CN105067127B - Information rate measuring device and method based on non-analytic signal - Google Patents
Information rate measuring device and method based on non-analytic signal Download PDFInfo
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- CN105067127B CN105067127B CN201510234044.5A CN201510234044A CN105067127B CN 105067127 B CN105067127 B CN 105067127B CN 201510234044 A CN201510234044 A CN 201510234044A CN 105067127 B CN105067127 B CN 105067127B
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Abstract
The present invention provides a kind of information rate measuring device and method based on non-analytic signal, including light source generator for issuing light wave；Front end optical system forms light beam for collimating to light wave；Non- analytic signal generation system is used to load non-analytic signal to light beam；Beam splitter is used to the light velocity for being loaded with non-analytic signal being divided into transmitted light beam and the reflected beams；Information rate measuring system is used to measure the transmitted light beam and the reflected beams of beam splitter feeding, and the data transmission that analytic signal non-in transmitted light beam and the reflected beams is propagated is to computer control and analysis system；The computer control parameter for adjusting non-analytic signal generation system corresponding to the data that analysis system is used to be transmitted according to information rate measuring system, and the data analysis meter propagated non-analytic signal in transmitted light beam and the reflected beams calculates non-analytic signal information rate in optical medium.
Description
Technical field
The present invention relates to optical communication fields, and in particular to a kind of based on the information rate measuring device of non-analytic signal and side
Method.
Background technique
With the development of society, the speed and transmission capacity requirement to information transmission are higher and higher.Traditional base
In electric signal means of communication because of its high cost, be difficult to maintenance and information transfer rate is slow and transmission capacity is limited etc.
Reason has the tendency that being replaced by optical communication technique greatly.The information carrier of optic communication is light wave, the spread speed of light wave in a vacuum
It is 301,000 metre per second (m/s)s, frequency covers very wide frequency range to ultraviolet light from infrared.Therefore, it is passed using light as carrier
It passs information and has the advantage that first, the speed of light wave transmitting is fast, and channel capacity is very big；Second, the transfer mode of light wave is cleverer
It is living, it can both be transmitted by wireless channel or by wire channel such as optical fiber, noise resisting ability is strong, and the bit error rate is low；Third,
The cost of operation and maintenance is low；4th, the good confidentiality of information transmission.Although the information transmission currently based on light wave is wide
The general every field applied to national economy, but some critical issues of the light wave for carrying signal in transmission process are also
It needs to answer.Since the information rate that the transmission speed of light wave is carried with it is not identical, so, optical signal is transmitted in different medium
Carry in the process information transmitting speed have on earth it is much, how metrical information transmitting speed, which reflects communication systems
Key Performance Indicator and our concerns.If the transmitting that light wave carries information in different media can be measured
Speed, so that it may which corresponding design optical information caches device, provides technical support to the effective routing of information.This is also avoided
Photoelectric conversion is carried out during optic communication, further promotes the efficiency of information transmitting.Existing research shows that the transmitting of information
Speed is equal with the transmission speed of non-analytic signal, that is to say, that if non-analytic signal can be obtained, by measuring non-parsing
The transmission speed of signal also can metrical information transmission speed.
However it proposes to realize the measurement light wave transmission speed of information in different media there is presently no disclosed patent
Technical solution, it is therefore necessary to develop a kind of information rate measuring device, the transmitting speed of measurement light wave information in different media
Degree.
Summary of the invention
The technical problems to be solved by the present invention are: how to measure information speed when optical signal transmits in different media
Degree.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of information rate measuring device based on non-analytic signal, the light source including forming complete optical path connection occur
Device, front end optical system, non-analytic signal generation system, beam splitter, information rate measuring system and computer control with
Analysis system；Wherein non-analytic signal generation system and information rate measuring system and computer control and analysis system phase
Even；
Light source generator is for issuing light wave；
Front end optical system forms light beam for collimating to the light wave；
Non- analytic signal generation system is used to load non-analytic signal to the light beam；
Beam splitter is used to the light velocity for being loaded with non-analytic signal being divided into transmitted light beam and the reflected beams；
Information rate measuring system is used to measure the data that non-analytic signal is propagated in the transmitted light beam and the reflected beams；
Computer control is used for the parameter according to the non-analytic signal generation system of the data point reuse, analysis with analysis system
The data and the transmission speed for calculating non-analytic signal information in optical medium.
The beneficial effect of the above-mentioned information rate measuring device based on non-analytic signal is: front end optical system collects light
Wave simultaneously collimates, and the light beam of formation enters non-analytic signal generation system and loads non-analytic signal, generates system from non-analytic signal
The outgoing beam of system is divided into transmitted light beam and the reflected beams two parts after beam splitter, and two light beams enter information rate measurement system
System carries out information rate measurement, and computer control receives the data from information rate measuring system with analysis system, corresponding to adjust
The parameter of whole non-analytic signal generation system guarantees the optimum reception of non-analytic signal, and analytical calculation software completes non-parsing
The measurement to information rate in different optical mediums is realized in the measurement of signal information rate in optical medium.
A kind of information rate measurement method based on non-analytic signal, comprising:
Issue light wave；
The light wave is collimated, light beam is formed；
Non- analytic signal is loaded to the light beam；
The light beam for being loaded with non-analytic signal is divided into transmitted light beam and the reflected beams；
Measure the data that non-analytic signal is propagated in the transmitted light beam and the reflected beams；
According to the parameter of the non-analytic signal generation system of the data point reuse, analyzes the data and calculate non-parsing letter
The transmission speed of information number in optical medium.
The beneficial effect of the above-mentioned information rate measurement method based on non-analytic signal is: being formed by collimating to light wave
Light beam load non-analytic signal after be divided into transmitted light beam and the reflected beams, pass through non-solution in test transmitted light beam and the reflected beams
It analyses the parameter for the non-analytic signal generation system of data point reuse that signal is propagated and analyzes the data and calculate non-parsing letter
The transmission speed of information number in optical medium, realizes the measurement to information rate in different optical mediums.
Detailed description of the invention
Fig. 1 is information rate measuring device schematic diagram of the embodiment of the present invention one based on non-analytic signal；
Fig. 2 is information rate measuring method flow chart of the embodiment of the present invention one based on non-analytic signal.
Label declaration:
1, light source generator；2, front end optical system；3, non-analytic signal generation system；31, chopper；32, driving electricity
Source；4, beam splitter；5, information rate measuring system；51, optical medium；52, transmitted light beam photodetector；53, reflected light
Beam photodetector；54, oscillograph；6, computer control and analysis system；61, chopper control module；62, data analysis meter
Calculate module.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: the light beam for being loaded with non-analytic signal is divided into transmitted light beam and reflected light
Beam compares the transmission data of non-analytic signal in transmitted light beam and the reflected beams, calculates information transmission speed.
Fig. 1 and Fig. 2 is please referred to,
A kind of information rate measuring device based on non-analytic signal, the light source including forming complete optical path connection occur
Device 1, front end optical system 2, non-analytic signal generation system 3, beam splitter 4, information rate measuring system 5 and computer control
System and analysis system 6；Wherein non-analytic signal generation system and information rate measuring system and computer control and analysis system
System is connected；
Light source generator 1 is for issuing light wave；
Front end optical system 2 forms light beam for collimating to the light wave；
Non- analytic signal generation system 3 is used to load non-analytic signal to the light beam；
Beam splitter 4 is used to the light velocity for being loaded with non-analytic signal being divided into transmitted light beam and the reflected beams；
Information rate measuring system 5 is used to measure the number that non-analytic signal is propagated in the transmitted light beam and the reflected beams
According to；
Computer control is used for the parameter according to the non-analytic signal generation system of the data point reuse with analysis system 6, point
It analyses the data and calculates the transmission speed of non-analytic signal information in optical medium.
As can be seen from the above description, the invention has the benefit that front end optical system 2 is collected light wave and collimates, formation
Light beam enters non-analytic signal generation system 3 and loads non-analytic signal, the outgoing beam warp from non-analytic signal generation system
It is divided into transmitted light beam and the reflected beams after beam splitter 4, information rate measuring system 5 measures non-in transmitted light beam and the reflected beams
The transmission of analytic signal, computer control calculate non-parsing according to the data of information rate measuring system with analysis system 6 and believe
The information rate number in optical medium realizes the measurement to information rate in different optical mediums.
Further, the information rate measuring system 5 include optical medium 51, it is transmitted light beam photodetector 52, anti-
Irradiating light beam photodetector 53 and oscillograph 54.
Further, the computer control and analysis system 6 include chopper control module 61 and data analysis meter
Module 62 is calculated, chopper control module 61 is used to carry out non-analytic signal generation system parameter adjustment and control；Data analysis
The calculating and storage of the completion information rate of computing module 62.
Further, the non-analytic signal generation system 3 includes chopper 31, driving power 32, chopper 31 and drive
It is electrically connected between dynamic power supply 32, chopper is controlled with computer by USB connecting line and connect with analysis system 6.
Further, the chopper 31 is placed in the rear end of front end optical system 2.
As can be seen from the above description, making non-analytic signal load from front end optical system 2 by controlling chopper 31
On collimated light beam, and pass through the parameter of computer control and the adjustment chopper of analysis system 6.
Further, the beam splitter 4 be K9 glass made of with a thickness of 1mm optical mirror slip, with come from non-parsing
The outgoing beam of signal generation system 3 is placed in 45 degree of angles.
As can be seen from the above description, after light beam is divided into the reflected beams and transmitted light beam, the power of the reflected beams and transmitted light beam
Than being about 1:99.
Further, the front end optical system 2 is by the preposition achromatism doublet lens of same optical axis and postposition colour killing
Poor double glued concavees lens compositions, the distance between the achromatism doublet lens and the double glued concavees lens of achromatism are adjustable.
Further, the light source generator 1 includes LED or laser.
A kind of information rate measurement method based on non-analytic signal, comprising:
S1, light wave is issued；
S2, light wave is collimated, forms light beam；
S3, non-analytic signal is loaded to light beam；
S4, the light velocity for being loaded with non-analytic signal is divided into transmitted light beam and the reflected beams；
The data that non-analytic signal is propagated in S5, the measurement transmitted light beam and the reflected beams；
S6, according to the parameter of the non-analytic signal generation system of the data point reuse, analyze the data and calculate non-solution
Analyse the transmission speed of signal information in optical medium.
As can be seen from the above description, by light wave is collimated the light beam to be formed load be divided into after non-analytic signal transmitted light beam and
The reflected beams, the non-analytic signal of data point reuse propagated by non-analytic signal in test transmitted light beam and the reflected beams generate system
The parameter of system simultaneously analyzes the transmission speed that the data calculate non-analytic signal information in optical medium, realizes to not
The measurement of information rate in same optical medium.
Please refer to Fig. 1, the embodiment of the present invention one are as follows:
Information rate measuring device based on non-analytic signal, the light source generator 1 connected including the complete optical path of formation,
Front end optical system 2, non-analytic signal generation system 3, beam splitter 4, information rate measuring system 5 and computer control with
Analysis system 6；Wherein non-analytic signal generation system and information rate measuring system and computer control and analysis system phase
Even；
Light source generator 1 is for issuing light wave；The light source generator 1 includes LED or laser, the optical wavelength of output
Range is visible light near infrared region；
Front end optical system 2 forms light beam for collimating to light wave；Before the front end optical system 2 is by same optical axis
The double glued concavees lens of the achromatism doublet lens and postposition achromatism set form, and the light wave from light source generator is through colour killing
Poor doublet lens converge on the double glued concavees lens of achromatism, form directional light after the double glued concavees lens collimations of achromatism
The distance between the double glued concavees lens of beam, the achromatism doublet lens and achromatism are adjustable；
Non- analytic signal generation system 3 is used to load non-analytic signal to light beam；The non-analytic signal generation system packet
Chopper 31, driving power 32 are included, is electrically connected between chopper 31 and driving power 32, chopper is by USB connecting line and calculates
Machine control is connect with analysis system 6.Chopper 31 is placed in the rear end of front end optical system 2, utilizes the rotation of 31 blade of chopper
Collimated light beam of the control from front end optical system blocks and passes through, and makes non-analytic signal load from front end optical system
Collimated light beam on.It can control the copped wave speed and chopping mode of chopper with analysis system 6 by computer control；
Beam splitter 4 is used to the light velocity for being loaded with non-analytic signal being divided into transmitted light beam and the reflected beams；The light
Beam splitter 4 is the optical mirror slip made of K9 glass with a thickness of 1mm, is in the outgoing beam from non-analytic signal generation system
45 degree of angles are placed, and the light beam for being loaded with non-analytic signal can be divided into the reflected beams and transmitted light beam, the reflected beams and transmitted light
The power ratio of beam is about 1:99；
Information rate measuring system 5 is used to measure the transmitted light beam and the reflected beams of beam splitter feeding, and by transmitted light
The data transmission that non-analytic signal is propagated in beam and the reflected beams is to computer control and analysis system 6；The information rate is surveyed
Amount system 5 includes optical medium 51, transmitted light beam photodetector 52, the reflected beams photodetector 53 and oscillograph 54,
In, optical medium 51 can be optical glass, optical crystal and the light wave transmissions medium of other types etc.；From beam splitter
4 transmitted light beam is received after optical medium by transmitted light beam photodetector 52, and the reflected beams are visited by the reflected beams photoelectricity
Survey device 53 to receive, and be respectively fed to the first passage and second channel of oscillograph 54, by oscillograph 54 obtain transmitted light beam and
The waveform of the reflected beams calculates transmitted light beam by comparing the time difference of the non-analytic signal in transmitted light beam and the reflected beams
Spread speed of the entrained non-analytic signal in optical medium, that is, information rate；
Computer control is corresponding to the data that analysis system 6 is used to be transmitted according to information rate measuring system to adjust non-parsing
The parameter of signal generation system, and the data analysis meter propagated non-analytic signal in transmitted light beam and the reflected beams calculates non-solution
Analyse signal information rate in optical medium, the described computer control and analysis system include chopper control module 61 and
Data analytical calculation module 62, and be with non-analytic signal generation system and information rate measurement respectively by USB connecting line
System connection, computer control carry out parameter to non-analytic signal generation system using chopper control module 61 with analysis system 6
Adjustment and control；Computer control receives the data from information rate measuring system with analysis system 6, passes through data analysis meter
Calculating and storage that module 62 completes information rate are calculated, the information rate measurement process based on non-analytic signal is completed.
Referring to figure 2., the embodiment of the present invention two are as follows:
Information rate measurement method based on non-analytic signal, comprising:
S1, light wave is issued；And luminous intensity is adjusted, it should ensure that information rate measuring system effectively can be received and be visited
It surveys, while guaranteeing that photodetector will not be saturated；
S2, light wave is collimated, forms light beam；
S3, non-analytic signal is loaded to light beam；Guarantee that the light beam exported through passing through a collimating system becomes planar beam, and is sent into
Non- analytic signal generation system carries out copped wave.
S4, the light velocity for being loaded with non-analytic signal is divided into transmitted light beam and the reflected beams；System is generated to non-analytic signal
The copped wave speed of chopper and the mode of copped wave are configured in system, carry out copped wave to the light beam from passing through a collimating system,
Load non-analytic signal；
The data that non-analytic signal is propagated in S5, the measurement transmitted light beam and the reflected beams；Adjustment information tachometric survey
The parameters such as the position of photodetector and gain coefficient in system, to from beam splitter the reflected beams and transmitted light beam into
Row effectively detects, and passes through the result of oscillograph observation detection；
S6, according to the parameter of the non-analytic signal generation system of the data point reuse, analyze the data and calculate non-solution
The transmission speed of signal information in optical medium is analysed, and the information rate data obtained to measurement store, completed entire
The process of measurement.
In conclusion the information rate measuring device and method provided by the invention based on non-analytic signal, light source occurs
Device issues light wave, and front end optical system collimates light wave, forms light beam, and non-analytic signal generation system loads light beam non-
The light velocity for being loaded with non-analytic signal is divided into transmitted light beam and the reflected beams, information rate measurement by analytic signal, beam splitter
The transmitted light beam and the reflected beams that systematic survey beam splitter is sent into, and analytic signal non-in transmitted light beam and the reflected beams is passed
The data transmission broadcast is controlled to computer and analysis system, and computer control is used to be measured according to information rate with analysis system is
The data of system transmission accordingly adjust the parameter of non-analytic signal generation system, and believe non-parsing in transmitted light beam and the reflected beams
Number data analysis meter propagated calculates non-analytic signal information rate in optical medium.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (8)
1. a kind of information rate measuring device based on non-analytic signal, which is characterized in that including forming complete optical path connection
Light source generator, front end optical system, non-analytic signal generation system, beam splitter, information rate measuring system and meter
The control of calculation machine and analysis system；Wherein non-analytic signal generation system and information rate measuring system and computer control and divide
Analysis system is connected；
Light source generator is for issuing light wave；
Front end optical system forms light beam for collimating to the light wave；
Non- analytic signal generation system is used to load non-analytic signal to the light beam；The non-analytic signal generation system includes
Chopper, driving power, are electrically connected between chopper and driving power, and chopper is by USB connecting line and computer control and divides
Analysis system connection；
Beam splitter is used to the light beam for being loaded with non-analytic signal being divided into transmitted light beam and the reflected beams；
Information rate measuring system is used to measure the data that non-analytic signal is propagated in the transmitted light beam and the reflected beams；
Computer control and analysis system are used for according to the parameter of the non-analytic signal generation system of the data point reuse, described in analysis
Data and the transmission speed for calculating non-analytic signal information in optical medium.
2. the information rate measuring device according to claim 1 based on non-analytic signal, which is characterized in that the information
Velocity measuring system includes optical medium, transmitted light beam photodetector, the reflected beams photodetector and oscillograph.
3. the information rate measuring device according to claim 1 based on non-analytic signal, which is characterized in that the calculating
Machine control includes chopper control module and data analytical calculation module with analysis system, and chopper control module is used for non-
Analytic signal generation system carries out parameter adjustment and control；Data analytical calculation module is used to calculate and store the transmitting speed of information
Degree.
4. the information rate measuring device according to claim 1 based on non-analytic signal, which is characterized in that the copped wave
Device is placed in the rear end of front end optical system.
5. the information rate measuring device according to claim 1 based on non-analytic signal, which is characterized in that the light point
Beam device is the optical mirror slip made of K9 glass with a thickness of 1mm, with the outgoing beam from the non-analytic signal generation system
It is placed in 45 degree of angles.
6. the information rate measuring device according to claim 1 based on non-analytic signal, which is characterized in that the front end
Optical system includes the preposition achromatism doublet lens of same optical axis and the double glued concavees lens of postposition achromatism, the achromatism
The distance between doublet lens and the double glued concavees lens of achromatism are adjustable.
7. the information rate measuring device according to claim 1 based on non-analytic signal, which is characterized in that the light source
Generator includes LED or laser.
8. a kind of information rate measurement method based on non-analytic signal characterized by comprising
Issue light wave；
The light wave is collimated, light beam is formed；
Non- analytic signal is loaded to the light beam by chopper；
The light beam for being loaded with non-analytic signal is divided into transmitted light beam and the reflected beams；
Measure the data that non-analytic signal is propagated in the transmitted light beam and the reflected beams；
According to the parameter of the non-analytic signal generation system of the data point reuse, analyzes the data and calculate non-analytic signal and exist
The transmission speed of information in optical medium.
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| US7990540B2 (en) * | 2007-09-14 | 2011-08-02 | University Of Rochester | Apparatus and methods using highly optically dispersive media |
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