作者查詢 / ericabab
作者 ericabab 在 PTT [ comm_and_RF ] 看板的留言(推文), 共68則
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1F推:No Xj-k 所以不是AWGN啊61.62.188.96 01/27 22:05
6F推:咦你說得對,如果符合nyquist就是awgn了61.62.189.26 01/29 00:41
7F→:whiten filter好像是用在不是去掉isi時61.62.189.26 01/29 00:41
8F→:我也不知道為什麼XD 符合nyquist應該不會61.62.189.26 01/29 00:42
9F→:不實際,raised cosine是真的有在用的61.62.189.26 01/29 00:42
10F推:你說的做whiten之後反而出現isi是錯的61.62.189.26 01/29 00:47
11F→:因為如果本來就是isi,whiten filter就61.62.189.26 01/29 00:47
12F→:等於1啦XD 我在猜是因為符合nyquist的話61.62.189.26 01/29 00:47
13F→:bw efficient會比較差,所以不用?61.62.189.26 01/29 00:48
15F推:找本課本看就會有啦XD61.62.189.26 01/29 01:07
16F→:請用 http://0rz.tw/4lLH661.62.189.26 01/29 01:11
19F→:嗯嗯是解答:p61.62.189.26 01/29 01:28
1F推:第二本就是都會寫不能在美國賣的那種XD140.113.199.233 01/10 14:36
2F→:內容是一樣的140.113.199.233 01/10 14:36
2F→:噢噢對,我寫錯了XD140.113.199.108 01/06 01:48
1F→:bibble拼錯了XD61.220.242.214 12/26 13:38
1F推:nulling就只是乘個反矩陣(或類似)61.220.242.214 10/24 14:53
2F→:canceling的話是每一個自己nulling之後61.220.242.214 10/24 14:53
3F→:把整個系統扣掉那根天線的影響,再繼續61.220.242.214 10/24 14:54
4F→:下一個nulling61.220.242.214 10/24 14:54
5F→:正在做VBLAST的專題,觀念有錯請指正:)61.220.242.214 10/24 14:55
1F推:嗯謝謝!!140.113.198.38 05/19 23:31
2F→:是做專題,教授要我們跑模擬,所以都自己140.113.198.38 05/20 00:26
3F→:假設就好了,謝謝:)140.113.198.38 05/20 00:26
3F→:是指訊號跟noise的sqrt(2)都改成2嗎140.113.198.38 05/18 13:00