diff options
| author | Sebastian Koslowski <koslowski@kit.edu> | 2014-01-04 01:52:38 +0100 |
|---|---|---|
| committer | Sebastian Koslowski <koslowski@kit.edu> | 2014-01-04 02:05:29 +0100 |
| commit | d0d7585af59f22416897534516a1b5b021e6e318 (patch) | |
| tree | 332fe9d4b1b38d926fd2a7b2f8b1be5532cb24d2 /gr-analog/python/analog/fm_emph.py | |
| parent | e751e54aaeae1eb47b83169d905331b4c704b431 (diff) | |
analog: white-space fixes
Diffstat (limited to 'gr-analog/python/analog/fm_emph.py')
| -rw-r--r-- | gr-analog/python/analog/fm_emph.py | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/gr-analog/python/analog/fm_emph.py b/gr-analog/python/analog/fm_emph.py index 2821f6e3cd..d2a38d4aff 100644 --- a/gr-analog/python/analog/fm_emph.py +++ b/gr-analog/python/analog/fm_emph.py @@ -34,25 +34,25 @@ import math # See "Digital Signal Processing: A Practical Approach" by Ifeachor and Jervis # + class fm_deemph(gr.hier_block2): """ FM Deemphasis IIR filter. """ - def __init__(self, fs, tau=75e-6): """ - + Args: fs: sampling frequency in Hz (float) tau: Time constant in seconds (75us in US, 50us in EUR) (float) """ gr.hier_block2.__init__(self, "fm_deemph", - gr.io_signature(1, 1, gr.sizeof_float), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Output signature + gr.io_signature(1, 1, gr.sizeof_float), # Input signature + gr.io_signature(1, 1, gr.sizeof_float)) # Output signature w_p = 1/tau - w_pp = math.tan(w_p / (fs * 2)) # prewarped analog freq + w_pp = math.tan(w_p / (fs * 2)) # prewarped analog freq a1 = (w_pp - 1)/(w_pp + 1) b0 = w_pp/(1 + w_pp) @@ -68,7 +68,7 @@ class fm_deemph(gr.hier_block2): plot1 = gru.gnuplot_freqz(gru.freqz(btaps, ataps), fs, True) deemph = filter.iir_filter_ffd(btaps, ataps) - self.connect(self, deemph, self) + self.connect(self, deemph, self) # # 1 + s*t1 @@ -119,21 +119,21 @@ class fm_deemph(gr.hier_block2): # See "Digital Signal Processing: A Practical Approach" by Ifeachor and Jervis # + class fm_preemph(gr.hier_block2): """ FM Preemphasis IIR filter. """ def __init__(self, fs, tau=75e-6): """ - + Args: fs: sampling frequency in Hz (float) tau: Time constant in seconds (75us in US, 50us in EUR) (float) """ - - gr.hier_block2.__init__(self, "fm_deemph", - gr.io_signature(1, 1, gr.sizeof_float), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Output signature + gr.hier_block2.__init__(self, "fm_deemph", + gr.io_signature(1, 1, gr.sizeof_float), # Input signature + gr.io_signature(1, 1, gr.sizeof_float)) # Output signature # FIXME make this compute the right answer @@ -147,4 +147,4 @@ class fm_preemph(gr.hier_block2): plot2 = gru.gnuplot_freqz(gru.freqz(btaps, ataps), fs, True) preemph = filter.iir_filter_ffd(btaps, ataps) - self.connect(self, preemph, self) + self.connect(self, preemph, self) |