2012
鍗椾含閭數澶у閫氫俊鍘熺悊鑰冪爺鐪熼鍥炲繂
涓�
.
閫夋嫨棰?/p>
3
0
棰樺ぇ閮ㄥ垎閮芥槸鍩虹鍜屽線骞寸殑鐪熼鍙樺舰棰?/p>
浜?/p>
.
鍒ゆ柇棰?/p>
锛?/p>
1
銆?/p>
OFDM
绯荤粺鏄撳彈杞芥尝棰戝亸鐨勪激瀹筹紝浣嗘槸鍔熺巼鎭掑畾涓嶅彉銆?/p>
2
銆佸搱杈剧帥鐮侊紙
Hardmard Code
锛夋槸涓�绉嶈繎浼兼浜ょ殑鐮佸瀷銆?/p>
3
銆?/p>
Rake
鎺ユ敹鏈轰綔鐢ㄧ被浼间簬鍧囪 鍣紝鍙互鍏嬫湇鐮侀棿骞叉壈銆?/p>
4
銆佺┖鍒嗗鍧�瑕佹眰鍙戝皠鏈烘垨鎺ユ敹鏈轰竴鏂规垨鍙屾柟浣跨敤澶氬ぉ绾跨郴缁熴�?/p>
5
銆佺┖鍒嗗鐢ㄥ拰绌洪棿鍒嗛泦绫讳技锛岄兘鏄负浜嗗厠鏈嶆棤绾夸俊閬撶殑琛拌惤浣滅敤銆?/p>
6
銆侀珮闃?/p>
QAM
鐗瑰埆閫傚悎浜庨甯﹁祫婧愭湁闄愶紝浣嗘槸淇″櫔姣旂幆澧冭壇濂界殑鏈夌嚎淇￠亾銆?/p>
7
銆佺嚎璺紪鐮侊紙
Line Code
锛夋槸淇″彿涓婄嚎璺箣鍓嶆渶鍚庝竴绾х紪鐮併�?/p>
8
銆侀珮鏂剦鍐茬敱浜庡叾棰戣氨鍔熺巼娉勯湶鍒版梺鐡ｈ緝澶氾紝鏁呬笉閫傚悎浜庢棤绾块�氫俊绯荤粺銆?/p>
9
銆佹棤绾跨Щ鍔ㄤ俊閬撲腑澶氭櫘鍕掓墿灞曡秺澶э紝淇￠亾瓒婅秼鍚戜簬蹇“钀姐�?/p>
10
銆佸鏋滅爜鍏冮棿闅旇繙杩滃ぇ浜庢棤绾夸俊閬撶殑鐩稿共鏃堕棿锛屽垯璇ヤ俊閬撳睘浜庢參琛拌惤淇￠亾銆?/p>
涓?/p>
.
绠�绛旈
1
銆佷粠淇￠亾鐩稿共甯﹀鍜屼俊鍙峰甫瀹界殑鍏崇郴璁鸿堪浠�涔堟槸棰戠巼閫夋嫨淇￠亾锛屼粈涔堟槸骞冲潶琛?/p>
钀戒俊閬撱�?/p>
2
銆佽瘯璁鸿堪淇￠亾鏃犵爜闂村共鎵扮殑濂堝鏂壒鍑嗗垯锛屼妇渚嬭鏄庡摢浜涗俊閬撴弧瓒虫棤鐮侀棿骞叉壈
鐨勬潯浠躲�?/p>
3
銆佽瘯鐢诲嚭
OFDM
鍙戦�佸拰鎺ュ彈缁撴瀯鍥撅紝骞惰繘琛岄�傚綋瑙ｉ噴銆?/p>
4
銆佸湪鎺ユ敹鏈烘垜浠彲浠ョ敤鍖归厤婊ゆ尝鍣ㄥ彇浠ｇ浉鍏冲櫒锛岃瘯璇佹槑鍖归厤婊ゆ尝鍣ㄧ瓑浠蜂簬鐩稿叧
鍣ㄣ�?/p>
5
銆佽瘯鐢诲嚭
16QAM
鐨勬槦搴у浘锛屽苟杩涜鏍奸浄缂栫爜锛屽苟瑙ｉ噴杩欑缂栫爜鐨勫ソ澶勩�?/p>
鍥?/p>
.
瑙ｇ瓟棰?/p>
1.2DPSK
璋冨埗鐨勫彂灏勫姛鐜囦负
A=10V
锛?/p>
淇￠亾鐨勮“鍑忎负
60dB
锛?/p>
鍣０鐨勫姛鐜囦负
Ni=2.5w
(1)
鐢诲嚭
2DPSK
鐨勫樊鍒嗙浉骞茶В璋冩鍥?/p>
(2)
浣胯绠椾笅鍒楄В璋冧笅鐨勮鐮佺巼锛?/p>
2ASK
闈炵浉骞茶В璋?/p>
,2FSK
闈炵浉骞茶В璋?/p>
,2DPSK
闈?/p>
鐩稿共瑙ｈ皟
2.
宸茬煡浜岃繘鍒跺簭鍒楅噰鐢ㄧ鍥涚被閮ㄥ垎鍝嶅簲绯荤粺