CN108055076A - A kind of microwave signal detection and filter based on electric light FP chambers - Google Patents
A kind of microwave signal detection and filter based on electric light FP chambers Download PDFInfo
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- CN108055076A CN108055076A CN201711356774.8A CN201711356774A CN108055076A CN 108055076 A CN108055076 A CN 108055076A CN 201711356774 A CN201711356774 A CN 201711356774A CN 108055076 A CN108055076 A CN 108055076A
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- chambers
- electric light
- signal detection
- microwave signal
- filter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0799—Monitoring line transmitter or line receiver equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
Abstract
The present invention provides a kind of microwave signal detection based on electric light FP chambers and filters；Two fiber arrays switches of modulator rear class output series connection are connected to photodetector, and electric light FP chambers are connected between two fiber arrays switches, and electric light FP chambers are two parallel connections；Light array switch, photodetector, electric light FP chambers are electrically connected to host computer.The present invention is based on the fast response characteristics of electric light FP chambers, using single FP cavity configurations, carry out electropical scanning to frequency spectrum, realize real-time frequency detection；Using FP cavity configurations in parallel, by the independent control to single FP chambers, the reconfigurability of the whole filter response function of realization；The switching switched by fiber array, reach real-time frequency detection and the restructural filter function of fast tunable, the limitation of existing signal processing system is broken through, realizes the integrated design of microwave frequency detection and filtering, is conducive to low cost, the miniaturization of microwave photon radar.
Description
Technical field
The present invention relates to a kind of microwave signal detection based on electric light FP chambers and filters.
Background technology
Microwave signal detection and filtering method based on electric light FP chambers, can utilize photonic propulsion method, solve existing signal
The problems such as frequency-measurement accuracy present in processing system is low, response speed is slow, reconfigurability is poor, has in high frequency signals system
There is very important application.It is only to be concentrated mainly on photonic propulsion frequency measurement, microwave photon tunable filter etc. for foreign study at present
Formwork erection block, emphasis improve the performance and index of existing system.But these system structures are complicated, expensive, bulky, can not
Meet microwave photon radar low cost, small form factor requirements.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of microwave signal detection based on electric light FP chambers and filtering dresses
Put, should based on electric light FP chambers microwave signal detection and filter by mode as simple as possible can realize real-time frequency measurement with
And the restructural filter function of fast tunable.
The present invention is achieved by the following technical programs.
A kind of microwave signal detection and filter based on electric light FP chambers provided by the invention；Modulator rear class output string
Two fiber array switches of connection are connected to photodetector, and electric light FP chambers, electric light FP chambers are connected between two fiber array switches
For two parallel connections；Light array switch, photodetector, electric light FP chambers are electrically connected to host computer.
The modulator, fiber array switch, the connection between electric light FP chambers, photodetector are optical fiber connection.
The host computer is computer.
The modulator receives signal by reception antenna.
The modulator also receives the signal of laser.
The host computer is tuned by adjusting the working bias voltage of two electric light FP chambers.
The host computer realizes filtering by adjusting the voltage of wherein any one electric light FP chambers.
The electric light FP chambers are driven by scanning voltage.
The beneficial effects of the present invention are：Based on the fast response characteristic of electric light FP chambers, using single FP cavity configurations, to frequency
Spectrum carries out electropical scanning, realizes real-time frequency detection；It is real by the independent control to single FP chambers using FP cavity configurations in parallel
The now reconfigurability of whole filter response function；The switching switched by fiber array, reaches real-time frequency detection and quickly may be used
Restructural filter function is tuned, breaks through the limitation of existing signal processing system, realizes the one of microwave frequency detection and filtering
Change design, be conducive to low cost, the miniaturization of microwave photon radar.
Description of the drawings
Fig. 1 is the connection diagram of the present invention.
Specific embodiment
Be described further below technical scheme, but claimed scope be not limited to it is described.
A kind of microwave signal detection and filter based on electric light FP chambers as shown in Figure 1；Modulator rear class output string
Two fiber array switches of connection are connected to photodetector, and electric light FP chambers, electric light FP chambers are connected between two fiber array switches
For two parallel connections；Light array switch, photodetector, electric light FP chambers are electrically connected to host computer.The modulator, optical fiber array
Row switch, the connection between electric light FP chambers, photodetector are optical fiber connection.The host computer is computer.The modulation
Device receives signal by reception antenna.The modulator also receives the signal of laser.The host computer is by adjusting two electricity
The working bias voltage of light FP chambers is to tune.The host computer realizes filtering by adjusting the voltage of wherein any one electric light FP chambers.
The electric light FP chambers are driven by scanning voltage.
The present invention realizes the choosing of the working method to FP chamber arrays by the programming Control switched to fiber array as a result,
It selects.When fiber array switch passes through single channel, under single FP cavity molds formula, system can complete frequency detecting function；Optical fiber
Array switch simultaneously by two passages when, under FP cavity molds formula in parallel, system can realize tunable restructural filter function.
Microwave signal detection and filtering system based on electric light FP chambers, as shown in Figure 1, microwave signal to be measured first is loaded by modulator
Onto light wave, the base band of microwave signal and side information all send as light source at this time monochromatic sideband signals, process
The modulated optical signal of microwave enters single FP chambers or parallel connection FP chamber systems after fiber array switch selection.Single FP cavity molds
During formula, under scanning voltage driving, the transmission peaks of FP chambers can move, and be detected when transmission peaks are overlapped with the sideband signals of light
Device has response, shows to include the information of this frequency in microwave signal, and microwave letter can be obtained in scanning voltage a cycle
Number frequency content.Under FP cavity molds formula in parallel, when two FP chambers institute making alives are identical, the transmission spectrum of FP chambers is completely superposed, shape
Into a filter function, tunable filtering system can be realized by the working bias voltage for adjusting two FP chambers.When two FP chambers
During institute's making alive difference, total filter function of system is the superposition of two FP chamber filter functions, passes through the work of adjusting wherein all the way
The reconfigurability of filter function can be realized by making voltage.
Claims (8)
1. a kind of microwave signal detection and filter based on electric light FP chambers, it is characterised in that：The output series connection of modulator rear class
Two fiber array switches are connected to photodetector, are connected with electric light FP chambers between two fiber array switches, electric light FP chambers are
Two parallel connections；Light array switch, photodetector, electric light FP chambers are electrically connected to host computer.
2. the microwave signal detection based on electric light FP chambers and filter as described in claim 1, it is characterised in that：The tune
Device processed, fiber array switch, the connection between electric light FP chambers, photodetector are optical fiber connection.
3. the microwave signal detection based on electric light FP chambers and filter as described in claim 1, it is characterised in that：On described
Position machine is computer.
4. the microwave signal detection based on electric light FP chambers and filter as described in claim 1, it is characterised in that：The tune
Device processed receives signal by reception antenna.
5. the microwave signal detection based on electric light FP chambers and filter as described in claim 1, it is characterised in that：The tune
Device processed also receives the signal of laser.
6. the microwave signal detection based on electric light FP chambers and filter as described in claim 1, it is characterised in that：On described
Position machine is tuned by adjusting the working bias voltage of two electric light FP chambers.
7. the microwave signal detection based on electric light FP chambers and filter as described in claim 1, it is characterised in that：On described
Position machine realizes filtering by adjusting the voltage of wherein any one electric light FP chambers.
8. the microwave signal detection based on electric light FP chambers and filter as described in claim 1, it is characterised in that：The electricity
Light FP chambers are driven by scanning voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711356774.8A CN108055076A (en) | 2017-12-16 | 2017-12-16 | A kind of microwave signal detection and filter based on electric light FP chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711356774.8A CN108055076A (en) | 2017-12-16 | 2017-12-16 | A kind of microwave signal detection and filter based on electric light FP chambers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108055076A true CN108055076A (en) | 2018-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711356774.8A Pending CN108055076A (en) | 2017-12-16 | 2017-12-16 | A kind of microwave signal detection and filter based on electric light FP chambers |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761398A (en) * | 2018-05-31 | 2018-11-06 | 南京航空航天大学 | Microwave photon two waveband radar detection method and microwave photon two waveband radar |
| CN109507129A (en) * | 2019-01-17 | 2019-03-22 | 哈尔滨理工大学 | Spectrographic detection type gas sensor based on FP two-chamber cascade sensitizing property |
| CN109507128A (en) * | 2019-01-17 | 2019-03-22 | 哈尔滨理工大学 | Strength investigation type gas sensor based on FP interferometer parallel-connection structure and photothermal technique |
| CN109507131A (en) * | 2019-01-17 | 2019-03-22 | 哈尔滨理工大学 | The strength investigation type gas sensor in parallel and photothermal technique based on mixed interference |
| CN109687920A (en) * | 2018-12-03 | 2019-04-26 | 大连理工大学 | A kind of microwave photon RF signal monitoring device and method |
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| CN103234735A (en) * | 2013-04-19 | 2013-08-07 | 电子科技大学 | Device and method for measuring chirp parameter frequency response characteristics of electro-optic intensity modulator |
| CN105226489A (en) * | 2015-10-08 | 2016-01-06 | 南京大学（苏州）高新技术研究院 | A kind of high efficiency pumping EDWA and its implementation that can be used for space radiation environment |
| CN105391496A (en) * | 2014-08-11 | 2016-03-09 | 北京交通大学 | Adjustable ROF system device implemented based on optical comb generated by single FP laser without modulation |
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| CN101695200A (en) * | 2009-10-28 | 2010-04-14 | 于晋龙 | Optical RF up-converter system for realizing tuned frequency on basis of injecting signal light in FP-LD |
| CN103234735A (en) * | 2013-04-19 | 2013-08-07 | 电子科技大学 | Device and method for measuring chirp parameter frequency response characteristics of electro-optic intensity modulator |
| CN105391496A (en) * | 2014-08-11 | 2016-03-09 | 北京交通大学 | Adjustable ROF system device implemented based on optical comb generated by single FP laser without modulation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761398A (en) * | 2018-05-31 | 2018-11-06 | 南京航空航天大学 | Microwave photon two waveband radar detection method and microwave photon two waveband radar |
| CN109687920A (en) * | 2018-12-03 | 2019-04-26 | 大连理工大学 | A kind of microwave photon RF signal monitoring device and method |
| CN109687920B (en) * | 2018-12-03 | 2021-05-07 | 大连理工大学 | Microwave photon radio frequency signal monitoring device and method |
| CN109507129A (en) * | 2019-01-17 | 2019-03-22 | 哈尔滨理工大学 | Spectrographic detection type gas sensor based on FP two-chamber cascade sensitizing property |
| CN109507128A (en) * | 2019-01-17 | 2019-03-22 | 哈尔滨理工大学 | Strength investigation type gas sensor based on FP interferometer parallel-connection structure and photothermal technique |
| CN109507131A (en) * | 2019-01-17 | 2019-03-22 | 哈尔滨理工大学 | The strength investigation type gas sensor in parallel and photothermal technique based on mixed interference |
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Application publication date: 20180518 |
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