【Key words】 LED； Linear Array CCD； Spectrum Power Distribution； Chromaticity Coordinates；
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However, the digital random vibration control systems currently based on power spectrum fitting can only generate random vibration exciting signals with Gaussian probability distribution.
然而，目前基于功率谱均衡的数字式随机振动控制系统只能产生高斯分布的随机振动激励信号。
The amplitude distribution, power spectrum and parameters are discussed briefly based on the return at a high grazing angle.
随后以大擦地角的回波信号为例，简要分析了杂波模型的幅度分布、功率谱和参数的特性。
The power law distribution and high degree of polarization of radiant spectrum of QSOs can be explained by this model.
这种模型可以解释类星体的辐射幂谱分布和高度偏振现象。
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