diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2219/CH3/EX3.15 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2219/CH3/EX3.15')
| -rwxr-xr-x | 2219/CH3/EX3.15/Ex3_15.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/2219/CH3/EX3.15/Ex3_15.sce b/2219/CH3/EX3.15/Ex3_15.sce new file mode 100755 index 000000000..e85a3808f --- /dev/null +++ b/2219/CH3/EX3.15/Ex3_15.sce @@ -0,0 +1,23 @@ +// Chapter 3 example 15
+//------------------------------------------------------------------------------
+clc;
+clear;
+// Given data
+a = 4*10^-2; // width of waveguide
+b = 2*10^-2; // narrow dimension of waveguide
+c = 3*10^8; // velocity of EM wave in m/s
+m1 = 1; // for TE10
+m2 = 2; // for TE20
+n = 0; // for TE10
+// Calculations
+lamda_c = 2*a // cutoff wavelength for TE10 mode
+f1 = c/lamda_c // frequency in Hz
+// the frequency range for single mode operation is the range of frequencies corresponding to the dominant mode and the second highest cutoff wavelength
+lamda_c_2 = 2/sqrt((m2/a)^2 + (n/b)^2)
+f2 = c/lamda_c_2; // freq at second largest cutoff wavelength
+
+// Output
+mprintf('Therefore,single mode operating range = %3.2f Ghz to %3.1f Ghz\n',f1/10^9,f2/10^9 );
+mprintf(' Note: instead of 3.75,3.5 is printed in textbook');
+//------------------------------------------------------------------------------
+
|