摘要
该文定义了假频能量系数，以表征采样频谱的混叠程度．通过对系统频谱能量的分析，提出了按系统的假频能量系数和时间常数选择采样周期的一种新方法．
In this paper, the energy coefficient of pseudo-frequency is defined to represent the overlaping extent of the sampling frequency spectrum. The new method of selecting the sampling period is presented according to time constant and energy coefficient of pseudo-frequency.
出处
《自动化学报》
EI
CSCD
北大核心
1995年第4期481-486,共6页
Acta Automatica Sinica
关键词
采样周期
频谱
假频能量系数
Sampling period
frequency spectrum
energy coefficient of pseudofrequency.
