The article calculates the mean square root values ofpulse noise, observational dynamic range and power spectrum of ground noise of all seismic station bases.
得出了各地震台台基的脉动噪声的均方根值、观测动态范围、地噪声功率谱。
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This paper introduces the pulse wide modulation (PWM) based on minimum root-mean-square value of harmonic current of inverter.