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Diffstat (limited to '2219/CH7/EX7.18/Ex7_18.sce')
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1 files changed, 24 insertions, 0 deletions
diff --git a/2219/CH7/EX7.18/Ex7_18.sce b/2219/CH7/EX7.18/Ex7_18.sce new file mode 100755 index 000000000..5b8c13b31 --- /dev/null +++ b/2219/CH7/EX7.18/Ex7_18.sce @@ -0,0 +1,24 @@ +// chapter 7 example 17
+//-----------------------------------------------------------------------------
+clc;
+clear;
+// Data is taken from Example 17. The beam steers towards left of the axis with all parameters remaining in Ex 17 are same
+c = 3*10^8; // velocity of EM waves in m/s
+f = 2.5*10^9; // operating frequency in Ghz
+S = 10*10^-2; // inter element spacing
+theta = -10; // steering angle
+
+// Calculations
+lamda = c/f // Wavelength in m
+phi = (360*S/lamda)*sin(theta*%pi/180)
+phi1 = 0*phi // phase angle for element 1
+phi2 = 1*phi // phase angle for element 2
+phi3 = 2*phi // phase angle for element 3
+phi4 = 3*phi // phase angle for element 4
+phi5 = 4*phi // phase angle for element 5
+
+// Output
+mprintf('Phase angles for elements 1,2,3,4,5 are %d°, %d°, %d°, %d°, %d°',phi1,phi2,phi3,phi4,phi5);
+//------------------------------------------------------------------------------
+
+
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