diff options
Diffstat (limited to '2863/CH2/EX2.32')
| -rwxr-xr-x | 2863/CH2/EX2.32/ex2_32.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/2863/CH2/EX2.32/ex2_32.sce b/2863/CH2/EX2.32/ex2_32.sce new file mode 100755 index 000000000..370ba8a47 --- /dev/null +++ b/2863/CH2/EX2.32/ex2_32.sce @@ -0,0 +1,17 @@ +//chapter 2
+//part a
+printf("\n");
+c=3*10^8;
+frequency=20*10^9;
+lamda=c/frequency;
+printf("the wavelength is %gm",lamda);
+//part b
+//Ae=G*(lamda)^2/4*pi
+r=0.61;
+Aep=(%pi)*r^2;
+printf("\nthe effective physical aperture is %gm^2",Aep);
+Ae=0.55*Aep;
+Ga=(Ae*4*(%pi))/(lamda)^2;
+Gdb=10*log10(Ga);
+printf("\nthe antenna gain is %g",Ga);
+printf("\nthe antenna gain in db is %gdb",Gdb);
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