“automatic direction finder”的概念、定义、翻译、参考文献-科学参考

单词	automatic direction finder
释义	automatic direction finder [¦ȯd·ǝ¦mad·ik di`rek·shǝn ´fīnd·ǝr] ^ELECTRONICS A direction finder that without manual manipulation indicates the direction of arrival of a radio signal. Abbreviated ADF. Also known as radio compass.
随便看	noise digit noise distortion noise equivalent temperature difference noise factor noise figure noise filter noise generator noise grade noise immission level noise improvement factor noise jammer noise killer noiseless channel noise level noise limiter noise measurement noise-metallic noise-modulated jamming noise pollution noise-power measurement noise radial noise rating number noise-reducing antenna system noise reduction noise reduction coefficient

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