Delete 8_Utils directory

2026-04-02 01:03:40 +01:00
parent cfbe6d2bd4
commit 81bf4cabbb
22 changed files with 0 additions and 19288 deletions
@@ -1,41 +0,0 @@
-import numpy as np
-from numpy.fft import fft, ifft
-import matplotlib.pyplot as plt
-
-
-fs=125*pow(10,6) #sampling frequency
-Ts=1/fs # sampling time
-Tb=0.5*pow(10,-6) # burst time
-Tau=900*pow(10,-6) # pulse repetition time
-fmax=30*pow(10,6) # maximum frequency on ramp
-fmin=10*pow(10,6) # minimum frequency on ramp
-n=int(Tb/Ts) # number of samples per ramp
-N = np.arange(0, n, 1)
-theta_n= 2*np.pi*(pow(N,2)*pow(Ts,2)*(fmax-fmin)/(2*Tb)+fmin*N*Ts) # instantaneous phase
-
-y = 1 + np.sin(theta_n) # ramp signal in time domain
-
-t = Ts*np.arange(0,n,1)
-Y = fft(y)
-M =len(Y)
-m = np.arange(M)
-T = M*Ts
-freq = m/T
-
-
-plt.figure(figsize = (12, 6))
-plt.subplot(121)
-plt.stem(freq, np.abs(Y), 'b', \
-         markerfmt=" ", basefmt="-b")
-plt.xlabel('Freq (Hz)')
-plt.ylabel('FFT Amplitude |Y(freq)|')
-plt.xlim(0, (1.3*fmax))
-plt.ylim(0, 60)
-
-plt.subplot(122)
-plt.plot(t, ifft(Y), 'r')
-plt.xlabel('Time (s)')
-plt.ylabel('Amplitude')
-plt.tight_layout()
-
-plt.show()