0 7P/P M */03.“5*0/“/%)“0;IJIVJ;)“/(;IFOSFO 5IF4FDPOE“SUJMMFSZo zLY/ v/PHBNJ) /BHBTIJNB5“SFRVFODZBOE5JNJOH1FSJPE“DRVJTJUJPO5FDIOJRVFGPS0%.TZTUFNT*&*$&5SBOTBDUJPOTPO$PNNVOJDBUJPOT & 4MJTLPWJD. +FSFO#$MPDLSFRVFODZ4ZODISPOJBUJPOJO0%.4ZTUFNGPS1PXFS-JOF$PNNVOJDBUJPOT1SPDTU*OU8PSLTIPQPO*NBHFBOE4JHOBM1SPDFTTJOHTe (1974-) 3 8 g p V 3 1997 M8/dB “ HM & 10-3SNR=20dBm 4 .1 wL m 3 q wL20T50T100TK=10 K=30 1K=50