CN108512571A - A kind of Frequency Hopping Signal generation device - Google Patents
A kind of Frequency Hopping Signal generation device Download PDFInfo
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- CN108512571A CN108512571A CN201810149987.1A CN201810149987A CN108512571A CN 108512571 A CN108512571 A CN 108512571A CN 201810149987 A CN201810149987 A CN 201810149987A CN 108512571 A CN108512571 A CN 108512571A
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- modulation
- frequency hopping
- signal
- frequency
- information source
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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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7136—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
The present invention provides a kind of Frequency Hopping Signal generation devices, including：Information source generation module, signal modulation module and frequency hopping modulation module；The information source generation module generates information source and is sent to the signal modulation module；The signal modulation module receives the information source, is modulated to obtain modulated signal after the information source is mixed with Wave data, and the modulated signal is sent to the frequency hopping modulation module, the signal modulation module enhances the robustness of the modulated signal；The frequency hopping modulation module receives the modulated signal, is modulated to obtain Frequency Hopping Signal after the modulated signal is mixed with synthetic waveform data, the frequency hopping modulation module enhances the encryption and robustness of the Frequency Hopping Signal.The present invention can generate different Frequency Hopping Signals as required.
Description
Technical field
The present invention relates to frequency hopping communications fields, more particularly, to a kind of Frequency Hopping Signal generation device.
Background technology
Frequency hopping communications refers to the communication mode that receiving-transmitting sides change that carrier frequency transmits information with specific rule.Control carrier wave
The pseudo noise code of frequency constantly changes according to specific frequency hopping pattern, is advised as long as receiving terminal follows identical saltus step with transmitting terminal carrier wave
Rule realizes carrier synchronization, can will transmit information and accurately be demodulated.The radio station pattern of traditional frequency hopping communications fixes, parameter
It is not easy to adjust, there are problems that can not be according to requiring flexibly to generate desired Frequency Hopping Signal.
Invention content
It solves the above problems in order to overcome the problems referred above or at least partly, the present invention provides a kind of generations of Frequency Hopping Signal
Device.
The Frequency Hopping Signal generation device, including：
Information source generation module, signal modulation module and frequency hopping modulation module；
The information source generation module generates information source and is sent to the signal modulation module；The signal modulation module receives
The information source is modulated to obtain modulated signal after being mixed the information source with Wave data, and the modulated signal is sent
To the frequency hopping modulation module, the signal modulation module enhances the robustness of the modulated signal；The frequency hopping modulation mould
Block receives the modulated signal, is modulated to obtain Frequency Hopping Signal after the modulated signal is mixed with synthetic waveform data, institute
State encryption and robustness that frequency hopping modulation module enhances the Frequency Hopping Signal.
The present invention provides a kind of Frequency Hopping Signal generation devices, by using traditional ASK modulation mode, FSK modulation side
Formula and BPSK modulation systems, and information source is modulated in conjunction with Direct Digital Frequency Synthesizers, it can generate as required different
Frequency Hopping Signal.
Description of the drawings
Fig. 1 is the basic structure schematic diagram of Frequency Hopping Signal generation device in the embodiment of the present invention；
Fig. 2 is the concrete structure schematic diagram of Frequency Hopping Signal generation device in the embodiment of the present invention；
Fig. 3 is the schematic diagram for the first Frequency Hopping Signal that Frequency Hopping Signal generation device generates in the embodiment of the present invention；
Fig. 4 is the schematic diagram for second of Frequency Hopping Signal that Frequency Hopping Signal generation device generates in the embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described, and the particular technique details hereinafter mentioned only makes reader be better understood from technical solution, not generation
Present invention is limited only by following technical details for table.
The embodiment provides a kind of Frequency Hopping Signal generation devices.It is in the embodiment of the present invention referring to Fig. 1, Fig. 1
The basic structure schematic diagram of Frequency Hopping Signal generation device, including：Information source generation module 101, signal modulation module 102 and frequency hopping tune
Molding block 103.The information source generation module 101 generates information source and is sent to the signal modulation module 102；The signal modulation
Module 102 receives the information source, is modulated to obtain modulated signal after the information source is mixed with Wave data, and by the tune
Signal processed is sent to the frequency hopping modulation module 103, and the signal modulation module 102 enhances the robust of the modulated signal
Property；The frequency hopping modulation module 103 receives the modulated signal, is carried out after the modulated signal is mixed with synthetic waveform data
Modulation obtains Frequency Hopping Signal, and the frequency hopping modulation module 103 enhances the encryption and robustness of the Frequency Hopping Signal.
It is the concrete structure schematic diagram of Frequency Hopping Signal generation device in the embodiment of the present invention referring to Fig. 2, Fig. 2, including：Information source
Generation module 201, signal modulation module 202, frequency hopping modulation module 203, control counter 204, symbol generator 205, modulation
Mode selector 206, ROM207, modulator 208, frequency control word setter 209, Direct Digital Frequency Synthesizers 210 and jump
Converting modulator 211.The control counter 204 sends control instruction, the symbol generator to the symbol generator 205
205 receive and generate symbol after the control instruction as the information source.The control counter 204 is additionally operable to adjust the symbol
Rate obtain the symbol of different rates.The digit that the control counter 204 is additionally operable to adjust the symbol obtains different positions
Several symbols, the symbol are to repeat in the period.
The modulation manner selector 206 sends modulation instructions to the ROM207, is read according to the modulation instructions
The Wave data of ROM207 storage insides；The Wave data and the modulation instructions are sent to the modulation by the ROM207
Device 208, the modulator 208 are modulated after being mixed the Wave data with the information source according to the modulation instructions, obtain
To the modulated signal.The modulation system of the modulator 208 includes：ASK modulation mode, FSK modulation mode or BPSK modulation
Mode.
Frequency control word is arranged in the frequency control word setter 209, and the frequency control word is sent to described straight
Connect digital frequency synthesizer 210；The Direct Digital Frequency Synthesizers 210 generate the composite wave according to the frequency control word
Graphic data, and by the synthetic waveform data transmission to the frequency hopping modulation device 211；The frequency hopping modulation device 211 is by the conjunction
Mixed modulated is carried out at Wave data and the modulated signal, obtains the Frequency Hopping Signal.211 device of the frequency hopping modulation includes：
Multiplier, the synthetic waveform data are multiplied by the multiplier with the modulated signal realizes mixed modulated.According to the frequency
Rate control word, the synthetic waveform data have corresponding frequency.
It is the signal for the first Frequency Hopping Signal that Frequency Hopping Signal generation device generates in the embodiment of the present invention referring to Fig. 3, Fig. 3
Figure, modulation system is ASK modulation mode, including：Code speed is symbol signal 302 and life after 20kHz sequence of symhols 301, ASK modulation
At Frequency Hopping Signal 303.Wherein, frequency-hopping carrier 2MHz, 4MHz, 8MHz and 10MHz.
It is the signal for second of Frequency Hopping Signal that Frequency Hopping Signal generation device generates in the embodiment of the present invention referring to Fig. 4, Fig. 4
Figure, modulation system is FSK modulation mode, including：Code speed is symbol signal 402 and life after 10kHz sequence of symhols 401, FSK modulation
At Frequency Hopping Signal 403.Wherein, frequency-hopping carrier 5MHz, 10MHz and 15MHz.
Comparison diagram 3 and Fig. 4 are it is found that Frequency Hopping Signal generation device using the present invention generates different frequency hopping letters really
Number.
By executing the embodiment of the present invention, all technical characteristics in the claims in the present invention are obtained for detailed explain
It states.
It is different from the prior art, the embodiment provides a kind of Frequency Hopping Signal generation devices, by using tradition
ASK modulation mode, FSK modulation mode and BPSK modulation systems, and information source is adjusted in conjunction with Direct Digital Frequency Synthesizers
System, can generate different Frequency Hopping Signals as required.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Frequency Hopping Signal generation device, which is characterized in that including：
Information source generation module, signal modulation module and frequency hopping modulation module；
The information source generation module is for generating information source and being sent to the signal modulation module；
The signal modulation module is modulated after being mixed the information source with Wave data and is adjusted for receiving the information source
Signal processed, and the modulated signal is sent to the frequency hopping modulation module；
The frequency hopping modulation module is mixed for receiving the modulated signal, by the modulated signal with synthetic waveform data laggard
Row modulation obtains Frequency Hopping Signal.
2. device as described in claim 1, which is characterized in that the information source generation module includes：
Control counter and symbol generator；
The control counter is used to send control instruction to the symbol generator, and the symbol generator receives the control
Symbol is generated after instruction as the information source.
3. device as claimed in claim 2, which is characterized in that the rate that the control instruction is additionally operable to adjust the symbol obtains
To the symbol of different rates.
4. device as described in claim 1, which is characterized in that the signal modulation module includes：
Modulation manner selector, ROM and modulator；
The modulation manner selector sends modulation instructions to the ROM, and ROM storage insides are read according to the modulation instructions
The Wave data；
The Wave data and the modulation instructions are sent to the modulator by the ROM, and the modulator is according to the tune
System instruction is modulated after being mixed the Wave data with the information source, obtains the modulated signal.
5. device as claimed in claim 4, which is characterized in that the modulation system of the modulator includes：
ASK modulation mode, FSK modulation mode or BPSK modulation systems.
6. device as described in claim 1, which is characterized in that the frequency hopping modulation module includes：
Frequency control word setter, Direct Digital Frequency Synthesizers and frequency hopping modulation device；
Frequency control word is arranged in the frequency control word setter, and the frequency control word is sent to the Direct Digital frequency
Rate synthesizer；
The Direct Digital Frequency Synthesizers generate the synthetic waveform data according to the frequency control word, and by the synthesis
Wave data is sent to the frequency hopping modulation device；
The synthetic waveform data and the modulated signal are carried out mixed modulated by the frequency hopping modulation device, obtain the frequency hopping letter
Number.
7. device as claimed in claim 6, which is characterized in that the frequency hopping modulation device includes：Multiplier, the multiplier will
The synthetic waveform data are multiplied with the modulated signal realizes mixed modulated.
8. device as claimed in claims 6 or 7, which is characterized in that according to the frequency control word, the synthetic waveform data
With corresponding frequency.
9. device as claimed in claim 2, which is characterized in that the digit that the control instruction is additionally operable to adjust the symbol obtains
To the symbol of not isotopic number.
10. the device as described in claim 3 or 9, which is characterized in that the symbol is to repeat in the period.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810149987.1A CN108512571B (en) | 2018-02-13 | 2018-02-13 | Frequency hopping signal generating device |
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|---|---|---|---|
| CN201810149987.1A CN108512571B (en) | 2018-02-13 | 2018-02-13 | Frequency hopping signal generating device |
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| CN108512571A true CN108512571A (en) | 2018-09-07 |
| CN108512571B CN108512571B (en) | 2020-05-12 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235741A (en) * | 1996-10-29 | 1999-11-17 | 诺基亚电信公司 | Method of combining several signals, and base station |
| CN101262467A (en) * | 2008-03-03 | 2008-09-10 | 清华大学 | Realization method and realization device for digital baseband frequency spreading modulation system |
| CN101414850A (en) * | 2008-12-04 | 2009-04-22 | 哈尔滨工业大学 | Method for generating and receiving multi-scale dual-quadrature straight-extend frequency-hopping mixing signal |
| CN101807089A (en) * | 2010-04-02 | 2010-08-18 | 广西大学 | Waveform signal generator with optionally adjustable output signal offset |
| CN102857254A (en) * | 2012-09-21 | 2013-01-02 | 中国航空无线电电子研究所 | Frequency hopping communication system and base band achieving method thereof |
| CN103713591A (en) * | 2012-10-09 | 2014-04-09 | 阿尔特拉公司 | Signal flow control through clock signal rate adjustments |
| CN105515639A (en) * | 2015-12-02 | 2016-04-20 | 中国工程物理研究院电子工程研究所 | Universal satellite high-speed data transmission signal timing synchronization method |
-
2018
- 2018-02-13 CN CN201810149987.1A patent/CN108512571B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235741A (en) * | 1996-10-29 | 1999-11-17 | 诺基亚电信公司 | Method of combining several signals, and base station |
| CN101262467A (en) * | 2008-03-03 | 2008-09-10 | 清华大学 | Realization method and realization device for digital baseband frequency spreading modulation system |
| CN101414850A (en) * | 2008-12-04 | 2009-04-22 | 哈尔滨工业大学 | Method for generating and receiving multi-scale dual-quadrature straight-extend frequency-hopping mixing signal |
| CN101807089A (en) * | 2010-04-02 | 2010-08-18 | 广西大学 | Waveform signal generator with optionally adjustable output signal offset |
| CN102857254A (en) * | 2012-09-21 | 2013-01-02 | 中国航空无线电电子研究所 | Frequency hopping communication system and base band achieving method thereof |
| CN103713591A (en) * | 2012-10-09 | 2014-04-09 | 阿尔特拉公司 | Signal flow control through clock signal rate adjustments |
| CN105515639A (en) * | 2015-12-02 | 2016-04-20 | 中国工程物理研究院电子工程研究所 | Universal satellite high-speed data transmission signal timing synchronization method |
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| CN108512571B (en) | 2020-05-12 |
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