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//Chapter 21: Antenna Measurements
//Example 21-4.2
clc;
//Variable Initialization
pat_lev1 = -22.3 //Pattern level maximum (dB)
pat_lev2 = -23.7 //Pattern level minimum (dB)
//Calculations
S = abs(pat_lev2-pat_lev1) //Amplitude ripple (dB)
a = (pat_lev1+pat_lev2)/2 //Pattern level (dB)
R = a + 20*log10((10**(S/20) - 1)/(10**(S/20) + 1)) //Reflectivity (dB)
//Result
mprintf("The reflectivity is %.1f dB", R)
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