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Diffstat (limited to '3773/CH2/EX2.11/Ex2_11.sce')
| -rw-r--r-- | 3773/CH2/EX2.11/Ex2_11.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/3773/CH2/EX2.11/Ex2_11.sce b/3773/CH2/EX2.11/Ex2_11.sce new file mode 100644 index 000000000..da5d3f09b --- /dev/null +++ b/3773/CH2/EX2.11/Ex2_11.sce @@ -0,0 +1,22 @@ +//Chapter 2: Antenna Basics +//Example 2-17.1 +clc; + +//Variable Initialization +AR_w = 4 //Axial Ratio for left elliptically polarized wave (unitless) +tau_w = 15 //Tilt angle for left elliptically polarized wave (degrees) +AR_a = -2 //Axial Ratio for right elliptically polarized wave (unitless) +tau_a = 45 //Tilt angle for right elliptically polarized wave (degrees) +tau_w2 = 20.7 //2*Tilt angle for left elliptically polarized wave (degrees) +tau_a2 = 39.3 //2*Tilt angle for right elliptically polarized wave (degrees) + +//Calculation +eps_a2 = 2*atan(1,AR_a)*180/%pi //Polarisation latitude (degrees) +eps_w2 = 2*atan(1,AR_w)*180/%pi //Antenna latitude (degrees) +gamma_w2 =acos(cos(eps_w2*%pi/180)*cos(tau_w2*%pi/180)) //great-circle angle - antenna (radians) +gamma_a2 =acos(cos(eps_a2*%pi/180)*cos(tau_a2*%pi/180)) //great-circle angle - wave (radians) +M_Ma = (gamma_w2*180/%pi) + (gamma_a2*180/%pi) //total great-circle angle (degrees) +F = cos((M_Ma/2)*%pi/180)**2 //Polarisation matching factor (relative quantity) + +//Result +mprintf("The polarization matching factor is %.2f",F) |