The power spectral density function of ground acceleration can be described as filtered white noise applied on each support point.
地面运动加速度功率谱模型为零均值的平稳高斯过程,描述为过滤白噪声施加于支撑各点。
The prototype has a countdown, and power failure alarm function. It produces oxygen stable with low noise, consistents with relevant national product standards.
该样机具有倒计时,断电报警等人性化功能,产氧稳定,噪音低,符合国家相关产品标准。
Original ECG preprocessing:remove noise such as high-frequency power supply and interference factors such as baseline drift by wavelet function and filter;
原始心电信号的预处理:利用小波降噪函数和滤波器去除电源干扰的高频噪声和基线漂移及抖动等干扰因素;
Local put low power, the noise is small, cooling function of strong, forced air cooling conditions can be 150% rated load operation.
局部放电量低,噪音小,散热功能强、强迫风冷条件下可以150%额定负载运行。
Local put low power, the noise is small, cooling function of strong, forced air cooling conditions can be 150% rated load operation.
局部放电量低,噪音小,散热功能强、强迫风冷条件下可以150%额定负载运行。
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