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Equivalent circuit, analysis method and system of dual-beam power amplifier behavior model

An equivalent circuit and behavioral analysis technology, applied in the field of effective circuits, can solve problems that cannot be used to represent the behavior model of multi-beam transmitter system power amplifiers, and achieve easy linear and nonlinear crosstalk, simplified model complexity, and low complexity Effect

Active Publication Date: 2021-02-09
中国星网网络应用有限公司
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Problems solved by technology

However, none of the previously studied power amplifier behavior models can be used to represent the power amplifier behavior model in a multi-beam transmitter system, so it is necessary to remodel the power amplifier behavior model in a multi-beam transmitter system to establish a model that can simulate the nonlinearity and memory of the power amplifier. effects, and multibeam PA behavior for linear and nonlinear crosstalk for efficient compensation

Method used

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  • Equivalent circuit, analysis method and system of dual-beam power amplifier behavior model
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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0028] In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or elem...

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Abstract

The invention discloses an equivalent circuit, an analysis method and an analysis system of a dual-beam power amplifier behavior model. The equivalent circuit comprises a nonlinear crosstalk coupler,a first comprehensive filter, a second comprehensive filter and a linear crosstalk coupler; the first output end of the nonlinear crosstalk coupler is connected with the input end of the first comprehensive filter, the output end of the first comprehensive filter is connected with the first input end of the linear crosstalk coupler, and the second output end of the nonlinear crosstalk coupler is connected with the input end of the second comprehensive filter. The output end of the second comprehensive filter is connected with the second input end of the linear crosstalk coupler. The equivalentcircuit comprises a nonlinear crosstalk coupler, a linear crosstalk coupler and a comprehensive filter representing the memory effect and nonlinearity, the complexity is low, the application in practical engineering is facilitated, theoretical reference and technical support are provided for further research of 5G large-scale MIMO and low-earth-orbit satellite communication multi-beam antenna technologies. Linear and nonlinear crosstalk compensation can be carried out conveniently.

Description

technical field [0001] The invention relates to the technical field of power amplifier behavior analysis, in particular to an equivalent circuit, an analysis method and a system of a dual-beam power amplifier behavior model. Background technique [0002] The air-space-ground-sea integrated information network is based on the space-based network and the ground network, which can support land, sea, air, and space users to access and provide on-demand services. As a national information infrastructure with strategic significance, the air-space-ground-sea integrated information network plays an important role in safeguarding national interests and promoting economic development. [0003] As an important part of building a global seamless network integrating air, space, ground and sea, low-orbit satellite communication needs to have the ability to transmit data at a high rate. Due to the limited spectrum resources of satellite communication, traditional satellite communication t...

Claims

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Application Information

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IPC IPC(8): H04B7/0408H04B7/0413H04B7/185H04B17/00H04B17/391
CPCH04B7/0408H04B7/0413H04B7/1851H04B17/0085H04B17/0087H04B17/391
Inventor 谷林海王艳峰罗金玲
Owner 中国星网网络应用有限公司
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