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Reciprocity principle-based simulation method for electromagnetic interference evaluation and computer equipment

A computer equipment and electromagnetic interference technology, applied in the electronic field, can solve problems such as inability to obtain test data, increase in research and development costs, and inability to assess interference risks in advance

Active Publication Date: 2022-02-18
HONOR DEVICE CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] However, in the early stage of terminal equipment design, because no actual product prototype has been produced, test data cannot be obtained, so the risk of interference cannot be assessed in advance
After the actual terminal equipment is produced later, if there is an interference problem, the design needs to be revised again, which will lead to a longer research and development cycle of the terminal equipment and an increase in research and development costs

Method used

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  • Reciprocity principle-based simulation method for electromagnetic interference evaluation and computer equipment

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Embodiment Construction

[0039] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Among them, in the description of the embodiments of this application, unless otherwise specified, " / " means or means, for example, A / B can mean A or B; "and / or" in this article is only a description of associated objects The association relationship of indicates that there may be three kinds of relationships, for example, A and / or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently. In addition, in the description of the embodiments of the present application, "plurality" refers to two or more than two.

[0040] Hereinafter, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature def...

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Abstract

The invention relates to the technical field of electronics, and provides a reciprocity principle-based electromagnetic interference evaluation simulation method and computer equipment, wherein the method comprises the steps: obtaining an excitation signal, wherein the excitation signal is a simulation signal emitted by an excitation source arranged at a receiving antenna through the receiving antenna; adopting a preset simulation module to calculate interference current excited by the excitation signal at a monitoring point, wherein the monitoring point is located on a transmission path of an interference signal emitted by an interference source, and the simulation module is a module for calculating the current at the monitoring point; determining whether the interference current exceeds a preset interference current threshold; and if the interference current exceeds a preset interference current threshold, determining that the receiving antenna is interfered by the interference source when the interference source transmits a signal. The method can shorten the research and development period and reduce the research and development cost.

Description

technical field [0001] The present application relates to the field of electronic technology, in particular to a simulation method and computer equipment for evaluating electromagnetic interference based on the principle of reciprocity. Background technique [0002] With the development of communication technology, terminal equipment has more and more powerful functions and supports more and more communication systems, so that the number of antennas on the terminal equipment is also increasing. Due to the structural limitations of the terminal equipment, the interference problem is becoming more and more serious. [0003] Usually, during the product development process of the terminal equipment, the research and development personnel can use the method of modeling and simulating the structure of the terminal equipment to evaluate the risk of interference. However, some interference scenarios are not easy to model in the early stages of R&D. For example, a flexible printed ...

Claims

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Application Information

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IPC IPC(8): G06F30/20
CPCG06F30/20
Inventor 朱凯翔
Owner HONOR DEVICE CO LTD
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