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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3773/CH11/EX11.2/Ex11_2.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3773/CH11/EX11.2/Ex11_2.sce')
| -rw-r--r-- | 3773/CH11/EX11.2/Ex11_2.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3773/CH11/EX11.2/Ex11_2.sce b/3773/CH11/EX11.2/Ex11_2.sce new file mode 100644 index 000000000..943316882 --- /dev/null +++ b/3773/CH11/EX11.2/Ex11_2.sce @@ -0,0 +1,19 @@ +//Chapter 11: Broadband and Frequency-Independent Antennas +//Example 11-7.1 +clc; + +//Variable Initialization +gain_dbi = 7.0 //Gain (dBi) +bandwidth = 4 //Relative bandwidth (unitless) +s_lambda = 0.15 //Spacing (lambda) +k = 1.2 //Scale constant (unitless) + +//Calculation +alpha = atan((1-1/k)/(4*s_lambda))*180/%pi //Apex angle (degrees) +n = round(log(bandwidth)/log(k)) //Number of elements(unitless) +n =n + 1 +n =n + 2 //Number of elements considering conservative design (unitless) + +//Result +mprintf("The apex angle is %.1f degrees",alpha) +mprintf("\nThe number of elements is %d", n) |