diff options
Diffstat (limited to '2219/CH3/EX3.19/Ex3_19.sce')
| -rwxr-xr-x | 2219/CH3/EX3.19/Ex3_19.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/2219/CH3/EX3.19/Ex3_19.sce b/2219/CH3/EX3.19/Ex3_19.sce new file mode 100755 index 000000000..d44c7e1c8 --- /dev/null +++ b/2219/CH3/EX3.19/Ex3_19.sce @@ -0,0 +1,25 @@ +// Chapter 3 example 19
+//------------------------------------------------------------------------------
+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
+f = 5*10^9 // operating frequency in Hz
+m0 = 0; // for TE01
+m1 = 1; // for TE10 / TE11 /TM11
+n0 = 0; // for TE10
+n1 = 1; // for TE11 or TM11
+// Calculations
+lamda = c/f; // operating wavelength
+lamda_TE01 = 2/sqrt((m0/a)^2 + (n1/b)^2) // cutoff wavelength for TE01
+lamda_TE10 = 2/sqrt((m1/a)^2 + (n0/b)^2) // cutoff wavelength for TE10
+lamda_TE11 = 2/sqrt((m1/a)^2 + (n1/b)^2) // cutoff wavelength for TE11 or TM11
+if lamda_TE01 >lamda then
+ mprintf('TE01 propagates in the given guide at the given operating frequency');
+ elseif lamda_TE10 >lamda then
+ mprintf('TE10 propagates in the given guide at the given operating frequency');
+ elseif lamda_TE11 >lamda then
+ mprintf('TE11 propagates in the given guide at the given operating frequency');
+end
|