CN112260764B - Communication system and method based on rotary radioactive source - Google Patents
Communication system and method based on rotary radioactive source Download PDFInfo
- Publication number
- CN112260764B CN112260764B CN202011119475.4A CN202011119475A CN112260764B CN 112260764 B CN112260764 B CN 112260764B CN 202011119475 A CN202011119475 A CN 202011119475A CN 112260764 B CN112260764 B CN 112260764B
- Authority
- CN
- China
- Prior art keywords
- rotary
- source
- ray
- signal
- radiation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/90—Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
Abstract
The invention discloses a communication system and a method based on a rotary radioactive source, which comprises an information source, a digital signal emission source, a modulation device, a rotary radiation device and a demodulation device which are sequentially arranged along a signal transmission direction, wherein the rotary radiation device comprises a rotary ray tube, a machine body and a radioactive source, the radioactive source is arranged in the rotary ray tube, the radioactive source emits rays with strong penetrability, the rotary ray tube is arranged on the machine body, the machine body is used for supporting the rotary ray tube, and the rotary ray tube can rotate and be positioned relative to the machine body. The invention uses the radioactive source communication to be a new communication mode, when facing the problems of some communication fields, the ray communication can be used as a new optional technical means, and the ray communication expands the electromagnetic wave range which can be used for communication; the strong penetrating ray communication can realize communication under the environment of electromagnetic shielding, such as gamma rays and X rays.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a communication system and a communication method based on a rotary radioactive source.
Background
In an electromagnetic shielding environment, conventional wireless communication methods such as radio waves cannot communicate. In particular, in an electromagnetic shielding environment formed by a metal wall having a large size, it is very difficult to realize wireless communication, and conventional communication methods cannot solve the problem.
The gamma ray has strong penetrating power and high energy, and is electromagnetic wave with wavelength shorter than 0.01 angstrom and frequency higher than 1.5 kilo hundred million Hz.
The X-ray is an electromagnetic wave with extremely short wavelength and large energy, and because of the short wavelength and the large energy, when the X-ray irradiates on a substance, only a part of the X-ray is absorbed by the substance, and most of the X-ray is transmitted through the atomic gap, so that the X-ray has strong penetrating power.
The gamma ray or the X ray is of great significance to the communication under the electromagnetic shielding environment.
Disclosure of Invention
The invention aims to solve the technical problem that the traditional wireless communication methods such as radio waves and the like cannot communicate under the electromagnetic shielding environment, and aims to provide a communication system and method based on a rotary radioactive source, so that the problem of wireless communication under the electromagnetic shielding environment is solved.
The invention is realized by the following technical scheme:
communication system based on rotatory radiation source, include information source, digital signal emission source, modulating device, rotatory radiation device and the demodulating equipment that sets gradually along signal transmission direction, rotatory radiation device includes rotatory ray tube, organism and radiation source, the radiation source sets up in the rotatory ray tube, the radiation source radiates the ray that has strong penetrability, rotatory ray tube sets up on the organism, the organism is used for supporting rotatory ray tube, and rotatory ray tube is rotatable and location for the organism; the digital signal emission source converts an original analog signal emitted by the information source into a digital signal; the modulation device amplifies and level-converts the digital signal and converts the digital signal into a modulation signal; according to the modulation signal, the rotating ray tube rotates or positions relative to the machine body, and the modulation signal is converted into a ray signal; the demodulation device converts the ray signal into an analog signal.
The invention firstly utilizes the characteristic of strong penetration of radioactive rays, takes the radioactive rays radiated by a radioactive source as a carrier for information transmission, and then structurally designs a rotary radiation device, and realizes the rotary positioning in multiple directions through the rotary radiation device. Specifically, the rotating radiation device comprises a rotating ray tube, a machine body and a radiation source, wherein the rotating ray tube is arranged on the machine body, the machine body is used for supporting the rotating ray tube, and the rotating ray tube can rotate and be positioned relative to the machine body. When the rotating ray tube does rotating motion, the rays are positioned in multiple directions. The positioning of rays in a plurality of directions is realized by utilizing a rotary ray tube, and the coding of information signals on the rays is realized by utilizing different physical position parameters of the rotary radiation device.
When only one or two rotating radioactive sources are provided, the coding transmission of the information signals on the ray carriers can be realized according to a certain time interval rule, and the coding can also be carried out according to the difference of the ray energy intensity penetrating through the ray through holes at different time intervals. When there are multiple rotating radiation sources, the encoding can be based only on the time and position transform.
After being received by the communication system of the invention, information sources such as analog signals of sound, images and the like are converted into digital signals through a digital signal emission source; the digital signal transmitting source inputs the digital signal to be transmitted to the modulation device; the modulation device amplifies and converts the digital modulation signal and inputs the digital modulation signal to the rotary radiation device; the rotary radiation device transmits the codes to the demodulation device, and the demodulation device demodulates the received ray signals and converts the ray signals into information such as sound, images and the like to finish the communication process of the signals.
Furthermore, the modulation device comprises a modulator, and the demodulation device comprises a ray array detector, a preamplifier, a demodulator, a receiving end communication interface and a digital signal receiving source which are sequentially arranged along the signal transmission direction; the ray array detector receives the ray signals and converts the ray signals into electric signals; the preamplifier amplifies the electric signal and converts the electric signal into an amplified electric signal; the demodulator demodulates the amplified electric signal and converts the demodulated electric signal into a demodulated signal; the receiving end communication interface transmits the demodulation signal; the digital signal receiving source converts the demodulated signal into an analog signal and outputs the analog signal.
Further, the rotating ray tube has a plurality of positioning positions when being positioned relative to the body; the ray array detector comprises a plurality of ray detectors; when the rotary ray tube is positioned at any positioning position, a ray detector is necessarily arranged in the direction of the rays emitted by the rotary ray tube, and the number of the ray detectors is matched with that of the positioning positions.
Further, the plurality of ray detectors are distributed in an array.
Further, a transmitting end communication interface is arranged between the information source and the digital signal emission source, and the transmitting end communication interface is used for transmitting the original analog signal.
Further, the radioactive source is a plurality of collimated radioactive sources, each collimated radioactive source has a different radiation intensity, and the plurality of collimated radioactive sources are distributed at different positions.
Further, the radioactive source includes an isotope radioactive source, a non-isotope radioactive source, an accelerator radioactive source or an collider radioactive source. Isotopic radiation sources are typically employed, but other sources capable of producing highly penetrating radiation are contemplated as radiation sources in the present invention.
Further, the isotope radioactive source includes a gamma radioactive source or an X radioactive source. The gamma radiation source and the X radiation source have the characteristics of high energy and strong penetrability, and are a preferred embodiment of the invention.
In another implementation manner of the present invention, a communication method based on a rotating radioactive source includes a modulation device, a rotating radiation device, and a demodulation device, where the radioactive source is a highly penetrating isotope radioactive source, and the communication method includes the following steps: step S1: receiving a communication signal, wherein the modulation device modulates the communication signal into a modulation signal; step S3: according to the modulation signal, the rotary radiation device performs rotary transformation of the position to generate a plurality of different positioning positions, the plurality of different positioning positions correspond to a plurality of different coding code elements, and the modulation signal is loaded on radiation to form a radiation signal; step S4: the demodulation device receives the radioactive ray signal, demodulates the radioactive ray signal into a communication signal and outputs the communication signal.
Further, the demodulation device comprises a plurality of ray array detectors, and the positions of the ray array detectors are matched with the different positioning positions in a ray direction in a one-to-one correspondence manner.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the radiation source communication is a new communication mode, when problems in some communication fields are met, ray communication can be used as a new optional technical means, and meanwhile, the electromagnetic wave range which can be used for communication is expanded by utilizing rays for communication;
2. the strong penetrating ray communication can realize communication under some electromagnetic shielding environments, such as gamma rays and X rays;
3. the used gamma sources are fewer, the safety factor is high, and simultaneously, the information can be coded by using multi-code element types.
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 view of example 1;
FIG. 2 is a schematic diagram of a demodulation apparatus;
FIG. 3 is a schematic view of example 3;
FIG. 4 is a schematic view of a rotating gamma source and corresponding gamma ray array detector;
FIG. 5 is a schematic diagram showing the constitution of a modem system according to embodiment 6;
fig. 6 is a schematic view of a gamma-ray generating device and a gamma-ray combined detector of embodiment 6;
FIG. 7 is a combination of "2" and "3";
FIG. 8 is a table of combinations of information for gamma ray generators;
fig. 9 is a coding information table.
Reference numbers and corresponding part names in the drawings:
1-gamma source, 2-rotary gamma source, 3-gamma ray 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
The embodiment 1 is a communication system based on a rotary radiation source, as shown in fig. 1, and includes an information source, a digital signal emission source, a modulation device, a rotary radiation device, and a demodulation device, which are sequentially arranged along a signal transmission direction, where the rotary radiation device includes a rotary ray tube, a body, and a radiation source, the radiation source is arranged in the rotary ray tube, the radiation source emits rays with strong penetration, the rotary ray tube is arranged on the body, the body is used to support the rotary ray tube, and the rotary ray tube is rotatable and positionable relative to the body; the digital signal emission source converts an original analog signal emitted by the information source into a digital signal; the modulation device amplifies and level-converts the digital signal and converts the digital signal into a modulation signal; according to the modulation signal, the rotating ray tube rotates or positions relative to the machine body, and the modulation signal is converted into a ray signal; the demodulation means converts the radiation signal into an analog signal.
In the embodiment 1, firstly, the characteristic of strong penetration of radiation is utilized, the radiation emitted by the radioactive source is used as a carrier for information transmission, and then a rotary radiation device is structurally designed, so that the rotary positioning in multiple directions is realized through the rotary radiation device. Specifically, the rotating radiation device comprises a rotating ray tube, a machine body and a radiation source, wherein the rotating ray tube is arranged on the machine body, the machine body is used for supporting the rotating ray tube, and the rotating ray tube can rotate and be positioned relative to the machine body. When the rotating ray tube does rotating motion, the rays are positioned in multiple directions. The positioning of rays in a plurality of directions is realized by utilizing a rotary ray tube, and the coding of information signals on the rays is realized by utilizing different physical position parameters of the rotary radiation device.
After being received by the communication system of the invention, information sources such as analog signals of sound, images and the like are converted into digital signals through a digital signal emission source; the digital signal transmitting source inputs the digital signal to be transmitted to the modulation device; the modulation device amplifies and converts the digital modulation signal and inputs the digital modulation signal to the rotary radiation device; the rotary radiation device transmits the codes to the demodulation device, and the demodulation device demodulates the received ray signals and converts the ray signals into information such as sound, images and the like to finish the communication process of the signals.
When only one or two rotating radioactive sources are provided, the coding transmission of the information signals on the ray carriers can be realized according to a certain time interval rule, and the coding can also be carried out according to the difference of the ray energy intensity penetrating through the ray through holes at different time intervals. When there are multiple rotating radiation sources, the encoding can be based only on the time and position transform.
Example 2
In this embodiment 2, based on embodiment 1, a communication system based on a rotary radiation source is provided, where a modulation device is shown in fig. 2 and includes a modulator, and a demodulation device includes a radiation array detector, a preamplifier, a demodulator, a receiving end communication interface, and a digital signal receiving source, which are sequentially arranged along a signal transmission direction; the ray array detector receives the ray signals and converts the ray signals into electric signals; the pre-amplifier amplifies the electric signal and converts the electric signal into an amplified electric signal; the demodulator demodulates the amplified electric signal and converts the demodulated electric signal into a demodulated signal; the receiving end communication interface transmits the demodulation signal; the digital signal receiving source converts the demodulated signal into an analog signal and outputs the analog signal.
The rotary ray tube has a plurality of positioning positions when being positioned relative to the machine body; the ray array detector comprises a plurality of ray detectors; when the rotary ray tube is positioned at any positioning position, a ray detector is necessarily arranged in the direction of the rays emitted by the rotary ray tube, and the number of the ray detectors is matched with that of the positioning positions. The plurality of ray detectors are distributed in an array.
Example 3
In this embodiment 3, on the basis of embodiment 2, as shown in fig. 3, a transmitting-end communication interface is provided between an information source and a digital signal transmitting source, and the transmitting-end communication interface is used to transmit an original analog signal. The transmitting end communication interface corresponds to the receiving end communication interface. The transmitting-end communication interface may be a physical cable for signal transmission of the information source, and the receiving-end communication interface may be a physical cable for output signal transmission of the communication system of this embodiment 3.
Example 4
the system and method for communication by using rotary gamma source includes information source, digital signal emission source, modulator, rotary gamma source and demodulator set successively along signal transmission direction.
The system and method for communication by using rotary gamma source includes rotary ray tube, machine body and isotope radioactive source. The rotary tube can realize the rotary positioning of a plurality of directions. The gamma-ray communication system and method realize the modulation of gamma rays by utilizing different physical position parameters of the rotating gamma source.
The demodulation device of the system and the method for communication by utilizing the rotary gamma source comprises a gamma ray array detector, a preamplifier, a demodulator, a receiving end communication interface and a digital signal receiving source. Wherein the gamma ray array detector is arranged in coordination according to the rotating gamma source. The gamma-ray communication system and the method utilize a gamma-ray array detector which is distributed corresponding to the position of a rotary gamma-ray source to receive gamma-ray signals and demodulate the gamma-ray signals.
The system and the method for communication by utilizing the rotary gamma source have the following specific communication processes:
analog signals such as sound, images and the like are input from a receiving end of a communication system and then are converted into digital signals through a digital signal emission source;
the digital signal emission source inputs the digital signal to be transmitted to the modulator;
the modulator amplifies and level-converts the digital modulation signal and inputs the signal to a rotary gamma source;
the array rotation gamma source performs position rotation transformation according to the received modulation signal, different determined position parameters correspond to different encoding code elements, and after information is encoded and loaded to gamma rays, gamma ray signals are output and sent to a demodulation device;
the demodulator demodulates the received gamma-ray signal and converts the gamma-ray signal into information such as sound, image and the like, thereby completing the communication process of the signal.
Example 5
In embodiment 5, a system and a method for performing communication by using a rotating γ source, where the communication system includes an information source, a digital signal emission source, a modulator, a rotating γ source, and a demodulation device, which are sequentially arranged along a signal transmission direction.
The system and the method for communication by utilizing the rotary gamma source concretely comprise the following steps:
firstly, analog signals such as sound, images and the like are input from a receiving end of a communication system and then are converted into digital signals through a digital signal emission source;
inputting a digital signal to be transmitted by a digital signal emission source into a modulator;
step three, the modulator modulates the digital signal to generate a digital modulation signal, and the digital modulation signal is amplified and subjected to level conversion and then is input to a rotary gamma source;
step four, the rotating gamma source outputs gamma ray signals and sends the gamma ray signals to the demodulation device;
and step five, demodulating the received gamma-ray signals by a demodulation device, converting the gamma-ray signals into data such as voice, images and the like, and finishing the communication process of the signals.
The rotary gamma source comprises a rotary ray tube, a machine body and an isotope radioactive source, as shown in fig. 4, the rotary gamma source 2 can realize rotary positioning in four directions, which respectively correspond to a position 1, a position 2, a position 3 and a position 4. The demodulation device comprises a gamma ray array detector 3, a preamplifier, a demodulator, a receiving end communication interface and a digital signal receiving source. A gamma source 1 is provided in the rotary gamma source 2. The gamma ray array detector is arranged in a coordination mode according to the rotary gamma source, specifically, a detector a corresponds to a rotary ray tube position 1, a detector b corresponds to a rotary ray tube position 2, a detector c corresponds to a rotary ray tube position 3, and a detector d corresponds to a rotary ray tube position 4.
The system and the method for communication by utilizing the rotary gamma source have the specific processes of a modulation and demodulation mode as follows:
rotating gamma source receiving modulator
After the input signal, the rotating tube moves to a specified position (such as position 2) according to a corresponding coding rule and sends out a gamma ray signal. The gamma-ray communication system and the method complete the process of modulating the gamma-ray by the way that different positions correspond to different codes;
for the gamma ray signals (such as signals from a position 2) emitted by the rotating gamma source, a gamma ray array detector (a detector b corresponding to the position 2) in a demodulation device receives the gamma ray signals, and the gamma ray communication system and the method demodulate the gamma ray signals in a way that the gamma ray array detector corresponds to the position of the deflecting gamma ray source one by one;
the gamma ray array detector converts the received gamma signals into electric signals and outputs the electric signals to the preamplifier;
the pre-amplifier amplifies the electric signal and outputs the amplified electric signal to the demodulator;
the demodulator processes the amplified electric signal and the receiving end carrier signal according to the modulation mode of the modulator and demodulates a digital signal, the digital signal is transmitted to a digital signal receiving source through a receiving end communication interface, and the demodulation mode of the demodulator corresponds to the modulation mode of the modulator;
the digital signal receiving source completes the output of analog signals such as sound, image and the like through the output end of the communication system.
This embodiment 5 provides a system and a method for communication using a rotary γ source, which includes an information source, a digital signal emission source, a modulator, a rotary γ source, and a demodulation device sequentially arranged along a signal transmission direction; the gamma-ray communication system and the method realize the modulation of gamma-rays by utilizing different physical positions where self-rotatable gamma-sources are positioned, and demodulate gamma-ray signals by utilizing gamma-ray array detectors distributed corresponding to the positions of the rotatable gamma-sources; the gamma-ray communication system and the gamma-ray communication method can realize communication in an electromagnetic shielding environment, and simultaneously, the gamma-ray communication is a new communication mode, so that a new optional technical means is provided for processing the problems in the related communication field while the electromagnetic wave range for communication is expanded.
In this embodiment 5, the γ source is replaced by an X-ray generating source, and the γ -ray detector is replaced by an X-ray detector, and the communication system and method are also applicable to X-ray communication.
The radioactive source of the present invention includes isotope radioactive source, non-isotope radioactive source, accelerator radioactive source or collider radioactive source. Isotopic radiation sources are typically employed, but other sources capable of producing highly penetrating radiation are contemplated as radiation sources in the present invention.
The information source, the digital signal emission source, the modulation device and the rotary radiation device are positioned on one side of the electromagnetic shielding environment, and the demodulation device is positioned on the other side of the electromagnetic shielding environment.
When the information source, the digital signal emission source, the modulation device and the rotary radiation device are positioned in the electromagnetic shielding environment, and the demodulation device is positioned outside the electromagnetic shielding environment, signals are transmitted and communicated from inside to outside through the electromagnetic shielding environment; when the information source, the digital signal emission source, the modulation device and the rotary radiation device are positioned outside the electromagnetic shielding environment, and the demodulation device is positioned inside the electromagnetic shielding environment, signals are transmitted and communicated from outside to inside in the electromagnetic shielding environment; two sets of the system of the invention can also be used to realize the two-way communication inside and outside the electromagnetic shielding environment.
Example 6
The embodiment 6 is a system and a method for gamma-ray communication modulation and demodulation, which includes: a modulation circuit, a gamma ray generating device, a gamma ray combined detector and a demodulation circuit, as shown in fig. 5;
as shown in FIG. 6, the gamma ray generating device is composed of N collimated gamma sources (N is greater than or equal to 1, N is a natural number) with different intensities distributed at different positions, wherein each collimated gamma source can realize plane rotation. Referring to fig. 7, the gamma ray combination detector is composed of a plurality of n (n is greater than or equal to 1, n is a natural number) gamma ray detectors distributed at different positions, and the gamma ray detectors can measure the intensity of gamma rays.
The modulation circuit processes the received original electric signal and controls the gamma ray generating device to generate gamma rays with different intensities and directions according to the coding rule, and the method specifically comprises the following steps:
the gamma ray generator consists of N collimation gamma sources with different intensities, wherein m collimation gamma sources (m is more than or equal to 0 and less than or equal to N, and m is a natural number) rotate to a specified direction under the control of the modulation circuit according to a coding rule and generate gamma rays in the corresponding direction. After receiving the original electric signal, the modulation circuit realizes the process of loading information to gamma rays by controlling a certain number of collimation gamma sources in the gamma ray generating device to generate gamma rays in a certain direction according to a coding rule, and a gamma ray generator sends a gamma ray signal to complete the modulation of the gamma rays;
the collimated gamma source "generates gamma rays" and "does not generate gamma rays" are relative to the gamma ray combined detector, and the collimated gamma source is agreed not to generate gamma rays if the gamma ray combined detector does not detect (or detects weak) the collimated gamma source, and the collimated gamma source is agreed to generate gamma rays if the gamma ray combined detector detects strong collimated gamma source. There are various methods for generating and not generating gamma rays for the gamma ray detector, such as a method of directly shielding the collimated gamma source by a physical shield, a method of controlling the rotation of the collimated gamma source to be out of the detection range of the gamma ray combined detector, and the like.
After the gamma-ray combined detector receives the gamma-ray signal, the demodulation circuit demodulates the gamma-ray signal according to the related coding information, and specifically comprises the following steps:
the gamma ray combined detector is composed of n gamma ray detectors distributed at different positions, after receiving a gamma ray signal, the gamma ray combined detector judges the combined information of the position and the intensity of a collimation gamma source sending the gamma ray signal by identifying the position condition and the intensity condition of the gamma ray detector receiving the gamma ray signal, and the demodulation circuit can demodulate the received gamma ray signal by combining the related coding information.
In all the gamma-ray signals which can be received by the gamma-ray combination detector, the combination mode of a unique collimation gamma source is available for any one gamma-ray signal, and then the number of loaded code elements is (n +1) in the digital signal loading processNAn exponential increase in the number of symbols can be achieved by increasing the number of collimated gamma sources and gamma ray detectors; when one or more gamma-ray signals detected by the gamma-ray combined detector have a combination mode of multiple collimation gamma sources, special processing needs to be carried out on the repeated combination mode, for example, the number of loaded code elements is [ (n +1) by using the same code element informationN-C]C is the total number of repeats。
The description is given by taking specific examples as follows:
when N is 2 and N is 3, that is, the γ -ray generating apparatus includes 2 collimated γ sources with different intensities, respectively a collimated γ source a and a collimated γ source B, and the γ -ray combined detector includes 3 γ -ray detectors, respectively a detector 1, a detector 2 and a detector 3, as shown in fig. 7;
aiming at a collimation gamma source A or a collimation gamma source B, when a gamma ray combined detector cannot detect a gamma ray signal emitted by the collimation gamma source A or the collimation gamma source B, the corresponding position of the collimation gamma source A or the collimation gamma source B is appointed to be 0 at the moment, and the gamma ray combined detector corresponding to the collimation gamma source A has 4 pieces of position information which are respectively as follows: a-1, A-2, A-3, A-0; similarly, the 4 position information of the collimated γ source B are: b-1, B-2, B-3 and B-0. Through the combination of the collimation gamma source A and the collimation gamma source B, the gamma ray generating device has 16 combination modes of intensity and position, as shown in figure 8; the detection result of the gamma-ray combined detector is unique for each combination mode.
The modulation circuit carries out coding modulation on received original information, 16 digital signal code elements are loaded, wherein the code elements are respectively '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14' and '15', when the digital signal code element is '0', the modulation circuit controls a collimation gamma source A to generate gamma rays to a detector 1, and controls a collimation gamma source B to generate gamma rays to the detector 1, and at the moment, the combination position information of the collimation gamma sources in a gamma ray generating device corresponding to the signal code element '0' is [ A-1, B-1], and so on, and a detailed coding information corresponding table is shown in figure 9.
The reception conditions of the gamma ray combined detector are as follows: the detector 1 detects a gamma-ray signal and has an intensity Z0Because the detection result of the gamma-ray combined detector is unique for each combination mode of the gamma-ray generating devices, the demodulation circuit demodulates the gamma-ray signals according to the detection condition of the gamma-ray combined detector, and the combination mode of the corresponding gamma-ray generating devices is [ A-1, B-1]]The corresponding symbol is "0".
In this embodiment 6, when gamma rays are modulated and demodulated, communication can be performed in a "mode division multiplexing" manner, multiple parallel communication channels are established, and the information transmission rate is improved, which includes the following specific processes:
the method comprises the following steps of partitioning N collimation gamma sources in a gamma ray generating device, wherein different modules are used for transmitting different information, so that a plurality of signal generating units of parallel channels are established; modulating the gamma rays generated by each signal generating unit so as to generate gamma ray signals of a plurality of channels;
the gamma ray combined detector receives gamma ray signals of a plurality of channels, converts the gamma ray signals into electric signals and inputs the electric signals into a demodulation circuit for demodulation. In the gamma-ray signals detected by the gamma-ray combination detector, when each signal condition corresponds to a unique collimation gamma-source combination mode, the gamma-ray combination detector can identify the position and the intensity condition of each signal unit, and meanwhile, the condition that the gamma-ray signals interfere with each other does not exist in the communication process, so that the demodulation of the gamma-ray signals of a plurality of channels can be realized according to the demodulation method.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, 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. The communication system based on the rotary radioactive source is characterized by comprising an information source, a digital signal emission source, a modulation device, the rotary radiation device and a demodulation device which are sequentially arranged along a signal transmission direction, wherein the rotary radiation device comprises a rotary ray tube, a machine body and a radioactive source, the radioactive source is arranged in the rotary ray tube, the radioactive source emits rays with strong penetrability, the rotary ray tube is arranged on the machine body, the machine body is used for supporting the rotary ray tube, and the rotary ray tube can rotate and be positioned relative to the machine body;
the digital signal emission source converts an original analog signal emitted by the information source into a digital signal;
the modulation device amplifies and level-converts the digital signal and converts the digital signal into a modulation signal;
according to the modulation signal, the rotating ray tube rotates or positions relative to the machine body, and the modulation signal is converted into a ray signal;
the demodulation device converts the ray signal into an analog signal;
the information source, the digital signal emission source, the modulation device and the rotary radiation device are positioned on one side of the electromagnetic shielding environment, and the demodulation device is positioned on the other side of the electromagnetic shielding environment.
2. The communication system based on the rotary radioactive source according to claim 1, wherein the modulation device comprises a modulator, and the demodulation device comprises a ray array detector, a preamplifier, a demodulator, a receiving end communication interface and a digital signal receiving source which are arranged in sequence along a signal transmission direction;
the ray array detector receives the ray signals and converts the ray signals into electric signals;
the preamplifier amplifies the electric signal and converts the electric signal into an amplified electric signal;
the demodulator demodulates the amplified electric signal and converts the demodulated electric signal into a demodulated signal;
the receiving end communication interface transmits the demodulation signal;
the digital signal receiving source converts the demodulated signal into an analog signal and outputs the analog signal.
3. The rotary radiation source-based communication system of claim 2, wherein the rotary radiation tube has a plurality of positioning positions when positioned relative to the body; the ray array detector comprises a plurality of ray detectors; when the rotary ray tube is positioned at any positioning position, a ray detector is necessarily arranged in the direction of the rays emitted by the rotary ray tube, and the number of the ray detectors is matched with that of the positioning positions.
4. The rotary radiation source-based communication system of claim 3, wherein the plurality of radiation detectors are distributed in an array.
5. The rotary radiation source-based communication system as claimed in claim 2, wherein a transmitter communication interface is disposed between the information source and the digital signal emission source, and the transmitter communication interface is configured to transmit the original analog signal.
6. The rotary radiation source-based communication system as recited in claim 1, wherein the radiation source is a plurality of collimated radiation sources, each of the plurality of collimated radiation sources having a different radiation intensity, the plurality of collimated radiation sources being distributed in a plurality of different locations, the plurality of collimated radiation sources being planar rotatable with respect to the body.
7. The rotary radiation source-based communication system of claim 1, wherein the radiation source comprises an isotopic radiation source, a non-isotopic radiation source, an accelerator radiation source, or a collider radiation source.
8. The rotary radiation source-based communication system as recited in any one of claims 1-7, wherein the radiation source comprises a gamma radiation source or an X-ray source.
9. The communication method based on the rotary radioactive source is characterized by comprising a modulation device, a rotary radiation device and a demodulation device, wherein the radioactive source is a strong penetrating isotope radioactive source, the modulation device and the rotary radiation device are positioned on one side of an electromagnetic shielding environment, the demodulation device is positioned on the other side of the electromagnetic shielding environment,
the communication method comprises the following steps:
step S1: receiving a communication signal, wherein the modulation device modulates the communication signal into a modulation signal;
step S3: according to the modulation signal, the rotary radiation device performs rotary transformation of the position to generate a plurality of different positioning positions, the plurality of different positioning positions correspond to a plurality of different coding code elements, and the modulation signal is loaded on radiation to form a radiation signal;
step S4: the demodulation device receives the radioactive ray signal, demodulates the radioactive ray signal into a communication signal and outputs the communication signal.
10. The rotary radiation source-based communication method according to claim 9, wherein the demodulation device comprises a plurality of radiation array detectors, and the positions of the plurality of radiation array detectors are matched with the plurality of different positioning positions in a one-to-one correspondence manner in the radiation direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119475.4A CN112260764B (en) | 2020-10-19 | 2020-10-19 | Communication system and method based on rotary radioactive source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119475.4A CN112260764B (en) | 2020-10-19 | 2020-10-19 | Communication system and method based on rotary radioactive source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112260764A CN112260764A (en) | 2021-01-22 |
| CN112260764B true CN112260764B (en) | 2022-04-01 |
Family
ID=74245077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011119475.4A Active CN112260764B (en) | 2020-10-19 | 2020-10-19 | Communication system and method based on rotary radioactive source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112260764B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1894577A (en) * | 2003-08-12 | 2007-01-10 | 洛马林达大学医学中心 | Patient positioning system for radiation therapy system |
| CN105048648A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | System and method for carried power supply to and unidirectional information transmission of non-contact nano satellite |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077874B (en) * | 2011-10-25 | 2015-09-02 | 中国科学院西安光学精密机械研究所 | space X ray communication system and method |
| JP2014230600A (en) * | 2013-05-28 | 2014-12-11 | 株式会社東芝 | X-ray ct apparatus, and x-ray detector for x-ray ct apparatus |
| CN108494499B (en) * | 2018-03-09 | 2020-10-23 | 南京航空航天大学 | Signal modulation and demodulation device and method in space X-ray communication |
| CN111106875B (en) * | 2019-12-17 | 2021-08-31 | 中国科学院国家空间科学中心 | Black barrier area X-ray communication system and method thereof |
-
2020
- 2020-10-19 CN CN202011119475.4A patent/CN112260764B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1894577A (en) * | 2003-08-12 | 2007-01-10 | 洛马林达大学医学中心 | Patient positioning system for radiation therapy system |
| CN105048648A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | System and method for carried power supply to and unidirectional information transmission of non-contact nano satellite |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112260764A (en) | 2021-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1879392B (en) | Through-the-earth radio | |
| CN101385254A (en) | Data processing device, tomography apparatus for examination of an object of interest, method of examining an object of interest, computer-readable medium and program element | |
| CN103926261B (en) | Multi-energy multiple dose accelerator, there is the fast check system of this accelerator and the fast detecting method of correspondence | |
| WO2004053472A8 (en) | Radiographic equipment | |
| GB2040611A (en) | Power supply for tomographic apparatus | |
| CN101782390A (en) | Ground simulation method and device for X ray pulsars-based navigation | |
| CN112260764B (en) | Communication system and method based on rotary radioactive source | |
| CN112260763B (en) | Ray position modulation communication system and communication method | |
| CN1828329A (en) | Magnetic resonance detector and method | |
| US3820095A (en) | Electric field measuring and display system | |
| CN112260765B (en) | Gamma-ray communication system and communication method | |
| CN112260753B (en) | Gamma-ray energy modulation communication system and method | |
| Zuo et al. | Sparsity signal detection for indoor GSSK-VLC system | |
| US20140003582A1 (en) | Contactless information transfer in ct imaging modality | |
| CN108957417A (en) | Passive radar detection method and system based on LTE external sort algorithm | |
| US5010254A (en) | System for communicating energy between relatively moving devices | |
| CN107271463B (en) | CT detection device of nuclear fuel element under radiation state | |
| CN112260766B (en) | Ray deflection communication system and communication method | |
| CN113406710A (en) | Detector module, detector device and inspection device | |
| CN112259275A (en) | Communication system and communication method under electromagnetic shielding environment | |
| CN105225455B (en) | A kind of turntable wireless proximity telemetry system | |
| CN112260767A (en) | Infrared-gamma ray combined wireless communication system and communication method | |
| CN110988966A (en) | Neutron and gamma ray compound photography method and system based on CLYC crystal | |
| RU2099875C1 (en) | Method and device for data transmission | |
| US6409087B1 (en) | Scanning and detection means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |