调频自差雷达的数学模型

2016 9th International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW) Pub Date : 2016-06-20 DOI:10.1109/MSMW.2016.7538000

V. Noskov, K. Ignatkov, A. P. Chupahin, G. Ermak, A. Vasyliev

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引用次数: 3

摘要

建立了调频自差雷达工作的数学模型。该模型是在雷达目标的适当反射辐射和固有振荡器噪声的影响下以振荡器的形式提出的。考虑了在供电电路中以及通过嵌入振荡器的可变电容的容量变化进行频率调制的选择。给出了在电源电路和振荡幅值变化情况下自差响应配准时适当的杂散调幅、有用信号和噪声分量的主要计算表达式。分析结果与8mm范围的Gunn二极管上的自差振荡器一致。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Mathematical model of FM autodyne radar

The mathematical model of operation of frequency modulated autodyne radar is developed. The model is presented in the form of an oscillator situated under influence of the proper reflected radiation from a radar object and inherent oscillator noises. Options of frequency modulation in the supply circuit and by means of capacity variation of the varicap embedded into the oscillator are considered. The main expressions for calculations of appropriate spurious amplitude modulation, components of the useful signal and noise are obtained for autodyne response registration both in the power supply circuit and on variation of oscillation amplitude. The results' analysis is performed in conformity with the autodyne oscillator on Gunn diode of 8mm-range.

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2016 9th International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW)

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