A FADING CHARACTER OF WHISTLER TRACES DISPLAYED ON SONAGRAM

Journal of atmospheric electricity Pub Date : 1900-01-01 DOI:10.1541/JAE.11.37

S. Yano, Toshio Ogawa, H. Takano, M. Fujito, Yasuo Seki

引用次数: 0

Abstract

. A fading character of whistler traces has been studied (Yano et al.,1989). During the course of this study it is noticed that quick fading patterns of whistler waves obtained by a sound-spectrograph, sonagraph, show an inflation such as semi-circular shift to the right. In order to explain this phenomenon the fading of two artificial whistlers generated by using a digital computer and a D/ A converter was analyzed by the sonagraph. It is concluded as a result of the experiment that the rightward inflation of the trace is caused by the resonance echo of a high-Q bandpass filter mounted on the sonagraph.

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在曲谱上显示的哨声痕迹的衰落特征

．已经研究了哨声痕迹的衰落特征(Yano等人，1989)。在这项研究的过程中，我们注意到，由声谱仪(超声)获得的哨声波的快速衰减模式显示出一种膨胀，如向右半圆移动。为了解释这一现象，用声纳分析了由数字计算机和D/ a转换器产生的两个人工哨声的衰落。实验结果表明，迹线向右膨胀是由安装在超声机上的高q带通滤波器的共振回波引起的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of atmospheric electricity

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