CN106549688A - Short-wave radio set and its Fiber isolation method directly sampled based on short-wave radio frequency - Google Patents
Short-wave radio set and its Fiber isolation method directly sampled based on short-wave radio frequency Download PDFInfo
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- CN106549688A CN106549688A CN201611055314.7A CN201611055314A CN106549688A CN 106549688 A CN106549688 A CN 106549688A CN 201611055314 A CN201611055314 A CN 201611055314A CN 106549688 A CN106549688 A CN 106549688A
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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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
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Abstract
The invention belongs to short-wave signal processing technology field, a kind of Fiber isolation method for disclosing short-wave radio set and its directly being sampled based on short-wave radio frequency, the short-wave radio set are included with the Fiber isolation system directly sampled based on short-wave radio frequency, the system：Short-wave radio set reception antenna, low-noise amplifier, analog-digital converter, radiofrequency signal processor, the first optical-electrical converter, optical fiber, the second optical-electrical converter, core processor, digital to analog converter, controllable gain amplifier, power amplifier；Rf data is provided with the radiofrequency signal processor to optical fiber interface modular converter；The power amplifier section of short-wave radio set is attached by optical fiber with digital signal core processing part, so as to isolate the electric signal transmission path between high-power signal and digital signal core processing part, the signal interference being inherently eliminated between power amplifier and signal process part.
Description
Technical field
The invention belongs to short-wave signal processing technology field, more particularly to a kind of short-wave radio set and its straight based on short-wave radio frequency
Connect the Fiber isolation method of sampling.
Background technology
The power amplifier of short-wave radio set is usually Integral design with digital signal core processing part at present, or passes through
The signal of telecommunication is attached, and generally short-wave radio set is high power station, so as to cause in short wavelength emissions, the mould of power amplifier
Intend circuit part and be easy to the stability by cable or internal connection interference digital signal core processing partial circuit.
Prior art is mainly by various shielding measures solving above-mentioned signal interference problem, therefore prior art to numeral
The requirement of signal core processing part circuit structure is very high, and potentially affects the entirety of digital signal core processing part
Layout, so as to affect digital signal core processing part to reach optimal design.
The content of the invention
The present invention provides a kind of short-wave radio set and its Fiber isolation method directly sampled based on short-wave radio frequency, will be short
The power amplifier section in ripple radio station is attached by optical fiber with digital signal core processing part, high-power so as to isolate
Electric signal transmission path between signal and digital signal core processing part, has been inherently eliminated power amplifier and numeral
Signal interference between signal processing.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that and is achieved.
Technical scheme one：
A kind of short-wave radio set, the short-wave radio set are with the Fiber isolation system directly sampled based on short-wave radio frequency, described
System includes：Short-wave radio set reception antenna, low-noise amplifier, analog-digital converter, radiofrequency signal processor, the first opto-electronic conversion
Device, optical fiber, the second optical-electrical converter, core processor, digital to analog converter, controllable gain amplifier, power amplifier；
Rf data is provided with the radiofrequency signal processor to optical fiber interface modular converter；
The signal output part of short-wave radio set reception antenna is connected with the signal input part of low-noise amplifier, described low
The signal output part of noise amplifier is connected with the signal input part of analog-digital converter, the signal output part of the analog-digital converter
It is connected with the signal input part of radiofrequency signal processor, the radiofrequency signal processor is by the rf data to optical fiber interface
Modular converter is bi-directionally connected with first optical-electrical converter, and first optical-electrical converter passes through the optical fiber and described second
Optical-electrical converter is bi-directionally connected, and second optical-electrical converter is bi-directionally connected with the core processor, at the radiofrequency signal
Reason device signal output part be connected with the signal input part of the digital to analog converter, the signal output part of the digital to analog converter and
The signal input part connection of controllable gain amplifier, the signal output part of the controllable gain amplifier and the power amplifier
Signal input part connection, the signal output part of the signal output part of the power amplifier as short-wave radio set.
The characteristics of technical scheme one and further it is improved to：
(1) the radiofrequency signal processor is realized using FPGA.
(2) analog-digital converter is the AD9269 of 16.
(3) digital to analog converter is the AD9772A of 14.
Technical scheme two：
A kind of Fiber isolation method directly sampled based on short-wave radio frequency of short-wave radio set, is applied to described in technical scheme one
Short-wave radio set, methods described comprises the steps：
Step 1, short-wave radio set reception antenna receive short wave analog signal by shortwave wireless channel, and by the shortwave mould
Intend signal to send to low-noise amplifier；
Step 2, the low-noise amplifier are amplified to the short wave analog signal for receiving, and by after amplification
Short wave analog signal is sent to analog-digital converter；
Step 3, the analog-digital converter carry out radio frequency Direct Digital to the short wave analog signal after the amplification that receives and turn
Change, obtain rf digital signal, and the rf digital signal is sent to radiofrequency signal processor；
Step 4, the radiofrequency signal processor rf digital signal is carried out successively digital mixing, down coversion and
Automatic growth control, the digital electric signal after being mixed, and the digital electric signal after the mixing is arrived by rf data
Optical fiber interface modular converter is sent to the first optical-electrical converter；
Digital electric signal after the mixing for receiving is converted to corresponding by step 5, first optical-electrical converter
Optical signal, and the corresponding optical signal is sent to optical fiber；
The corresponding optical signal is transmitted by step 6, optical fiber, and the corresponding optical signal is sent to the second light
Electric transducer；
The described corresponding optical signal for receiving is converted to the signal of telecommunication by step 7, second optical-electrical converter, obtains institute
The digital electric signal after mixing is stated, and the digital electric signal after the mixing is sent to core processor；
Step 8, the core processor is according to the business need of its external connection to the digital electric signal after the mixing
Corresponding base band signal process is carried out, the signal of telecommunication after being processed, and the signal of telecommunication after process is sent to the second photoelectricity turn
Parallel operation；
Step 9, second optical-electrical converter are changed to the signal of telecommunication after the process, obtain corresponding light letter
Number, and send to optical fiber and be transmitted；
Step 10, first opto-electronic conversion are changed to the optical signal received from optical fiber, obtain the signal of telecommunication, and will
The signal of telecommunication is sent to radiofrequency signal processor to optical fiber interface modular converter by rf data；
Step 11, the radiofrequency signal processor carries out up-conversion successively to the signal of telecommunication for receiving and numeral is mixed
Frequently, digital radio signal is obtained, and the digital radio signal is sent to digital to analog converter；
The digital radio signal is converted to short wave analog signal by step 12, the digital to analog converter, and will be described short
Wave simulation signal is sent to controllable gain amplifier；
Step 13, the controllable gain amplifier are amplified to the short wave analog signal for receiving, and are met
The short wave analog signal of power amplifier minimum input request signal, and send it to power amplifier；
Step 14, the power amplifier to receive meet power amplifier minimum input request signal shortwave mould
Intending signal carries out power amplification, and the short wave analog signal after power amplification is carried out sending out as the output signal of short-wave radio set
Penetrate.
Technical scheme provided in an embodiment of the present invention is straight by the radio frequency that shortwave frequency range is realized in short-wave radio set device far end
Sampling is connect, then sampled data to core processor is sent by optical fiber, so that analog circuit and digital circuit are complete
Separate, on the one hand avoid interference of the excessive digital circuit to analog circuit；On the other hand the power of short-wave radio set can be put
Big device and core processor are kept completely separate, and this makes it possible to power amplifier is placed in any position of aircraft or panzer etc.
Put so that short-wave radio set can be flexibly installed according to the requirement of different type of machines/vehicle, and short-wave radio set can be avoided powerful
Between power amplifier and core processor, signal interferes.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of short-wave radio set provided in an embodiment of the present invention；
Fig. 2 is the structural representation of radiofrequency signal processor provided in an embodiment of the present invention；
Fig. 3 is a kind of Fiber isolation side directly sampled based on short-wave radio frequency of short-wave radio set provided in an embodiment of the present invention
The schematic flow sheet of method.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
A kind of short-wave radio set, the short-wave radio set is with the Fiber isolation system directly sampled based on short-wave radio frequency, such as Fig. 1
Shown, the system includes：Short-wave radio set reception antenna, low-noise amplifier (LAN), analog-digital converter (ADC), radiofrequency signal
Processor, the first optical-electrical converter, optical fiber, the second optical-electrical converter, core processor, digital to analog converter (DAC), controllable gain
Amplifier (VGA), power amplifier；
Rf data is provided with the radiofrequency signal processor to optical fiber interface modular converter；
The signal output part of short-wave radio set reception antenna is connected with the signal input part of low-noise amplifier, described low
The signal output part of noise amplifier is connected with the signal input part of analog-digital converter, the signal output part of the analog-digital converter
It is connected with the signal input part of radiofrequency signal processor, the radiofrequency signal processor is by the rf data to optical fiber interface
Modular converter is bi-directionally connected with first optical-electrical converter, and first optical-electrical converter passes through the optical fiber and described second
Optical-electrical converter is bi-directionally connected, and second optical-electrical converter is bi-directionally connected with the core processor, at the radiofrequency signal
Reason device signal output part be connected with the signal input part of the digital to analog converter, the signal output part of the digital to analog converter and
The signal input part connection of controllable gain amplifier, the signal output part of the controllable gain amplifier and the power amplifier
Signal input part connection, the signal output part of the signal output part of the power amplifier as short-wave radio set..
Further, the analog-digital converter is the AD9269 of 16.The digital to analog converter is the AD9772A of 14.
The radiofrequency signal processor is realized using FPGA.
Specifically, the structural representation of the radiofrequency signal processor provided in an embodiment of the present invention is as shown in Figure 2.
The embodiment of the present invention also provides a kind of Fiber isolation method directly sampled based on short-wave radio frequency of short-wave radio set, should
For the short-wave radio set described in above-described embodiment, as shown in figure 3, methods described comprises the steps：
Step 1, short-wave radio set reception antenna receive short wave analog signal by shortwave wireless channel, and by the shortwave mould
Intend signal to send to low-noise amplifier；
Step 2, the low-noise amplifier are amplified to the short wave analog signal for receiving, and by after amplification
Short wave analog signal is sent to analog-digital converter；
Low-noise amplifier (LAN) mainly completes the amplification of signal, sensitivity index is wanted so as to reach system
Ask.
Step 3, the analog-digital converter carry out radio frequency Direct Digital to the short wave analog signal after the amplification that receives and turn
Change, obtain rf digital signal, and the rf digital signal is sent to radiofrequency signal processor；
Specifically, the analog-digital converter is the AD9269 of 16, is that sensitivity and the big signal of hardware platform is dynamic
State scope is provided and is ensured.
Step 4, the radiofrequency signal processor rf digital signal is carried out successively digital mixing, down coversion and
Automatic growth control, the digital electric signal after being mixed, and the digital electric signal after the mixing is arrived by rf data
Optical fiber interface modular converter is sent to the first optical-electrical converter；
Specifically, the radiofrequency signal processor is based on software radio, is realized using FPGA, its work(for mainly completing
Can be short-wave radio frequency data process and rf data to optical fiber interface Data Format Transform.
Digital electric signal after the mixing for receiving is converted to corresponding by step 5, first optical-electrical converter
Optical signal, and the corresponding optical signal is sent to optical fiber；
The corresponding optical signal is transmitted by step 6, optical fiber, and the corresponding optical signal is sent to the second light
Electric transducer；
It should be noted that the embodiment of the present invention by the completely isolated signal of telecommunication of optical fibre channel in power amplifier and core
Transmission between heart processor such that it is able to interfering between power amplifier and core processor is completely eliminated.
The described corresponding optical signal for receiving is converted to the signal of telecommunication by step 7, second optical-electrical converter, obtains institute
The digital electric signal after mixing is stated, and the digital electric signal after the mixing is sent to core processor；
Step 8, the core processor is according to the business need of its external connection to the digital electric signal after the mixing
Corresponding base band signal process is carried out, the signal of telecommunication after being processed, and the signal of telecommunication after process is sent to the second photoelectricity turn
Parallel operation；
Specifically, the core processor mainly completes the Digital Signal Processing and miscellaneous service function of baseband portion
Realize.
Step 9, second optical-electrical converter are changed to the signal of telecommunication after the process, obtain corresponding light letter
Number, and send to optical fiber and be transmitted；
Step 10, first opto-electronic conversion are changed to the optical signal received from optical fiber, obtain the signal of telecommunication, and will
The signal of telecommunication is sent to radiofrequency signal processor to optical fiber interface modular converter by rf data；
Step 11, the radiofrequency signal processor carries out up-conversion successively to the signal of telecommunication for receiving and numeral is mixed
Frequently, digital radio signal is obtained, and the digital radio signal is sent to digital to analog converter；
The digital radio signal is converted to short wave analog signal by step 12, the digital to analog converter, and will be described short
Wave simulation signal is sent to controllable gain amplifier；
Specifically, the digital to analog converter is the AD9772A of 14, with higher sample rate, can complete high-performance
Digital-to-analogue conversion, form high performance short wave analog signal.
Step 13, the controllable gain amplifier are amplified to the short wave analog signal for receiving, and are met
The short wave analog signal of power amplifier minimum input request signal, and send it to power amplifier；
Specifically, variable gain amplifier (VGA) mainly completes the shortwave frequency range analogue signal of logarithm weighted-voltage D/A converter output
It is amplified, meets the requirement of the minimum input of power amplifier.
Step 14, the power amplifier to receive meet power amplifier minimum input request signal shortwave mould
Intending signal carries out power amplification, and the short wave analog signal after power amplification is carried out sending out as the output signal of short-wave radio set
Penetrate.
The power amplifier is amplified to short wave analog signal, reaches the requirement of system power.
Technical scheme provided in an embodiment of the present invention is straight by the radio frequency that shortwave frequency range is realized in short-wave radio set device far end
Sampling is connect, then sampled data to core processor is sent by optical fiber, so that analog circuit and digital circuit are complete
Separate, on the one hand avoid interference of the excessive digital circuit to analog circuit；On the other hand the power of short-wave radio set can be put
Big device and core processor are kept completely separate, and this makes it possible to power amplifier is placed in any position of aircraft or panzer etc.
Put so that short-wave radio set can be flexibly installed according to the requirement of different type of machines/vehicle, and short-wave radio set can be avoided powerful
Between power amplifier and core processor, signal interferes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (5)
1. a kind of short-wave radio set, the short-wave radio set is with the Fiber isolation system directly sampled based on short-wave radio frequency, its feature
It is that the system includes：Short-wave radio set reception antenna, low-noise amplifier, analog-digital converter, radiofrequency signal processor, the
One optical-electrical converter, optical fiber, the second optical-electrical converter, core processor, digital to analog converter, controllable gain amplifier, power are put
Big device；
Rf data is provided with the radiofrequency signal processor to optical fiber interface modular converter；
The signal output part of short-wave radio set reception antenna is connected with the signal input part of low-noise amplifier, the low noise
The signal output part of amplifier is connected with the signal input part of analog-digital converter, the signal output part of the analog-digital converter with penetrate
The signal input part connection of audio signalprocessing device, the radiofrequency signal processor are changed by the rf data to optical fiber interface
Module is bi-directionally connected with first optical-electrical converter, and first optical-electrical converter passes through the optical fiber and second photoelectricity
Transducer is bi-directionally connected, and second optical-electrical converter is bi-directionally connected with the core processor, the radiofrequency signal processor
Signal output part be connected with the signal input part of the digital to analog converter, the signal output part of the digital to analog converter with it is controllable
The signal input part connection of gain amplifier, the letter of the signal output part of the controllable gain amplifier and the power amplifier
The connection of number input, the signal output part of the signal output part of the power amplifier as short-wave radio set.
2. a kind of short-wave radio set according to claim 1, it is characterised in that the radiofrequency signal processor adopts FPGA realities
It is existing.
3. a kind of short-wave radio set according to claim 1, it is characterised in that the analog-digital converter is 16
AD9269。
4. a kind of short-wave radio set according to claim 1, it is characterised in that the digital to analog converter is 14
AD9772A。
5. a kind of Fiber isolation method directly sampled based on short-wave radio frequency of short-wave radio set, is applied to claim 1-4 such as and is appointed
Short-wave radio set described in one, it is characterised in that methods described comprises the steps：
Step 1, short-wave radio set reception antenna receive short wave analog signal by shortwave wireless channel, and the short wave analog is believed
Number send to low-noise amplifier；
Step 2, the low-noise amplifier are amplified to the short wave analog signal for receiving, and by the shortwave after amplification
Analogue signal is sent to analog-digital converter；
Step 3, the analog-digital converter carry out radio frequency Direct Digital conversion to the short wave analog signal after the amplification that receives, obtain
To rf digital signal, and the rf digital signal is sent to radiofrequency signal processor；
Step 4, the radiofrequency signal processor carry out digital mixing, down coversion and automatically successively to the rf digital signal
Gain control, the digital electric signal after being mixed, and the digital electric signal after the mixing is passed through into rf data to optical fiber
Interface modular converter is sent to the first optical-electrical converter；
Digital electric signal after the mixing for receiving is converted to corresponding light letter by step 5, first optical-electrical converter
Number, and the corresponding optical signal is sent to optical fiber；
The corresponding optical signal is transmitted by step 6, optical fiber, and the corresponding optical signal is sent to the second photoelectricity turn
Parallel operation；
The described corresponding optical signal for receiving is converted to the signal of telecommunication by step 7, second optical-electrical converter, obtains described mixed
Digital electric signal after frequency, and the digital electric signal after the mixing is sent to core processor；
Step 8, the core processor are carried out to the digital electric signal after the mixing according to the business need of its external connection
Corresponding base band signal process, the signal of telecommunication after being processed, and the signal of telecommunication after process is sent to the second optical-electrical converter；
Step 9, second optical-electrical converter are changed to the signal of telecommunication after the process, obtain corresponding optical signal, and
Send to optical fiber and be transmitted；
Step 10, first opto-electronic conversion are changed to the optical signal received from optical fiber, obtain the signal of telecommunication, and will be described
The signal of telecommunication is sent to radiofrequency signal processor to optical fiber interface modular converter by rf data；
Step 11, the radiofrequency signal processor carry out up-conversion and digital mixing successively to the signal of telecommunication for receiving,
Digital radio signal is obtained, and the digital radio signal is sent to digital to analog converter；
The digital radio signal is converted to short wave analog signal by step 12, the digital to analog converter, and by the shortwave mould
Intend signal to send to controllable gain amplifier；
Step 13, the controllable gain amplifier are amplified to the short wave analog signal for receiving, and are met power
The short wave analog signal of amplifier minimum input request signal, and send it to power amplifier；
Step 14, the power amplifier are believed to the short wave analog for meeting power amplifier minimum input request signal for receiving
Number power amplification is carried out, and the short wave analog signal after power amplification is launched as the output signal of short-wave radio set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055314.7A CN106549688A (en) | 2016-11-25 | 2016-11-25 | Short-wave radio set and its Fiber isolation method directly sampled based on short-wave radio frequency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055314.7A CN106549688A (en) | 2016-11-25 | 2016-11-25 | Short-wave radio set and its Fiber isolation method directly sampled based on short-wave radio frequency |
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Family
ID=58395378
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|---|---|---|---|
| CN201611055314.7A Pending CN106549688A (en) | 2016-11-25 | 2016-11-25 | Short-wave radio set and its Fiber isolation method directly sampled based on short-wave radio frequency |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971949A (en) * | 2019-11-25 | 2020-04-07 | 唐伯春 | Audio and video digital noise elimination system and method |
| CN112350764A (en) * | 2020-09-30 | 2021-02-09 | 军事科学院***工程研究院网络信息研究所 | Comprehensive communication system suitable for stratospheric lift-off platform |
| CN112653487A (en) * | 2020-12-23 | 2021-04-13 | 西安烽火电子科技有限责任公司 | Short wave communication radio frequency direct acquisition universal platform based on localization |
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| CN105634620A (en) * | 2016-02-29 | 2016-06-01 | 成都乐维斯科技有限公司 | Hybrid optical fiber current transformer power supply circuit applied to optical communication field |
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| CN201113984Y (en) * | 2007-09-30 | 2008-09-10 | 朱恩灿 | Short wave reception optical fiber transmission system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971949A (en) * | 2019-11-25 | 2020-04-07 | 唐伯春 | Audio and video digital noise elimination system and method |
| CN112350764A (en) * | 2020-09-30 | 2021-02-09 | 军事科学院***工程研究院网络信息研究所 | Comprehensive communication system suitable for stratospheric lift-off platform |
| CN112350764B (en) * | 2020-09-30 | 2021-09-24 | 军事科学院***工程研究院网络信息研究所 | Comprehensive communication system suitable for stratospheric lift-off platform |
| CN112653487A (en) * | 2020-12-23 | 2021-04-13 | 西安烽火电子科技有限责任公司 | Short wave communication radio frequency direct acquisition universal platform based on localization |
| CN112653487B (en) * | 2020-12-23 | 2022-07-05 | 西安烽火电子科技有限责任公司 | Short wave communication radio frequency direct acquisition universal platform based on localization |
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