... 空间频率倍增 spatial frequency multiplexing 空间频率谱 spatial frequency spectrum 空间频率的滤波 spatial frequency filtering ...
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spatial frequency spectrum synthesizer 光学空间频率合成器
In this paper, the DOA estimation is implemented by spatial frequency spectrum analysis.
本文从空间频谱分析的角度来实现这一估计。
Different scenes are analyzed in the power spectrum spatial frequency domain, it can be shown that the power spectrum of most natural scenes is of invariability.
用功率谱的方法对任意景物在空间频域进行分析表明，功率谱对于自然景物具有一定的不变性。
And the intensity of single frequency of the entire spectrum is contributed from emissions with wide spatial and Angle ranges.
辐射谱中某单个频率的空间方向分布和位置分布比较广。
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