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無線網路概論(2009 年夏)
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ellingtonsu
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Sep 24, 2009, 3:32:29 AM
9/24/09
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請同學多多利用此留言版發表任何與課程相關的問題!
am946620
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Sep 26, 2009, 6:59:13 AM
9/26/09
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老師 您上課提到的傅立葉 我們並沒有上過 工程數學是97學年度入學的學弟妹才有的課程,目前是排在大三,物理課也沒有上過
目前上過的課程有關於傅立葉的內容,大多跳過或是讓我們知道有這個東西而已
On 9月24日, 下午3時32分, ellingtonsu <
ellington...@gmail.com
> wrote:
> 請同學多多利用此留言版發表任何與課程相關的問題!
am946620
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Oct 3, 2009, 8:43:20 AM
10/3/09
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老師 課本P.16中間 圖2.4顯示......(C)頻率f=4Hz,相當於T=1/4秒 與投影片P.9的(C)f=2,T=1/2 不相同
蘇維宗
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Oct 4, 2009, 10:03:36 PM
10/4/09
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這位同學很細心喔! 那同學們覺得是圖(課本P.16或投影片P.11)錯了還是投影片文字(P.9)錯了呢?
答案:看一下圖2.4(C)就可以知道1秒有4個完整的正弦波,這表示頻率 f = 4。
Best regards,
Wei-Tsung Su
2009/10/3 am946620
<
ita.f...@gmail.com
>
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