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//Chapter 6: Electric Dipoles, Thin Linear Antennas and Arrays of Dipoles and Apertures
//Example 6-8.2
clc;
//Variable Initialization
z = 73.0 //Self impedance of lambda/2 dipole (ohm)
zm = 64.4 //Mutual impedance with lambda/8 spacing (ohm)
//Calculation
D = sqrt((2*z)/(z-zm))*sin(%pi/8) //Field gain over lambda/2 dipole (unitless)
D_db = 20*log10(D) //Field gain over lambda/2 dipole (in dB)
gain_iso = (D**2)*1.64 //Gain over isotropic source (unitless)
gain_iso_db = 10*log10(gain_iso) //Gain over isotropic source (in dB)
//Result
mprintf("The field gain over lambda/2 dipole is %.2f or %.2f dB",D,D_db)
mprintf("\nThe gain over isotropic source is %.2f or %.1f dB", gain_iso,gain_iso_db)
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