lili/amodem
1
0
Fork 0
mirror of https://github.com/romanz/amodem.git synced 2026-02-08 10:28:00 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix test_sigproc

Browse Source
This commit is contained in:
Roman Zeyde
2014-07-06 17:52:07 +03:00
committed by Roman Zeyde
parent a982e38b74
commit ca5f3f18fa
1 changed files with 4 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
test_sigproc.py
View File

@@ -1,8 +1,6 @@
import sigproc
import itertools
import common
import show
import pylab
import numpy as np
def test_qam():
@@ -15,10 +13,10 @@ def test_qam():
def test_drift():
fc = 10e3
f = fc * (1 + 50e-6)
df = 1.23
f = fc + df
x = np.cos(2 * np.pi * f / common.Fs * np.arange(common.Fs))
S = sigproc.extract_symbols(x, fc)
S = np.array(list(S))
print 1e6 * sigproc.drift(S) / (fc * common.Tsym)
show.constellation(S, 'carrier')
pylab.show()
df_ = sigproc.drift(S) / common.Tsym
assert abs(df - df_) < 1e-5, (df, df_)