CN104159170A - Marking and analyzing devices suitable for optical signals, as well as optical signal marking and analyzing methods - Google Patents
Marking and analyzing devices suitable for optical signals, as well as optical signal marking and analyzing methods Download PDFInfo
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- CN104159170A CN104159170A CN201410380089.9A CN201410380089A CN104159170A CN 104159170 A CN104159170 A CN 104159170A CN 201410380089 A CN201410380089 A CN 201410380089A CN 104159170 A CN104159170 A CN 104159170A
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Abstract
The invention relates to the technical field of optical communication, and discloses marking and analyzing devices suitable for an optical signals, as well as optical signal marking and analyzing methods. The marking device comprises a light source for providing an optical signal, a first optical output power distribution module used for dividing an optical signal into multiple routes of optical signals, an optical switch array module used for selectively outputting the optical signals, an optical coding array module used for coding the optical signals, an optical delayed array module used for delaying the optical signals and an optical coupling module used for coupling the optical marking signals; the analyzing device comprises a second optical output power distribution module used for dividing the optical signal into multiple routes of optical marking signals, an optical decoding array module used for decoding the optical marking signals, a photovoltaic conversion module used for converting the optical signals into electrical signals, a logic judging array module used for judging the electric level of the electrical signals and outputting logic information, and a processing module used for obtaining optical marking indicating information based on the logic information. According to the invention, optical signals can be quickly marked and analyzed.
Description
Technical field
The present invention relates to optical communication technique field, be mainly applicable to light signal mark and resolver, light signal mark and analytic method.
Background technology
Signal analytic technique based on light signal treatment technology has become the core technology of full optical switching network, and will in the full light switched communication network in future, play an increasingly important role.Packet transmission networks based on signal exchange has great advantage at aspect tools such as network performance, service quality, network costs, be solve the restrictions such as full optical switching network very flexible, network capacity and throughput are little the most effectively, the most long-range way.The full light signal treatment technology of signal is one of key technology of signal exchange, is more and more subject to common people's concern and research.Up to the present, in proposed many signal treatment technologies, can be divided into two large classes according to the channel at signal place: a class is band external labeling, another kind of is band internal labeling.For band, external labeling comprises wavelength division multiplexing (WDM) signal and subcarrier (SCM) signal; In band, signal comprises that sequential signal, quadrature modulating optical note, code division multiplexing (CDMA) signal and optical carrier suppression mode produce and separated light mark.This shows, at present signal is processed and both can have been adopted full light mode, can adopt again photoelectricity hybrid mode, but from the development trend of full optical switching network, full signal processing mode has higher researching value and practical prospect.
At present, the existing shortcoming of existing signal treatment technology is slow to signal resolution speed.
Summary of the invention
Technical problem to be solved by this invention is to provide one and is applicable to light signal mark and resolver, light signal mark and analytic method, and it has advantages of signal resolution speed fast.
For solving the problems of the technologies described above, the light signal labelling apparatus that is applicable to provided by the invention comprises:
Light source, for providing light signal;
The first luminous power distribution module, for being divided into the light signal being provided by described light source multipath light signal output;
Array of photoswitch module, for selecting output optical signal;
Light encoding array module, for encoding to light signal;
Light time delay array module, for carrying out time delay to light signal;
Optical coupler module, for being coupled to optical label signal;
Described resolver comprises:
The second luminous power distribution module, for receiving optical label signal, and is divided into the output of multi-path light marking signal by described optical label signal;
Photodissociation code array module, for decoding to the optical label signal of being exported by described the second luminous power distribution module;
Photoelectric conversion module, is converted to the signal of telecommunication for the light signal that decoding is obtained;
Logical decision array module, for the described signal of telecommunication is carried out to low and high level judgement, according to court verdict output logic information;
Processing module, for obtaining signal indication information based on described logical message.
Further, also comprise: control module, for controlling shutoff and the conducting of described array of photoswitch module optical switch, realizes by described array of photoswitch module and selects output optical signal.
Further, described smooth encoding array module, processes specifically for the phase place to described light signal and/or amplitude, realizes the time domain coding function to incident optical signal;
Described photodissociation code array module, processes specifically for the phase place to described optical label signal and/or amplitude, realizes the time solution code function to incident light marking signal.
Further, described smooth encoding array module is one group and has the periodically optical device of reflection characteristic, and described optical device be included in respectively separately on optical propagation direction, form successively Different lightwave length is had to the reflecting surface of reflection characteristic;
Described photodissociation code array module is one group and has the periodically optical device of reflection characteristic, and described optical device be included in respectively separately on optical propagation direction form successively Different lightwave length is had to the reflecting surface of reflection characteristic, the reflection characteristic of the reflecting surface of the optical device in the reflection characteristic of this reflecting surface and described smooth encoding array module is conjugate relation.
Further, described in, there is the Fiber Bragg Grating FBG that periodically optical device of reflection characteristic is superstructure.
Further, described logical decision array module, specifically for comparing the voltage of the described signal of telecommunication and preset reference voltage;
If the voltage of the described signal of telecommunication higher than or equal described preset reference voltage, be illustrated as high level, output high level logic information;
If the voltage of the described signal of telecommunication, lower than described preset reference voltage, is illustrated as low level, output low level logical message.
Further, also comprise: database, for storing low and high level logical message and corresponding route indication information;
Described processing module, specifically for by parallel receive to described low and high level logical message mate with the low and high level logical message of storing in described database, obtain corresponding route indication information, realize and obtain signal route indication information.
The light signal labeling method that is applicable to provided by the invention comprises:
The light signal being provided by light source is divided into multipath light signal;
Multipath light signal is encoded and time delay;
Select one or more light signal to carry out optical coupling;
Described analytic method comprises:
Receive the optical label signal after coupling, and described optical label signal is divided into multi-path light marking signal;
Described multi-path light marking signal is decoded;
The multipath light signal that decoding is obtained is converted to multi-channel electric signal;
According to the low and high level of described multi-channel electric signal, obtain the logical message that each signal of telecommunication represents respectively separately;
Obtain signal indication information according to the described logical message drawing.
Further, described multipath light signal is encoded, comprising: phase place and/or amplitude to described light signal are processed, realize the time domain coding function to light signal;
Described described multi-path light marking signal is decoded, comprising: phase place and/or amplitude to described optical label signal are processed, realize the time solution code function to optical label signal.
Further, also comprise: database, for storing low and high level logical message and corresponding route indication information;
Described according to the low and high level of described multi-channel electric signal, obtain the logical message that each signal of telecommunication represents respectively separately, comprising:
The voltage of described multi-channel electric signal is compared with preset reference voltage respectively separately;
If the voltage of the signal of telecommunication higher than or equal described preset reference voltage, be illustrated as high level, obtain high level logic information;
If the voltage of the signal of telecommunication, lower than described preset reference voltage, is illustrated as low level, obtain low-level logic information;
The described logical message that described basis draws obtains signal indication information, comprising:
The multidigit logical message obtaining is mated with the low and high level logical message of storing in described database, obtain corresponding route indication information, realize and obtain signal route indication information.
Beneficial effect of the present invention is:
Light signal mark and resolver, light signal mark and the analytic method of being applicable to provided by the invention, first by light encoding array module, light signal is encoded, by photodissociation code array module, optical label signal is decoded again, having realized coding and the decoding of signal carries out in full light territory completely, the capacity of processing speed and signal representative is irrelevant, can improve to a great extent the network address capacity of mark resolution speed and expansion signal representative.
Brief description of the drawings
The structural representation that is applicable to light signal labelling apparatus that Fig. 1 provides for the embodiment of the present invention;
The structural representation that is applicable to light signal resolver that Fig. 2 provides for the embodiment of the present invention;
The flow chart that is applicable to light signal labeling method that Fig. 3 provides for the embodiment of the present invention;
The flow chart that is applicable to light signal analytic method that Fig. 4 provides for the embodiment of the present invention;
The detailed structure schematic diagram that is applicable to light signal labelling apparatus that Fig. 5 provides for the embodiment of the present invention;
The be applicable to operation principle schematic diagram that light encoding array module in light signal labelling apparatus to light pulse signal encode of Fig. 6 for providing by the embodiment of the present invention;
The function relation figure that be applicable to light encoding array module in light signal labelling apparatus each reverberation wavelength light pulse signal encoded after and each reverberation between time difference of Fig. 7 for providing by the embodiment of the present invention;
The detailed structure schematic diagram that is applicable to light signal resolver that Fig. 8 provides for the embodiment of the present invention;
The be applicable to operation principle schematic diagram that photodissociation code array module in light signal resolver to light pulse signal decode of Fig. 9 for providing by the embodiment of the present invention;
The function relation figure that be applicable to photodissociation code array module in light signal labelling apparatus each reverberation wavelength light pulse signal decoded after and each reverberation between time difference of Figure 10 for providing by the embodiment of the present invention.
Embodiment
For further setting forth technological means and effect that the present invention takes for reaching predetermined goal of the invention, below in conjunction with accompanying drawing and preferred embodiment, the embodiment and the operation principle that are applicable to light signal mark and resolver, light signal mark and analytic method that propose according to the present invention are elaborated.
Referring to Fig. 1, the labelling apparatus that what the embodiment of the present invention provided be applicable in light signal mark and resolver comprises:
Light source 100, for providing light signal; In embodiments of the present invention, light source 100 can be the light source that possesses certain continuous frequency spectrum width, can be also the array of source of fixed wave length output.
The first luminous power distribution module 200, for being divided into the light signal being provided by light source 100 multipath light signal output; In embodiments of the present invention, the first luminous power distribution module 200 can be the one point of multi-path light branched power device being made into based on fiber waveguide, can be also the one point of multi-path light branched power device forming based on fused fiber splice.
Array of photoswitch module 300, for selecting output optical signal;
In embodiments of the present invention, the array of photoswitch that array of photoswitch module 300 is made up of a series of single light shutter device parallel arranged, each light shutter device can be the optical switch being made based on the material such as lithium niobate, SOA, can be also other optical modulator or optical switches with certain extinction ratio.
The step of selecting output optical signal is specifically described, and the embodiment of the present invention also comprises: control module 700, for controlling shutoff and the conducting of array of photoswitch module 300 optical switches, realizes and selects output optical signal by array of photoswitch module 300.
Light encoding array module 400, for encoding to light signal;
In embodiments of the present invention, light encoding array module 400, process specifically for the phase place to light signal and/or amplitude, realize the time domain coding function to incident optical signal, and light encoding array module 400 can be one group and have the periodically optical device of reflection characteristic, and optical device be included in respectively separately on optical propagation direction, form successively Different lightwave length is had to the reflecting surface of reflection characteristic; Preferably, having the periodically optical device of reflection characteristic can be the Fiber Bragg Grating FBG of superstructure.
Light time delay array module 500 for light signal is carried out to time delay, is separated the each smooth code signal of being exported by light encoding array module 400 in time domain, is unlikely to be aliasing in together;
In embodiments of the present invention, light time delay array module 500 is the poor optical fiber of a series of regular lengths.Wherein, when the light code signal that the length difference between each time delay optical fiber is exported by light encoding array module 400 maximum, length of field is determined.
Optical coupler module 600, for being coupled to optical label signal;
In embodiments of the present invention, optical coupler module 600 can adopt the optical signal coupling device part on the multichannel unification road being made into based on fiber waveguide, also can adopt the optical signal coupling device part on the multichannel unification road forming based on fused fiber splice.
It should be noted that, order between array of photoswitch module 300, light encoding array module 400 and light time delay array module 500 is without fixing, the multipath light signal that only need to guarantee being exported by the first luminous power distribution module 200 is encoded and time delay, and select one or more light signal wherein to carry out optical coupling by optical coupler module 600, and being not limited only to the order that arranges shown in Fig. 1, the embodiment of the present invention is not made concrete restriction to this.
Referring to Fig. 2, what the embodiment of the present invention provided be applicable to light signal resolver comprises:
The second luminous power distribution module 800, for receiving optical label signal, and is divided into the output of multi-path light marking signal by optical label signal; In embodiments of the present invention, the second luminous power distribution module 800 can be the multichannel unification road luminous power branch device being made into based on fiber waveguide, can be also the multichannel unification road luminous power branch device forming based on fused fiber splice.
Photodissociation code array module 900, for decoding to the optical label signal of being exported by the second luminous power distribution module 800;
In embodiments of the present invention, photodissociation code array module 900, processes specifically for the phase place to optical label signal and/or amplitude, realizes the time solution code function to incident light marking signal.And photodissociation code array module 900 can be one group and have the periodically optical device of reflection characteristic, and optical device be included in respectively separately on optical propagation direction form successively Different lightwave length is had to the reflecting surface of reflection characteristic, in the reflection characteristic of this reflecting surface and light encoding array module 400, the reflection characteristic of the reflecting surface of optical device is conjugate relation.Preferably, having the periodically optical device of reflection characteristic can be the Fiber Bragg Grating FBG of superstructure.
Photoelectric conversion module 1000, is converted to the signal of telecommunication for the light signal that decoding is obtained;
In embodiments of the present invention, photoelectric conversion module 1000 can be PN type photo-detector, can be also APD type photo-detector.
Logical decision array module 1100, for the signal of telecommunication is carried out to low and high level judgement, according to court verdict output logic information;
In embodiments of the present invention, logical decision array module 1100, specifically for comparing the voltage of the signal of telecommunication and preset reference voltage;
If the voltage of the signal of telecommunication higher than or equal preset reference voltage, be illustrated as high level, output high level logic information, represents with logical one;
If the voltage of the signal of telecommunication, lower than preset reference voltage, is illustrated as low level, output low level logical message, represents with logical zero.
Logical decision array module 1100 is composed in parallel by the level logic arithmetic unit of one group of routine.
Processing module 1200, obtains signal indication information for logic-based information.
In embodiments of the present invention, also comprise: database, for storing low and high level logical message and corresponding route indication information;
And processing module 1200, specifically for by parallel receive to low and high level logical message mate with the low and high level logical message of storing in database, obtain corresponding route indication information, obtain signal route indication information thereby realize.
Processing module 1200 specifically can adopt based on the embedded signal processing system such as FPGA, DSP and carry out settling signal calculation function, also can adopt universal PC main frame to realize signal and process and computing.
Referring to Fig. 3, the labeling method that what the embodiment of the present invention provided be applicable in light signal mark and analytic method comprises:
Step S110: the light signal being provided by light source is divided into multipath light signal;
This step is specifically described, can the light signal being provided by light source be divided into multipath light signal by the first luminous power distribution module 200;
Step S120: multipath light signal is encoded and time delay;
Wherein, the concrete steps that multipath light signal is encoded comprise: phase place and/or amplitude to multipath light signal are processed, and realize the time domain coding function to light signal; Preferably, can phase place and/or the amplitude to multipath light signal process by light encoding array module 400, thereby realize the time domain coding function to light signal;
The concrete steps of multipath light signal being carried out to time delay comprise: by light time delay array module 500, multipath light signal is carried out to time delay.
Step S130: select one or more light signal to carry out optical coupling;
This step is specifically described, can selects output optical signal by array of photoswitch module 300, and by optical coupler module 600, optical label signal is coupled.
Referring to Fig. 4, the analytic method that what the embodiment of the present invention provided be applicable in light signal mark and analytic method comprises:
Step S140: receive the optical label signal after coupling, and optical label signal is divided into multi-path light marking signal;
This step is specifically described, the optical label signal that can receive after coupling by the second luminous power distribution module 800, and optical label signal is divided into multi-path light marking signal.
Step S150: multi-path light marking signal is decoded;
This step is specifically described, and phase place and/or amplitude to multi-path light marking signal are processed, and realize the time solution code function to optical label signal.Preferably, can phase place and/or the amplitude to multi-path light marking signal process by photodissociation code array module 900, to realize the time solution code function to optical label signal.
Step S160: the multipath light signal that decoding is obtained is converted to multi-channel electric signal;
This step is specifically described, and the multipath light signal that can decoding be obtained by the photoelectric conversion module of one group of parallel arranged 1000 is converted to multi-channel electric signal;
Step S170: according to the low and high level of multi-channel electric signal, obtain the logical message that each signal of telecommunication represents respectively separately;
This step is specifically described, the voltage of multi-channel electric signal is compared with preset reference voltage respectively separately;
If the voltage of the signal of telecommunication higher than or equal preset reference voltage, be illustrated as high level, obtain high level logic information, represent with logical one;
If the voltage of the signal of telecommunication, lower than preset reference voltage, is illustrated as low level, obtain low-level logic information, represent with logical zero;
Preferably, can the voltage of multi-channel electric signal be compared with preset reference voltage respectively separately by logical decision array module 1100, thereby determine by the low and high level logical value of the each signal of telecommunication after opto-electronic conversion.
Step S180: obtain signal indication information according to the logical message drawing.
This step is specifically described, and the embodiment of the present invention also comprises: database, for storing low and high level logical message and corresponding route indication information;
The multidigit logical message obtaining is mated with the low and high level logical message of storing in database, obtain corresponding route indication information, realize and obtain signal route indication information.
Preferably, can the multidigit logical message obtaining be mated with the low and high level logical message of storing in database by processing module 1200, obtain signal route indication information thereby realize.
The step that the device providing by the embodiment of the present invention carries out mark and parsing to light pulse signal is as follows:
Referring to Fig. 5, light source 100 produces the wide spectrum optical pulse of certain hour width, and the light pulse producing is admitted to the first luminous power distribution module 200; The first luminous power distribution module 200 is copied into light pulse N road and is broadcast to array of photoswitch module 300; Array of photoswitch module 300 comprise parallel arranged N optical switch element 301,302,303 ... 30N, each optical switch element under the control of control module 700, be configured to turn-off or conducting state, wherein only the optical switch element in conducting state just can make light pulse by and send in light encoding array module 400.Light encoding array module 400 have the superstructure of N parallel arranged Fiber Bragg Grating FBG cell S SFBG (Super Structure Fiber Bragg Grating) 401,402,403 ... 40N composition, the Fiber Bragg Grating FBG unit of each superstructure has specific coding disposal ability to the light pulse of sending into wherein.Referring to Fig. 6, the concrete steps that light encoding array module 400 is encoded to light pulse are: enter in wide spectrum optical pulse after the Fiber Bragg Grating FBG of superstructure, the reflecting surface in the Fiber Bragg Grating FBG of superstructure is successively encountered in the light pulse of different frequency, and be reflected successively, and the time difference between the each wavelength light pulse being reflected is determined by the distance between each reflecting surface, as shown in Figure 7.Through the Fiber Bragg Grating FBG of superstructure, the delay process of different time length is carried out in the coded pulse after treatment of encoding again to each pulse by light time delay array module 500, the fiber delay line 501,502,503 of the different length that light time delay array module 500 comprises N parallel arranged ... 50N will be separated by the coded pulse of the Fiber Bragg Grating FBG of each superstructure output thereby realize in time domain.Each coded light pulses of exporting from light time delay array module 500 is coupled to same fiber channel through optical coupler module 600, thereby forms serial optical coded pulse sequence.
Referring to Fig. 8, the second luminous power distribution module 800 is copied into N part by the serial optical coded pulse sequence that enters to shine and is distributed in photodissociation code array module 900, the Fiber Bragg Grating FBG unit 901 of the superstructure that photodissociation code array module 900 comprises N parallel arranged, 902, 903, 90N, the reflection characteristic of the Fiber Bragg Grating FBG unit of the corresponding superstructure in the reflection characteristic of the Fiber Bragg Grating FBG unit of each superstructure and light encoding array module 400 is conjugate relation, as shown in Figure 9 and Figure 10, they both are reciprocal relations to the processing procedure of light pulse.Optical-electrical converter that photoelectric conversion module 1000 comprises N parallel arranged 1001,1002,1003 ... 100N, each optical-electrical converter only receives the coded pulse of the Fiber Bragg Grating FBG output of the superstructure of unique correspondence with it.Solution code optical signal is separately exported in optical-electrical converter corresponding in photoelectric conversion module 1000, to realize the conversion to the signal of telecommunication by light signal in the Fiber Bragg Grating FBG unit of the each superstructure in photodissociation code array module 900.Decision device unit that logical decision array module 1100 comprises N parallel arranged 1101,1102,1103 ... 110N, the signal of telecommunication of each optical-electrical converter output is applied on the decision device unit of unique correspondence with it.The amplitude that the signal of telecommunication receiving is adjudicated according to default decision threshold in decision device unit is 1 or 0, and court verdict is imposed on to processing module 1200 with the form of bit 1 or 0.Processing module 1200 parallel receives are from the N road parallel bit signal of N parallel judgment device output.The parallel bit signal extraction of processing module 1200 based on receiving goes out the signal indication information that it carries, and the information extracting is imposed on to the dispatching control center of the full optical switching network node at place, realize the accurate routing scheduling of switching node to packet.
What the embodiment of the present invention provided is applicable to light signal mark and resolver, light signal mark and analytic method, first by light encoding array module 400, light signal is encoded, by photodissociation code array module 900, optical label signal is decoded again, having realized coding and the decoding of signal carries out in full light territory completely, and the capacity of processing speed and signal representative is irrelevant, can improve to a great extent the network address capacity of mark resolution speed and expansion signal representative.The embodiment of the present invention can produce 2N optical label by N parallel optical encoder, has effectively met the demand of all-optical network to magnanimity signal.And because N optical encoder is simultaneously for the light pulse processing of encode, even if therefore increase the quantity of optical encoder with the signal of generation greater number, the required scramble time still can not increase, and has ensured signal speed again.In addition, because the light coding module in the embodiment of the present invention and light decoder module are all that bragg grating based on superstructure is made, once and the structure of the bragg grating of superstructure be written into will solidify constant, can do not changed by external environment again, therefore its encoding and decoding characteristic is eternal, thereby has improved the reliability of the signal parsing of the embodiment of the present invention.In addition,, in the encoding and decoding process of the embodiment of the present invention, owing to must being that a pair of bragg grating that is each other conjugated structure relation could be realized codec functions, have therefore improved the accuracy of the signal parsing of the embodiment of the present invention.In addition; the embodiment of the present invention is also carried out time delay to the optical label signal after coding; between produced signal and payload, adopting time interval protection, needn't be signal reserved extra spectrum space in transmission channel, thereby has effectively improved the utilance of light transmission channel frequency spectrum resource.The embodiment of the present invention can also be expanded later stage signal quantity, and expansion after mark resolver still can with expansion before mark resolver carry out compatibility, realize synchronous expansion and the isomery compatibility of full Optical Switch Node mark resolver, greatly increased the practicality of the embodiment of the present invention.In addition the device that, the embodiment of the present invention provides also has advantages of simple in structure and easy to use.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. be applicable to light signal mark and a resolver, it is characterized in that,
Described labelling apparatus comprises:
Light source, for providing light signal;
The first luminous power distribution module, for being divided into the light signal being provided by described light source multipath light signal output;
Array of photoswitch module, for selecting output optical signal;
Light encoding array module, for encoding to light signal;
Light time delay array module, for carrying out time delay to light signal;
Optical coupler module, for being coupled to optical label signal;
Described resolver comprises:
The second luminous power distribution module, for receiving optical label signal, and is divided into the output of multi-path light marking signal by described optical label signal;
Photodissociation code array module, for decoding to the optical label signal of being exported by described the second luminous power distribution module;
Photoelectric conversion module, is converted to the signal of telecommunication for the light signal that decoding is obtained;
Logical decision array module, for the described signal of telecommunication is carried out to low and high level judgement, according to court verdict output logic information;
Processing module, for obtaining signal indication information based on described logical message.
2. light signal mark and the resolver of being applicable to as claimed in claim 1, it is characterized in that, also comprise: control module, for controlling shutoff and the conducting of described array of photoswitch module optical switch, realizes by described array of photoswitch module and selects output optical signal.
3. light signal mark and the resolver of being applicable to as claimed in claim 1, is characterized in that, described smooth encoding array module, processes specifically for the phase place to described light signal and/or amplitude, realizes the time domain coding function to incident optical signal;
Described photodissociation code array module, processes specifically for the phase place to described optical label signal and/or amplitude, realizes the time solution code function to incident light marking signal.
4. as described in any one in claim 1-3, be applicable to light signal mark and resolver, it is characterized in that, described smooth encoding array module is one group and has the periodically optical device of reflection characteristic, and described optical device be included in respectively separately on optical propagation direction, form successively Different lightwave length is had to the reflecting surface of reflection characteristic;
Described photodissociation code array module is one group and has the periodically optical device of reflection characteristic, and described optical device be included in respectively separately on optical propagation direction form successively Different lightwave length is had to the reflecting surface of reflection characteristic, the reflection characteristic of the reflecting surface of the optical device in the reflection characteristic of this reflecting surface and described smooth encoding array module is conjugate relation.
5. light signal mark and the resolver of being applicable to as claimed in claim 4, is characterized in that, described in there is the Fiber Bragg Grating FBG that periodically optical device of reflection characteristic is superstructure.
6. light signal mark and the resolver of being applicable to as claimed in claim 1, is characterized in that, described logical decision array module, specifically for comparing the voltage of the described signal of telecommunication and preset reference voltage;
If the voltage of the described signal of telecommunication higher than or equal described preset reference voltage, be illustrated as high level, output high level logic information;
If the voltage of the described signal of telecommunication, lower than described preset reference voltage, is illustrated as low level, output low level logical message.
7. light signal mark and the resolver of being applicable to as claimed in claim 1, is characterized in that, also comprises: database, for storing low and high level logical message and corresponding route indication information;
Described processing module, specifically for by parallel receive to described low and high level logical message mate with the low and high level logical message of storing in described database, obtain corresponding route indication information, realize and obtain signal route indication information.
8. be applicable to light signal mark and an analytic method, it is characterized in that,
Described labeling method comprises:
The light signal being provided by light source is divided into multipath light signal;
Multipath light signal is encoded and time delay;
Select one or more light signal to carry out optical coupling;
Described analytic method comprises:
Receive the optical label signal after coupling, and described optical label signal is divided into multi-path light marking signal;
Described multi-path light marking signal is decoded;
The multipath light signal that decoding is obtained is converted to multi-channel electric signal;
According to the low and high level of described multi-channel electric signal, obtain the logical message that each signal of telecommunication represents respectively separately;
Obtain signal indication information according to the described logical message drawing.
9. light signal mark and the analytic method of being applicable to as claimed in claim 8, is characterized in that, described multipath light signal is encoded, and comprising: phase place and/or amplitude to described light signal are processed, and realizes the time domain coding function to light signal;
Described described multi-path light marking signal is decoded, comprising: phase place and/or amplitude to described optical label signal are processed, realize the time solution code function to optical label signal.
10. light signal mark and the analytic method of being applicable to as claimed in claim 8, is characterized in that, also comprises: database, for storing low and high level logical message and corresponding route indication information;
Described according to the low and high level of described multi-channel electric signal, obtain the logical message that each signal of telecommunication represents respectively separately, comprising:
The voltage of described multi-channel electric signal is compared with preset reference voltage respectively separately;
If the voltage of the signal of telecommunication higher than or equal described preset reference voltage, be illustrated as high level, obtain high level logic information;
If the voltage of the signal of telecommunication, lower than described preset reference voltage, is illustrated as low level, obtain low-level logic information;
The described logical message that described basis draws obtains signal indication information, comprising:
The multidigit logical message obtaining is mated with the low and high level logical message of storing in described database, obtain corresponding route indication information, realize and obtain signal route indication information.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105701475A (en) * | 2016-02-02 | 2016-06-22 | 嘿灯（深圳）智能科技有限公司 | Reality augmenting method, device and system based on optical carrier wave marks |
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| CN114285474A (en) * | 2020-09-27 | 2022-04-05 | 中国移动通信有限公司研究院 | Method and device for transmitting set top information |
| CN118138036A (en) * | 2024-05-07 | 2024-06-04 | 苏州大学 | Combined photoelectric logic gate |
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| WO2016095163A1 (en) * | 2014-12-18 | 2016-06-23 | 华为技术有限公司 | Optical switch chip, optical switch driving module, and driving method |
| CN107079203A (en) * | 2014-12-18 | 2017-08-18 | 华为技术有限公司 | Optical switch chip, photoswitch driving module and driving method |
| CN105701475A (en) * | 2016-02-02 | 2016-06-22 | 嘿灯（深圳）智能科技有限公司 | Reality augmenting method, device and system based on optical carrier wave marks |
| CN114285474A (en) * | 2020-09-27 | 2022-04-05 | 中国移动通信有限公司研究院 | Method and device for transmitting set top information |
| CN118138036A (en) * | 2024-05-07 | 2024-06-04 | 苏州大学 | Combined photoelectric logic gate |
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