Measurements of the Instantaneous Amplitude Distributions.

Abstract

The instantaneous amplitude distribution was studied experimentally. Employing the level selective circuits of high stability, the distribution density curves of sine wave and random noise were compared with the calculated ones, and it was observed that the revetting noise showed Gaussian distribution regardless of bands of frequencies. The frequency rate of noises was measured in some cases by applying the level selective circuit and the monostable multi-vibrator.