Linear analysis method and system for non-linear system

A technology of nonlinear systems and analysis methods, applied in radio transmission systems, transmission systems, electrical components, etc., can solve problems such as noise and the nature of the signal that cannot be more realistically reflected

Inactive Publication Date: 2016-11-09
INSPUR BEIJING ELECTRONICS INFORMATION IND
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Problems solved by technology

[0003] The systems we are currently studying are all analyzed according to linear systems, because our general research mainly considers idealized linear amplifiers, but the actual systems are all nonlinear systems, and there are not only noises but also noises during signal transmission. There are factors such as power attenuation. In the prior art, the power attenuation factor and the noise factor are not combined, so the analysis result cannot reflect the nature of the signal more realistically.

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[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] The core of the present invention is to provide a linear analysis method and system for nonlinear systems.

[0047]In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0048] figure 1 It is a flowchart of a linearization analysis method for a nonlinea...

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Abstract

The invention discloses a linearization analysis method of a nonlinear system, comprising: using the Bussgang theory to obtain the transfer characteristic function h(y) corresponding to the source signal x from the transmitting node to the first relay node sr ); Utilize the linear amplification theory to describe the transfer characteristic function h(y sr ) is linearly amplified to obtain the first relay processing function f r (y sr '); According to the first relay processing function, the first received signal y corresponding to the source signal is obtained from the first relay node to the receiving node rd . It can be seen that, in the above process, the power attenuation factor and the noise factor can be combined, so that the first received signal more truly reflects the nature of the source signal. In addition, the invention also discloses a linearized analysis system of a nonlinear system, and the effect is as above.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a linearization analysis method and system for a nonlinear system. Background technique [0002] In the past few decades, wireless communication technology has developed rapidly, and has also made great progress in practical applications. In every technological revolution, communication technology will develop rapidly, and the size, cost and transmission reliability of communication equipment have been greatly improved. [0003] The systems we are currently studying are all analyzed according to linear systems, because our general research mainly considers idealized linear amplifiers, but the actual systems are all nonlinear systems, and there are not only noises but also noises during signal transmission. There are factors such as power attenuation. In the prior art, the power attenuation factor and the noise factor are not combined, so that the analysis result cannot re...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/155
CPCH04B7/15535H04B7/15592
Inventor 李震宇郭锋
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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