The frequency of a sound wave, perceived as pitch, is the number of compressions that pass a fixed point per unit time.
声波的频率就是感觉的音调，是单位时间通过定点的压缩数目。
The seismicity levels on the active tectonic block boundaries are discussed considering the large earthquake frequency and the released strain energy in unit distance and time.
从各边界带上强震活动的频次和单位时间、单位长度的地震应变能释放出发，讨论了各活动地块边界带的强震总体活动水平；
It is more reasonable that the dynamic performance index both in frequency domain and in time domain should be calculated from model calculated frequency response and unit-step response.
由参数模型计算的阶跃响应与频率特性上计算时域与频域的动态性能指标才比较合理。
The eigenvalues of the abnormal recruitment signal include the amplitude of the MUP, duration, recruitment frequency, number of the turns per unit time and so on.
异常募集的主要特征值包括MUP的幅度、时限、发放频率、单位时间的转折数等。
Frequency is a measure of the number of occurrences of a repeating event per unit of time.
频率即衡量单位时间里重复事件发生的次数。
The non-parametric models of the unit-step response and frequency response and the dynamic performance index of both in time domain and in frequency domain are also given in this paper.
文中还给出了单位阶跃响应和频率响应两种非参数模型，以及时间域和频率域的动态性能指标。
By adjusting the driving pulse increment, the bright dark conversion to maximize the number of dark and light switching frequency optimization goal of homogenization in per unit time were achieved.
通过调整驱动脉冲增量，实现了单位时间亮暗转换次数最大化和亮暗转换频率均匀化的优化目标。
Optimization of such strategies as decoupling control and primary frequency modulation was adopted at the same time to make the unit meet the requirement of AGC operation even more.
另外，采用解耦控制和一次调频等策略的优化，使机组更适应AGC守口子运行的要求。
The program, which is coded in c, puts time and frequency domain analysis, graph display and plotting together into one integral unit, capable of analyzing and studying any kinds of partial response.
该程序用C语言编程，将时域一频域分析、绘图、打印结合为一体，可对各种类型的部分响应进行分析研究。
The program, which is coded in c, puts time and frequency domain analysis, graph display and plotting together into one integral unit, capable of analyzing and studying any kinds of partial response.
该程序用C语言编程，将时域一频域分析、绘图、打印结合为一体，可对各种类型的部分响应进行分析研究。
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