“smoothed spectral density”的概念、定义、翻译、参考文献-科学参考

单词	smoothed spectral density
释义	smoothed spectral density Encyclopedia 理学时间序列释 smoothed spectral density平滑谱密度一种密度估计，基本思想是多数谱密度在小频率区间上变化不大，因此在小频率区间上对样本谱密度的值取平均，以达到降低变动性的目的。
随便看	automatic fare collection system automatic feed water bypass system automatic fingerprint identification system automatic fire alarm system automatic fire extinguishing system automatic flight control modes automatic flight control system automatic formation flight control automatic frequency control automatic gain control automatic gain control circuit automatic gain control，AGC automatic generating control automatic generation automatic generation control automatic generation control of hydropower station automatic grading system of agricultural products automatic grafting machine automatic grammar automatic grid generation automatic ground controlled landing automatic group automatic guided vehicle automatic guider automatic guiding

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