通过计算导出了平均假频衰减与滤波器阶次及采样率的关系式。
A relation between average alias attenuation and filter order and sampling rate is derived from calculation.
如果把瞬时频率作适当的非线性变化，就可以得到一个以地层衰减率的倒数的平均值为输入的频谱。
If a proper non - linear change of the instantaneous frequency is realized, we can get a frequency spectrum whose input is the mean of the reciprocals of bed attenuation coefficients.
针对双总线形、星形、环形和双环形四种光纤网络拓扑，比较它们的光纤需求长度、平均传播延迟、传输衰减、最大比特率及容错。
The comparison is in term of fiber required, average propagation delay, transmission loss, max bit rate, fault tolerance among four type topologies included bus, star, ring and dual ring.
平均技术水平增长率对经济增长率的影响在当期和滞后四期的短时间内显著为正，之后震荡衰减为零。
The impact of the growth rate of average skill level on economic growth rate are negative in current and lag four terms, then the impact attenuates to zero.
平均技术水平增长率对经济增长率的影响在当期和滞后四期的短时间内显著为正，之后震荡衰减为零。
The impact of the growth rate of average skill level on economic growth rate are negative in current and lag four terms, then the impact attenuates to zero.
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