CN109036036A - Wave frequency decaying, red shift experimental provision and method based on Chen Shou member effect - Google Patents
Wave frequency decaying, red shift experimental provision and method based on Chen Shou member effect Download PDFInfo
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Abstract
The present invention relates to a kind of wave frequencies based on Chen Shou member effect to decay with propagation distance, the experimental provision of red shift and method, experimental provision include signal generating module, Electromagnetic Wave Propagation channel and signal detection module；The signal generating module is used to generate the electromagnetic wave of setpoint frequency, amplitude, and electromagnetic wave observes wave frequency with the decaying of propagation distance by measuring the frequency of electromagnetic wave by Electromagnetic Wave Propagation channel arriving signal detection module, signal detection module；Wherein the point position of the sound source position of signal generating module generation electromagnetic wave, Electromagnetic Wave Propagation channel and signal detection module keeps opposing stationary.
Description
Technical field
The present invention relates to teaching and scientific research instrument fields, and in particular to a kind of wave frequency based on Chen Shou member effect declines
Subtract, red shift experimental provision and method.
Background technique
The generation of electromagnetic wave, propagation, receive it is theoretical with technology by more than 100 years development progressive maturations, at present for
The reason of electromagnetic wavelength changes, people mainly think derived from Doppler effect, the i.e. wavelength of object radiation because of wave source and sight
The relative motion of survey person and generate variation, existing teaching platform be used for observe based on Doppler effect electromagnetic wavelength change
Change observation teaching platform that is highly developed, but being derived from Chen Shou member effect for electromagnetic wavelength variation, but not yet goes out
It is existing.
Chen Shou member effect refers to: electromagnetic wave is in communication process, and due to wave energy loss and diffusion, that dispersion causes energy is strong
Degree reduces.Two factor amplitudes and frequency of wave energy, decayed when signal is strong with amplitude based on, supplemented by frequency decay；Believing
When number weak, amplitude, frequency all rapid decays, the variation of frequency have driven the variation of wavelength, so electromagnetic wave is in communication process
The variation of wavelength is caused by wave energy loss.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of wave frequencies based on Chen Shou member effect to decline
Subtract, the experimental provision of red shift, can observe wave frequency with propagation distance decaying and electricity on the basis of Chen Shou member effect
The variation of magnetic wave wavelength, the i.e. Red Shift Phenomena of electromagnetic wave.
To achieve the goals above, the present invention uses following scheme:
A kind of wave frequency decay test device based on Chen Shou member effect, including signal generating module, electromagnetic wave pass
Broadcast channel and signal detection module；The signal generating module is used to generate the electromagnetic wave of setpoint frequency, amplitude, and electromagnetic wave is logical
Electromagnetic Wave Propagation channel arriving signal detection module is crossed, signal detection module observes electromagnetism by measuring the frequency of electromagnetic wave
Wave frequency rate with propagation distance decaying；Wherein signal generating module generate the sound source position of electromagnetic wave, Electromagnetic Wave Propagation channel and
The measurement point position of signal detection module keeps opposing stationary.
Further, the signal generating module includes sequentially connected signal generator and the first amplifier.
Further, the signal detection module includes sequentially connected filter, the second amplifier, phase angle integrator
And display unit, electromagnetic wave signal, will be electric using phase angle integrator by Electromagnetic Wave Propagation channel arriving signal detection module
The decaying of magnetic wave frequency is converted into the measurement of the accumulation to phase angle.
Further, follower is equipped between the front end and end in the Electromagnetic Wave Propagation channel, for improving measurement
Precision eliminates the drift of signal source own signal.
Further, there is the signal generating module wave source to adjust unit, for adjusting the generation setpoint frequency, vibration
The physical property of the electromagnetic wave of width.
Further, the wave source, which adjusts unit, has wave source power governor and wave source frequency regulator, is respectively used to
Adjust the initial power and original frequency of the electromagnetic wave.
Further, the experimental provision is located in enclosure space, and the enclosure space is based on electromagnetic wave shielding and transmission
Movement of the medium without opposite wave source, observer.
Further, the Electromagnetic Wave Propagation channel uses long range propagation medium, and the distance is more than a myriametre.
The present invention also provides another technical solutions:
It is a kind of based on Chen Shou member effect wave frequency decaying, red shift experimental method, generated using signal generating module
The electromagnetic wave of setpoint frequency, amplitude, electromagnetic wave, using measurement method is followed, detect two measuring points after the transmission of its propagation ducts
Between the faint variation of wave frequency, converted the decaying of wave frequency to phase angle using phase angle accumulation method
Accumulation measurement the variation of wavelength, as electromagnetic wave are converted wave frequency decaying to according to the relationship of frequency and wavelength
Red shift；Sound source position, Electromagnetic Wave Propagation channel and the point position that wherein signal generating module generates electromagnetic wave keep opposite
It is static.
The present invention also provides another technical solutions:
A kind of experimental provision of the electromagnetic wave red shift based on Chen Shou member effect, including signal generating module, Electromagnetic Wave Propagation
Channel and signal detection module；The signal generating module is used to generate the electromagnetic wave of setpoint frequency, amplitude, and electromagnetic wave passes through
Electromagnetic Wave Propagation channel arriving signal detection module, signal detection module are red to observe electromagnetic wave by measurement electromagnetic wavelength
It moves；Wherein signal generating module generates the measurement point of the sound source position of electromagnetic wave, Electromagnetic Wave Propagation channel and signal detection module
Position keeps opposing stationary.
Beneficial effects of the present invention:
The present invention provides a kind of wave frequency decaying, the experimental provision of red shift and method based on Chen Shou member effect,
So that giving a kind of completely new visual angle on to understanding with distance change of wave frequency and wavelength, that is, eliminating more
On the one hand general Le effect and Sai Kenike effect can make student participate in the theory study and experimental learning of Chen Shou member effect
In, it on the other hand can promote research and development of the scientific research educational circles to Chen Shou member effect.
Detailed description of the invention
Fig. 1 is a kind of exemplary embodiments schematic diagram of the invention.
Specific embodiment:
The invention will be further described with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has logical with the application person of an ordinary skill in the technical field
The identical meanings understood.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular shape
Formula be also intended to include plural form, additionally, it should be understood that, when in the present specification use term-include " and/
Or-include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As shown in Figure 1, a kind of exemplary embodiments of the invention are a kind of wave frequency based on Chen Shou member effect with biography
Broadcast the experimental provision of range attenuation, including signal generating module, Electromagnetic Wave Propagation channel and signal detection module；
Signal generating module includes sequentially connected signal generator, the first amplifier.Signal generator has wave source tune
Unit is saved, wave source adjusts unit and is divided into wave source power governor and wave source frequency regulator, and adjustable electromagnetic wave is first respectively
Beginning power and original frequency.
Signal generator generates the electromagnetic wave of certain initial power and original frequency by the first amplifier.Electromagnetic wave passes through
Electromagnetic Wave Propagation channel arriving signal detection module, signal detection module observe electromagnetic wave by measuring the frequency of electromagnetic wave
Frequency with propagation distance decaying；Signal detection module includes sequentially connected filter, the second amplifier, phase angle accumulation
Device and display unit, electromagnetic wave signal pass through Electromagnetic Wave Propagation channel arriving signal detection module, will using phase angle integrator
The decaying of wave frequency is converted into the measurement of the accumulation to phase angle.
Follower is used in the present embodiment, so that electromagnetic wave signal follows measuring technique after medium propagation, using close
Realize the detection to measurement point phase accumulation.
Signal generating module generates sound source position, Electromagnetic Wave Propagation channel and the signal detection mould of electromagnetic wave in the present embodiment
The point position of block keeps opposing stationary.Can exclude Doppler effect whereby, i.e., sound source position, measurement point position and they
Relative distance immobilize；Sai Kenike effect can be excluded simultaneously: i.e. transmission medium does not move, and excludes medium movement
Frequency is caused to change；Experimental provision is located in enclosure space simultaneously, and enclosure space is to be relatively isolated from equipment, illumination based on vibration
It is relatively isolated equipment, noise is relatively isolated from equipment and temperature relative constant device build.It can guarantee all electricity in this way
Magnetic wave source, transmission channel, measurement probe exclude wind, external vibration causes all in closing, sound insulation, shockproof space
Influence.
Since frequency is very slow with propagation distance decaying, phase angle accumulation needs the long period, needs equipment uninterrupted
Operation, and the length of medium need to reach tens of thousands of rice or even tens myriametres in the present embodiment；The complete measurement of a hertz is completed,
Need relatively long measurement.
One more embodiment of the present invention be it is a kind of based on Chen Shou member effect wave frequency decaying, red shift experimental method,
The electromagnetic wave of setpoint frequency, amplitude is generated using signal generating module, electromagnetic wave uses after Electromagnetic Wave Propagation channel transfer
The wave frequency variation for following measurement method detection measuring point is turned the decaying of wave frequency using phase angle accumulation method
The accumulation measurement to phase angle is turned to, according to the relationship of frequency and wavelength, converts wave frequency decaying to the change of wavelength
Change, the as red shift of electromagnetic wave；Wherein signal generating module generates sound source position, Electromagnetic Wave Propagation channel and the survey of electromagnetic wave
Point position keeps opposing stationary.
The concrete principle and process tested using above-described embodiment are as described below:
Existing theory thinks that wave frequency minor change is since the variation of the distance between wave source and observer causes
(for Doppler effect).The reason of variation of wave frequency provided by the invention is electromagnetic wave in communication process, due to wave
It can be lost and spread, dispersion etc., be energy intensity reduction.Two factor amplitudes and frequency of wave energy, amplitude strong in signal
Based on decaying, supplemented by frequency decay.When signal is very weak, amplitude, frequency all rapid decays.
Chen Shou member effect: fluctuation is in communication process, diffusion, dispersion, the loss of naturally occurring wave energy, so that wave energy
Loss, and the amplitude of wave is caused to reduce (the contents of the section is that existing theory is proved), frequency decay (based on Chen Shou member effect
The discovery answered), cause wavelength to increase, forms so-called red shift.
Chen Shou member is resonable to be referred to it was found that, electromagnetic wave is in communication process, and power, amplitude press distance with propagation distance
Inverse square decaying, and frequency decay is extremely slow.Using this extremely slowly varying, wavelength is allowed to carry information, it is possible to understand that red
Transposition system, this modulated signal can be propagated farther.That is, ultra-distance communication may be implemented.
Here is the theory analysis to Chen Shou member effect:
Wavelength relative variation (red shift):
λ-wavelength；Z-red shift amount, x-wave propagation distance, α-loss factor；λ0--- the wavelength of incidence end；λ---
Wave travels to the wavelength at x.C-the light velocity；ω (0) --- the angular speed of incidence end wave.During k-wave loss, frequency decay
To wave energy loss contribution factor.
We indicate wave energy loss with energy-potential function:
Assuming that fluctuation is transmitted at B from A, by ten thousand resistant effects, vibrational energy is lost.It is assumed that: 1 unit matter
The particle of amount vibrates the vibrational energy having, referred to as vibrational energy bit function, referred to as vibrates energy-potential function.Vibrational energy position at A
Function is usedIt indicates, vibration energy-potential function is used at BIt indicates, then has；
(a) in formula: E-energy field intensity overcomes universal resistance and does work.Fluctuation is transmitted to the necessary condition of B point from A point:
The energy field intensity E of A pointA:
We derive the vibration energy-potential function of wave source below:
Energy-potential function: (have energy is Q to Q energy lotus, is not take up space, is ideal point.In coordinate system r′, in site r
Generate energy-potential function:
In formula: ∈ -- Jie's energy constant of medium, ∈0Vacuum is situated between can constant.
E-energy field intensity: it can be indicated with the negative gradient of energy-potential function:
If energy charge Q has vibration by oneself by the undamped of particle and generates, vibrates along the y axis, meets cosine manner:
Y=A cos (ω t+ θ) (1.3)
In formula: A-is amplitude；ω-angular velocity of vibration.
The speed of particle vibration:
The acceleration of particle vibration:
The vibrational energy of particle:
The vibrational energy of unit particle is known as vibrating energy-potential function:
(1.6) and (1.7) formula shows the vibrational energy E of particleK, vibration energy-potential function it is directly proportional to the frequency square of vibration.
Here dynamo theory is introduced:
Generator once completes, its rotor size, and the area S of rotor is fixed value, generator magnetic field
Magnetic induction density B is substantially fixed value.It is exactly a fixed value by the maximum flux of rotor:
When rotor rotates, the magnetic flux by it is by varies with cosine:
According to Faraday's electromagnetic induction law: induced electromotive force
(1.10) formula shows that induced electromotive force is directly proportional to the revolving speed square of generator
The instantaneous real power that generator provides:
Known to dynamo theory ((1.11) formula): square of the revolving speed (frequency) of power and generator that generator provides
It is directly proportional.
It continues with and introduces the electromagnetism wave energy that Electric Dipole generates:
Vibrate electric dipole moment:
The electric field that generates at a distance, magnetic field:
(1.13), (1.14) formula shows that Electric Dipole generates electric field, magnetic field strength and frequency of oscillation square at a distance
It is directly proportional.
Energy-flux density: Poynting vector S
(1.15) formula shows that the energy-flux density of electric dipole radiated electromagnetic wave is directly proportional to dipole frequency of oscillation biquadratic.
Next, we study the energy-potential function of fluctuation:
Fluctuation is the propagation of vibrational state, phase propagation.The energy of vibration source is transmitted outward with velocity of wave.It is assumed that each in medium
Mass-element is associated each other by elastic force, vibrates along the y axis, propagates along X axis.
The general expression of wave function:
Y (x, t)=A (x) cos (ω (x) t-kx) (2.1)
(2.1) in formula: A (x) -- the amplitude of wave is usually decayed with propagation distance, is the function of X.ω (x) angular speed,
It is now recognized that it does not change with propagation distance, it is invariant.But the analysis of front, focused energy are directly proportional to frequency square.
Energy is to consume, and is scattered.Energy scattering spatially, performance occupy more large area or bigger volumetric spaces, make wavelength
It is elongated.In the time domain, energy, which scatters, means to occupy more periods, and the period of vibration is made to have extended trend.
The speed that each particle is vibrated along Y-direction in wave function:
The energy-potential function of wave function
(2.3) formula shows that the energy-potential function of fluctuation is directly proportional to the frequency square of fluctuation.
It is right in a wave-length coverageMean value is taken, because of A (x), ω (x) changes very in a wave-length coverage
It is small, it is believed that be temporary steady-state value.Mean value is only to sin2(ω (x) t--k x) is carried out, and fluctuates energy-potential functionMean value
Are as follows:
It is assumed that the power that wave function is propagated in channel medium is directly proportional to energy-potential function.Under general conditions, power P
Change with distance X, can be represented by the formula
P (x)=p (0) e-αx (2.5)
In formula, α is loss factor, and p (0) is incident power at channel incidence end x=0, and p (x) is output work at channel X
Rate.
According to above it is assumed that wave function is transmitted in channel, energy-potential function is influenced and is decayed by being lost, if length
For X channel medium, incidence end x0Vibrate energy-potential functionAccording to formula (2.5) formula, output end x vibrates energy-potential function
(2.4) formula is brought into (2.6) formula, is obtained:
A2(x)ω2(x)=A2(0)ω2(0)e-αx (2.7)
To (2.7) formula both sides evolution, obtain:
It discusses to (2.8) formula:
If frequency is constant one, in signals transmission, it may be assumed that
ω (x)=ω (0)
Then have:
Wave function: the amplitude A (x) of Y (x, t)=A (x) cos (ω (x) t-kx) decays with distance x by (2.9) formula.
If amplitude preservation is constant two, in signals transmission, it may be assumed that
A (x)=A (0)
Then have:
Wave function: the frequencies omega (x) of Y (x, t)=A (x) cos (ω (x) t-kx) decays with distance x by (2.10) formula.Frequently
Rate reduces, and wavelength is elongated, forms channel red shift.
Three, A (x), ω (x) share the attenuation of signal jointly:
Four,
If signal amplitude presses (2.13) formula rapid decay, in the energy accumulation to frequency of signal.Then there is ω (x) > ω (0)
Five,
If signal frequency presses (2.14) formula rapid decay, in the energy accumulation to amplitude of signal.Then there is A (x) > A (0)
Six, more general case, A (x), ω (x) rate of decay: from
It arrivesBetween change.
It can be obtained according to the shannon formula of channel: the shannon formula of channel capacity:
C--- channel capacity in above formula；
W--- frequency bandwidth
--- the ratio of signal and noise
Illustrated by formula (3.1): carrier frequency is higher, and channel capacity is bigger, and the ability for carrying signal is stronger.
It is assumed that Electromagnetic Wave Propagation direction, along Z axis, electric field is only vibrated along X axis, and magnetic field strength is only vibrated along the y axis.
The electric field of its plane electromagnetic wave, magnetic field expression formula:
HY(z, t)=H (z) cos (ω t-kz) (3.2)
EX(z, t)=E (z) cos (ω t-kz) (3.3)
Faraday's electromagnetic induction law:
Total induced electromotive force is usedIt indicates, unit area induced electromotive force is usedIt indicates.
Curl represents the circular rector of unit area, and the curl of electric field strength is exactly the induced electromotive force of unit area
(3.2) formula is updated in (3.4), then is had:
(3.5) formula shows when the changes of magnetic field of Z, in the induced electromotive force that point induction generates.
The electrical power p (z, t) that unit area induced electromotive force generates:
(3.6) in formula, the real part of R-wave impedance.
The mean value p (z) of electrical power p (z, t):
Under general conditions, power P changes with distance z, can be represented by the formula
P (z)=p (0) e-αz (3.8)
In formula, α is loss factor, and p (0) is incident power at channel incidence end z=0, and p (z) is output work at channel z
Rate.(3.7) formula is brought into (3.8) formula, is obtained:
To (3.9) formula both sides evolution, obtain:
It discusses to (3.10) formula
(1) if during electromagnetic transmission, frequency is constant, it may be assumed that
ω (x)=ω (0)
Then have:
The variation of its plane electromagnetic wave is that amplitude is decayed:
(3.12), (3.13) formula and current theory are consistent.It duplicates in amplitude modulation broadcasting.
(2) if during electromagnetic transmission, amplitude preservation is constant, it may be assumed that
H (z)=H (0)；E (z)=E (0) (3.14)
The electromagnetic energy of electromagnetic wave loss, only frequency reduce, and vibration can be reduced.Then have:
Electric field strength, the magnetic field strength decaying expression formula of electromagnetic wave:
K-wave number.
(3.18) are substituted into (3.16), (3.17), are obtained:
The variation of wavelength:
(3.21) formula, when electromagnetic wave amplitude is constant, energy loss only has vibration frequency offer, and electromagnetic wave is in communication process
In, wavelength is elongated, frequencies go lower, channel Red Shift Phenomena occurs.
(3.22) formula λ0- transmitting terminal wavelength, λ-output end, receiving end wavelength.
The present embodiment generates the electromagnetic wave of different frequency by signal generating module, and inspection is reached after long range propagation medium
Module is surveyed, the distance specifically can choose coaxial cable as transmission medium at least more than a myriametre.Pass through detection
Module filters, compares, amplifying, after phase angle accumulation processing, can will be converted into phase to the measurement that wave frequency is decayed
The measurement of angle accumulation, specific measuring point can be in several signal measurement points of the selection on long range propagation medium, each measurement
The position of point is different, using the measuring technique closely followed between each measurement point, obtains electromagnetic wave signal wave frequency
Pad value.
One more embodiment of the present invention is a kind of experimental provision of electromagnetic wave red shift based on Chen Shou member effect, including signal
Module, Electromagnetic Wave Propagation channel and signal detection module occurs；The signal generating module is for generating setpoint frequency, amplitude
Electromagnetic wave, for electromagnetic wave by Electromagnetic Wave Propagation channel arriving signal detection module, signal detection module passes through measurement electromagnetic wave
Wavelength observes electromagnetic wave red shift；Wherein signal generating module generates sound source position, Electromagnetic Wave Propagation channel and the letter of electromagnetic wave
The point position of number detection module keeps opposing stationary.
The signal detection module includes that sequentially connected filter, the second amplifier, phase angle integrator and display are single
Member, electromagnetic wave signal is by Electromagnetic Wave Propagation channel arriving signal detection module, using phase angle integrator by wave frequency
Decaying be converted into the accumulation to phase angle measurement.
The present embodiment is with examples detailed above difference, can be according to frequency after measurement obtains the variation of wave frequency
With the relationship of wavelength, frequency measurement of the electromagnetic wave after the transmission of long range medium is converted into wavelength change, is thus obtained
Wavelength relative variation-red shift amount.Specifically, needing on the basis of the above embodiments, to add in signal detection module
Wave frequency converts computing unit.
Using above-described embodiment in carrying out experimentation, the assembling of each module is carried out according to experiment purpose first, then
Performance adjustment is carried out again.After debugging, lack of foundation and defect, each module reparation there are the problem of, then carry out system survey
Examination guarantees that each and every one link is all tested in the state of good operation, has also entered measuring phases.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any
Modification, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of wave frequency decay test device based on Chen Shou member effect, which is characterized in that including signal generating module,
Electromagnetic Wave Propagation channel and signal detection module；The signal generating module is used to generate the electromagnetic wave of setpoint frequency, amplitude, electricity
Magnetic wave is observed by Electromagnetic Wave Propagation channel arriving signal detection module, signal detection module by measuring the frequency of electromagnetic wave
Wave frequency with propagation distance decaying；Wherein it is logical to generate the sound source position of electromagnetic wave, Electromagnetic Wave Propagation for signal generating module
The measurement point position of road and signal detection module keeps opposing stationary.
2. experimental provision according to claim 1, it is characterised in that: the signal generating module includes sequentially connected letter
Number generator and the first amplifier.
3. experimental provision according to claim 1, it is characterised in that: the signal detection module includes sequentially connected filter
Wave device, the second amplifier, phase angle integrator and display unit, electromagnetic wave signal are examined by Electromagnetic Wave Propagation channel arriving signal
Module is surveyed, the measurement of the accumulation to phase angle is converted for the decaying of wave frequency using phase angle integrator.
4. experimental provision according to claim 1, it is characterised in that: in the front end and end in the Electromagnetic Wave Propagation channel
Between be equipped with follower, for improving measurement accuracy, eliminate the drift of signal source own signal.
5. experimental provision according to claim 1, it is characterised in that: it is single that there is the signal generating module wave source to adjust
Member, the physical property of the electromagnetic wave for adjusting the generation setpoint frequency, amplitude.
6. experimental provision according to claim 5, it is characterised in that: the wave source, which adjusts unit, has wave source power regulation
Device and wave source frequency regulator are respectively used to adjust the initial power and original frequency of the electromagnetic wave.
7. experimental provision according to claim 1, it is characterised in that: the light wave propagation channel is using propagation matchmaker over long distances
Matter, the distance is more than a myriametre.
8. experimental provision according to claim 1, it is characterised in that: the experimental provision is located in enclosure space, described
Movement of the enclosure space based on electromagnetic wave shielding and transmission medium without opposite wave source, observer.
9. a kind of wave frequency decaying based on Chen Shou member effect, red shift experimental method, are set using signal generating module generation
Determine the electromagnetic wave of frequency, amplitude, electromagnetic wave is after the transmission of its propagation ducts, using measurement method is followed, detect two measuring points it
Between the faint variation of wave frequency, the product to phase angle is converted for the decaying of wave frequency using phase angle accumulation method
Tired measurement converts wave frequency decaying to the variation of wavelength, as electromagnetic wave is red according to the relationship of frequency and wavelength
It moves；Sound source position, Electromagnetic Wave Propagation channel and the point position that wherein signal generating module generates electromagnetic wave keep opposing stationary.
10. a kind of electromagnetic wave red shift experimental provision based on Chen Shou member effect, which is characterized in that including signal generating module, electricity
Electromagnetic wave propagation channel and signal detection module；The signal generating module is used to generate the electromagnetic wave of setpoint frequency, amplitude, electromagnetism
Wave observes electromagnetism by measurement electromagnetic wavelength by Electromagnetic Wave Propagation channel arriving signal detection module, signal detection module
Wave red shift；Wherein signal generating module generates the survey of the sound source position, Electromagnetic Wave Propagation channel and signal detection module of electromagnetic wave
Amount point position keeps opposing stationary.
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