S. Yano, Toshio Ogawa, H. Takano, M. Fujito, Yasuo Seki
{"title":"在曲谱上显示的哨声痕迹的衰落特征","authors":"S. Yano, Toshio Ogawa, H. Takano, M. Fujito, Yasuo Seki","doi":"10.1541/JAE.11.37","DOIUrl":null,"url":null,"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.","PeriodicalId":274637,"journal":{"name":"Journal of atmospheric electricity","volume":"82 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A FADING CHARACTER OF WHISTLER TRACES DISPLAYED ON SONAGRAM\",\"authors\":\"S. Yano, Toshio Ogawa, H. Takano, M. Fujito, Yasuo Seki\",\"doi\":\"10.1541/JAE.11.37\",\"DOIUrl\":null,\"url\":null,\"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.\",\"PeriodicalId\":274637,\"journal\":{\"name\":\"Journal of atmospheric electricity\",\"volume\":\"82 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of atmospheric electricity\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1541/JAE.11.37\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of atmospheric electricity","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1541/JAE.11.37","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A FADING CHARACTER OF WHISTLER TRACES DISPLAYED ON SONAGRAM
. 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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