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//Chapter 24: Space Wave Propagation
//Example 24-9.5
clc;
//Variable Initialization
h = 1000 //Height of duct (m)
delM = 0.036 //Change in refractive modulus (unitless)
c = 3e8 //Speed of light (m/s)
//Calculations
wl_max = 2.5*h*sqrt(delM*1e-6) //Maximum wavelength (m)
fmax = c/wl_max //Maximum frequency (Hz)
//Result
mprintf("The maximum frequency that can be transmitted is %.1f MHz", fmax/1e6)
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