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Meteoric trail communication system single-antenna anti-broadband interference method

A meteor trail communication and broadband interference technology, applied in antenna coupling, antenna support/installation device, etc., can solve the problem of increased space occupied by common antenna arrays, and achieve strong interference suppression, enhanced capability, and enhanced signal performance. Effect

Pending Publication Date: 2022-04-15
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, while having anti-interference ability, the space occupied by ordinary antenna arrays is also increased a lot

Method used

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  • Meteoric trail communication system single-antenna anti-broadband interference method
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  • Meteoric trail communication system single-antenna anti-broadband interference method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047]

[0048] In the formula, for the matrix The principal eigenvector corresponding to the largest eigenvalue, output the covariance matrix for the array of desired signal components, is the power of the desired signal, s d (t) is the desired signal, is the desired signal s d (t) gain, is the desired signal steering vector, given by the external device, R i+n =E{(x i+n (t)[x i+n (t)] H} Output covariance matrix for interference plus noise component array.

Embodiment 2

[0050]

[0051] In the formula, is the desired signal s d (t) gain, is the desired signal steering vector, given by the external device, R xx is the autocorrelation matrix of x(t).

Embodiment 3

[0053]

[0054] In the formula, R xx is the autocorrelation matrix of x(t), R xd As the cross-correlation matrix between the reference signal d(t) and the output x(t) of the N-element polarization-sensitive vector array, the output of any one of the multiple polarization-sensitive vector array antennas is selected as the reference signal d(t).

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Abstract

The invention relates to the technical field of communication signal processing, in particular to a meteoric trail communication system single-antenna broadband interference resisting method. The processing process comprises the following steps: receiving a meteoric trail communication system signal by using a multivariate polarization sensitive vector array antenna, and obtaining the output of a multivariate polarization sensitive vector array; performing beam forming on the output of the multivariate polarization sensitive vector array by using a beam former; according to the method, the anti-interference capability is not restricted by antenna mutual coupling, channel consistency, signal quantization precision and self-adaptive coefficient calculation error factors, and the method has stronger interference suppression and signal enhancement capabilities.

Description

technical field [0001] The invention relates to the technical field of communication signal processing, in particular to a single-antenna anti-broadband interference method of a meteor trail communication system. Background technique [0002] With the increasing complexity of the space electromagnetic environment, the anti-jamming capability requirements for the meteor trail communication system become more and more important. Anti-jamming solutions based on array antennas have been widely used, but the anti-jamming capability of this solution is restricted by various factors such as antenna mutual coupling, channel consistency, signal quantization accuracy, and adaptive coefficient calculation errors. Among them, the consistency of the channel band is an important factor. To analyze and solve the influence of the channel consistency on the degree of interference suppression is a major subject for the anti-jamming receiver of the meteor trail communication system to be pract...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/52H01Q1/24
Inventor 董建明
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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