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Diffstat (limited to '3773/CH17/EX17.7/Ex17_7.sce')
| -rw-r--r-- | 3773/CH17/EX17.7/Ex17_7.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3773/CH17/EX17.7/Ex17_7.sce b/3773/CH17/EX17.7/Ex17_7.sce new file mode 100644 index 000000000..2551c6bd7 --- /dev/null +++ b/3773/CH17/EX17.7/Ex17_7.sce @@ -0,0 +1,23 @@ +//Chapter 17: Antenna Temperature, Remote Sensing and Radar Cross Section +//Example 17-5.1 +clc; + +//Variable Initialization +f = 10e9 //Frequency (Hz) +wind_speed = 350 //Wind speed (km/h) +c = 3e8 //Speed of light (m/s) +vr = 1e3 //Differential velocity (m/h) + +//Calculations +wave_lt = c/f //Wavelength (m) +freq_shift = 2*(wind_speed*1000/3600)/wave_lt //Doppler Frequency shift (Hz) +T = 1/(2*freq_shift) //Pulse repetition interval (s) +prf = 1/T //Pulse repetition frequency (Hz) + +fmin = 2*(vr/3600)/wave_lt //Frequency resolution (Hz) +N = 1/((fmin)*T) //Number of pulses + +//Result +mprintf("The minimum pulse repetition frequency is %d Hz",prf) +mprintf("\nThe number of pulses to be sampled is %d", N) + |