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[理工] 一題通訊原理
[ Grad-ProbAsk ]4 留言, 推噓總分: +3
作者: force5566 - 發表於 2014/03/04 20:19(12年前)
2Fforce5566:我也是想正交要怎麼組合....03/04 21:04
[理工] 一題通訊原理
[ Grad-ProbAsk ]3 留言, 推噓總分: +1
作者: force5566 - 發表於 2014/02/18 21:12(12年前)
3Fforce5566:原來如此,感謝02/18 23:43
[理工] 92交大通訊一個小題
[ Grad-ProbAsk ]3 留言, 推噓總分: +1
作者: swanmin5566 - 發表於 2014/01/09 00:21(12年前)
1Fforce5566:我的想法是在t=0和t=T時才有值1(因為脈衝),其他沒有值01/09 20:29
2Fforce5566:,然後矩陣那是zero forcing 定義,我也不確定我觀念正01/09 20:29
3Fforce5566:不正確,有請高手講解@@01/09 20:29
Re: [理工] 一題機率
[ Grad-ProbAsk ]6 留言, 推噓總分: +2
作者: KAINTS - 發表於 2014/01/02 16:57(12年前)
1Fforce5566:感謝解答^ ^01/02 18:10
[理工] 一題機率
[ Grad-ProbAsk ]4 留言, 推噓總分: 0
作者: force5566 - 發表於 2013/12/18 23:23(12年前)
3Fforce5566:可是不是獨立可以這樣做嗎?12/19 22:27
[理工] 線代 線性映射 基底轉換
[ Grad-ProbAsk ]5 留言, 推噓總分: +1
作者: force5566 - 發表於 2013/12/07 22:30(12年前)
5Fforce5566:我懂了,謝謝~~12/08 09:26
[理工]ODE &house-holder消失
[ Grad-ProbAsk ]4 留言, 推噓總分: +1
作者: hmichellesa - 發表於 2013/12/03 09:08(12年前)
1Fforce5566:第二題答案是c+根號(c平方-1)和c-根號(c平方-1) 嗎?12/03 12:59
3Fforce5566:就單純代特徵值的性質阿,trace=特徵值相加,det=特徵12/03 18:58
4Fforce5566:值相乘去解方程式而已12/03 18:58
[理工] 矩陣證明
[ Grad-ProbAsk ]9 留言, 推噓總分: +4
作者: momo504131 - 發表於 2013/11/30 20:49(12年前)
6Fforce5566:我看不懂他的做法,我的作法是在等號左邊右乘一個(A+BCD11/30 23:30
8Fforce5566:)再去化簡成I,這樣比較直觀~~11/30 23:31
[理工] 常態分佈總面積和為1
[ Grad-ProbAsk ]8 留言, 推噓總分: +1
作者: StrKO - 發表於 2013/11/28 12:16(12年前)
2Fforce5566:提示你,積出來結果是分子會和分母對消掉,就是一開始11/28 15:17
3Fforce5566:提出來那項11/28 15:17
4Fforce5566:所以=111/28 15:18
[理工] 訊號與系統 相角頻譜
[ Grad-ProbAsk ]13 留言, 推噓總分: +4
作者: force5566 - 發表於 2013/11/23 18:24(12年前)
3Fforce5566:第一題我不懂為什麼是pi/2 3pi/2 -pi/2 -3pi/2,是因為s11/23 19:09
4Fforce5566:in在這些角度=1嗎? 我知道要奇對稱,我問題好像很白痴X11/23 19:09
5Fforce5566:D11/23 19:09
6Fforce5566:第二題懂了,一開始以為干裡面角度什麼事11/23 19:10
10Fforce5566:懂了,感謝~~11/23 19:50
12Fforce5566:是高成好朋友"丁豪"通訊系統教室11/23 20:15
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