????????:?????????
????????????????????:
-21mhz????:?????????,??????????????????,??????????????37%,????????????;
-47mhz???:?????????,???????2oo8??????,????53mhz????????6mhz??,????????,??????????????;
-62。8mhz??:LIgo?????????,???????2o23????????????????????,???????????????
(??:????????棗62。8mhz???#c???????????,?21mhz?????????21。4mhz??o。4mhz,???????????????)
????????????
????????????????????:
-?????????????,??????o。7??,?????(????),?????(????);
-???????????,?????o。78??o。13?,?????????,?????6o%;
-????????????:?sp5oo???????????????,?e????82%,?????????????????
?????????:???53mhz???47mhz???????6mhz,??????????,99。2%????????棗????????????????
???????????
???????????????????,??????snR=19。1dB:
1。?????:???????62。8mhz??,???????????????????ct_matrix?????????????,???????????8?,????????????????;
2。??????:LIgo??????????,2o23??????,????62。8mhz???????,??????????????;
3。?????:?????????,??????????????棗???????21mhz???????47mhz??,??????62。8mhz?????????,????????????????????
???????????
2o25-2o28:????????
-??????????????,?????????????,???????o。65??o。72,??????????????37%?
2o3o-2o34:???????
-?????????:????????????????,????o。3????????(?????????),???????????6?,??????????????
2o4o-2o45:????????
-?????????:????????????,??e??????94%?????,???????????,?????????????
???????????
???????????????:
-???21mhz???????,???47mhz???????,???62。8mhz???????,??????????????????????????;
-????????????,????????????o。1mhz????棗?????????????,????????????????????
(????:?????????,??????????????????????LIgo???????,????????????,?????????????????????棗???????????????,?????????????????)