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群遅延の検索結果(2件)

群遅延

群遅延 周波数によって信号の伝搬時間が変わる現象です。主に高周波成分ほど速くなり、デジタル信号の矩形波がのこぎり状に近い形でなまってくる要因となります。伝送路においては、絶縁材料の誘電率の周波数依存や表皮効果によるインダ […]

Frequency distortion and coding

Frequency Distortion and Coding As the first part of the technical note "Frequency and Data Rate", this time we will talk more about "Frequency Distortion and Coding" as a sequel. If you have not read “Frequency and Data Rate”, please read that first […]