def chirp_recv(t, Tp, K, Fc, a=1., g=1., r=1e3):
Sr = 0.
for gi, ri in zip(g, r):
tau = 2. * ri / C
tt = t - tau # do not use t -= tau, this will change t out this function
Sr += gi * rect(
tt / Tp) * th.exp(2j * PI * Fc * tt + 1j * PI * K * tt**2)
return Sr
def recv(self, t, g, r):
Sr = 0.
for gi, ri in zip(g, r):
td = 2. * ri / self.C
tt = t - td # do not use t -= td, this will change t out this function
Sr += self.a * gi * rect(
tt / self.Tp) * th.exp(2j * self.PI * self.Fc * tt +
1j * self.PI * self.K * tt**2)
return Sr
def tran(self, t):
return self.a * rect(
t / self.Tp) * th.exp(2j * self.PI * self.Fc * t +
1j * self.PI * self.K * t**2)
def chirp_tran(t, Tp, K, Fc, a=1.):
return a * rect(t / Tp) * th.exp(2j * PI * Fc * t + 1j * PI * K * t**2)
def sar_recv(t, tau, Tp, Kr, Fc, A=1.):
t = t - tau
return A * rect(t / Tp) * th.exp(2j * PI * Fc * t + 1j * PI * Kr * t**2)
def sar_tran(t, Tp, Kr, Fc, A=1.):
return A * rect(t / Tp) * th.exp(2j * PI * Fc * t + 1j * PI * Kr * t**2)