def test_flip(self, adjust, shiftN):
Np = 2**15-1
N = 2*Np
s = signals.SignalQAMGrayCoded(16, N, bitclass=signals.PRBSBits)
sig = s[0]
syms = s.symbols[0]
syms2 = np.roll(syms, shift=shiftN)
(tx, rx), acm = ber_functions.sync_and_adjust(syms, syms2, adjust=adjust)
npt.assert_allclose(tx, rx)
(tx, rx), acm = ber_functions.sync_and_adjust(syms2, syms, adjust=adjust)
npt.assert_allclose(tx, rx)
def test_slices_length(self, rx_longer, adjust):
x = np.arange(1000.)
xx = np.tile(x, 3)
y = xx[11:1000+3*11]
y_equal = xx[11:1000+1*11]
if rx_longer is None:
tx = x
rx = y_equal
else:
if adjust == "tx":
if rx_longer:
rx = y
tx = x
else:
rx = x
tx = y
elif adjust == "rx":
if rx_longer:
rx = y
tx = x
else:
rx = x
tx = y
(tx, rx), acm = ber_functions.sync_and_adjust(tx, rx, adjust=adjust)
assert tx.shape == rx.shape
def test_slices(self, rx_longer, adjust):
x = np.arange(1000.)
xx = np.tile(x, 3)
y = xx[110:1000 + 3 * 110]
ym = xx[110:1000 - 3 * 110]
y_equal = xx[110:1000 + 1 * 110]
if rx_longer is None:
tx = x
rx = y_equal
else:
if adjust == "tx":
if rx_longer:
rx = y
tx = x
else:
rx = ym
tx = x
elif adjust == "rx":
if rx_longer:
rx = x
tx = ym
else:
rx = x
tx = y
(tx, rx), acm = ber_functions.sync_and_adjust(tx, rx, adjust=adjust)
npt.assert_array_almost_equal(tx, rx)
def test_rotated_and_diff_length(self, adjust, tx_i, rx_i, N1, N2, shiftN):
Np = 2**15-1
N = 2*Np
s = signals.SignalQAMGrayCoded(16, N, bitclass=signals.PRBSBits)
sig = s[0]
syms = s.symbols[0]
syms2 = np.roll(syms, shift=shiftN)
(tx, rx), acm = ber_functions.sync_and_adjust(syms[:N1]*1j**tx_i, syms2[:N2]*1j**rx_i, adjust=adjust)
npt.assert_allclose(tx, rx)
def test_length(self, N1, N2, adjust):
sig = self.s[0]
N = self.s.shape[1]
syms = self.s.symbols[0]
(tx, rx), acm = ber_functions.sync_and_adjust(sig[:N1], sig[:N2], adjust=adjust)
if N1 is None and adjust == "tx":
assert (tx.shape[0] == N2) and (rx.shape[0] == N2)
elif N2 is None and adjust == "rx":
assert (tx.shape[0] == N1) and (rx.shape[0] == N1)
else:
assert (tx.shape[0] == N) and (rx.shape[0] == N)
def test_slices_data_rx(self, N, tx_longer):
s = signals.SignalQAMGrayCoded(4, 2**16)[0]
ss = np.tile(s, 3)
if tx_longer is None:
y = ss[N:2**16+N]
elif tx_longer:
y = ss[N:2**16+2*N]
else:
y = ss[N:2**16-2*N]
(tx, rx), acm = ber_functions.sync_and_adjust(y, s, adjust="rx")
npt.assert_array_almost_equal(tx,rx)
def test_length_with_shift(self, N0, shiftN, adjust):
sig = self.s[0]
N = self.s.shape[1]
N1, N2 = N0
sign = np.roll(sig, shiftN)
(tx, rx), acm = ber_functions.sync_and_adjust(sig[:N1], sign[:N2], adjust=adjust)
if N1 is None and adjust is "tx":
assert (tx.shape[0] == N2) and (rx.shape[0] == N2)
elif N2 is None and adjust is "rx":
assert (tx.shape[0] == N1) and (rx.shape[0] == N1)
else:
assert (tx.shape[0] == N) and (rx.shape[0] == N)
