CN107167821A - High-precision satellite relay antenna tracking function test system and its method of testing - Google Patents
High-precision satellite relay antenna tracking function test system and its method of testing Download PDFInfo
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- CN107167821A CN107167821A CN201710344352.2A CN201710344352A CN107167821A CN 107167821 A CN107167821 A CN 107167821A CN 201710344352 A CN201710344352 A CN 201710344352A CN 107167821 A CN107167821 A CN 107167821A
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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
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention discloses a kind of high-precision satellite relay antenna tracking function test system and its method of testing, the system includes angle error controller, for error of fixed angles control software, set by network control signal source, signal generator attenuation box, vector network analyzer device parameter, the parameter value of each equipment is recorded simultaneously, and is calculated etc..The signal that the present invention can provide the self-defined phase difference of two-way supplies relay antenna tracking and testing so that output signal is more precise and stable, it is ensured that the security and validity of satellite test, solves the problem of conventional ground test signal is single and unstable；Realize and provide high-precision beacon and difference signal for the test of satellite relay user terminal tracks；With certain versatility, it can be applied to all satellite grounds with relaying following function and test, it is possible to increase ground test ability, be obviously improved the test effect of relaying tracing subsystem.
Description
Technical field
It is more particularly to a kind of high-precision the present invention relates to a kind of relay antenna following function test system and its method of testing
Spend satellite relay antenna tracking function test system and its method of testing
Background technology
TDRSS Tracking and Data Relay Satellite System, earth station centering low orbit space flight greatly can be covered and forward with it
The tracking measurement and control signal and centering low orbit spacecraft of device are beamed back the information such as data, image, the speech on ground and carried out in real time, continuously
The advantage such as relaying, be increasingly becoming Developing Space technology more and more important project.
Target acquistion points to the key technology that control technology is TDRSS Tracking and Data Relay Satellite System with tracking between star,
It is the most important condition for setting up inter-satellite link.The low orbit satellite of the transmitting of China's plan in recent years and operation drastically increases, in being required for
After the support of satellite system, therefore the ground test task of satellite relay tracing subsystem is sharply increased.Relaying tracing subsystem is related to
And tracking antenna, it, which is received, sends the stricter test site of signal needs.So in ground test, mostly being believed using ground
Number analog machine simulates the signal that antenna is received, from the point of view of research in the past is consulted, and the design of signal imitation equipment is simple, output
Jitter, can only qualitatively go to test the tracking performance of tracing subsystem.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of high-precision satellite relay antenna tracking function test system
And its method of testing, it is solved, and satellite relay user terminal tracks measuring accuracy is not high, test signal is simple and unstable asks
Topic, using the teaching of the invention it is possible to provide the signal of the self-defined phase difference of two-way supplies relay antenna tracking and testing, the device possesses self-test capability, and and poor
Signal uses feedback control loop so that output signal is more precise and stable, it is ensured that the security and validity of satellite test, can
Ground test ability is improved, the test effect of relaying tracing subsystem is obviously improved.
The present invention is to solve above-mentioned technical problem by following technical proposals：A kind of high-precision satellite relay antenna with
Track function test system, it includes：
Angle error controller, for error of fixed angles control software, is decayed by network control signal source, signal generator
Case, vector network analyzer device parameter are set, while recording the parameter value of each equipment, and are calculated, to realize amplitude
With phase and difference signal；Frequency, amplitude, the phase difference parameter with difference signal are inputted to software, system exports high accuracy automatically
Relay beacon signal；
Signal source, for producing relay beacon signal source, the single-carrier signal that frequency is fixed all the way declines with signal generator
Subtract the power splitter input connection inside case, be connected with angle error controller network, and by angle error controller control output phase
Answer the signal of frequency and amplitude；
Signal generator attenuation box, the initial signal exported for process signal source carries out phase offset, amplitude to it and adjusted
Section, inside includes power splitter, phase shifter, the first programmable attenuator, the second programmable attenuator, coupler；Phase shifter passes through GPIB
Gateway is by the control of angle error controller, the first programmable attenuator and the second programmable attenuator directly by network by angle error control
Device is controlled；Phase shifter carries out phase offset to input signal, and phase pushing figure is believed input by software control, programmable attenuator
Number amplitude fading is carried out, attenuation passes through software control；
Vector network analyzer, phase difference and amplitude for receiving the coupled signal with difference signal, monitoring and difference signal
Difference, angle error controller is given by parameter feedback；Because the phase value of the second programmable attenuator of signal generator attenuation box shifts to an earlier date
Self-inspection is predicted, therefore the coupled signal phase value that receives of vector network analyzer and range value and is effectively outputed to satellite relay use
The phase value and range value of family terminal and difference signal are linear relationship；Control signal generator attenuation box is gone by control software
The output valve of phase shifter and attenuator, to realize and difference signal.
As shown in Fig. 2 the method for testing of present invention high accuracy satellite relay antenna tracking function test system is including following
Step：
Step one, the calibration of relaying and difference signal test cable, in order to ensure, test company accurate with poor output signal
The amplitude difference and phase difference of two radio-frequency cables of satellite relay subsystem units are connect, and the parameter is input to angle error control
In software, the output accuracy with difference signal is improved, the step is calibrated once in the case where cable laying state is constant；
Programmable attenuator is calibrated in step 2, signal generator attenuation box, in order to ensure the high accuracy of phase of output signal,
The first programmable attenuator and the second programmable attenuator of two passages are calibrated respectively, software record change per 1dB automatically
In the case of, the corresponding phase place change of programmable attenuator, the step is calibrated once in the case of equipment state inconvenience；
Step 3, link original state phase and amplitude measurement, original state is carried out before angle error generator use
Phase and amplitude is measured, and software records original state phase and amplitude value automatically；
Step 4, satellite relay user terminal is connected to by test cable, and first passage, second are set using control software
The output amplitude value of passage, first passage, the phase difference arranges value of second channel are to be output at satellite relay user terminal
With the range value and phase difference value of difference signal.
The positive effect of the present invention is：The present invention can provide the signal of the self-defined phase difference of two-way for relaying day
Line tracking and testing, the system possesses self-test capability, and uses feedback control loop with difference signal so that output signal is more accurate steady
It is fixed, it is ensured that the security and validity of satellite test, solve the problem of conventional ground test signal is single and unstable；It is real
Show and provide high-precision beacon and difference signal for the test of satellite relay user terminal tracks；Disclosed measure method is to various
Model satellite relay tracking ground test has certain versatility, with can be applied to all satellites for having and relaying following function
Face is tested, it is possible to increase ground test ability, is obviously improved the test effect of relaying tracing subsystem.
Brief description of the drawings
Fig. 1 is system framework figure of the invention.
Fig. 2 is flow chart of the invention.
Embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
As shown in figure 1, present invention high accuracy satellite relay antenna tracking function test system includes：
Angle error controller, for error of fixed angles control software, is decayed by network control signal source, signal generator
Case, vector network analyzer device parameter are set, while recording the parameter value of each equipment, and are calculated, to realize amplitude
With phase and difference signal；Frequency, amplitude, the phase difference parameter with difference signal are inputted to software, system exports high accuracy automatically
Relay beacon signal；
Signal source, for producing relay beacon signal source, the single-carrier signal that frequency is fixed all the way declines with signal generator
Subtract the power splitter input connection inside case, be connected with angle error controller network, and by angle error controller control output phase
Answer the signal of frequency and amplitude；
Signal generator attenuation box, the initial signal exported for process signal source carries out phase offset, amplitude to it and adjusted
Section, inside includes power splitter, phase shifter (1 tunnel), the first programmable attenuator (2 tunnel), the second programmable attenuator (2 tunnel), coupler
(2 tunnel)；Phase shifter is controlled by GPIB (general purpose interface bus) gateways by angle error controller, the first programmable attenuator and second
Programmable attenuator is directly controlled by network by angle error controller；Phase shifter carries out phase offset to input signal, and phase is inclined
Shifting amount carries out amplitude fading by software control, programmable attenuator to input signal, and attenuation passes through software control；
Vector network analyzer, phase difference and amplitude for receiving the coupled signal with difference signal, monitoring and difference signal
Difference, angle error controller is given by parameter feedback；Because the phase value of the second programmable attenuator of signal generator attenuation box shifts to an earlier date
Self-inspection is predicted, therefore the coupled signal phase value that receives of vector network analyzer and range value and is effectively outputed to satellite relay use
The phase value and range value of family terminal and difference signal are linear relationship；Control signal generator attenuation box is gone by control software
The output valve of phase shifter and attenuator, to realize and difference signal.
As shown in Fig. 2 the method for testing of present invention high accuracy satellite relay antenna tracking function test system is including following
Step：
Step one, the calibration of relaying and difference signal test cable, in order to ensure, test company accurate with poor output signal
The amplitude difference and phase difference of two radio-frequency cables of satellite relay subsystem units are connect, and the parameter is input to angle error control
In software, the output accuracy with difference signal is improved, the step is calibrated once in the case where cable laying state is constant；
Programmable attenuator is calibrated in step 2, signal generator attenuation box, in order to ensure the high accuracy of phase of output signal,
The first programmable attenuator and the second programmable attenuator of two passages are calibrated respectively, record (divides software per 1dB automatically
Shellfish) change in the case of, the corresponding phase place change of programmable attenuator, the step equipment state inconvenience in the case of calibrate one
It is secondary；
Step 3, link original state phase and amplitude measurement, original state is carried out before angle error generator use
Phase and amplitude is measured, and software records original state phase and amplitude value automatically；
Step 4, satellite relay user terminal is connected to by test cable, and first passage, second are set using control software
The output amplitude value of passage, first passage, the phase difference arranges value of second channel are to be output at satellite relay user terminal
With the range value and phase difference value of difference signal.
In test process, using signal source, signal generator attenuation box simulation produce relay beacon and, difference signal, profit
The actual phase difference of two paths of signals phase is calculated with vector network analyzer and control software is fed back to, control software control
Apparatus System self-test, phase shifter, adjustable attenuator, vector network analyzer, are finally reached device output reliable and stable
Two-way has the signal of certain phase difference.
Particular embodiments described above, technical problem, technical scheme and beneficial effect to the solution of the present invention are carried out
It is further described, should be understood that the specific embodiment that the foregoing is only of the invention, be not limited to
The present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. should be included in this
Within the protection domain of invention.
Claims (2)
1. a kind of high-precision satellite relay antenna tracking function test system, it is characterised in that it includes：
Angle error controller, for error of fixed angles control software, by network control signal source, signal generator attenuation box,
Vector network analyzer device parameter is set, while recording the parameter value of each equipment, and is calculated, to realize amplitude and phase
Position and difference signal；Frequency, amplitude, the phase difference parameter with difference signal are inputted to software, system exports high-precision relaying automatically
Beacon signal；
Signal source, for producing relay beacon signal source, fixes the single-carrier signal and signal generator attenuation box of frequency all the way
Internal power splitter input connection, is connected with angle error controller network, and by angle error controller control output respective tones
The signal of rate and amplitude；
Signal generator attenuation box, the initial signal exported for process signal source, phase offset, amplitude adjusted are carried out to it,
Inside includes power splitter, phase shifter, the first programmable attenuator, the second programmable attenuator, coupler；Phase shifter passes through GPIB gateways
By the control of angle error controller, the first programmable attenuator and the second programmable attenuator directly by network by angle error controller control
System；Phase shifter carries out phase offset to input signal, and phase pushing figure is entered by software control, programmable attenuator to input signal
Line amplitude decays, and attenuation passes through software control；
Vector network analyzer, phase difference and amplitude difference for receiving the coupled signal with difference signal, monitoring and difference signal, will
Parameter feedback gives angle error controller；Due to the phase value of the second programmable attenuator of signal generator attenuation box, to shift to an earlier date self-inspection pre-
Know, therefore the coupled signal phase value that receives of vector network analyzer and range value and be effectively outputed to satellite relay user terminal
Phase value and range value with difference signal are linear relationship；The phase shifter of control signal generator attenuation box is removed by control software
With the output valve of attenuator, to realize and difference signal.
2. a kind of method of testing of high-precision satellite relay antenna tracking function test system, it is characterised in that it includes following
Step：
Step one, the calibration of relaying and difference signal test cable, in order to ensure accurate with poor output signal, test connection and defends
The amplitude difference and phase difference of two radio-frequency cables of star relaying subsystem units, and the parameter is input to angle error control software
In, the output accuracy with difference signal is improved, the step is calibrated once in the case where cable laying state is constant；
Programmable attenuator is calibrated in step 2, signal generator attenuation box, in order to ensure the high accuracy of phase of output signal, to two
The first programmable attenuator and the second programmable attenuator of individual passage are calibrated respectively, the software feelings that record changes per 1dB automatically
Under condition, the corresponding phase place change of programmable attenuator, the step is calibrated once in the case of equipment state inconvenience；
Step 3, link original state phase and amplitude measurement, carries out original state phase before angle error generator use
And amplitude measurement, software records original state phase and amplitude value automatically；
Step 4, satellite relay user terminal is connected to by test cable, and first passage, second channel are set using control software
Output amplitude value, first passage, the phase difference arranges value of second channel are being output at satellite relay user terminal and poor
The range value and phase difference value of signal.
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| CN201710344352.2A CN107167821A (en) | 2017-05-16 | 2017-05-16 | High-precision satellite relay antenna tracking function test system and its method of testing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880654A (en) * | 2018-04-26 | 2018-11-23 | 交通运输部水运科学研究所 | The test method and device of the ground segment of middle rail search and rescue system |
| CN109374990A (en) * | 2018-12-03 | 2019-02-22 | 北京无线电计量测试研究所 | A kind of antenna phase center calibration method |
| CN112147924A (en) * | 2020-08-27 | 2020-12-29 | 航天东方红卫星有限公司 | High-precision program-controlled task management system |
| CN112217536A (en) * | 2020-11-30 | 2021-01-12 | 成都泰格微电子研究所有限责任公司 | Radio frequency front end of satellite ground station and self-checking method thereof |
| CN112947521A (en) * | 2021-02-10 | 2021-06-11 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Multifunctional simulation platform of spacecraft measurement and control system |
| CN113162681A (en) * | 2021-04-23 | 2021-07-23 | 上海卫星工程研究所 | Extensible feedback type amplitude-phase control system, method and medium |
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| CN102724005A (en) * | 2012-06-18 | 2012-10-10 | 上海卫星工程研究所 | Ground automatic testing instrument device with satellite relay trace function and testing method thereof |
| CN103595459A (en) * | 2013-10-16 | 2014-02-19 | 西安空间无线电技术研究所 | Capturing and tracking system based on relay terminal and automatic target tracking method |
| CN103698778A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Amplitude and phase error signal generator |
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| JPH11284534A (en) * | 1998-03-30 | 1999-10-15 | Mitsubishi Electric Corp | Tacking receiver |
| CN102394370A (en) * | 2011-07-11 | 2012-03-28 | 北京爱科迪信息通讯技术有限公司 | Satellite antenna tracking device and tracking method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880654A (en) * | 2018-04-26 | 2018-11-23 | 交通运输部水运科学研究所 | The test method and device of the ground segment of middle rail search and rescue system |
| CN109374990A (en) * | 2018-12-03 | 2019-02-22 | 北京无线电计量测试研究所 | A kind of antenna phase center calibration method |
| CN112147924A (en) * | 2020-08-27 | 2020-12-29 | 航天东方红卫星有限公司 | High-precision program-controlled task management system |
| CN112217536A (en) * | 2020-11-30 | 2021-01-12 | 成都泰格微电子研究所有限责任公司 | Radio frequency front end of satellite ground station and self-checking method thereof |
| CN112217536B (en) * | 2020-11-30 | 2024-03-08 | 成都泰格微电子研究所有限责任公司 | Radio frequency front end of satellite ground station and self-checking method thereof |
| CN112947521A (en) * | 2021-02-10 | 2021-06-11 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Multifunctional simulation platform of spacecraft measurement and control system |
| CN113162681A (en) * | 2021-04-23 | 2021-07-23 | 上海卫星工程研究所 | Extensible feedback type amplitude-phase control system, method and medium |
| CN113162681B (en) * | 2021-04-23 | 2022-08-12 | 上海卫星工程研究所 | Extensible feedback type amplitude-phase control system, method and medium |
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Application publication date: 20170915 |