and receiver performance due to efficiency-cost ratio, volume, power consumption the problems such as infinitely cannot increase.
Beneficial effects of the present invention are：
1. the antenna alignment method based on GPS is devised, antenna system volume is reduced, is reduced required navigation sources, carries
The high stability of communication system, solves antenna alignment under the limited conditions.
2. airborne antenna A omnidirectionals/orientation switch operating mode is devised, and is solved and top process is crossed in closer to the distance or aircraft
Middle servo tracking is not gone up and blind zone problem.
3. using a kind of accurately, easily calibration mode, improve the calibration mode of legacy system very complicated, from reliability
The angle of property and cost improves the competitiveness of product.
4. adopt Double directional aerial between airborne antenna A and ground antenna B to be directed at communication mode, increased day in communication link
Line gain so that increase link transmission distance under conditions of the transmission power of transmitter, receiver receiving sensitivity is not improved,
Achieve the broadband transmission of information.
Description of the drawings
Fig. 1 is the schematic flow sheet that a kind of Double directional aerial self adaptation is directed at communication means in embodiment；
Fig. 2 is the structural representation of surface orientation antenna element in embodiment；
Fig. 3 is the structural representation of airborne antenna unit in embodiment；
Fig. 4 is zero schematic flow sheet of school of surface orientation antenna in embodiment；
Fig. 5 is zero schematic flow sheet of school of airborne antenna in embodiment.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
In order to realize that a kind of Double directional aerial self adaptation of the present embodiment is directed at communication means, need airborne in the setting of airborne end
Antenna element is (including airborne antenna, airborne antenna control module, airborne day through servo module, such as airborne antenna GPS module, Fig. 2
Shown, the airborne antenna can be switched between beam antenna and omnidirectional antenna), ground surface end arrange ground antenna unit
(including surface orientation antenna and ground antenna control module, ground antenna servo module, ground antenna GPS module, such as Fig. 3 institutes
Show), excessive data link, and necessary instrument equipment.Configuration instrument and equipment is microwave signal source, microwave spectrometer, level indicator.
The airborne antenna, installed in aircraft ventral bottom, the initial position of the main beam of airborne antenna is located at aircraft head
On tail axis and heading is directed at, comprising airborne antenna and surface orientation in the Data-Link that itself and surface orientation antenna are mutually passed
The GPS position information of antenna, airborne antenna can achieve omnidirectional, orientation works pattern switching, its airborne antenna control module according to
The GPS location letter of the surface orientation antenna in the airborne antenna GPS position information of airborne antenna GPS module offer and Data-Link
Breath calculates the azimuth of airborne antenna A, and airborne antenna servo module can carry out 360 ° of rotations of level according to azimuth information；
The surface orientation antenna, is placed on the open place in ground, comprising airborne in its Data-Link mutually passed with airborne antenna
Antenna and the GPS position information of surface orientation antenna, its ground antenna control module are used for being provided according to ground antenna GPS module
Ground antenna GPS position information and Data-Link in airborne antenna GPS position information calculate surface orientation antenna side
Parallactic angle and the angle of pitch, ground antenna servo module can according to azimuth, pitching angle information carry out 0～360 ° of level, pitching 0～
90 ° of rotations；
The additional chain circuit, as the backup that Double directional aerial self adaptation is directed at communication link, for downstream transmission machine
Carry antenna, the GPS position information of ground antenna and other remote-control romote-sensing information；
The microwave signal source, for the azimuth calibration of airborne antenna, zero；
The microwave spectrometer, for the azimuth angle of pitch calibration of airborne antenna and surface orientation antenna, zero；
The level indicator, for the calibration of the ground antenna angle of pitch, zero.
Airborne antenna unit should possess following functions：
Omnidirectional/the beam antenna of airborne antenna can be switched by control instruction, patrolled using airborne antenna control module
Collect control；The beam antenna main beam face of airborne antenna faces down positioned at level, and angle fixation can not be adjusted, and its tilt angled down should
Meet wave cover ground communication position, in the horizontal plane of azimuth 360 ° can pass through drive azimuth-drive motor driver servo-drive,
Adjustment；
The directional antenna beams width of airborne antenna is met in horizontal plane more than or equal to 15 °, is more than or equal in pitching face
20 °, to make up vertical direction and the laterally distinguished and admirable impact caused by its course；
Can realize that faults itself information judges by airborne antenna control module, and realize antenna axis angular range, failure letter
Breath is uploaded.
Ground antenna unit should possess following functions：
Pitching motor and azimuth-drive motor can be controlled by ground antenna control module, be realized in surface orientation antenna pitching face
0～90 °, 0～360 ° of SERVO CONTROL, adjustment in horizontal plane；
The beam angle of surface orientation antenna meets as narrow as possible in horizontal plane, vertical, reaches high-gain effect；
Can realize that antenna axis angular range, fault message are uploaded by ground antenna control module.
As shown in figure 1, a kind of Double directional aerial self adaptation alignment communication means is comprised the steps of：
Step 1), carry out the school zero of azimuth and the angle of pitch to ground beam antenna, as shown in figure 4, specifically comprising following
Step：
Step 1.1：Ground antenna B is positioned over open flat ground.
Step 1.2：The pitching orientation of surface alignment antenna is carried out leveling directly using level indicator, to its angle of pitch school
Zero.The GPS location that surface orientation antenna B is determined using GPS device.
Step 1.3：Using beacon frequency and ground antenna B with frequency No. 10 satellites of culminant star as calibration satellite, its longitude
110.5 ° of E, 0 ° of latitude, highly 35786063 meters, vertical polarization beacon frequency 12.741GHz.With beacon frequency and ground antenna B
With frequency the satellite of Asia-Pacific 5 be target verification satellite, 138 ° of E of its longitude, 0 ° of latitude, highly 35786063 meters, vertical polarization letter
It is designated as 12.251GHz.
Step 1.4：Calibration satellite culminant star 10 is calculated with surface orientation antenna as original by ground antenna control module
Azimuth and the angle of pitch under the topocentric coordinate system of point, and the angle of pitch of surface orientation antenna is gone to the angle, and by orientation
Go near sensing culminant star 10, by surface orientation antenna with the rotating speed rotable antenna orientation angles of 0.05 °/S, logical in receiving terminal
The beacon maximum of microwave spectrometer observation is crossed, the azimuthal value for proofreading now surface orientation antenna is equal to the reason for above calculating
By value, azimuth-drive motor azimuth school zero is completed.
Step 1.5：The satellite of target satellite Asia-Pacific 5 is calculated by ground antenna control module with ground final version antenna is being
Azimuth and the angle of pitch under the topocentric coordinate system of origin, and the azimuth of surface orientation antenna and the angle of pitch are gone to the angle
Degree, by surface orientation antenna with the rotating speed rotable antenna level angle of 0.05 °/S, now receiving terminal is observed by microwave spectrometer
The beacon for arriving is maximum, shows calibration result correct (surface control module completes antenna rotation).
Step 2), azimuthal school zero is carried out to airborne antenna, as shown in figure 5, specifically comprising the steps of：
Step 2.1：Airborne antenna is installed on aircraft platform axis, and Handpiece Location is pointed in 0 ° of direction.
Step 2.2：The external microwave signal source of airborne antenna, and with one airborne point frequency beacon of omnidirectional antenna Mode Launch.
Step 2.3：The airborne point frequency beacon that antenna sends is carried by the external microwave spectrum instrument receiver of surface orientation antenna,
With the rotating speed rotation ground beam antenna of 0.05 °/S, azimuth and the angle of pitch of surface orientation antenna is adjusted, observation receiving terminal is micro-
Wave frequency spectrometer amplitude reaches maximum, and now the azimuth of surface orientation antenna alignment airborne antenna is A1.
Step 2.4：Fixed now airborne antenna, surface orientation antenna condition, with the external microwave signal of surface orientation antenna
Launch a ground point frequency beacon in source.
Step 2.5：Airborne antenna switches to directional antenna pattern, receives ground by the external microwave spectrometers of airborne antenna A
The ground point frequency beacon that surface antenna B sends, with the rotating speed rotation airborne antenna of 0.05 °/S, adjusts the azimuth of airborne antenna, sees
Examine receiving terminal microwave spectrometer amplitude and reach maximum, record the azimuth that now airborne antenna is directed at ground beam antenna.
Step 2.6：Go out azimuthal theoretical value A2 of airborne antenna and the orientation of surface orientation antenna according to Theoretical Calculation
The relation of angle A1 is | A1-A2 |=180 ° (point 2 kinds of situations：A1>180 °, then the formula is A2=A1-180 °；A1<180 °, then
The formula is A2=A1+180 °).The azimuth for calibrating now airborne antenna is equal to A2, completes the azimuthal school zero of airborne antenna.
Step 3) airborne antenna control module according to the GPS position information of airborne antenna and surface orientation antenna calculate airborne
The angle on target θ 2a of antenna azimuth, ground antenna control module are believed according to the GPS location of airborne antenna and surface orientation antenna
Breath calculates the angle on target φ 2p of the angle on target φ 2a and the angle of pitch of surface orientation antenna azimuth.
Wherein, the GPS position information of airborne antenna and surface orientation antenna is obtained by following approach：A) ground and airborne
Between by the remote-control romote-sensing information of Data-Link real-time Transmission, and carry out alpha-beta smothing filtering to remote-control romote-sensing information, wherein remote control is distant
GPS longitude and latitude of the measurement information comprising airborne antenna and elevation information, the GPS longitudes and latitudes of surface orientation antenna and elevation information；b)
The GPS position information that airborne antenna and surface orientation antenna are transmitted by outside additional chain circuit.
Azimuthal angle on target θ 2a of airborne antenna are calculated by the following method：Airborne antenna control module will be airborne
The GPS position information of antenna and surface orientation antenna by with WGS-84 ellipsoids be reference the earth's core earth coordinates be converted to machine
It is the stand heart, the station heart polar coordinate system of sensing surface orientation antenna to carry antenna, calculates azimuthal angle on target θ of airborne antenna
2a.
The angle on target φ 2p of the angle on target φ 2a and the angle of pitch of surface orientation antenna azimuth are counted by the following method
Calculate：Ground antenna control module by the GPS position information of surface orientation antenna and airborne antenna by with WGS-84 ellipsoids as reference
The earth's core earth coordinates be converted to surface orientation antenna as stand the heart, point to airborne antenna station heart polar coordinate system, calculate
The angle on target φ 2p of azimuthal angle on target φ 2a and the angle of pitch of surface orientation antenna.
In addition, airborne antenna control module can calculate airborne antenna according to the GPS position information on airborne, ground and ground is fixed
To the distance between antenna, in flight course should at a certain distance threshold value as boundary, in the range of the distance threshold, airborne day
Line automatically switches to omnidirectional antenna, thus, not tracking or logical with unlikely appearance in the flight course of top is crossed in low coverage flight course
Letter blind area.Beyond after the distance range, airborne antenna switches to beam antenna, antenna system working method to switch to amphiorentation to lead to
Letter mode.
Step 4), airborne antenna servo module anti-according to the azimuthal angle on target θ 2a of airborne antenna and angular transducer
The current angular of the airborne antenna of feedback and vector goniometer calculate the anglec of rotation and rotate airborne antenna, ground antenna servo
Module is anti-with angular transducer according to the angle on target φ 2p of the azimuthal angle on target φ 2a of ground beam antenna and the angle of pitch
The current angular of the surface orientation antenna of feedback calculates the anglec of rotation and rotates ground beam antenna, so as to realize Double directional aerial
Self adaptation alignment communication.
Above-described embodiment is only the preferred embodiment of the present invention, it should be pointed out that：Ordinary skill for the art
For personnel, under the premise without departing from the principles of the invention, some improvement and equivalent can also be made, these are to the present invention
Claim is improved and the technical scheme after equivalent, each falls within protection scope of the present invention.
Claims (10)
1. a kind of Double directional aerial self adaptation is directed at communication means, comprises the steps of：
Step 1), carry out the school zero of azimuth and the angle of pitch to ground beam antenna；
Step 2), azimuthal school zero is carried out to airborne antenna；
Step 3), in flight course, airborne antenna control module according to the GPS location of airborne antenna and surface orientation antenna believe
Breath calculates the angle on target θ 2a of airborne antenna azimuth；Ground antenna control module is according to airborne antenna and surface orientation antenna
GPS position information calculate surface orientation antenna azimuth angle on target φ 2a and surface orientation antenna elevation angle target angle
Degree φ 2p；
Step 4), airborne antenna servo module fed back according to the azimuthal angle on target θ 2a of airborne antenna and angular transducer
The current angular of airborne antenna and vector goniometer calculate the anglec of rotation and rotate airborne antenna, ground antenna servo module
Angle on target φ 2p and angular transducer feedback according to the azimuthal angle on target φ 2a of ground beam antenna and the angle of pitch
The current angular of surface orientation antenna calculates the anglec of rotation and rotates ground beam antenna.
2. a kind of Double directional aerial self adaptation according to claim 1 is directed at communication means, it is characterised in that the step 1
Comprise the steps of：
Step 1.1), surface orientation antenna is positioned over ground；
Step 1.2), the angle of pitch of surface orientation antenna is calibrated to zero with level indicator, determine surface orientation day using GPS device
The GPS location of line；
Step 1.3), using a beacon frequency and surface orientation antenna with frequency satellite as calibration satellite；
Step 1.4), calculate calibration orientation angles φ 1a of the satellite under the topocentric coordinate system with surface orientation antenna as origin
With luffing angle φ 1p, ground antenna control module according to orientation angles φ 1a and luffing angle φ 1p control ground antenna watch
Take module rotation ground beam antenna and complete azimuth and angle of pitch school zero.
3. a kind of Double directional aerial self adaptation according to claim 2 is directed at communication means, it is characterised in that the step
1.4) in, azimuth and angle of pitch school zero are realized by the following method：Ground antenna servo mould is controlled by ground antenna control module
The angle of pitch of surface orientation antenna is gone to luffing angle φ 1p by block；Ground antenna servo mould is controlled by ground antenna control module
The azimuth of surface orientation antenna is gone to orientation angles φ 1a by block, then by surface orientation antenna with a rotating speed that fixes rotatably
The azimuth of face beam antenna, adjusts the angle side of completing of surface orientation antenna by observing the beacon maximum of microwave spectrometer
Parallactic angle and angle of pitch school zero.
4. a kind of Double directional aerial self adaptation according to claim 2 is directed at communication means, it is characterised in that the step
1.3) in also comprising with another beacon frequency and surface orientation antenna with frequency satellite as target verification satellite；
The step 1.4) in also comprising calculating target verification satellite in the topocentric coordinate system with surface orientation antenna as origin
Under azimuth and the angle of pitch, by ground antenna control module control ground antenna servo module by the orientation of surface orientation antenna
Angle goes to the azimuth, and the angle of pitch of surface orientation antenna is gone to the angle of pitch, by surface orientation antenna with certain rotating speed
The azimuth of rotation ground beam antenna and the angle of pitch, the beacon that observes now by microwave spectrometer is maximum, shows
Calibration result is correct.
5. a kind of Double directional aerial self adaptation according to claim 1 is directed at communication means, it is characterised in that the step 2
Comprise the steps of：
Step 2.1), airborne antenna is installed on aircraft platform axis, and Handpiece Location is pointed in 0 ° of direction；
Step 2.2), the external microwave signal source of airborne antenna；Microwave signal source produce signal source as airborne point frequency beacon by
Airborne antenna is with omnidirectional antenna pattern to emission；
Step 2.3), the external microwave spectrometer of surface orientation antenna；Ground antenna control module controls ground antenna servo module
With the azimuth of certain rotating speed rotation ground beam antenna and the angle of pitch, and believed by surface orientation aerial receiver loading point frequency
Mark, when microwave spectrometer amplitude reaches maximum, the azimuth for recording now surface orientation antenna alignment airborne antenna is A1；
Step 2.4), fixed now airborne antenna, the state of surface orientation antenna, the external microwave signal source of surface orientation antenna；
The signal source that microwave signal source is produced is as ground point frequency beacon by surface orientation antenna pair emission；
Step 2.5), airborne antenna control module control the side that airborne antenna servo module rotates airborne antenna with certain rotating speed
Parallactic angle, and ground point frequency beacon is received with directional antenna pattern by airborne antenna, when microwave spectrometer amplitude reaches maximum, note
Record the azimuth that now airborne antenna is directed at ground beam antenna；
Step 2.6), calibration now airborne antenna azimuth be equal to theoretical value A2, complete azimuthal school zero of airborne antenna；
Wherein theoretical value A2 is in A1>When 180 °, A2=A1-180 °, in A1<180 ° A2=A1+180 °.
6. a kind of Double directional aerial self adaptation according to claim 1 is directed at communication means, it is characterised in that the step
3) in, the GPS position information of airborne antenna and surface orientation antenna is obtained by following approach：A) ground and airborne between by number
According to the remote-control romote-sensing information of chain real-time Transmission, and alpha-beta smothing filtering, wherein remote-control romote-sensing packet is carried out to remote-control romote-sensing information
GPS longitudes and latitudes and elevation information, the GPS longitudes and latitudes of surface orientation antenna and elevation information containing airborne antenna；B) by outside
Additional chain circuit transmission airborne antenna and the GPS position information of surface orientation antenna.
7. a kind of Double directional aerial self adaptation according to claim 1 is directed at communication means, it is characterised in that the step
3) airborne antenna is calculated according to the GPS position information of airborne antenna and surface orientation antenna comprising airborne antenna control module also in
The distance between with surface orientation antenna, when the distance between airborne antenna and surface orientation antenna are in distance threshold, then
Airborne antenna is switched to omnidirectional antenna mode of operation, otherwise airborne antenna is beam antenna mode of operation.
8. a kind of Double directional aerial self adaptation according to claim 1 is directed at communication means, it is characterised in that the step
3) in, the azimuthal angle on target of airborne antenna is calculated by the following method：Airborne antenna control module is by airborne antenna and ground
The GPS position information of beam antenna by with WGS-84 ellipsoids be reference the earth's core earth coordinates be converted to airborne antenna as station
The heart, the station heart polar coordinate system for pointing to surface orientation antenna, calculate the azimuthal angle on target θ 2a of airborne antenna.
9. a kind of Double directional aerial self adaptation according to claim 1 is directed at communication means, it is characterised in that the step
3) in the angle on target φ 2p of the angle on target φ 2a and surface orientation antenna elevation angle of surface orientation antenna azimuth pass through with
Lower method is calculated：Ground antenna control module is by the GPS position information of surface orientation antenna and airborne antenna by ellipse with WGS-84
Ball is the station heart polar coordinate that the earth's core earth coordinates of reference were converted to surface orientation antenna as the heart of standing, pointed to airborne antenna
System, calculates the angle on target φ 2p of the angle on target φ 2a and the angle of pitch of surface orientation antenna azimuth.
10. a kind of Double directional aerial self adaptation according to claim 1 is directed at communication means, it is characterised in that described airborne
The beam angle of antenna need to be met more than or equal to 15 ° in horizontal plane, be more than or equal to 20 ° in pitching face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107329160A (en) * | 2017-05-17 | 2017-11-07 | 四川建筑职业技术学院 | A kind of unmanned plane antenna direction tracing system positioned based on the Big Dipper |
| CN107992093A (en) * | 2018-01-15 | 2018-05-04 | 苏州大学 | Instruction simulation device applied to test helicopter antenna |
| CN109950699A (en) * | 2019-02-28 | 2019-06-28 | 珠海云洲智能科技有限公司 | Alignment methods, device, terminal device and the medium of directional aerial |
| CN110336626A (en) * | 2019-07-08 | 2019-10-15 | 中国人民解放军陆军装备部驻北京地区军事代表局驻石家庄地区第一军事代表室 | A kind of alignment methods of directional aerial, alignment device and terminal |
| CN111901031A (en) * | 2020-07-31 | 2020-11-06 | 苏州巨跶航智能科技有限公司 | Vehicle-mounted unmanned aerial vehicle ad hoc network enhancement system |
| CN112073111A (en) * | 2020-07-31 | 2020-12-11 | 深圳市贝贝特科技实业有限公司 | Vehicle-mounted unmanned aerial vehicle ad hoc network enhancing method |
| CN112490636A (en) * | 2020-11-20 | 2021-03-12 | 中国电子科技集团公司第五十四研究所 | Automatic switching method of airborne antenna based on visibility |
| CN113490971A (en) * | 2020-08-11 | 2021-10-08 | 深圳市大疆创新科技有限公司 | Movable platform control method, control terminal and computer readable storage medium |
| CN116742315A (en) * | 2023-08-07 | 2023-09-12 | 中国路桥工程有限责任公司 | Alignment method for long-distance ad hoc network directional antenna based on Beidou direction finding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107329160A (en) * | 2017-05-17 | 2017-11-07 | 四川建筑职业技术学院 | A kind of unmanned plane antenna direction tracing system positioned based on the Big Dipper |
| CN107992093A (en) * | 2018-01-15 | 2018-05-04 | 苏州大学 | Instruction simulation device applied to test helicopter antenna |
| CN109950699A (en) * | 2019-02-28 | 2019-06-28 | 珠海云洲智能科技有限公司 | Alignment methods, device, terminal device and the medium of directional aerial |
| CN109950699B (en) * | 2019-02-28 | 2021-11-30 | 珠海云洲智能科技股份有限公司 | Directional antenna alignment method and device, terminal equipment and medium |
| CN110336626A (en) * | 2019-07-08 | 2019-10-15 | 中国人民解放军陆军装备部驻北京地区军事代表局驻石家庄地区第一军事代表室 | A kind of alignment methods of directional aerial, alignment device and terminal |
| CN110336626B (en) * | 2019-07-08 | 2022-01-14 | 中国人民解放军陆军装备部驻北京地区军事代表局驻石家庄地区第一军事代表室 | Directional antenna alignment method, alignment device and terminal |
| CN111901031A (en) * | 2020-07-31 | 2020-11-06 | 苏州巨跶航智能科技有限公司 | Vehicle-mounted unmanned aerial vehicle ad hoc network enhancement system |
| CN112073111A (en) * | 2020-07-31 | 2020-12-11 | 深圳市贝贝特科技实业有限公司 | Vehicle-mounted unmanned aerial vehicle ad hoc network enhancing method |
| CN113490971A (en) * | 2020-08-11 | 2021-10-08 | 深圳市大疆创新科技有限公司 | Movable platform control method, control terminal and computer readable storage medium |
| CN112490636A (en) * | 2020-11-20 | 2021-03-12 | 中国电子科技集团公司第五十四研究所 | Automatic switching method of airborne antenna based on visibility |
| CN112490636B (en) * | 2020-11-20 | 2022-11-11 | 中国电子科技集团公司第五十四研究所 | Automatic switching method of airborne antenna based on visibility |
| CN116742315A (en) * | 2023-08-07 | 2023-09-12 | 中国路桥工程有限责任公司 | Alignment method for long-distance ad hoc network directional antenna based on Beidou direction finding |
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