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Unformatted text preview: (1.46 ) If t L = t e , the line is said to be matched and the reflection coefficient at the load is zero, r L = O.The reflection coefficient at any point on the line can. be related to the load reflection coefficient as [1 J ['(z) = r L e 2cx (zSf) e j2 {3(zSf) (1.47) The general phasor expressions in (1.41) can be written in terms of the reflection coefficient as [1] V(z) = Y+ e== ej/IZ[l + f(z)] = Vj(z)[l + f(z)] [(z) = ~+ e= ejPZ [1 r(z)] = Vj",(z) [1 ['(z)] Zr z~ (1.48a) (1.48b) The input impedance at any point on the line can be obtained as the ratio of (1.48a) and (lA8b) as f'ilQicht?d Lifl{} (f\!O Re+ftd/Vl) (1.49) 1\z L...
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 Fall '10
 Dr.J.J.WHALEN
 Electromagnet, Impedance matching, Reflection coefficient, VJ, Basic Transmission Line, basic transmission, line problem

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