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

An equivalent circuit and dual-beam technology, applied in the field of effective circuits, can solve problems that cannot be used to represent the behavior model of a multi-beam transmitter system power amplifier

Active Publication Date: 2021-11-02
中国星网网络应用有限公司
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  • Application Information

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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 a dual-beam power amplifier behavior model
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  • Equivalent circuit, analysis method and system of a 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 a system of a double-beam power amplifier behavior model. The equivalent circuit comprises a nonlinear crosstalk coupler, a first synthesis filter, a second synthesis filter and a linear crosstalk coupler; the first output of the nonlinear crosstalk coupler is connected to the input of the first synthesis filter, and the first The output end of the synthesis filter is connected to the first input end of the linear crosstalk coupler, the second output end of the nonlinear crosstalk coupler is connected to the input end of the second synthesis filter, and the output end of the second synthesis filter is connected to the linear crosstalk The second input of the coupler is connected. The equivalent circuit includes a nonlinear crosstalk coupler, a linear crosstalk coupler and a comprehensive filter that characterizes memory effects and nonlinearity. Satellite communication multi-beam antenna technology provides theoretical reference and technical support to facilitate linear and nonlinear crosstalk compensation.

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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Patent Type & Authority Patents(China)
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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