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Diffstat (limited to '3773/CH21/EX21.3/Ex21_3.sce')
| -rw-r--r-- | 3773/CH21/EX21.3/Ex21_3.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3773/CH21/EX21.3/Ex21_3.sce b/3773/CH21/EX21.3/Ex21_3.sce new file mode 100644 index 000000000..3c70e4c14 --- /dev/null +++ b/3773/CH21/EX21.3/Ex21_3.sce @@ -0,0 +1,16 @@ +//Chapter 21: Antenna Measurements +//Example 21-2.3 +clc; + +//Variable Initialization +D = 0.5 //Antenna diameter (m) +f = 300e9 //Frequency (Hz) +c = 3e8 //Speed of light (m/s) + +//Calculations +wave_lt = c/f //Wavelength (m) +r_ff = 2*(D**2)/wave_lt //Fraunhofer region (m) + +//Result +mprintf("The Fraunhofer region starts at a distance %d m", r_ff) +mprintf("\nAt 300 GHz the attenuation of the atmosphere is around 10dB/km making the measurement difficult in full-size ranges") |