鍥涘窛澶у銆婄幇浠ｉ�氫俊鎶�鏈�嬫ā鎷熻瘯棰?/p>
涓�銆佸～绌猴紙姣忓皬棰?/p>
2
鍒嗭紝鍏?/p>
20
鍒嗭級
1.
閫氫俊鐨勭洰鐨勬槸浠庝竴涓湴鏂瑰悜鍙︿竴涓湴鏂?/p>
銆?/p>
2.
鐩稿共妫�娴嬪櫒鐨勮В璋冨師鐞嗗彲绛夋晥涓轰竴涓?/p>
鍚庢帴涓�涓綆閫氭护娉㈠櫒銆?/p>
3.
鐬椂棰戠巼闅忓緟浼犻�掍俊鎭俊鍙风嚎鎬у彉鍖栫殑瑙掕皟鍒剁О涓?/p>
銆?/p>
4
鏌愭暟鎹紶杈撶郴缁熼噰鐢?/p>
4
杩涘埗鐮佸厓浠?/p>
4800
娉㈢壒鐨勭爜鍏冮�熺巼浼犺緭鏁版嵁锛屽垯璇ョ郴缁熺殑淇℃伅閫熺巼
涓?/p>
銆?/p>
5.
鍦ㄥ姞鎬ч珮鏂櫧鍣０淇￠亾涓紶杈撲簩杩涘埗鏁版嵁鐨勫钩鍧囪鐮佺巼鍙〃绀轰负
銆?/p>
6.
浜岃繘鍒剁Щ鐩搁敭鎺?/p>
锛?/p>
2FSK
锛?/p>
璋冨埗鐢ㄤ袱绉嶄笉鍚?/p>
鐨勬寮﹁剦鍐蹭俊鍙蜂紶閫佷簩杩涘埗淇℃伅
鈥?/p>
0
鈥?/p>
鍜屸�?/p>
1
鈥?/p>
銆?/p>
7.
PCM30/32
锛?/p>
E1 system
锛?/p>
鍩虹兢鏃跺垎澶氳矾澶嶇敤绯荤粺鐨勬爣绉版暟鎹�熺巼涓?/p>
銆?/p>
8.
鏀堕煶鏈轰笂鏍囩ず鐨勨�?/p>
SW
鈥濆箍鎾噰鐢ㄧ殑璋冨埗鏂瑰紡鏄?/p>
銆?/p>
9.
閫氫俊缃戞槸鎸夌収閫氫俊鍗忚鍜屾爣鍑嗭紝閫氳繃浼犺緭璁惧鍜?/p>
璁惧灏嗗湴鐞嗕綅缃垎鏁ｇ殑
鐢ㄦ埛缁堢璁惧杩炴帴璧锋潵鐨勯�氫俊绯荤粺銆?/p>
10.
鏁板瓧閫氫俊涓殑鍚屾鍙兘鍖呮嫭杞芥尝鍚屾銆?/p>
銆佸瓧鍚屾銆佸抚鍚屾鍜岀綉鍚屾銆?/p>
8*
In communication systems, two primary resources
are
銆?/p>
9*
Let B denote the channel bandwidth, and let SNR demote the signal-to-noise ratio.
According to Shannon鈥檚 Information Capacity Theorem, the information capacity can
be described as
銆?/p>
10*
An (n, k) linear block code of minimum distance
d
min
can correct up to
t
errors if,
and only if
銆?/p>
浜屻�侀�夋嫨棰橈紙姣忓皬棰?/p>
2
鍒嗭紝鍏?/p>
20
鍒嗭級
锛堜竴锛夊崟椤归�夋嫨棰橈紙鍦ㄦ瘡灏忛鐨勫洓涓閫夌瓟妗堜腑閫夋嫨涓�涓纭殑绛旀銆?/p>
锛?/p>
1.
鑻?/p>
m
(
t
)
鏄?/p>
鍩?/p>
甯?/p>
淇?/p>
鎭?/p>
淇?/p>
鍙?/p>
锛?/p>
鍒?/p>
涓?/p>
杈?/p>
甯?/p>
鍗?/p>
杈?/p>
甯?/p>
璋?/p>
骞?/p>
淇?/p>
鍙?/p>
(USSB)
鐨?/p>
鏃?/p>
鍩?/p>
琛?/p>
杈?/p>
寮?/p>
鏄?/p>
锛?/p>
锛?/p>
銆?/p>
鈶?/p>
t
t
m
c
飦?/p>
cos
)
(
锛?/p>
鈶?/p>
t
t
m
t
t
m
c
c
sin
)
(
藛
cos
)
(
飦?/p>
飦?/p>
飥?/p>
锛?/p>
鈶?/p>
t
t
m
t
t
m
c
c
sin
)
(
藛
cos
)
(
飦?/p>
飦?/p>
飥?/p>
锛?/p>
鈶?/p>
t
t
m
t
A
c
c
飦?/p>
飦?/p>
cos
)
(
cos
飥?/p>
飪?/p>
2.
鍦ㄦā鎷熻浇娉㈢數璇濅腑锛屼紶杈撹瘽闊充俊鍙蜂竴鑸噰鐢紙
锛?/p>
銆?/p>
鈶?/p>
鏍囧噯锛★辑璋冨埗锛?/p>
鈶?/p>
鍙岃竟甯﹁皟鍒讹紱
鈶?/p>
鍗曡竟甯﹁皟鍒讹紱
鈶?/p>
娈嬬暀杈瑰甫璋冨埗銆?/p>
3.
鏃跺垎澶氳矾澶嶇敤淇″彿鐨勭壒寰佹槸锛?/p>
锛?/p>
銆?/p>
鈶?/p>
鍦ㄦ椂鍩熸贩鍙犲湪涓�璧凤紝鍦ㄩ鍩熸贩鍙犲湪涓�璧凤紱
鈶?/p>
鍦ㄦ椂鍩熸贩鍙犲湪涓�璧凤紝鍦ㄩ鍩熷彲鍒嗚鲸锛?/p>
鈶?/p>
鍦ㄦ椂鍩熷彲鍒嗚鲸锛屽湪棰戝煙鍙垎杈紱
鈶?/p>
鍦ㄦ椂鍩熷彲鍒嗚鲸锛屽湪棰戝煙娣峰彔鍦ㄤ竴璧枫�?/p>