摘要
本文证明了均值为零的并元平稳序列可以表示为实值白噪声序列的并无滑动和的充要条件是它有谱密度。
In this paper,it is proved that the dyadic stationary sequence that it's mean is zero may be reprcsented the dyadic moving average of real-valued white noise equence,if and only if it exists spectral density function.
出处
《黑龙江大学自然科学学报》
CAS
1995年第4期31-33,共3页
Journal of Natural Science of Heilongjiang University
关键词
并元平稳序列
并元滑动和
谱密度
Dyadic Stationary Sequence
Dyadic moving aerage
Spectral density