…When the tape in contact with the head moves, the magnetic material of the tape changes so that the strength of magnetization corresponds to the signal. The length of one period of the recorded magnetization on the tape is called the recording wavelength λ, and the following relationship holds: λ = v / f ( v is the tape speed, f is the signal frequency). Figure 4 shows the state of the residual magnetic flux remaining on the tape in a non-bias recording when only the signal current to be recorded is passed through the recording head. … *Some of the terminology that refers to "recording wavelength" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ヘッドに接しているテープが移動するとテープの磁性体は信号に応じた磁化の強弱をもつように変化する。テープ上の録音された磁化の1周期の長さを記録波長λといい,次の関係式が成立する。 λ=v/f (vはテープ速さ,fは信号周波数)録音する信号電流のみを録音ヘッドに流した場合の無バイアス録音のテープ上に残る残留磁束の状態を図4に示す。… ※「記録波長」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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