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attenuation constant
1. (ÀϹÝÀû) ÀüÆÄ»ó¼öÀÇ ½Ç¼ö °ª ; ´ÜÀ§ Neper/m. 2. (±¤Åë½Å) ƯÁ¤ ¸ðµå¿¡¼ Ãà ¹æÇâ ÀüÆÄ»ó¼öÀÇ ½Ç¼ö °ª. ±× ¸ðµå Àü·Â¿¡¼ °¨¼è°è¼öÀÇ Å©±â´Â °¨¼è»ó¼öÀÇ µÎ ¹èÀÌ´Ù. 3. (µµÆÄ°ü) ±ÕÀÏ Àü¼Û¼±·Î³» ÁøÇà¹æÇâÀÇ °Å¸®¿¡ µû¸¥ ÁøÇàÆÄÀÇ ÀüÀÚ±âÀå ¼ººÐ ÁøÆøÀÇ °¨¼ÒÀ²; ÀüÆÄ»ó¼öÀÇ ½Ç¼ö°ª. ¢Ñ attenuation coefficient : °¨¼è °è¼ö 1. (general) The real part of the propagation constant ; unit Neper per unit length. 2. (fiber optic) For a particular mode, the real part of the axial propagation constant. the attenuation coefficient for the mode power is twice the attenuation constant. IEEE std100 812-1984 3. (waveguide) The rate of decrease in amplitude of a field component of a traveling wave in a uniform transmission line at a given frequency in the direction of propagation as a function distance ; the real part of the propagation constant. IEEE (MTT) 146-1980w
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