改进Costas信号的模糊函数

2009 Mediterrannean Microwave Symposium (MMS) Pub Date : 2009-11-01 DOI:10.1109/MMS.2009.5409830

Khaola Kasas, Hassan Aboulnour, O. Kawas

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引用次数: 3

摘要

本文介绍了在时间和频率上对Costas信号进行修正以改善模糊函数的效果。对Costas信号子脉冲间增加频率间隔、线性调频、恒定时空和变时空的效果进行了比较。结果表明，利用Costas信号的子脉冲间的可变间隔，可以大大减少旁瓣，提高多普勒分辨率。

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Improving Ambiguity Function of Costas signal

This paper presents the effects of modifying Costas signal in time and frequency to improve Ambiguity Function (AF). The effect of adding frequency spacing, linear frequency modulation, constant space time, and variable space time between sub-pulses of Costas signal are presented and compared. It is shown that a considerable reduction of side-lobe and better Doppler resolution is achieved by using variable spacing between sub-pulses of Costas signal.

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2009 Mediterrannean Microwave Symposium (MMS)

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