Time-Domain Near-Field Measurement of Antenna by IDFT Technique

XUE Zheng-hui; GAO Ben-qing; LIU Rui-xiang; YANG Shi-ming; LIU Chao

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Time-Domain Near-Field Measurement of Antenna by IDFT Technique

更新时间：2025-07-16

- Time-Domain Near-Field Measurement of Antenna by IDFT Technique
- Acta Electronica Sinica Vol. 29, Issue 9, Pages: 1183-1187(2001)
- 作者机构：
  
  北京理工大学电子工程系,北京,100081
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN820
- Published：2001
- 稿件说明：
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XUE Zheng-hui, GAO Ben-qing, LIU Rui-xiang, et al. Time-Domain Near-Field Measurement of Antenna by IDFT Technique[J]. Acta Electronica Sinica, 2001, 29(9): 1183-1187.
DOI：

XUE Zheng-hui, GAO Ben-qing, LIU Rui-xiang, et al. Time-Domain Near-Field Measurement of Antenna by IDFT Technique[J]. Acta Electronica Sinica, 2001, 29(9): 1183-1187. DOI：

摘要

本文提出了一种利用离散付立叶反变换(IDFT)技术完成天线的时域近场测量的方法.首先依据付立叶变换理论论证了这种方法的可行性

用典型算例证明了该方法的有效性和正确性

同时对实现这种测试方法可能引入的误差进行了分析

随后提出了应用该方法完成测试时关键技术参数确定的原则

讨论了用该方法测试所获得的实验结果

得出了结论.

Abstract

This paper describes a new method which uses IDFT (Inverse Discrete Fourier Transform) technique to do time-domain near-field measurement for antenna.According to Fourier Transform Theory

the feasibility of this method is demonstrated in this paper.Some calculation examples show that this method is effective and exact.The errors led by this method are analyzed and the principles for deciding the key parameters in using this method are given

the test results are discussed and the conclusions are reached.

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