故意干扰统计特性对微波成像分辨能力的影响分析

2017 International Multi-Conference on Engineering, Computer and Information Sciences (SIBIRCON) Pub Date : 2017-09-01 DOI:10.1109/SIBIRCON.2017.8109910

T. Artemova, A. Gvozdarev

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引用次数: 0

摘要

对有意干涉和无意干涉对微波全息成像系统性能的影响进行了统计分析。选择这类系统的方位分辨能力作为其与干扰源电磁兼容的判据。无意干扰和有意干扰分别用复高斯噪声、不相关或空间相关的指数或二次指数协方差模型来描述。得到了测试场景中物体正确分辨的概率与信噪比和空间相关系数的依赖关系。估计了在所研究的干扰下提供正确分辨率的给定概率所需的信噪比阈值。研究结果可用于远程微波观测系统、探地雷达、自主监视系统和其他应用的设计，并可用于预测其在干扰下的性能。

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An analysis of intentional interference statistical properties influence on microwave imaging resolving power

A statistical analysis of intentional interference influence on the performance of microwave holography imaging system comparing to unintentional interference is carried out. Azimuthal resolving power of such systems is chosen to be a criterion of their electromagnetic compatibility with interference sources. Unintentional and intentional interferences are described by complex Gaussian noises, uncorrelated or spatially correlated with the exponential or quadratic-exponential covariance models respectively. The dependences of probability of correct objects resolution in the test scene on the signal to noise ratio and the spatial correlation coefficient are obtained. Signal to noise ratio thresholds necessary to provide the given probability of correct resolution under investigated interferences are estimated. The results can be useful for design of such systems as remote microwave observators, ground penetration radars, autonomous surveillance systems and other applications and for the prognosis of their performance under interferences.

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来源期刊

2017 International Multi-Conference on Engineering, Computer and Information Sciences (SIBIRCON)

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