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Diffstat (limited to '3773/CH7/EX7.2/Ex7_2.sce')
| -rw-r--r-- | 3773/CH7/EX7.2/Ex7_2.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3773/CH7/EX7.2/Ex7_2.sce b/3773/CH7/EX7.2/Ex7_2.sce new file mode 100644 index 000000000..053f02a72 --- /dev/null +++ b/3773/CH7/EX7.2/Ex7_2.sce @@ -0,0 +1,15 @@ +//Chapter 7: Loop, Slot and Horn Antennas +//Example 7-8.2 +clc; + +//Variable Initialization +Rr = 197.0 //Self resistance of loop (ohm) +Rm = 157.0 //Mutual resistance of two loops (ohm) +theta = 2*%pi/10 //Angle of radiation (radians) + +//Calculation +D = 1.5*(2*sqrt(Rr/(Rr-Rm))*sin(theta))**2 //Directivity (unitless) +D_db = 10*log10(D) //Directivity (dBi) + +//Result +mprintf("The directivity is %.1f or %.1f dBi",D,D_db) |