Effective suppression to high frequency transient interference.
能有效抑制各种高频瞬态干扰。
However, SMPS operate at high switching frequencies, and the associated transient pulses are full of high frequency harmonics that may cause electromagnetic interference (EMI).
然而,由于开关电源工作在高频状态,其产生的瞬态脉冲包含有能够发射电磁干扰(emi)的的高频谐波。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
针对电能质量扰动信号的特性,本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
Bilinear time-frequency transform possesses a high resolution both in the time domain and the frequency domain. It can be utilized to detect weak transient signal in complex background.
双线性时间-频率变换在时间域与频率域都具有较高的分辨率,有利于复杂背景条件下微弱瞬时信号的探测。
QS28 is equipped with two 18-inch low frequency transducer precision. Obtain high sensitivity and fast transient peak of the abnormal response is given.
QS 28装备了2只18英寸精密低频换能器。可获得高灵敏度以及对快速的瞬间峰值给出异常响应。
The calculating result in practical engineering shows that the transient effect on demodulation probability of error is very low even when the system frequency hopping is at middle-high speeds.
本文结合工程实践的计算表明,即使在中高速跳频时,暂态过程对误码率的影响也是很小的。
Whereas in the current transients, though load removal is a low-frequency phenomenon, a very small transient is observed at high-frequency regions for defective gears.
而在目前的瞬变,即使负荷搬迁是一种低频率的现象,一个相当小的瞬态是观察在高频率地区有缺陷的齿轮。
It is concluded that the transient response to a high frequency harmonic ground motion can increase greatly the displacement response of structures, particularly for the long period structures.
研究结果表明:在简谐地面加速度作用下,高频地震动也可以引起长周期结构产生很大的位移反应,且最大位移反应出现在结构的瞬态自由振动阶段。
Several examples calculating the scattering displacement show that the method used for scattering high-frequency transient wave is effective.
数值结果表明利用该形函数计算高频情形下的散射问题具有很高的精度。
Several examples calculating the scattering displacement show that the method used for scattering high-frequency transient wave is effective.
数值结果表明利用该形函数计算高频情形下的散射问题具有很高的精度。
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