... spectral sensitivity characteristic 光谱灵敏度特性曲线 spectral filtering 光谱滤波 spectral density 光谱密度 ...
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Adaptive Spectral Filtering 适应谱滤波
spectral filtering effect 频谱滤波效应
spatial spectral filtering 空间频谱滤波
The results show, spectral filtering technology is an effective way to improve signal-to-noise ratio.
研究结果表明：光谱滤波技术能有效提高信噪比。
The paper discusses a new spectral filtering procedure that performs filtering before and after fine coregistration according to spectral characteristics.
本文提出了一种方位向频域滤波和距离向频域滤波的处理流程，即根据频域特征选择在精配准前后做频域滤波。
A new technique is described in this paper for the star detection on daytime cloudless sky background which allows the hybrid methods of spectral filtering and polarization.
本文描述了一个在白天无云天空背景下同时应用光谱滤波法和偏振技术对星体进行探测的新方法。
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