CN108020850B - A kind of in-orbit calibration method of Single Channel Monopulse Angle Tracking Systems phase and system - Google Patents
A kind of in-orbit calibration method of Single Channel Monopulse Angle Tracking Systems phase and system Download PDFInfo
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- CN108020850B CN108020850B CN201711100112.4A CN201711100112A CN108020850B CN 108020850 B CN108020850 B CN 108020850B CN 201711100112 A CN201711100112 A CN 201711100112A CN 108020850 B CN108020850 B CN 108020850B
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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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/31—Acquisition or tracking of other signals for positioning
Abstract
The present invention is a kind of in-orbit quick calibration method of Single Channel Monopulse Angle Tracking Systems phase and system, the present invention is based on classical single channel monopulse tracking theory, an earth station is only needed to send signal, pass through several simple operations steps on star, can realize the phase alignment of satellite Single Channel Monopulse Angle Tracking Systems in a short time.Its basic step includes (1) to satellite transmitted signal, and track receiver locks the signal on star；(2) antenna on star is drawn into an inclined low-angle in orientation, becomes telemetering using drawing rear potential difference, trim telemetering and X-axis to the front, Y-axis rotation and calculates preliminary phase；(3) phase is infused on, antenna tracking returns to zero position on star；(4) cross is carried out to antenna on star to draw partially, carry out the accurate calibration of phase.
Description
Technical field
The present invention relates to a kind of in-orbit calibration method of Single Channel Monopulse Angle Tracking Systems phase and systems, especially a kind of
The in-orbit quick calibration method of Single Channel Monopulse Angle Tracking Systems phase, mainly high rail repeater satellite and telecommunication satellite angle with
It is used in track system, belongs to satelline radio tracking measurement technical field.
Background technique
The antenna of spaceborne pulse angle tracking system receives the signal that target is sent, and monopulse antenna feed exports "and"
Signal Σ, " poor " signal delta.Difference signal Δ is the vector sum of " gun parallax " signal delta A and " trim " signal delta E, the side of feed
Potentiometer signal Δ A vector and trim signal delta E vector are orthogonal.Spaceborne catch passes through measurement "and", " poor " two with receiver
Amplitude, phase relation between the signal of road determine that antenna deviates the direction of target.Such as: when antenna alignment target and signal
Maximum, difference signal is equal to zero.Antenna reduces when azimuth axis negative sense deviates target with signal, and difference signal size is proportional to deviation
Target angle size, and 180 ° of difference signal phase phase difference."and", " poor " from feed output after, respectively by waveguide, filter,
The transmission channels such as low-noise amplifier, channel length difference will cause "and", " poor " signal phase relationship changes, Jin Erzao
Angulation error characteristics degenerate, such as the error characteristics slope of curve becomes smaller, cross-coupling becomes larger, and error characteristics polarity may change
Deng.When serious, system cannot acquisition and tracking.Therefore, before spaceborne pulse angle tracking system execution task must first to "and",
The phase difference of " poor " channel is calibrated and compensated.
Recognize that the in-orbit calibration method of Single Channel Monopulse Angle Tracking Systems phase has 2 on open publication and open channel
Kind:
1) one earth station coupling measurement method: is set to satellite emission signal, satellite antenna and letter in ground appropriate location
Number Σ output end increases a directional coupler, difference signal Δ output end increases a switch.Spaceborne angle tracking system difference signal
Input can switch between antenna Δ signal and Σ coupled signal.When carrying out in-orbit phase alignment, by spaceborne angle tracking system
Difference signal input switches to satellite antenna Σ coupled signal, then carries out 360 ° of phase shifts to angle tracking system phase shifter, utilizes side
Potential difference, trim curve calculate the value of phase.
Rotation satellite antenna is not needed during the phase of this method school, but On-Star system needs additionally to increase by two equipment, increases
The complexity for having added On-Star system reduces the reliability of On-Star system.
2) high low bias test method: repeater satellite angle tracking system in-orbit school in China's is mutually with reference to the school phase side of ground observing and controlling radar
The position of ground substar is arranged in calibration tower by method.When carrying out in-orbit phase alignment, satellite antenna is rotated first, passes through pole
The method of value search makes satellite antenna be directed toward alignment calibration on ground tower.On this basis, satellite antenna azimuth axis is drawn inclined
0.15 °, find out phase α1；Satellite antenna pitch axis is drawn inclined 0.15 °, finds out phase α2.Spaceborne angle tracking system phase is calculated
The final value in position are as follows:
This method does not need On-Star system and additionally increases equipment, but school phase process is firstly the need of the method by extremum search
Make antenna alignment earth station, time-consuming and pointing accuracy is poor for the process, influences final phase alignment precision.
Summary of the invention
Summary of the invention of the invention are as follows: the above-mentioned deficiency for overcoming the prior art, provide a kind of single channel monopulse angle with
The in-orbit quick calibration method of track system phase and system, solve that test macro is complicated and test time-consuming brings accuracy decline
The problem of.
The technical scheme is that
A kind of in-orbit calibration method of Single Channel Monopulse Angle Tracking Systems phase, steps are as follows:
1) Single Channel Monopulse Angle Tracking Systems phase is slightly calibrated；
2) according to thick calibration result, Single Channel Monopulse Angle Tracking Systems phase is injected on star by uplink remote control and is received
Machine, and autotracking instruction is sent, so that antenna on star is accurately directed to earth station；
3) accurate calibration is carried out to the phase of Single Channel Monopulse Angle Tracking Systems on the basis of thick calibration result.
The method of the thick calibration Single Channel Monopulse Angle Tracking Systems phase are as follows:
11) it to satellite emission signal, controls antenna on star and is directed toward earth station, make receiver locking signal on star, record distant
Measured data, telemetry include the gun parallax telemetering voltage Δ U of antennaA0With trim telemetering voltage Δ UE0；
12) azimuth axis of antenna rotation on star is controlled, azimuth axis of antenna angle is increasedRecord telemetry, telemetry data packet
Include the gun parallax telemetering voltage Δ U of antennaA1With trim telemetering voltage Δ UE1；
13) conversion coefficient of the gun parallax telemetering voltage according to measured by ground experiment and azimuth axis of antenna deflection angle,
Above-mentioned telemetry and azimuth axis of antenna increase angle, calculate Single Channel Monopulse Angle Tracking Systems phase α0Thick calibration knot
Fruit.
The calculating Single Channel Monopulse Angle Tracking Systems phase α0Thick calibration result calculation formula are as follows:
Wherein, K is the conversion coefficient of gun parallax telemetering voltage and azimuth axis of antenna deflection angle measured by ground experiment.
The method that the phase of the Single Channel Monopulse Angle Tracking Systems carries out accurate calibration is that cross draws inclined method:
31) azimuth axis of antenna rotation on star is controlled, so that azimuth axis of antenna angle increasesIt obtains so that trim telemetering
Voltage Δ UEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero1, by Single Channel Monopulse Angle Tracking Systems phase α1Pass through
Receiver on uplink remote control injection star, and autotracking instruction is sent, so that antenna on star is accurately directed to earth station；Wherein, θ is on star
Antenna half-power beamwidth；
32) azimuth axis of antenna rotation on star is controlled, so that azimuth axis of antenna angle reducesIt obtains so that trim telemetering
ΔUEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero2, antenna automatic tracking instruction on star is sent, keeps antenna on star accurate
It is directed toward earth station；
33) antenna pitch axes on star are controlled, so that elevation axis of antenna angle increasesIt obtains so that gun parallax telemetering
ΔUAThe Single Channel Monopulse Angle Tracking Systems phase α for being zero3, antenna automatic tracking instruction on star is sent, keeps antenna on star accurate
It is directed toward earth station；
34) antenna pitch axes on star are controlled, so that elevation axis of antenna angle reducesIt obtains so that gun parallax telemetering
ΔUAThe Single Channel Monopulse Angle Tracking Systems phase α for being zero4, antenna automatic tracking instruction on star is sent, keeps antenna on star accurate
It is directed toward earth station；
35) Single Channel Monopulse Angle Tracking Systems phase accurate calibration result α is calculated:
A kind of in-orbit calibration system of Single Channel Monopulse Angle Tracking Systems phase includes: earth station, ground testing system, number
According to processing module；
Earth station controls antenna on the star of satellite to be calibrated and is directed toward earth station, make to satellite launch calibration signal to be calibrated
Receiver locks ground calibration signal on the star of satellite to be calibrated, and ground testing system records telemetry, and telemetry is side
Potential difference telemetering voltage and trim telemetering voltage；
Ground testing system increases azimuth axis of antenna angle, ground by azimuth axis of antenna rotation on uplink remote control star
Face test macro records telemetry, and telemetry is antenna bearingt difference telemetering voltage and trim telemetering voltage；
Data processing module calculates Single Channel Monopulse Angle Tracking Systems phase according to telemetry and is slightly calibrated；
On star receiver receive by uplink remote control injection Single Channel Monopulse Angle Tracking Systems phase, and send certainly with
Track instruction, makes antenna on star be accurately directed to earth station；
Data processing module carries out accurate calibration to the phase of Single Channel Monopulse Angle Tracking Systems on the basis of thick calibration.
The calculating Single Channel Monopulse Angle Tracking Systems phase α0The formula slightly calibrated are as follows:
Wherein, K is the conversion coefficient of gun parallax telemetering voltage and azimuth axis of antenna deflection angle measured by ground experiment,
ΔUA0With Δ UE0For the antenna bearingt difference telemetering voltage of ground testing system record and trim telemetering when receiver on locking star
Voltage,Increase angle, Δ U for azimuth axis of antennaA1With Δ UE1For the increase of azimuth axis of antenna angleWhen, ground testing system note
The antenna bearingt difference telemetering voltage and trim telemetering voltage of record.
The method that the phase to Single Channel Monopulse Angle Tracking Systems carries out accurate calibration is that cross draws inclined method:
(51) ground testing system is by azimuth axis of antenna rotation on uplink remote control star, so that azimuth axis of antenna angle
IncreaseIt obtains so that trim telemetering voltage Δ UEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero1, by single channel list
Pulse angle tracking system phase α1It is remotely controlled receiver on injection star by uplink, and sends autotracking instruction, makes antenna essence on star
Really it is directed toward earth station；Wherein, θ is antenna half-power beamwidth on star；
(52) ground testing system is by azimuth axis of antenna rotation on uplink remote control star, so that azimuth axis of antenna angle
ReduceIt obtains so that trim telemetering Δ UEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero2, send star on antenna from
Motion tracking instruction, makes antenna on star be accurately directed to earth station；
(53) ground testing system is by antenna pitch axes on uplink remote control star, so that elevation axis of antenna angle
IncreaseIt obtains so that gun parallax telemetering Δ UAThe Single Channel Monopulse Angle Tracking Systems phase α for being zero3, send star on antenna from
Motion tracking instruction, makes antenna on star be accurately directed to earth station；
(54) ground testing system is by antenna pitch axes on uplink remote control star, so that elevation axis of antenna angle
ReduceIt obtains so that gun parallax telemetering Δ UAThe Single Channel Monopulse Angle Tracking Systems phase α for being zero4, send star on antenna from
Motion tracking instruction, makes antenna on star be accurately directed to earth station；
(55) Single Channel Monopulse Angle Tracking Systems phase accurate calibration result α is calculated,
The present invention having the beneficial effect that compared with prior art
(1) gun parallax of the invention for being directed toward position twice using antenna on star, trim telemetering are calculated and are obtained as input
Phase difference on poor channel, does not need additionally to increase on-board equipment, reduces the complexity of On-Star system, improve star
Upper system reliability.
(2) present invention only requires antennas on star carries out primary drawing partially in azimuth axis, reduces antenna on star and is initially directed toward not
Quasi- bring school phase error.
(3) present invention is reduced and is operated on star using thick, smart phase alignment twice, substantially reduces primary in-orbit school phase
Time used reduces the influence of attitude of satellite variation, the drift of rail position and variation of ambient temperature to school phase precision, improves
Phase alignment precision.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the in-orbit calibration method of Single Channel Monopulse Angle Tracking Systems phase of the present invention；
Specific embodiment
Flow chart of the invention as shown in Figure 1, below with reference to the 16 in-orbit phase alignment of bugle tracking system of culminant star implementation
A specific embodiment of the invention is explained in further detail in example.
(1) the southwestern aerial ground erect-positions of culminant star 16 are in Zun Yi, and Zun Yi earth station sends uplink signal to satellite, control to
Antenna is directed toward earth station on the star of calibration satellite, lock receiver on star can normally, at this point, southwestern antenna X-axis angle telemetering
It is 84.089 °, Y-axis angle telemetering is 174.073 °；Ground testing system record star on antenna gun parallax telemetering voltage be-
1.67V, antenna trim telemetering voltage is 2.584V on star；
(2) it controls azimuth axis of antenna forward direction on star and draws inclined 0.1 °, at this point, southwestern antenna X-axis angle telemetering is 84.183 °, Y
Shaft angle degree telemetering is 174.073 °；It is -1.108V, antenna on star that ground testing system, which records antenna gun parallax telemetering voltage on star,
Trim telemetering voltage is -0.163V；
(3) conversion coefficient K=2V/ of gun parallax telemetering voltage measured by ground experiment and azimuth axis of antenna deflection angle
0.1 °, due to Δ UE1-ΔUE0< 0 is thick to calibrate Single Channel Monopulse Angle Tracking Systems phase
(4) α that will be measured in step (3)0It is remotely controlled receiver on injection star by uplink, and sends autotracking instruction, is made
Antenna is accurately directed to earth station on star；
(5) inclined method is drawn to carry out accurate calibration to the phase of southwestern antenna using cross, the specific method is as follows:
(5a) controls southwestern azimuth axis of antenna forward direction and draws inclined 0.2 °, and adjustment phase place is 285.63 °, at this point, ground test system
System record antenna bearingt difference telemetering is 4.1V, and trim telemetering is -0.05V；
(5b) controls southwestern azimuth axis of antenna negative sense and draws inclined 0.2 °, and adjustment phase place is 289.87 °, at this point, ground test system
System record antenna bearingt difference telemetering is -4.05V, and trim telemetering is -0.05V；
(5c) controls southwestern elevation axis of antenna negative sense and draws inclined 0.2 °, and adjustment phase place is 286.6 °, at this point, ground testing system
Record antenna bearingt difference telemetering is 0.05V, and trim telemetering is 3.98V；
(5d) controls southwestern elevation axis of antenna negative sense and draws inclined 0.2 °, and adjustment phase place is 291.28 °, at this point, ground test system
System record antenna bearingt difference telemetering is 0.05V, and trim telemetering is -4.01V；
(5e) is calculatedSo far single channel list is completed
The in-orbit accurate calibration of pulse angle tracking system phase, result are 288.35 °, and entire test process time-consuming is 10 minutes.
A kind of in-orbit calibration system of Single Channel Monopulse Angle Tracking Systems phase includes: Zun Yi earth station, ground test system
System, data processing module；
Zun Yi earth station controls antenna on the star of satellite to be calibrated and is directed toward ground to satellite launch calibration signal to be calibrated
It stands, so that receiver on the star of satellite to be calibrated is locked ground calibration signal, ground testing system records telemetry, telemetry
It is that antenna trim telemetering voltage is 2.584V on -1.67V and star for antenna gun parallax telemetering voltage on star；
Ground testing system increases azimuth axis of antenna angle, ground by azimuth axis of antenna rotation on uplink remote control star
Face test macro records telemetry, and telemetry is antenna bearingt difference telemetering voltage and trim telemetering voltage；
Data processing module calculates Single Channel Monopulse Angle Tracking Systems phase according to telemetry and is slightly calibrated；
On star receiver receive by uplink remote control injection Single Channel Monopulse Angle Tracking Systems phase, and send certainly with
Track instruction, makes antenna on star be accurately directed to earth station；
Data processing module carries out accurate calibration to the phase of Single Channel Monopulse Angle Tracking Systems on the basis of thick calibration.
The calculating Single Channel Monopulse Angle Tracking Systems phase α0The formula slightly calibrated are as follows:
Wherein, K is the conversion coefficient of gun parallax telemetering voltage and azimuth axis of antenna deflection angle measured by ground experiment,
ΔUA0With Δ UE0For the antenna bearingt difference telemetering voltage of ground testing system record and trim telemetering when receiver on locking star
Voltage,Increase angle, Δ U for azimuth axis of antennaA1With Δ UE1For the increase of azimuth axis of antenna angleWhen, ground testing system note
The antenna bearingt difference telemetering voltage and trim telemetering voltage of record.
The method that the phase to Single Channel Monopulse Angle Tracking Systems carries out accurate calibration is that cross draws inclined method:
(51) ground testing system is by azimuth axis of antenna rotation on uplink remote control star, so that azimuth axis of antenna angle
IncreaseIt obtains so that trim telemetering voltage Δ UEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero1, by single channel list
Pulse angle tracking system phase α1It is remotely controlled receiver on injection star by uplink, and sends autotracking instruction, makes antenna essence on star
Really it is directed toward earth station；Wherein, θ is antenna half-power beamwidth on star；
(52) ground testing system is by azimuth axis of antenna rotation on uplink remote control star, so that azimuth axis of antenna angle
ReduceIt obtains so that trim telemetering Δ UEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero2, send star on antenna from
Motion tracking instruction, makes antenna on star be accurately directed to earth station；
(53) ground testing system is by antenna pitch axes on uplink remote control star, so that elevation axis of antenna angle
IncreaseIt obtains so that gun parallax telemetering Δ UAThe Single Channel Monopulse Angle Tracking Systems phase α for being zero3, send star on antenna from
Motion tracking instruction, makes antenna on star be accurately directed to earth station；
(54) ground testing system is by antenna pitch axes on uplink remote control star, so that elevation axis of antenna angle
ReduceIt obtains so that gun parallax telemetering Δ UAThe Single Channel Monopulse Angle Tracking Systems phase α for being zero4, send star on antenna from
Motion tracking instruction, makes antenna on star be accurately directed to earth station；
(55) Single Channel Monopulse Angle Tracking Systems phase accurate calibration result α is calculated,
The above, optimal specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (3)
1. a kind of in-orbit calibration method of Single Channel Monopulse Angle Tracking Systems phase, it is characterised in that steps are as follows:
1) Single Channel Monopulse Angle Tracking Systems phase is slightly calibrated；
2) according to thick calibration result, Single Channel Monopulse Angle Tracking Systems phase is injected by receiver on star by uplink remote control,
And autotracking instruction is sent, so that antenna on star is accurately directed to earth station；
3) accurate calibration is carried out to the phase of Single Channel Monopulse Angle Tracking Systems on the basis of thick calibration result；
The method of the thick calibration Single Channel Monopulse Angle Tracking Systems phase are as follows:
11) it to satellite emission signal, controls antenna on star and is directed toward earth station, make receiver locking signal on star, record telemetering number
According to telemetry includes the gun parallax telemetering voltage Δ U of antennaA0With trim telemetering voltage Δ UE0；
12) azimuth axis of antenna rotation on star is controlled, azimuth axis of antenna angle is increasedTelemetry is recorded, telemetry includes day
The gun parallax telemetering voltage Δ U of lineA1With trim telemetering voltage Δ UE1；
13) conversion coefficient of the gun parallax telemetering voltage according to measured by ground experiment and azimuth axis of antenna deflection angle, above-mentioned
Telemetry and azimuth axis of antenna increase angle, calculate Single Channel Monopulse Angle Tracking Systems phase α0Thick calibration result；
The method that the phase of the Single Channel Monopulse Angle Tracking Systems carries out accurate calibration is that cross draws inclined method；The cross is drawn
Inclined method, specifically:
31) azimuth axis of antenna rotation on star is controlled, so that azimuth axis of antenna angle increasesIt obtains so that trim telemetering voltage
ΔUEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero1, by Single Channel Monopulse Angle Tracking Systems phase α1Pass through uplink
Receiver on remote control injection star, and autotracking instruction is sent, so that antenna on star is accurately directed to earth station；Wherein, θ is antenna on star
Half-power beam width；
32) azimuth axis of antenna rotation on star is controlled, so that azimuth axis of antenna angle reducesIt obtains so that trim telemetering Δ UE
The Single Channel Monopulse Angle Tracking Systems phase α for being zero2, antenna automatic tracking instruction on star is sent, refers to antenna on star accurately
Ground station；
33) antenna pitch axes on star are controlled, so that elevation axis of antenna angle increasesIt obtains so that gun parallax telemetering Δ UAFor
Zero Single Channel Monopulse Angle Tracking Systems phase α3, antenna automatic tracking instruction on star is sent, antenna on star is accurately directed to
Earth station；
34) antenna pitch axes on star are controlled, so that elevation axis of antenna angle reducesIt obtains so that gun parallax telemetering Δ UA
The Single Channel Monopulse Angle Tracking Systems phase α for being zero4, antenna automatic tracking instruction on star is sent, refers to antenna on star accurately
Ground station；
35) Single Channel Monopulse Angle Tracking Systems phase accurate calibration result α is calculated,
2. a kind of in-orbit calibration method of Single Channel Monopulse Angle Tracking Systems phase according to claim 1, it is characterised in that:
The calculating Single Channel Monopulse Angle Tracking Systems phase α0Thick calibration result calculation formula are as follows:
Wherein, K is the conversion coefficient of gun parallax telemetering voltage and azimuth axis of antenna deflection angle measured by ground experiment.
3. a kind of in-orbit calibration system of Single Channel Monopulse Angle Tracking Systems phase, characterized by comprising: earth station, ground are surveyed
Test system, data processing module；
Earth station controls antenna on the star of satellite to be calibrated and is directed toward earth station, make to school to satellite launch calibration signal to be calibrated
Receiver locks ground calibration signal on the star of satelloid, and ground testing system records telemetry, and telemetry is gun parallax
Telemetering voltage and trim telemetering voltage；
Ground testing system increases azimuth axis of antenna angle by azimuth axis of antenna rotation on uplink remote control star, and ground is surveyed
Test system records telemetry, and telemetry is antenna bearingt difference telemetering voltage and trim telemetering voltage；
Data processing module calculates Single Channel Monopulse Angle Tracking Systems phase according to telemetry and is slightly calibrated；
Receiver receives the Single Channel Monopulse Angle Tracking Systems phase by uplink remote control injection on star, and sends autotracking and refer to
It enables, antenna on star is made to be accurately directed to earth station；
Data processing module carries out accurate calibration to the phase of Single Channel Monopulse Angle Tracking Systems on the basis of thick calibration；
The calculating Single Channel Monopulse Angle Tracking Systems phase α0The formula slightly calibrated are as follows:
Wherein, K is the conversion coefficient of gun parallax telemetering voltage and azimuth axis of antenna deflection angle measured by ground experiment, Δ UA0
With Δ UE0The antenna bearingt difference telemetering voltage and trim telemetering voltage of ground testing system record when to lock receiver on star,Increase angle, Δ U for azimuth axis of antennaA1With Δ UE1For the increase of azimuth axis of antenna angleWhen, ground testing system record
Antenna bearingt difference telemetering voltage and trim telemetering voltage；
The method that the phase to Single Channel Monopulse Angle Tracking Systems carries out accurate calibration is that cross draws inclined method；The cross
Draw inclined method are as follows:
(51) ground testing system is by azimuth axis of antenna rotation on uplink remote control star, so that azimuth axis of antenna angle increasesIt obtains so that trim telemetering voltage Δ UEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero1, by single channel monopulse
Angle tracking system phase α1It is remotely controlled receiver on injection star by uplink, and sends autotracking instruction, refers to antenna on star accurately
Ground station；Wherein, θ is antenna half-power beamwidth on star；
(52) ground testing system is by azimuth axis of antenna rotation on uplink remote control star, so that azimuth axis of antenna angle reducesIt obtains so that trim telemetering Δ UEThe Single Channel Monopulse Angle Tracking Systems phase α for being zero2, send star on antenna automatically with
Track instruction, makes antenna on star be accurately directed to earth station；
(53) ground testing system is by antenna pitch axes on uplink remote control star, so that elevation axis of antenna angle increasesIt obtains so that gun parallax telemetering Δ UAThe Single Channel Monopulse Angle Tracking Systems phase α for being zero3, send star on antenna automatically with
Track instruction, makes antenna on star be accurately directed to earth station；
(54) ground testing system is by antenna pitch axes on uplink remote control star, so that elevation axis of antenna angle reducesIt obtains so that gun parallax telemetering Δ UAThe Single Channel Monopulse Angle Tracking Systems phase α for being zero4, send star on antenna automatically with
Track instruction, makes antenna on star be accurately directed to earth station；
(55) Single Channel Monopulse Angle Tracking Systems phase accurate calibration result α is calculated,
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| CN113629400B (en) * | 2021-08-19 | 2023-09-26 | 王举思 | Single pulse antenna tracking phase correction method |
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| KR20080040543A (en) * | 2006-11-02 | 2008-05-08 | 엘지전자 주식회사 | Method for transmitting data using phase shift based precoding and tranceiver supporting the same |
| CN101826888B (en) * | 2010-03-15 | 2012-10-03 | 中国电子科技集团公司第十研究所 | Processing method of automatically calibrating sum-and-difference passage spread spectrum code phase to coincidence |
| CN101964449A (en) * | 2010-08-27 | 2011-02-02 | 中国科学院上海微系统与信息技术研究所 | On-track correcting device of space-borne phased array transmitting antenna |
| CN103439695B (en) * | 2013-09-05 | 2015-04-22 | 中国电子科技集团公司第十研究所 | Angle tracking system phase increment phase-correcting method |
| CN103595460B (en) * | 2013-10-16 | 2016-06-29 | 西安空间无线电技术研究所 | A kind of acquisition and tracking system based on link terminal and in-orbit phase alignment |
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