CN-121984596-A - Signal receiving method and system based on Redberg atoms

CN121984596ACN 121984596 ACN121984596 ACN 121984596ACN-121984596-A

Abstract

The invention discloses a signal receiving method and system based on a Redberg atom, wherein the method comprises the steps of firstly constructing the Redberg atom system, then applying a data signal to the Redberg atom system to enable a target Redberg atom to generate a comb-shaped transition spectrum, generating a beat signal carrying signal information to be received in the Redberg atom system by utilizing the comb-shaped transition spectrum through resonance coupling to generate the beat signal, reading the beat signal, analyzing the target parameter information of the signal to be received, simultaneously receiving the target parameter information of different frequency ranges through a plurality of independent receiving modules, and respectively combining with an optimization strategy of frequency, phase and intensity parameters to realize signal receiving based on the target Redberg atom. The signal receiving method based on the Redberg atoms, which can realize multi-band parallel reception, high-precision parameter analysis, compact structure and strong anti-interference capability, breaks through the bottleneck of the prior art and meets the requirement of the modern information field on high-performance signal reception.

Inventors

ZHAO BOWEN
KAN YI
ZHANG SHAOCHUN
WANG PENG

Assignees

安徽省国盛量子科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260206

Claims (10)

1. A method for receiving signals based on a reed-burg atom, the method comprising: Constructing a Redberg atomic system, wherein the energy level structure of the Redberg atomic system at least comprises a ground state, an excited state and a Gao Lide fort state; applying a data signal to the system of the reed-burg atoms to cause the target reed-burg atoms to produce a comb-like transition spectrum; Mixing occurs in the Redberg atomic system through resonance coupling by utilizing the comb transition spectrum, and a beat signal carrying information of a signal to be received is generated; Reading the beat frequency signal and analyzing target parameter information of the signal to be received, wherein the target parameter information comprises frequency, phase and intensity parameters of the signal to be received; and simultaneously receiving target parameter information of different frequency bands through a plurality of independent receiving modules, and respectively combining with an optimization strategy of frequency, phase and intensity parameters to realize signal receiving based on target Redberg atoms.
2. The method of claim 1, wherein said applying a data signal to said system of reed-burg atoms to cause a comb transition spectrum to be generated by a target reed-burg atom comprises: and respectively applying detection light, coupling light and data signals corresponding to a multi-frequency local oscillator microwave field to the Redburg atomic system so as to enable the target Redburg atomic system to generate a comb-shaped transition spectrum, wherein the wavelength of the detection light is 850nm, the wavelength of the coupling light is 510nm, and the multi-frequency local oscillator microwave field at least covers three frequency bands of 3.7GHz, 5.1GHz and 7.9 GHz.
3. The method of claim 2, wherein said generating a beat signal carrying information of a signal to be received by mixing in said reed-burg atomic system by resonance coupling using said comb transition spectrum comprises: based on the comb transition spectrum, utilizing frequency mixing generated by resonance coupling of a multi-frequency local oscillator microwave field and a signal microwave field to be received in a Redburg atomic system to determine a density matrix evolution equation; and converting the density matrix evolution equation into a matrix recursion expression of Fourier coefficients by using the Floquet theory and the atomic superheterodyne principle, and solving by a matrix continuous fractional method to obtain beat signals carrying information of signals to be received.
4. A method according to claim 3, wherein said determining a density matrix evolution equation based on said comb transition spectrum using a frequency mixing of a multi-frequency local oscillator microwave field with a signal to be received microwave field in a reed-burg atomic system by resonance coupling comprises: determining an energy level structure parameter of a Redberg atomic system based on the comb transition spectrum; And constructing a coupling model of the multi-frequency local oscillator microwave field and the signal microwave field to be received according to the energy level structure parameters, and obtaining a density matrix evolution equation by utilizing the coupling model.
5. The method of claim 4, wherein the converting the density matrix evolution equation into a matrix recursion expression of fourier coefficients using Floquet theory and atomic superheterodyne principle, and solving by a matrix continuous fractional method to obtain beat signals carrying information of signals to be received, includes: Decomposing a density matrix of a Redburg atomic system into a real part and an imaginary part to form a real column vector by using the Floquet theory and the atomic superheterodyne principle, and establishing an initial form of an evolution equation of the time-containing density matrix; Performing Fourier series expansion on the initial form of the time-containing density matrix evolution equation to convert the initial form of the time-containing density matrix evolution equation into a matrix recursion expression of Fourier coefficients; Setting initial conditions of a Redberg atomic system, solving a matrix recursion expression through a matrix continuous fractional method, and determining a final density matrix evolution equation.
6. The method of claim 5, wherein the receiving, by a plurality of independent receiving modules, the target parameter information of different frequency bands simultaneously, and respectively combining with the optimization strategies of the frequency, the phase and the intensity parameters, the signal receiving based on the target reed-burg atoms comprises: Configuring a plurality of independent receiving modules, wherein each module corresponds to a target frequency band, and the target frequency band at least comprises 3.7GHz, 5.1GHz and 7.9GHz; Controlling the frequency of each independent receiving module by adjusting the local oscillator microwave field power; adjusting the phase of the modulated signal of each independent receiving module through a vector network; The interaction between the target Redberg atoms and the optical field is optimized through a multi-beam scheme, the multi-beam divides incident light into at least four beams which are distributed in parallel and have uniform power through a beam splitting device, and the optimized frequency and phase are combined to calibrate the multi-channel intensity parameters so as to realize signal receiving based on the target Redberg atoms.
7. The method according to claim 6, wherein the beam splitting ratio of the beam splitting device is sequentially 1:3, 1:1 and 1:2, the beam center-to-center distance is set to be 2mm, and the spot diameter is controlled to be 0.5mm.
8. A signal receiving system based on a reed-burg atom, the system comprising: The construction module is used for constructing a Redberg atomic system, wherein the energy level structure of the Redberg atomic system at least comprises a ground state, an excited state and a Gao Lide fort state; the application module is used for applying a data signal to the Redberg atom system so as to enable the target Redberg atoms to generate a comb-shaped transition spectrum; the generation module is used for generating a beat signal carrying signal information to be received by utilizing the comb transition spectrum and generating frequency mixing through resonance coupling in the Redburg atomic system; The analysis module is used for reading the beat frequency signal and analyzing target parameter information of the signal to be received, wherein the target parameter information comprises frequency, phase and intensity parameters of the signal to be received; The receiving module is used for simultaneously receiving target parameter information of different frequency bands through a plurality of independent receiving modules, and realizing signal receiving based on target Redberg atoms by respectively combining with an optimization strategy of frequency, phase and intensity parameters.
9. A storage medium having a computer program stored therein, wherein the computer program is arranged to implement the method of any of claims 1 to 7 when run.
10. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to run the computer program to implement the method of any of the claims 1 to 7.

Description

Signal receiving method and system based on Redberg atoms Technical Field The invention belongs to the technical field of communication safety, and particularly relates to a signal receiving method and system based on a Redburg atom. Background In the fields of modern communication, radar detection, electromagnetic environment monitoring and the like, a signal receiving technology is a core supporting link, and the accuracy, timeliness and comprehensiveness of information acquisition are directly determined by the performance of the signal receiving technology. Along with the rapid development of information technology, signals to be received have the characteristics of wide frequency band coverage, large parameter dynamic range, multi-frequency band concurrent transmission and the like, and increasingly stringent requirements are put forward on the frequency band adaptability, frequency resolution, multi-channel parallel processing capability and anti-interference performance of a signal receiving system. The existing signal receiving technology is mainly constructed based on traditional electronic devices, and the working principle of the existing signal receiving technology is mostly dependent on the motion characteristics of electrons in solid materials. However, the conventional technology has many inherent limitations that firstly, the coverage range of a frequency band is limited, full-frequency band coverage from low frequency to microwave, millimeter wave or even terahertz frequency bands is difficult to realize by a single electronic device, if signals of different frequency bands are required to be received, a plurality of devices of different specifications are required to be configured, so that the system is huge in size and high in cost, secondly, the frequency resolution and the phase detection precision are limited by the physical characteristics of the device, when weak signals or high-frequency signals are processed, noise interference is prone to occur, so that signal parameter analysis errors are large, thirdly, the multi-frequency band parallel receiving capability is insufficient, the problem of cross-channel crosstalk exists in the conventional multi-channel receiving system, parameter optimization of each channel is difficult to independently regulate and control, the stability and reliability of multi-frequency band signal receiving are affected, and fourthly, the anti-interference capability of the conventional electronic device is weaker and is prone to influence by external electromagnetic interference under a complex electromagnetic environment, so that the signal receiving quality is reduced. Therefore, in order to overcome the defects of the conventional signal receiving technology and the existing shortcomings of the signal receiving technology, it is highly desirable to provide a signal receiving method capable of implementing multi-band parallel reception, high-precision parameter analysis, compact structure and strong anti-interference capability, so as to break through the bottleneck of the prior art and meet the requirement of the modern information field on high-performance signal reception, which is an urgent technical problem to be solved. Disclosure of Invention The invention aims to provide a signal receiving method and system based on a Redberg atom, which solve the defects in the prior art, and provide the signal receiving method based on the Redberg atom, which can realize multi-frequency-band parallel reception, high-precision parameter analysis, compact structure and strong anti-interference capability, breaks through the bottleneck of the prior art, and meets the requirements of the modern information field on high-performance signal reception. One embodiment of the present application provides a method for receiving signals based on a reed-burg atom, the method comprising: Constructing a Redberg atomic system, wherein the energy level structure of the Redberg atomic system at least comprises a ground state, an excited state and a Gao Lide fort state; applying a data signal to the system of the reed-burg atoms to cause the target reed-burg atoms to produce a comb-like transition spectrum; Mixing occurs in the Redberg atomic system through resonance coupling by utilizing the comb transition spectrum, and a beat signal carrying information of a signal to be received is generated; Reading the beat frequency signal and analyzing target parameter information of the signal to be received, wherein the target parameter information comprises frequency, phase and intensity parameters of the signal to be received; and simultaneously receiving target parameter information of different frequency bands through a plurality of independent receiving modules, and respectively combining with an optimization strategy of frequency, phase and intensity parameters to realize signal receiving based on target Redberg atoms. Optionally, the applying a data signal to the reed-burg atom