Re: [理工] [電磁] 傳輸線
看題意似乎沒有要求用任何匹配方法，只是問在什麼長度能達阻抗共軛匹配
在圖上找到ZL作normalize過後的點，以此為半徑畫一個圓
Rg作normalize後是實部為0.5 虛部為0的點
圓與點沒有交點，所以觀察圓上最接近Rg的點
當阻抗達到這點應該就是最大功率傳輸(非0.5)
也就是從0.408 lambda走到0.5 lambda，故最小長度為0.092 lambda
這是小弟的猜想...
※ 引述《ioioeoeo (ioioeoeo)》之銘言：
: A 50歐姆 lossless transmission line is transmitting a signal from a voltage
: supply (which has
: a resistance of Rg=25歐姆) to a load with an impedance of ZL=35-j20歐姆.
: Please determine the shortest
: possible length of the line in terms of λ so that it can transfer the
: maximum average power from the supply
: to the load.
: 有大大能幫解一下這題嗎
: 感謝!!
--
※ 發信站: 批踢踢實業坊(ptt.cc)
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