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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/CH5/EX5.6/Ex5_6.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3773/CH5/EX5.6/Ex5_6.sce')
| -rw-r--r-- | 3773/CH5/EX5.6/Ex5_6.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3773/CH5/EX5.6/Ex5_6.sce b/3773/CH5/EX5.6/Ex5_6.sce new file mode 100644 index 000000000..7a6a493fc --- /dev/null +++ b/3773/CH5/EX5.6/Ex5_6.sce @@ -0,0 +1,21 @@ +//Chapter 5: Point Source and Their Arrays +//Example 5-6.6 +clc; + +//Variable Initialization +lobes = [0.25,0.37,0.46,0.12,0.07] //Normalized power of lobes (unitless) + +//Calculation +ohm_a = 0 //Beam area (sr) +sum_lobes = 0 //Sum of all lobes (unitless) +for i=lobes + ohm_a =ohm_a + 2*%pi*(%pi/36)*(i) + sum_lobes =sum_lobes + i +end +D = 4*%pi/ohm_a //Directivity (unitless) +D_db = 10*log10(D) //Directivity (in dBi) +e_m = lobes(1)/sum_lobes //Beam efficiency (unitless) + +//Result +mprintf("The directivity is %d or %.1f dBi",D,D_db) +mprintf("\nThe beam efficiency is %.1f",e_m) |