CN114143153A - Intensity-programmable-modulation radiation communication system and method - Google Patents
Intensity-programmable-modulation radiation communication system and method Download PDFInfo
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- CN114143153A CN114143153A CN202111423504.0A CN202111423504A CN114143153A CN 114143153 A CN114143153 A CN 114143153A CN 202111423504 A CN202111423504 A CN 202111423504A CN 114143153 A CN114143153 A CN 114143153A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0018—Arrangements at the transmitter end
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Abstract
The invention discloses a radiation communication system and a method with intensity encoding modulation, wherein the system comprises an information source, a modulation system, a detector and a demodulation system which are arranged in sequence along the signal transmission direction; the information source is used for converting the information signal into an initial electric signal and sending the initial electric signal to the modulation system; the modulation system is used for controlling the modulation device to perform mechanical motion to modulate the gamma rays by combining with the coding rule after receiving the initial electric signal transmitted by the information source, so that the adjustable intensity of the gamma rays is realized; loading initial electrical signal information onto a gamma ray signal; the detector is used for detecting the gamma-ray signal, generating a corresponding output electric signal and transmitting the output electric signal to the demodulation system; and the demodulation system is used for demodulating the received output electric signal according to the decoding rule to obtain a demodulated information signal. The invention realizes the adjustment of the gamma ray intensity, and improves the information transmission rate by improving the information transmission amount of a single code element under the condition of unchanging the code element transmission rate.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a radiation communication system and a radiation communication method capable of coding and modulating intensity.
Background
Gamma-ray communication is a communication mode in which gamma-ray photons are used as carrier signals to transmit information. The gamma ray has strong penetrating power and high energy, is electromagnetic wave with wavelength shorter than 0.01 angstrom and frequency higher than 1.5 kilo hundred million hertz, and has very important significance for realizing communication in electromagnetic shielding environment due to extremely high penetrating power.
The conventional electromagnetic wave modulation method is not suitable for the modulation of gamma rays. In the prior art, the modulation of the gamma ray is only available in a mechanical mode at present, and the practical significance of exploring a method capable of efficiently and conveniently modulating the gamma ray by utilizing the mechanical mode is realized.
Disclosure of Invention
The invention aims to provide a radiation communication system and a radiation communication method capable of realizing intensity coding modulation, which can simplify a modulation mechanical structure as much as possible to realize high-efficiency modulation on the basis of realizing the requirement of gamma-ray communication modulation.
The invention is realized by the following technical scheme:
in a first aspect, the present invention provides an intensity-programmable-modulation radiation communication system, which includes an information source, a modulation system, a detector, and a demodulation system, which are sequentially arranged along a signal transmission direction;
the information source is used for converting information signals such as sound, images and the like into initial electric signals and sending the initial electric signals to the modulation system;
the modulation system is used for controlling the modulation device to perform mechanical motion to modulate the gamma rays by combining with a coding rule after receiving the initial electric signal transmitted by the information source, so as to realize the modulation coding of the intensity of the gamma rays; encoding initial electric signal information and loading the encoded initial electric signal information on a gamma ray signal;
the detector is used for detecting the gamma-ray signal with the coded information, generating a corresponding output electric signal with the coded information and transmitting the output electric signal to the demodulation system;
and the demodulation system is used for demodulating the received output electric signal according to the decoding rule to obtain a demodulated information signal.
The working principle is as follows: the traditional electromagnetic wave modulation method is not suitable for modulation by adopting gamma ray communication, and has the problem that intensity modulation coding cannot be realized. The invention designs a radiation communication system with intensity encoding modulation, which comprises an information source, a modulation system, a detector and a demodulation system which are sequentially arranged along a signal transmission direction, and is characterized in that the modulation system is designed, after receiving an initial electric signal transmitted by the information source, the modulation system controls a modulation device to perform mechanical motion by combining with an encoding rule to modulate gamma rays, so that the modulation and the encoding of the gamma ray intensity are realized; the initial electric signal information is loaded on the gamma ray signal after being coded; and then the detector detects the gamma-ray signal to generate a corresponding output electric signal and transmits the output electric signal to the demodulation system, and the demodulation system demodulates the received output electric signal according to the decoding rule to obtain a demodulated information signal. The invention solves the problem that the traditional electromagnetic wave modulation method is not suitable for modulation adopting gamma ray communication and realizes the adjustable gamma ray intensity.
Further, the modulation device comprises a modulation block which can rotate around an axis, the modulation block is arranged on a gamma-ray transmission path, and gamma-rays pass through the modulation block to control the intensity of the gamma-rays to be changed.
Furthermore, the modulation block is provided with M mark positions, M is more than or equal to 2, and M is a natural number; the modulation system controls the modulation block to be at different mark positions, so that the thickness of a material through which the gamma rays need to penetrate is changed, and the gamma rays are modulated in a mode of changing the intensity of the gamma rays.
Further, the modulation block performs position switching at a plurality of mark positions in a rotating mode, and when the modulation block is at different mark positions, the gamma-ray signal intensity detected by the detector is different.
Furthermore, each mark position corresponds to a code element, M-system coding is adopted for modulation, and the single code element transmits information quantity I log2M (b), the code element transmission rate is R (B), then the transmission rate of the information signal is r ═ Rlog2M (b/s). Therefore, under the condition that the transmission rate of a single code element is not changed, the invention provides a plurality of mark positions corresponding to different code elements by increasing the mark positions, thereby improving the transmission information amount of the single code element and further improving the information transmission rate.
Further, the gamma ray is generated by a gamma source, and the modulation block is disposed between the gamma source and the detector.
Further, the system also comprises an information receiving end, wherein the information receiving end is used for receiving the demodulated information signal so as to complete the communication process.
In a second aspect, the present invention provides an intensity-programmable modulated radiation communication method, which is applied to the intensity-programmable modulated radiation communication system, and the method includes:
converting information signals such as sound and images into initial electric signals;
controlling a modulation device to perform mechanical motion to modulate gamma rays according to the initial electric signals by combining with a coding rule, realizing modulation coding of gamma ray intensity, and loading electric signal information to gamma ray signals;
detecting the gamma-ray signal with the coded information and generating a corresponding output electric signal with the coded information;
and demodulating the output electric signal according to a decoding rule to obtain a demodulated information signal.
Furthermore, the modulation device is controlled by combining the coding rule to perform mechanical motion to modulate the gamma rays, so that the modulation coding of the intensity of the gamma rays is realized; the method specifically comprises the following steps:
the gamma-ray passes through a modulation block which is arranged on a gamma-ray transmission path and can rotate around an axis, and the intensity of the gamma-ray is controlled to change; wherein: the modulation block is provided with M mark positions, M is more than or equal to 2, and M is a natural number; the gamma rays are modulated by controlling the modulation block to be positioned at different mark positions, so that the thickness of a material which needs to be penetrated by the gamma rays is changed, and the intensity of the gamma rays is further changed.
Furthermore, each mark position corresponds to a code element, M-system coding is adopted for modulation, and the single code element transmits information quantity I log2M (b), the code element transmission rate is R (B), then the transmission rate of the information signal is r ═ Rlog2M(b/s)。
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a radiation communication system and a method with intensity encoding modulation, wherein the system comprises an information source, a modulation system, a detector and a demodulation system which are sequentially arranged along a signal transmission direction, and the key point is the design of the modulation system; the initial electric signal information is loaded on the gamma ray signal after being coded; and then the detector detects the gamma-ray signal to generate a corresponding output electric signal and transmits the output electric signal to the demodulation system, and the demodulation system demodulates the received output electric signal according to the decoding rule to obtain a demodulated information signal. The invention solves the problem that the traditional electromagnetic wave modulation method is not suitable for modulation adopting gamma ray communication and realizes the adjustable gamma ray intensity.
2. The invention relates to a radiation communication system and a radiation communication method capable of coding and modulating intensity, which can realize gamma ray modulation and simplify a mechanical structure by arranging a plurality of mark positions and switching the mark positions in a rotating mode. Under the condition that the code element transmission rate is not changed, the invention provides a plurality of mark positions corresponding to different code elements, improves the transmission information amount of a single code element and is beneficial to improving the information transmission rate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of an exemplary communication system with intensity-programmable modulation.
FIG. 2 is a modulation scheme of a modulation system of an intensity-programmable-modulation-based radiocommunication system according to the present invention.
Reference numbers and corresponding part names:
1-gamma source, 2-modulation block, 3-detector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1, the radiation communication system with intensity encoding modulation of the present invention includes an information source, a modulation system, a detector, a demodulation system and an information receiving end, which are sequentially arranged along a signal transmission direction;
the information source is used for converting information signals such as sound, images and the like into initial electric signals and sending the initial electric signals to the modulation system;
the modulation system is used for controlling the modulation device to perform mechanical motion to modulate the gamma rays by combining with a coding rule after receiving the initial electric signal transmitted by the information source, so as to realize the modulation coding of the intensity of the gamma rays; encoding initial electric signal information and loading the encoded initial electric signal information on a gamma ray signal;
the detector is used for detecting the gamma-ray signal with the coded information, generating a corresponding output electric signal with the coded information and transmitting the output electric signal to the demodulation system;
the demodulation system is used for demodulating the received output electric signal according to a decoding rule to obtain a demodulated information signal;
and the information receiving end is used for receiving the demodulated information signal to complete the communication process.
The working principle is as follows: the traditional electromagnetic wave modulation method is not suitable for modulation by adopting gamma ray communication, and has the problem that intensity modulation coding cannot be realized. The invention designs a radiation communication system with intensity encoding modulation, which comprises an information source, a modulation system, a detector and a demodulation system which are sequentially arranged along a signal transmission direction, and is characterized in that the modulation system is designed, after receiving an initial electric signal transmitted by the information source, the modulation system controls a modulation device to perform mechanical motion by combining with an encoding rule to modulate gamma rays, so that the modulation and the encoding of the gamma ray intensity are realized; the initial electric signal information is loaded on the gamma ray signal after being coded; and then the detector detects the gamma-ray signal to generate a corresponding output electric signal and transmits the output electric signal to the demodulation system, and the demodulation system demodulates the received output electric signal according to the decoding rule to obtain a demodulated information signal. The invention solves the problem that the traditional electromagnetic wave modulation method is not suitable for modulation adopting gamma ray communication and realizes the adjustable gamma ray intensity.
Example 2
As shown in fig. 1 and fig. 2, the present embodiment is different from embodiment 1 in that the γ -ray is generated by a γ -source 1, and the modulation block 2 is provided between the γ -source 1 and a detector 3.
As shown in fig. 2, the modulation device includes a modulation block 2 rotatable around an axis, the modulation block 2 is disposed on a transmission path of the gamma ray, and the gamma ray passes through the modulation block 2, thereby controlling a thickness of a material through which the gamma ray is required to penetrate, and further controlling intensity of the gamma ray to be changed.
It should be noted that: the shielding block in fig. 2 is not necessarily of uniform thickness, and its thickness at different positions from the axis of rotation may vary as desired.
The modulation block 2 is provided with M mark positions in a rotation area, M is more than or equal to 2, and M is a natural number; the modulation system controls the modulation block 2 to be at different marking positions, so that the thickness of a material through which the gamma rays need to penetrate is changed, and the gamma rays are modulated in a mode of changing the intensity of the gamma rays.
The modulation block 2 performs position switching at a plurality of marking positions in a rotating mode, when the modulation block 2 is at different marking positions, the gamma-ray signal intensities detected by the detector 3 are different, and the position of the modulation block 2 is controlled by a modulation system;
when gamma rays interact with a substance, their intensity changes after passing through a certain thickness of the substance. When the energy of the gamma ray is below 30MeV, the gamma ray mainly generates photoelectric effect, Compton effect and electron pair effect when passing through a substance, the intensity of the gamma ray is gradually weakened, and the gamma ray attenuation phenomenon is generated. When the energy of gamma ray is higher, the ability of gamma ray to penetrate substance is stronger, and the absorption of gamma ray by substance follows the law of negative exponential decay:
I＝I0e-μρh
wherein: i is0The initial gamma ray intensity, mu is an attenuation coefficient, rho is an object density, h is an object thickness, and I is the intensity of gamma rays after penetrating through a substance;
when the modulation block 2 is at different marking positions, the ray penetration distance S is changed, so that the gamma ray intensities detected by the detector 3 are different when the modulation block 2 is at different marking positions;
specifically, each mark position corresponds to one code element, M-system coding is adopted for modulation, and the single code element thereof transmits information quantity I log2M (b), the code element transmission rate is R (B), then the transmission rate of the information signal is r ═ Rlog2M (b/s). Therefore, under the condition that the transmission rate of a single code element is not changed, the invention provides a plurality of mark positions corresponding to different code elements by increasing the mark positions, thereby improving the transmission information amount of the single code element and further improving the information transmission rate.
When the number M of the mark positions is 2, the communication is carried out by adopting a binary coding mode, the code elements are ' 0 ' and ' 1 ', and the modulator controls the stepping bodies to be in two marks of ' 0 ' and ' 1The position is recorded for rotary switching, the transmission rate of a single code element is R (B), and the transmission information quantity of the single code element is I log22-1 (b), the information transmission rate r-Rlog22＝R(b/s)；
When the number of the mark positions is M, the M-system coding mode is adopted for communication, the modulator controls the stepping body to perform rotary switching at the M mark positions, the transmission rate of a single code element is R (B), and the transmission information quantity of the single code element is I log2M (b), then the information transmission rate r is Rlog2M(b/s)。
The invention relates to a radiation communication system with intensity coding modulation, which improves the information transmission rate by improving the information transmission quantity of a single code element under the condition of unchanged code element transmission rate.
Example 3
As shown in fig. 1 and fig. 2, the present embodiment is different from embodiment 1 in that the present embodiment provides an intensity-codable modulated radiation communication method, which is applied to an intensity-codable modulated radiation communication system described in embodiments 1 and 2, and the method includes:
converting information signals such as sound and images into initial electric signals;
controlling a modulation device to perform mechanical motion to modulate gamma rays according to the initial electric signals by combining with a coding rule, realizing modulation coding of gamma ray intensity, and loading electric signal information to gamma ray signals;
detecting the gamma-ray signal with the coded information and generating a corresponding output electric signal with the coded information;
demodulating the output electric signal according to a decoding rule to obtain a demodulated information signal;
in this embodiment, the modulation device is controlled to perform mechanical motion to modulate the gamma ray in combination with the coding rule, so as to realize modulation coding of the intensity of the gamma ray; the method specifically comprises the following steps:
the gamma-ray passes through a modulation block which is arranged on a gamma-ray transmission path and can rotate around an axis, and the intensity of the gamma-ray is controlled to change; wherein: the modulation block is provided with M mark positions, M is more than or equal to 2, and M is a natural number; the gamma rays are modulated by controlling the modulation block to be positioned at different mark positions, so that the thickness of a material which needs to be penetrated by the gamma rays is changed, and the intensity of the gamma rays is further changed.
In this embodiment, each mark position corresponds to one symbol, modulation is performed by using M-ary coding, and the information amount I ═ log is transmitted by a single symbol2M (b), the code element transmission rate is R (B), then the transmission rate of the information signal is r ═ Rlog2M (b/s). Therefore, under the condition that the transmission rate of a single code element is not changed, the invention provides a plurality of mark positions corresponding to different code elements by increasing the mark positions, thereby improving the transmission information amount of the single code element and further improving the information transmission rate.
When the number M of the mark positions is 2, a binary coding mode is adopted for communication, the code elements are '0' and '1', the modulator controls the stepping body to perform rotary switching at the two mark positions of '0' and '1', the single code element transmission rate is R (B), and the single code element transmission information quantity is I log22-1 (b), the information transmission rate r-Rlog22＝R(b/s)；
When the number of the mark positions is M, the M-system coding mode is adopted for communication, the modulator controls the stepping body to perform rotary switching at the M mark positions, the transmission rate of a single code element is R (B), and the transmission information quantity of the single code element is I log2M (b), then the information transmission rate r is Rlog2M(b/s)。
Under the condition that the transmission rate of a single code element is not changed, the information transmission rate is improved by increasing the mark position and improving the transmission information amount of the single code element.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An intensity-coding-modulated radiation communication system is characterized by comprising an information source, a modulation system, a detector and a demodulation system which are sequentially arranged along a signal transmission direction;
the information source is used for converting the information signal into an initial electric signal and sending the initial electric signal to the modulation system;
the modulation system is used for controlling the modulation device to perform mechanical motion to modulate the gamma rays by combining with a coding rule after receiving the initial electric signal transmitted by the information source, so as to realize the modulation coding of the intensity of the gamma rays; encoding initial electric signal information and loading the encoded initial electric signal information on a gamma ray signal;
the detector is used for detecting the gamma-ray signal with the coded information, generating a corresponding output electric signal with the coded information and transmitting the output electric signal to the demodulation system;
and the demodulation system is used for demodulating the received output electric signal according to the decoding rule to obtain a demodulated information signal.
2. An intensity-programmable modulated radiation communication system according to claim 1, characterized in that said modulation means comprises a modulation block rotatable about an axis, said modulation block being arranged in the transmission path of the gamma-rays, the gamma-rays passing through said modulation block and controlling the intensity of the gamma-rays to be changed.
3. An intensity coded modulated radiation communication system according to claim 2, characterized in that said modulation block is provided with M mark positions, M ≧ 2, M being a natural number; the modulation system controls the modulation block to be at different mark positions, so that the thickness of a material through which the gamma rays need to penetrate is changed, and the gamma rays are modulated in a mode of changing the intensity of the gamma rays.
4. An intensity code modulated radiation communication system according to claim 3, characterized in that the modulation block is rotated to switch positions at a plurality of mark positions, and the gamma ray signal intensity detected by the detector is different when the modulation block is at different mark positions.
5. An intensity coded modulated radiation communication system according to claim 4, characterized in that each mark position corresponds to a symbol, modulation is performed by M-ary coding, and the information quantity I (log) transmitted by a single symbol is2M (b), the code element transmission rate is R (B), then the transmission rate of the information signal is r ═ Rlog2M(b/s)。
6. An intensity code modulated radiation communication system according to claim 2, wherein said gamma rays are generated by a gamma source and said modulation block is disposed between the gamma source and the detector.
7. An intensity-programmable-modulation-radiation communication system according to claim 1, further comprising an information receiving end for receiving the demodulated information signal to complete the communication process.
8. An intensity-codable modulated radiation communication method for use in an intensity-codable modulated radiation communication system as claimed in any one of claims 1 to 7, the method comprising:
converting the information signal into an initial electrical signal;
controlling a modulation device to perform mechanical motion to modulate gamma rays according to the initial electric signals by combining with a coding rule, realizing modulation coding of gamma ray intensity, and loading electric signal information to gamma ray signals;
detecting the gamma-ray signal with the coded information and generating a corresponding output electric signal with the coded information;
and demodulating the output electric signal according to a decoding rule to obtain a demodulated information signal.
9. The method according to claim 8, wherein the modulation device is controlled by the combination of the coding rule to perform mechanical motion to modulate the gamma ray, so as to realize the modulation coding of the gamma ray intensity; the method specifically comprises the following steps:
the gamma-ray passes through a modulation block which is arranged on a gamma-ray transmission path and can rotate around an axis, and the intensity of the gamma-ray is controlled to change; wherein: the modulation block is provided with M mark positions, M is more than or equal to 2, and M is a natural number; the gamma rays are modulated by controlling the modulation block to be positioned at different mark positions, so that the thickness of a material which needs to be penetrated by the gamma rays is changed, and the intensity of the gamma rays is further changed.
10. An intensity-coded modulated radiation communication method according to claim 9, characterized in that each mark position corresponds to a symbol, modulation is performed by M-ary coding, and the information quantity I-log is transmitted by a single symbol2M (b), the code element transmission rate is R (B), then the transmission rate of the information signal is r ═ Rlog2M(b/s)。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665973A (en) * | 2022-03-23 | 2022-06-24 | 清华大学深圳国际研究生院 | Self-powered non-visible light communication system and method based on mechanical modulation |
| CN115580374A (en) * | 2022-12-09 | 2023-01-06 | 成都理工大学 | Communication device and communication method for electromagnetic shielding room |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259275A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Communication system and communication method under electromagnetic shielding environment |
| CN112260763A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Ray position modulation communication system and communication method |
| CN112260752A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Gamma ray intensity modulation communication system and method |
| CN112260766A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Ray deflection communication system and communication method |
-
2021
- 2021-11-26 CN CN202111423504.0A patent/CN114143153A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259275A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Communication system and communication method under electromagnetic shielding environment |
| CN112260763A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Ray position modulation communication system and communication method |
| CN112260752A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Gamma ray intensity modulation communication system and method |
| CN112260766A (en) * | 2020-10-19 | 2021-01-22 | 中国核动力研究设计院 | Ray deflection communication system and communication method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665973A (en) * | 2022-03-23 | 2022-06-24 | 清华大学深圳国际研究生院 | Self-powered non-visible light communication system and method based on mechanical modulation |
| CN114665973B (en) * | 2022-03-23 | 2023-12-05 | 清华大学深圳国际研究生院 | Self-powered invisible light communication system and method based on mechanical modulation |
| CN115580374A (en) * | 2022-12-09 | 2023-01-06 | 成都理工大学 | Communication device and communication method for electromagnetic shielding room |
| CN115580374B (en) * | 2022-12-09 | 2023-03-07 | 成都理工大学 | Communication device and communication method for electromagnetic shielding room |
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