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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/CH21/EX21.5/Ex21_5.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3773/CH21/EX21.5/Ex21_5.sce')
| -rw-r--r-- | 3773/CH21/EX21.5/Ex21_5.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3773/CH21/EX21.5/Ex21_5.sce b/3773/CH21/EX21.5/Ex21_5.sce new file mode 100644 index 000000000..89bc80c2c --- /dev/null +++ b/3773/CH21/EX21.5/Ex21_5.sce @@ -0,0 +1,16 @@ +//Chapter 21: Antenna Measurements +//Example 21-4.2 +clc; + +//Variable Initialization +pat_lev1 = -22.3 //Pattern level maximum (dB) +pat_lev2 = -23.7 //Pattern level minimum (dB) + +//Calculations +S = abs(pat_lev2-pat_lev1) //Amplitude ripple (dB) +a = (pat_lev1+pat_lev2)/2 //Pattern level (dB) + +R = a + 20*log10((10**(S/20) - 1)/(10**(S/20) + 1)) //Reflectivity (dB) + +//Result +mprintf("The reflectivity is %.1f dB", R) |