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本文在Evans的空间平滑预处理技术基础上,提出了双向空间平滑预处理技术,并证明了后者在去相关、孔径的有效利用率以及孔径尺寸一定时,阵列最多可分辨的相干源数目方面均优于前者。计算机仿真结果验证了上述结论。
Based on the Evans spatial smoothing preprocessing technique, a bi-directional spatial smoothing preprocessing technique is proposed and it is proved that the latter can achieve the maximum number of distinguishable coherent sources when the decorrelation, the effective utilization of aperture and the aperture size are certain Are better than the former. Computer simulation results verify the above conclusion.