1) sub-band variance
子带方差
1.
Due to the decorrelation and frequency-band partition of DWT for long memory process (LMP), a physical quantity called sub-band variance was proposed, and its approximating expression was given under the fractionally differenced (FD) parameters or spectral density is specified.
根据长记忆过程小波变换的频带分割及其去相关性,提出了“子带方差”的概念,并给出了在长记忆条件下的估算公式。
2) variance of frequency band
频带方差
1.
First of all,a kind of voice activity detection(VAD)algorithm based on variance of frequency band is introduced by colored additive noise.
首先介绍一种基于频带方差的语音活动检测(VAD)算法,然后在此基础上,给出一种对麦克风阵列各通道信号同时进行VAD的新算法(ICA-VAD):经ICA分离出的相对纯净的语音信号作为参考信号,其VAD结果用于指导阵列信号的语音检测。
3) between-zone variance
带间方差
4) sample variance
子样方差
1.
in this paper we give sufficient and necessary conditions that sample avarages and sample variances .
本文给出了分别取自总体和的两个相互独立的样本的子样均值与子样方差相互独立的充要条件。
5) Variance of unit weight
方差因子
6) directional sub-bands
方向子带
补充资料：板带轧制速度规程(见板带轧制规程设计)
板带轧制速度规程(见板带轧制规程设计)
speed schedule for plate and strip rolling
bandai zhazhi sudu guieheng板带轧制速度规程(speed seheduxe fo:plateand strip rolling)见板带札制规程设计。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条