For the same configuration as 11-7, use transmission line equations to calculate the input impedance at z = -d for a different frequency. Also determine the fraction of the incident average power density reflected by the structure. Assume all media are lossless. Er1:=1 Er2:=9 Er3:=4 f:=40 MHz

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**Transmission Line Calculation**

For the same configuration as 11-7, use transmission line equations to calculate the input impedance at \( z = -d \) for a different frequency. Also, determine the fraction of the incident average power density reflected by the structure. Assume all media are lossless.

- \( \varepsilon_{r1} = 1 \)
- \( \varepsilon_{r2} = 9 \)
- \( \varepsilon_{r3} = 4 \)
- \( f = 40 \, \text{MHz} \)

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Transcribed Image Text:**Transmission Line Calculation** For the same configuration as 11-7, use transmission line equations to calculate the input impedance at \( z = -d \) for a different frequency. Also, determine the fraction of the incident average power density reflected by the structure. Assume all media are lossless. - \( \varepsilon_{r1} = 1 \) - \( \varepsilon_{r2} = 9 \) - \( \varepsilon_{r3} = 4 \) - \( f = 40 \, \text{MHz} \) No graphs or diagrams are present in this image.
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