(a) Consider a parallel-plate waveguide as shown. Find the power reflection coefficients for $T E_{1,0}$ and $T M_{1,0}$ waves at frequency $f=5000 \mathrm{MHz}$ incident on the junction from free space side. L - 5068
Explanation
To find the power reflection coefficients, we need to calculate the characteristic impedances of the TE and TM modes. The characteristic impedance of the TE mode is given by $Z_{TE} = \frac{Z_{0}}{\cos(\beta d)}$ and the characteristic impedance of the TM mode is given by $Z_{TM} = \frac{Z_{0}}{\cos(\beta d)}$. We can then use these values to calculate the power reflection coefficients.
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