CN106301406A - A kind of GPS and wireless analog signal source system and processing method - Google Patents
A kind of GPS and wireless analog signal source system and processing method Download PDFInfo
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- CN106301406A CN106301406A CN201610668834.9A CN201610668834A CN106301406A CN 106301406 A CN106301406 A CN 106301406A CN 201610668834 A CN201610668834 A CN 201610668834A CN 106301406 A CN106301406 A CN 106301406A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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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
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Abstract
The invention provides a kind of GPS and wireless analog signal source system and processing method, relate to field of navigation technology.It is characterized in that, described system includes: control terminal, radio signal source and gps signal source；Described control terminal signal respectively is connected to radio signal source and gps signal source；Described control terminal includes: control unit and data transmission unit；Described radio signal source includes: control command transmission unit, modulated signal input block, radio AD conversion unit, radio processing unit, radio filtering and attenuation units and radio frequency output unit；Described gps signal source includes: GPS processing unit, GPS end AD conversion unit, mixing unit, frequency synthesis unit and GPS filtering and attenuation units.This invention has motility, versatility, low cost and other advantages.
Description
Technical field
The present invention relates to field of navigation technology, particularly to a kind of GPS and wireless analog signal source system and process
Method.
Background technology
In modern Aviation, navigation is a kind of highly important technology.Generally, we are guiding carrier by both tramp-liners
The process of navigation is referred to as navigation.Whole (or part) process utilizing radiotechnics to navigate by water carrier realizes navigation, is referred to as
Radionavigation.Up to the present, radio navigation system is that military and civilian navigate the most widely used guider in the world, several
All of military and civilian's plane field is equipped with radio navigation system.Currently, shoran in the aviation of China's civil and military
Present situation is also still based on radionavigation, and owing to existing aircraft landing system device is the most unsound, therefore, radio
Navigation system is gone home for guarantee aircraft and approach guidance is just particularly important.The civil onboard being widely used at present without
Line electricity navigation system has Automatic Direction Finder, VHF Omnidirection range system, instrument landing system, weather radar, answering machine, survey
Away from machine, Low Range Radio Altimeter, Doppler naviga tion system and Omega.
Radio navigation system is made up of Land Navigation Installation and airborne equipment, and airborne equipment is mainly by loop aerial, vertical
Antenna, antenna amplifier antennafire, ring adapter, receiver, central control unit, radio pathfinder, earphone and connection cable
Deng constituting, can survey aircraft be relative to the course angle of Land Navigation Installation automatically, continuously, it is simple to for aircraft navigation.
In reality navigation test, in navigating for analog radio, the output radiofrequency signal of combined antenna, often requires that and sets
Count the various signal source meeting navigation system performance and technical requirement.Signal form, parameter and work produced by signal source
Make mode etc. to be adjusted flexibly in real time according to system requirements.Therefore, signal source must possess signal generating method spirit
Live, Parameters variation speed is fast, signal spectrum purity height, the features such as system stability is reliable.And the signal form of signal source and parameter
The feature of real-time variable is mainly reflected in the technical of signal generator.
It addition, the land, sea, air navigation that GPS technology is militarily, pinpoint bombing and ship-based missile guidance obtain extensively
Application.Especially in the Gulf War of 1991, the guided missile of U.S. army hits far under the navigation of global position system accurately
Journey target leaves deep impression to the whole world.From at that time, GPS technology i.e. Satellite Navigation Technique cause people
Concern.Along with GPS technology opens to civilian, the huge commercial opportunities that it is contained are mined out, in flourishing states such as America and Europes
Family, GPS industry is created benefit every year and is reached tens billion of dollar.In particular with the integrated micro of satellite navigation receiver, go out
The personal information terminal that existing various circulation letter, computer, GPS are integrated, is that Satellite Navigation Technique moves towards popular from professional application,
Become the 3rd new growth point of information industry after communication, the Internet and the important component part of country's overall national strength.
In real process, it is also required to manually generated gps signal source carries out the test of GPS navigation system.Therefore one is researched and developed
GPS and radionavigational signal source comprehensively generate system will have the biggest realistic meaning.
Existing signal source system is primarily present following problem:
1, function singleness: navigate just for a kind of navigation system, do not possess the strongest practicality.
2, motility is the best: can only carry out the signal source generation of uniqueness for single frequency and angle.Do not possess very
Strong motility.
3, versatility is poor: different communication systems, when using existing signal source, is required for greatly using different soft
Hardware realizes.The strongest general applicability cannot be accomplished.
Summary of the invention
In consideration of it, the invention provides a kind of GPS and wireless analog signal source system and processing method, the present invention has
There are diverse in function, motility height, highly versatile, low cost and precision advantages of higher.
The technical solution used in the present invention is as follows:
A kind of GPS and wireless analog signal source system, it is characterised in that described system includes: control terminal, aerogram
Number source and gps signal source；Described control terminal signal respectively is connected to radio signal source and gps signal source；Institute
State control terminal to include: control unit and data transmission unit；Described control unit signal is connected to data transmission unit；Described
Radio signal source includes: control command transmission unit, modulated signal input block, radio AD conversion unit, radio
Processing unit, radio filtering and attenuation units and radio frequency output unit；Described control command transmission unit signal is connected to nothing
Line electric treatment unit；Described radio processing unit signal is connected to radio AD conversion unit and modulated signal transmission unit；
Described radio AD conversion cell signal is connected to radio filtering and attenuation units；Described radio filtering and attenuation units letter
Number it is connected to radio frequency output unit；Described gps signal source includes: GPS processing unit, GPS end AD conversion unit, mixing list
Unit, frequency synthesis unit and GPS filtering and attenuation units；Described GPS processing unit signal be connected to GPS end AD conversion unit,
Described GPS end AD conversion cell signal is connected to mixing unit；Described mixing unit signal is connected to frequency synthesis unit；Described
Frequency synthesis cell signal is connected to GPS filtering and attenuation units.
Described data transmission unit signal the most respectively is connected to GPS processing unit and control command transmission unit, for even
Logical control terminal data communication respectively and between radio signal source and gps signal far-end；Described control unit, including:
Module, mode selection module and startup module are set；Described module is set, for arranging the setting angle of signal source, frequency；Institute
State mode selection module, need gps signal source to need for radio-signal source for selection.
Described control command transmission unit, for connecting radio signal source and the data communication controlled between terminal,
Receive from controlling the control command data that terminal sends over, control command data is sent to radio processing unit；Institute
State modulated signal transmission unit, for connecting the modulated signal transmission controlled between terminal and radio processing unit；Described nothing
Line electric treatment unit, for according to controlling the control command that sends over of terminal, carries out System self-test, frequency setting, angle set
The operation that fixed and radio frequency starts, and multiple clock signals of frequency, root needed for the crystal oscillator generation system within utilization
According to the modulated signal rate control command of host computer, generate final modulated signal；Described radio AD conversion unit, being used for will
Digitized modulated signal is converted to analogue signal, sends analogue signal to radio filtering and attenuation units；Described wireless
Electrofiltration ripple and attenuation units, for the analogue signal generated is filtered and is decayed, the signal after processing sends to radio frequency
Output unit；Described radio frequency output unit, for sending out the signal of generation.
Described GPS processing unit, for according to controlling data message and the crystal oscillator of itself that terminal sends over
Gps signal needed for generation；The gps signal generated is sent to GPS end AD conversion unit；Described GPS end AD conversion unit will
The simulation gps signal generated is converted to numeral gps signal, sends numeral gps signal to mixing unit；Described mixing unit bag
Include: frequency mixer, frequency synthesizer and crystal resonator, for the crystal oscillation signal that the digital gps signal received and crystal resonator are produced
It is mixed, the signal after mixing is sent to GPS filtering and attenuation units；Described GPS filtering and attenuation units, for mixed
Gps signal after Pin is filtered and decays.
A kind of GPS and the processing method of wireless analog signal source system, it is characterised in that described method includes following
Step:
Step 1: start and control terminal, radio signal source and gps signal source；
Step 2: select to need radio-signal source or gps signal source by mode selection module；If selection aerogram
Number source, then perform step 3, if selecting gps signal source, then performs step 7；
Step 3: control terminal and send order data through data transmission unit transmission to control command transmission unit, control command biography
Order data is sent to radio processing unit by defeated unit；
Step 4: after radio processing unit receives order data, first carries out System self-test, then sets signal source
Frequency and the angle of signal source, and start radio frequency；
Step 5: it is raw that radio processing unit carries out signal according to the data command that crystal oscillator and control terminal send over
Become；Generate the radio signal source signal modulated；Radio signal source signal is sent to radio AD conversion unit；
Step 6: through the digital-to-analogue conversion of radio AD conversion unit and radio filtering and the filtering of attenuation units and attenuation processing
After, transmission to radio frequency output unit carries out signal source output；
Step 7: control terminal and send a command to GPS processing unit；
The data command that step 8:GPS processing unit sends over according to crystal oscillator and control terminal carries out signal generation；
Generate the gps signal source signal modulated；Gps signal source signal is sent to mixing unit；
After step 10:GPS filters the filtering with attenuation units and attenuation processing, signal source output；
The navigation signal form of the VHF Omnidirection range that described radio signal source produces is:
QUOTE
;
Wherein,Represent reference phase signal amplitude,Represent azimuth,Represent 30Hz angular frequency, represent
9960Hz angular frequency,Represent frequency modulation index (FM index),Represent the modulation of reference phase signal,Represent carrier signal angular frequency
Rate.
The navigation signal form of the Automatic Direction Finder that described radio signal source produces is:
;
Wherein, E represents signal amplitude, represents constant value, and M represents that modulation index, Ω represent low-frequency modulation signal frequency, the θ side of expression
Parallactic angle, Va represents that audio modulation signal, ω c represent carrier frequency.The difference designed according to each navigation signal, low frequency signal is by whole
Times one number time carry out phase bit flipping, be equivalent to before θ be multiplied by a sign function U(t).
Use above technical scheme, present invention produces following beneficial effect:
1, motility is high: the present invention can adapt to multiple working frequency range and several working ways by replacing program or module；Produce
The raw multiple gps signal source being applicable to different situation and radio-signal source.
2, precision is high, speed is fast: the present invention can use large-scale F PGA simultaneously, can be improved by the orientation accuracy of signal source
To 0.1 degree, output waveform frequency resolution reaches 0.01Hz, and can use high speed D/A chip, the maximum data rate up to
125MHz。
3, highly versatile: system structure is general, functional realiey is flexible.Different communication systems can be by relatively uniform hardware
Utilizing different software to realize, improvement and the upgrading of systemic-function are the most very convenient..
4, low cost: gps signal source has been carried out together with combination again by the present invention with radio-signal source, although individual equipment
Cost, but applicable object is wider, compared with individually all buying different gps signal sources and the cost of radio-signal source
Lower.
Accompanying drawing explanation
Fig. 1 is a kind of GPS and the system structure signal of wireless analog signal source system and processing method of the present invention
Figure.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary), unless specifically stated otherwise,
By other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalence or similar characteristics.
The embodiment of the present invention 1 provides a kind of GPS and wireless analog signal source system, system structure such as Fig. 1 institute
Show:
A kind of GPS and wireless analog signal source system, it is characterised in that described system includes: control terminal, aerogram
Number source and gps signal source；Described control terminal signal respectively is connected to radio signal source and gps signal source；Institute
State control terminal to include: control unit and data transmission unit；Described control unit signal is connected to data transmission unit；Described
Radio signal source includes: control command transmission unit, modulated signal input block, radio AD conversion unit, radio
Processing unit, radio filtering and attenuation units and radio frequency output unit；Described control command transmission unit signal is connected to nothing
Line electric treatment unit；Described radio processing unit signal is connected to radio AD conversion unit and modulated signal transmission unit；
Described radio AD conversion cell signal is connected to radio filtering and attenuation units；Described radio filtering and attenuation units letter
Number it is connected to radio frequency output unit；Described gps signal source includes: GPS processing unit, GPS end AD conversion unit, mixing list
Unit, frequency synthesis unit and GPS filtering and attenuation units；Described GPS processing unit signal be connected to GPS end AD conversion unit,
Described GPS end AD conversion cell signal is connected to mixing unit；Described mixing unit signal is connected to frequency synthesis unit；Described
Frequency synthesis cell signal is connected to GPS filtering and attenuation units.
Described data transmission unit signal the most respectively is connected to GPS processing unit and control command transmission unit, for even
Logical control terminal data communication respectively and between radio signal source and gps signal far-end；Described control unit, including:
Module, mode selection module and startup module are set；Described module is set, for arranging the setting angle of signal source, frequency；Institute
State mode selection module, need gps signal source to need for radio-signal source for selection.
Described control command transmission unit, for connecting radio signal source and the data communication controlled between terminal,
Receive from controlling the control command data that terminal sends over, control command data is sent to radio processing unit；Institute
State modulated signal transmission unit, for connecting the modulated signal transmission controlled between terminal and radio processing unit；Described nothing
Line electric treatment unit, for according to controlling the control command that sends over of terminal, carries out System self-test, frequency setting, angle set
The operation that fixed and radio frequency starts, and multiple clock signals of frequency, root needed for the crystal oscillator generation system within utilization
According to the modulated signal rate control command of host computer, generate final modulated signal；Described radio AD conversion unit, being used for will
Digitized modulated signal is converted to analogue signal, sends analogue signal to radio filtering and attenuation units；Described wireless
Electrofiltration ripple and attenuation units, for the analogue signal generated is filtered and is decayed, the signal after processing sends to radio frequency
Output unit；Described radio frequency output unit, for sending out the signal of generation.
Described GPS processing unit, for according to controlling data message and the crystal oscillator of itself that terminal sends over
Gps signal needed for generation；The gps signal generated is sent to GPS end AD conversion unit；Described GPS end AD conversion unit will
The simulation gps signal generated is converted to numeral gps signal, sends numeral gps signal to mixing unit；Described mixing unit bag
Include: frequency mixer, frequency synthesizer and crystal resonator, for the crystal oscillation signal that the digital gps signal received and crystal resonator are produced
It is mixed, the signal after mixing is sent to GPS filtering and attenuation units；Described GPS filtering and attenuation units, for mixed
Gps signal after Pin is filtered and decays.
The embodiment of the present invention 2 provides a kind of GPS and the processing method of wireless analog signal source system:
A kind of GPS and the processing method of wireless analog signal source system, it is characterised in that described method includes following step
Rapid:
Step 1: start and control terminal, radio signal source and gps signal source；
Step 2: select to need radio-signal source or gps signal source by mode selection module；If selection aerogram
Number source, then perform step 3, if selecting gps signal source, then performs step 7；
Step 3: control terminal and send order data through data transmission unit transmission to control command transmission unit, control command biography
Order data is sent to radio processing unit by defeated unit；
Step 4: after radio processing unit receives order data, first carries out System self-test, then sets signal source
Frequency and the angle of signal source, and start radio frequency；
Step 5: it is raw that radio processing unit carries out signal according to the data command that crystal oscillator and control terminal send over
Become；Generate the radio signal source signal modulated；Radio signal source signal is sent to radio AD conversion unit；
Step 6: through the digital-to-analogue conversion of radio AD conversion unit and radio filtering and the filtering of attenuation units and attenuation processing
After, transmission to radio frequency output unit carries out signal source output；
Step 7: control terminal and send a command to GPS processing unit；
The data command that step 8:GPS processing unit sends over according to crystal oscillator and control terminal carries out signal generation；
Generate the gps signal source signal modulated；Gps signal source signal is sent to mixing unit；
After step 10:GPS filters the filtering with attenuation units and attenuation processing, signal source output；
The navigation signal form of the VHF Omnidirection range that described radio signal source produces is:
QUOTE
;
Wherein,Represent reference phase signal amplitude,Represent azimuth,Represent 30Hz angular frequency, represent 9960Hz
Angular frequency,Represent frequency modulation index (FM index),Represent the modulation of reference phase signal,Represent carrier signal angular frequency.
The navigation signal form of the Automatic Direction Finder that described radio signal source produces is:
;
Wherein, E represents signal amplitude, represents constant value, and M represents that modulation index, Ω represent low-frequency modulation signal frequency, the θ side of expression
Parallactic angle, Va represents that audio modulation signal, ω c represent carrier frequency.The difference designed according to each navigation signal, low frequency signal is by whole
Times one number time carry out phase bit flipping, be equivalent to before θ be multiplied by a sign function U(t).
Providing a kind of GPS and wireless analog signal source system and processing method in the embodiment of the present invention 3, system is tied
Composition is as shown in Figure 1:
A kind of GPS and wireless analog signal source system, it is characterised in that described system includes: control terminal, aerogram
Number source and gps signal source；Described control terminal signal respectively is connected to radio signal source and gps signal source；Institute
State control terminal to include: control unit and data transmission unit；Described control unit signal is connected to data transmission unit；Described
Radio signal source includes: control command transmission unit, modulated signal input block, radio AD conversion unit, radio
Processing unit, radio filtering and attenuation units and radio frequency output unit；Described control command transmission unit signal is connected to nothing
Line electric treatment unit；Described radio processing unit signal is connected to radio AD conversion unit and modulated signal transmission unit；
Described radio AD conversion cell signal is connected to radio filtering and attenuation units；Described radio filtering and attenuation units letter
Number it is connected to radio frequency output unit；Described gps signal source includes: GPS processing unit, GPS end AD conversion unit, mixing list
Unit, frequency synthesis unit and GPS filtering and attenuation units；Described GPS processing unit signal be connected to GPS end AD conversion unit,
Described GPS end AD conversion cell signal is connected to mixing unit；Described mixing unit signal is connected to frequency synthesis unit；Described
Frequency synthesis cell signal is connected to GPS filtering and attenuation units.
Described data transmission unit signal the most respectively is connected to GPS processing unit and control command transmission unit, for even
Logical control terminal data communication respectively and between radio signal source and gps signal far-end；Described control unit, including:
Module, mode selection module and startup module are set；Described module is set, for arranging the setting angle of signal source, frequency；Institute
State mode selection module, need gps signal source to need for radio-signal source for selection.
Described control command transmission unit, for connecting radio signal source and the data communication controlled between terminal,
Receive from controlling the control command data that terminal sends over, control command data is sent to radio processing unit；Institute
State modulated signal transmission unit, for connecting the modulated signal transmission controlled between terminal and radio processing unit；Described nothing
Line electric treatment unit, for according to controlling the control command that sends over of terminal, carries out System self-test, frequency setting, angle set
The operation that fixed and radio frequency starts, and multiple clock signals of frequency, root needed for the crystal oscillator generation system within utilization
According to the modulated signal rate control command of host computer, generate final modulated signal；Described radio AD conversion unit, being used for will
Digitized modulated signal is converted to analogue signal, sends analogue signal to radio filtering and attenuation units；Described wireless
Electrofiltration ripple and attenuation units, for the analogue signal generated is filtered and is decayed, the signal after processing sends to radio frequency
Output unit；Described radio frequency output unit, for sending out the signal of generation.
Described GPS processing unit, for according to controlling data message and the crystal oscillator of itself that terminal sends over
Gps signal needed for generation；The gps signal generated is sent to GPS end AD conversion unit；Described GPS end AD conversion unit will
The simulation gps signal generated is converted to numeral gps signal, sends numeral gps signal to mixing unit；Described mixing unit bag
Include: frequency mixer, frequency synthesizer and crystal resonator, for the crystal oscillation signal that the digital gps signal received and crystal resonator are produced
It is mixed, the signal after mixing is sent to GPS filtering and attenuation units；Described GPS filtering and attenuation units, for mixed
Gps signal after Pin is filtered and decays.
A kind of GPS and the processing method of wireless analog signal source system, it is characterised in that described method includes following
Step:
Step 1: start and control terminal, radio signal source and gps signal source；
Step 2: select to need radio-signal source or gps signal source by mode selection module；If selection aerogram
Number source, then perform step 3, if selecting gps signal source, then performs step 7；
Step 3: control terminal and send order data through data transmission unit transmission to control command transmission unit, control command biography
Order data is sent to radio processing unit by defeated unit；
Step 4: after radio processing unit receives order data, first carries out System self-test, then sets signal source
Frequency and the angle of signal source, and start radio frequency；
Step 5: it is raw that radio processing unit carries out signal according to the data command that crystal oscillator and control terminal send over
Become；Generate the radio signal source signal modulated；Radio signal source signal is sent to radio AD conversion unit；
Step 6: through the digital-to-analogue conversion of radio AD conversion unit and radio filtering and the filtering of attenuation units and attenuation processing
After, transmission to radio frequency output unit carries out signal source output；
Step 7: control terminal and send a command to GPS processing unit；
The data command that step 8:GPS processing unit sends over according to crystal oscillator and control terminal carries out signal generation；
Generate the gps signal source signal modulated；Gps signal source signal is sent to mixing unit；
After step 10:GPS filters the filtering with attenuation units and attenuation processing, signal source output；
The navigation signal form of the VHF Omnidirection range that described radio signal source produces is:
QUOTE
;
Wherein,Represent reference phase signal amplitude,Represent azimuth,Represent 30Hz angular frequency, represent 9960Hz angle
Frequency,Represent frequency modulation index (FM index),Represent the modulation of reference phase signal,Represent carrier signal angular frequency.
The navigation signal form of the Automatic Direction Finder that described radio signal source produces is:
QUOTE
;
Wherein, E represents signal amplitude, represents constant value, and M represents that modulation index, Ω represent low-frequency modulation signal frequency, the θ side of expression
Parallactic angle, Va represents that audio modulation signal, ω c represent carrier frequency.The difference designed according to each navigation signal, low frequency signal is by whole
Times one number time carry out phase bit flipping, be equivalent to before θ be multiplied by a sign function U(t).
The present invention can adapt to multiple working frequency range and several working ways by replacing program or module；Produce multiple suitable
Gps signal source and radio-signal source for different situations.
The present invention can use large-scale F PGA simultaneously, can improve the orientation accuracy of signal source to 0.1 degree, output waveform
Frequency resolution reaches 0.01Hz, and can use high speed D/A chip, and the maximum data rate is up to 125MHz.
System structure is general, and functional realiey is flexible.Different communication systems can utilize different by relatively uniform hardware
Software realizes, and improvement and the upgrading of systemic-function are the most very convenient..
Gps signal source has been carried out together with combination again by the present invention with radio-signal source, although the cost of individual equipment carries
Rise, but applicable object is wider, lower compared with the cost individually all buying different gps signal sources and radio-signal source.
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any disclose in this manual
New feature or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (7)
1. a GPS and wireless analog signal source system, it is characterised in that described system includes: control terminal, radio
Signal source and gps signal source；Described control terminal signal respectively is connected to radio signal source and gps signal source；
Described control terminal includes: control unit and data transmission unit；Described control unit signal is connected to data transmission unit；Institute
State radio signal source to include: control command transmission unit, modulated signal input block, radio AD conversion unit, wireless
Electric treatment unit, radio filtering and attenuation units and radio frequency output unit；Described control command transmission unit signal is connected to
Radio processing unit；Described radio processing unit signal is connected to radio AD conversion unit and modulated signal transmission is single
Unit；Described radio AD conversion cell signal is connected to radio filtering and attenuation units；Described radio filtering and decay are single
Unit's signal is connected to radio frequency output unit；Described gps signal source includes: GPS processing unit, GPS end AD conversion unit, mixing
Unit, frequency synthesis unit and GPS filtering and attenuation units；Described GPS processing unit signal is connected to GPS end AD conversion list
GPS end AD conversion cell signal first, described is connected to mixing unit；Described mixing unit signal is connected to frequency synthesis unit；
Described frequency synthesis cell signal is connected to GPS filtering and attenuation units.
2. GPS as claimed in claim 1 and wireless analog signal source system, it is characterised in that the transmission of described data is single
Unit's signal the most respectively is connected to GPS processing unit and control command transmission unit, is used for connecting control terminal respectively and radio
Data communication between signal source and gps signal far-end；Described control unit, including: arrange module, mode selection module and
Start module；Described module is set, for arranging the setting angle of signal source, frequency；Described mode selection module, is used for selecting
Gps signal source is needed to need for radio-signal source.
3. GPS as claimed in claim 1 or 2 and wireless analog signal source system, it is characterised in that described control command
Transmission unit, for connecting radio signal source and the data communication controlled between terminal, receives from controlling terminal transmission
The control command data come over, sends control command data to radio processing unit；Described modulated signal transmission unit, uses
The modulated signal transmission between terminal and radio processing unit is controlled in connection；Described radio processing unit, for basis
Control the control command that terminal sends over, carry out the operation that System self-test, frequency setting, angle initialization and radio frequency start, with
And multiple clock signals of frequency needed for the crystal oscillator generation system within utilizing, according to the modulated signal data of host computer
Control command, generates final modulated signal；Described radio AD conversion unit, for being converted to digitized modulated signal
Analogue signal, sends analogue signal to radio filtering and attenuation units；Described radio filtering and attenuation units, for right
The analogue signal generated is filtered and decays, and the signal after processing sends to radio frequency output unit；The output of described radio frequency is single
Unit, for sending out the signal of generation.
4. the most described GPS and wireless analog signal source system, it is characterised in that described GPS process
Unit, the gps signal needed for the data message sended over according to control terminal and the crystal oscillator of itself generate；Will
The gps signal generated sends to GPS end AD conversion unit；The simulation gps signal conversion that described GPS end AD conversion unit will generate
For numeral gps signal, numeral gps signal is sent to mixing unit；Described mixing unit includes: frequency mixer, frequency synthesizer
And crystal resonator, for the crystal oscillation signal that the digital gps signal received and crystal resonator produce is mixed, by the letter after mixing
Number send to GPS filtering and attenuation units；Described GPS filtering and attenuation units, for being filtered the gps signal after mixing
And decay.
5. based on the GPS one of Claims 1-4 Suo Shu and a processing method for wireless analog signal source system, its
It is characterised by, said method comprising the steps of:
Step 1: start and control terminal, radio signal source and gps signal source；
Step 2: select to need radio-signal source or gps signal source by mode selection module；If selection aerogram
Number source, then perform step 3, if selecting gps signal source, then performs step 7；
Step 3: control terminal and send order data through data transmission unit transmission to control command transmission unit, control command biography
Order data is sent to radio processing unit by defeated unit；
Step 4: after radio processing unit receives order data, first carries out System self-test, then sets signal source
Frequency and the angle of signal source, and start radio frequency；
Step 5: it is raw that radio processing unit carries out signal according to the data command that crystal oscillator and control terminal send over
Become；Generate the radio signal source signal modulated；Radio signal source signal is sent to radio AD conversion unit；
Step 6: through the digital-to-analogue conversion of radio AD conversion unit and radio filtering and the filtering of attenuation units and attenuation processing
After, transmission to radio frequency output unit carries out signal source output；
Step 7: control terminal and send a command to GPS processing unit；
The data command that step 8:GPS processing unit sends over according to crystal oscillator and control terminal carries out signal generation；
Generate the gps signal source signal modulated；Gps signal source signal is sent to mixing unit；
After step 10:GPS filters the filtering with attenuation units and attenuation processing, signal source output.
6. GPS as claimed in claim 5 and the processing method of wireless analog signal source system, it is characterised in that described
The navigation signal form of the VHF Omnidirection range that radio signal source produces is:
;
Wherein,Represent reference phase signal amplitude,Represent azimuth,Represent 30Hz angular frequency, represent 9960Hz angle
Frequency,Represent frequency modulation index (FM index),Represent the modulation of reference phase signal,Represent carrier signal angular frequency.
7. GPS as claimed in claim 6 and the processing method of wireless analog signal source system, it is characterised in that described
The navigation signal form of the Automatic Direction Finder that radio signal source produces is:
;
Wherein, E represents signal amplitude, represents constant value, and M represents that modulation index, Ω represent low-frequency modulation signal frequency, the θ side of expression
Parallactic angle, Va represents that audio modulation signal, ω c represent carrier frequency；
The difference designed according to each navigation signal, low frequency signal carries out phase bit flipping by the integral multiple cycle, is equivalent to before θ be multiplied by
One sign function U(t).
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