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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6F→:請問平均是指對什麼平均呢?是像M大說的?140.114.93.131 04/04 11:39
8F→:不太懂平均功率是指對什麼平均,時間嗎?140.114.93.131 04/04 12:59
9F→:如果是只有LOS,那麼每次收到的都是4的能量140.114.93.131 04/04 13:00
10F→:平均下來不也是4嗎?140.114.93.131 04/04 13:00
16F→:非常感謝! 所以這樣模擬是沒問題的吧!140.114.93.131 04/05 07:13
4F→:detection是對或錯,像是判斷有訊號或沒140.114.206.98 09/12 01:07
5F→:est是對某個參數估計,會有誤差,希望小140.114.206.98 09/12 01:08
6F→:大致上是這樣啦,有錯請指教140.114.206.98 09/12 01:08
1F→:random process的書會有140.114.93.131 06/30 04:52
2F→:手邊沒書沒辦法翻140.114.93.131 06/30 04:52
5F推:三樓原po有看一樓推文嗎?140.114.93.131 04/22 02:31
1F推:sin<->兩根impulse , rect<-> sinc140.114.207.65 02/06 02:40
2F→:做convolution,所以是兩個sinc140.114.207.65 02/06 02:41
1F推:time shift在freq domain造成相位改變140.114.207.65 11/16 21:46
1F→:power無限可達到無限的capacity沒錯啊140.114.207.65 10/17 22:04
2F→:但你不可能有那麼多power140.114.207.65 10/17 22:05
5F→:不懂你的問題耶@@ 要近似什麼?就是無限啊140.114.207.65 10/17 22:46
1F推:把PAM想成不同半徑,PSK想成不同角度140.114.207.65 10/13 11:43
2F→:他就是看成兩個合在一起的,沒有說什麼140.114.207.65 10/13 11:45
3F→:哪些是PAM哪些是PSK了吧140.114.207.65 10/13 11:46
7F推:感覺有點像是,在xy平面上的點,你不會140.114.207.65 10/13 11:53
8F→:問說那個點是屬於x方向的還是y方向的感覺140.114.207.65 10/13 11:53
3F→:通常沒講都zero mean吧140.114.93.131 10/08 13:37
3F→:網路不歡迎伸手牌140.114.93.131 09/29 21:31