Field and Wave Electromagnetics 2nd Edition by David Cheng

Exercise 4

Find the solutions of Eq. (10-260) for k y by plotting Eqs. (10-257) and (10-258) with d /2 versus k y d/2 for d = 1 (cm) and r = 3.25 if
(a) f = 200 (MHz), and
(b) f = 500 (MHz). Determine and for the lowest-order odd TM modes at the two frequencies.