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| 回覆中加入附件並不會使你增加積分,請使用主題方式發佈附件。 要用MATLAB寫作業
Consider a binary data stream that consists of a square wave ,the amplitude of
which alternates between the constant levels Eb(開更號b是在右下角小小的)and
zero every Tb(b一樣是在右下角 小小的)seconds.The square wave is centered on
the origin for convenience of the presentation .The objective of the exper-iment is
twof-old:
1.TO investigate the effect of varying the carrier frequency fc(c是小小的f是草寫) ... |
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