Target detection of the passive bistatic radar by non-cooperative illumination is a focus on which the current ECM study is made of for its advantages of "four countermeasures" .

利用外照射源对目标进行探测是目前电子对抗研究的一个热点，因为该体制雷达具有良好的“四抗”性能。

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The methods of detection and angular estimation of two sources are studied for passive radar seeker in two jamming sources scenarios.

研究了被动雷达单脉冲导引头主波束内存在两噪声调频干扰源时，对两辐射源进行检测并作角估计的方法。

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This passive-detection scheme has several advantages over conventional radar.

ECONOMIST: Remote sensing