The filter has no fundamental frequency decay and phase delay, and all harmonics above2nd order are filtered.
该滤波器在基频处的幅值无衰减，相位无延时，能将2次以上的谐波全部滤掉。
Generally speaking, it is caused by the difference between the equilibrium and the frequency decay, which is difficult to be controlled.
通常认为均衡特性和频率衰减特性的差异是造成这种现象的主要原因，很难抑制。
By analyzing the early phase of frequency decay, it is possible to identify multi-shock earthquake sequence, but it is difficult to rapidly judge intermittent double-shock and swarm.
分析地震序列前期的时频度衰减曲线有可能区分出多震型地震，但快速区分间歇双震型和震群型地震较为困难。
This effect can be measured in either the time domain by observing the rate of decay of voltage or in the frequency domain by measuring phase shifts between sinusoidal currents and voltages.
这个效应可以在时间域通过观测电压的衰变率来测量，也可以在频率域通过正弦电流和电压之间的相变来测量。
The analysis shows that increasing the excitation frequency of the source reduces the decay rate of the ground vibration.
分析表明，对理想弹性半空间来说，增大扰频会减小地面波动衰减率。
The decay effects of the blasting seismic wave are investigated with the frequency of seismic loading and parameters of structural faults.
采用数值计算的方法，分析了爆炸地震波频率与断裂构造参数对衰减的影响。
Numerical simulation of the absorption and dispersion curves changed with the microwave Rabi frequency and detuning, and the absorption peak influenced with the decay rate of the excited particles.
数值模拟了吸收和色散曲线随微波场拉比频率和失谐量的变化规律以及敏锐吸收峰的性质随激发态粒子衰减率的依赖关系。
The squeezing of the single mode cavity field is influenced by the driving field Rabi frequency, the cavity-mode frequency detuning from that of a coherent external field and the cavity decay rate.
单模腔场的压缩性质受到外加驱动场的拉比频率，腔模频率与外加相干场频率的失谐量以及腔场衰减速率的影响。
By changing the cross sectional radius decay coefficient of the exponential metal horns, the longitudinal and torsional vibrations in the transducer could resonate at the same resonance frequency.
通过改变换能器前后指数型盖板的半径减编系数，得出了换能器中纵向与扭转两种振动模式同频共振的条件。
Improvement of high frequency photoconductive decay technique for measuring silicon minority carrier lifetime is described.
本文介绍高频光电导衰减法硅单晶少子寿命测试技术的改进。
Improvement of high frequency photoconductive decay technique for measuring silicon minority carrier lifetime is described.
本文介绍高频光电导衰减法硅单晶少子寿命测试技术的改进。
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