IEICE Electronics Express
Online ISSN : 1349-2543
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Array calibration method for gain-phase errors based on asynchronous interstation direct wave interference
Liu BinWu XiongbinLi LunXu Xing'anLong Chao
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JOURNALS FREE ACCESS

2012 Volume 9 Issue 6 Pages 450-457

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Abstract

In this paper, we analyze the interstation direct wave interference (IDWI) under an asynchronous condition. We propose an array calibration method for the consistency of gain-phase for the first time and show the conditions and probability of the generation of IDWI and the characteristics of asynchronous IDWI. This method can implement calibration of direct wave without keeping radar stations in synchronous condition and perform outstanding precision and stability. The experimental data demonstrate that using array calibration for gain-phase errors based on asynchronous IDWI can get accurate and stable calibration values of gain-phase errors.

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© 2012 by The Institute of Electronics, Information and Communication Engineers
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