public static void generate_mixed_PSK_signal(int PSK_num, int[] symbols_in_message, double duration_of_signal, double Fd, double[] T, double[] Fc, int[] M, double[] init_phase, int[] samples_per_symbol, double[] A, out double[] t, alglib.complex[] noise, out alglib.complex[] mixed_signal_without_noise)
{
t = new double[0];
mixed_signal_without_noise = new alglib.complex[(int)(duration_of_signal * Fd)];
for (int i = 0; i < PSK_num; i++)
{
int[] message = new int[symbols_in_message[i]];
Random rand = new Random();
for (int j = 0; j < message.Length; j++)
{
message[j] = rand.Next(M[i]);
}
PSK psk = new PSK(M[i], init_phase[0], T[i], samples_per_symbol[i]);
alglib.complex[] signal;
PSK.create_RF_signal(psk.modulate(message), Fd, duration_of_signal, Fc[i], 1, out signal, out t);
psk_band_filtering(ref signal, 1.0 / T[i], Fd, Fc[i]);
double coeff = get_null_dB_mag(signal, noise, 1.0 / T[i], Fd);
double new_coeff = Math.Sqrt(coeff * coeff * Math.Pow(10, A[i] / 10.0));
for (int j = 0; j < signal.Length; j++)
{
mixed_signal_without_noise[j] += new_coeff * signal[j];
t[j] = j / Fd;
}
}
}
}//добавление АБГШ
public static void generate_mixed_PSK_signal(int PSK_num, int[] symbols_in_message, double duration_of_signal, double Fd, double[] T, double[] Fc, int[] M, double[] init_phase, int[] samples_per_symbol, double[] A, out double[] t, out alglib.complex[] mixed_signal)//Амплитуды в децибелах
{
t = new double[0];
mixed_signal = new alglib.complex[(int)(duration_of_signal * Fd)];
alglib.complex[] noise = create_AWGN(mixed_signal.Length);
for (int i = 0; i < PSK_num; i++)
{
int[] message = new int[symbols_in_message[i]];
Random rand = new Random();
for (int j = 0; j < message.Length; j++)
{
message[j] = rand.Next(M[i]);
}
PSK psk = new PSK(M[i], init_phase[0], T[i], samples_per_symbol[i]);
alglib.complex[] signal;
PSK.create_RF_signal(psk.modulate(message), Fd, duration_of_signal, Fc[i], 1, out signal, out t);
psk_band_filtering(ref signal, 1.0 / T[i], Fd, Fc[i]);
double coeff = get_null_dB_mag(signal, noise, 1.0 / T[i], Fd);
double new_coeff = Math.Sqrt(coeff * coeff * Math.Pow(10, A[i] / 10.0));
for (int j = 0; j < signal.Length; j++)
{
mixed_signal[j] += new_coeff * signal[j];
}
/*double signal_energ = 0;
double noise_energ = 0;
for (int j = 0; j < signal.Length; j++)
{
signal_energ += Math.Pow(alglib.math.abscomplex(new_coeff * signal[j]), 2);
}
for (int j = 0; j < noise.Length; j++)
{
noise_energ += Math.Pow(alglib.math.abscomplex(noise[j]), 2);
}
noise_energ = noise_energ * 2 * (1 / T[i]) / Fd;
double SNR = 10 * Math.Log10(signal_energ / noise_energ);*/
}
for (int j = 0; j < mixed_signal.Length; j++)
{
mixed_signal[j] += noise[j];
t[j] = j / Fd;
}
}
