Imported Upstream version 3.2.2

[debian/gnuradio] / gnuradio-core / src / python / gnuradio / blksimpl / wfm_tx.py

diff --git a/gnuradio-core/src/python/gnuradio/blksimpl/wfm_tx.py b/gnuradio-core/src/python/gnuradio/blksimpl/wfm_tx.py
deleted file mode 100644 (file)
index 89528a8..0000000
--- a/gnuradio-core/src/python/gnuradio/blksimpl/wfm_tx.py
+++ /dev/null
@@ -1,79 +0,0 @@
-#
-# Copyright 2005 Free Software Foundation, Inc.
-# 
-# This file is part of GNU Radio
-# 
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-# 
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-# 
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING.  If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-# 
-
-import math
-from gnuradio import gr, optfir
-from gnuradio.blksimpl.fm_emph import fm_preemph
-
-class wfm_tx(gr.hier_block):
-    def __init__(self, fg, audio_rate, quad_rate, tau=75e-6, max_dev=75e3):
-        """
-        Wide Band FM Transmitter.
-
-        Takes a single float input stream of audio samples in the range [-1,+1]
-        and produces a single FM modulated complex baseband output.
-
-        @param fg: flow graph
-        @param audio_rate: sample rate of audio stream, >= 16k
-        @type audio_rate: integer
-        @param quad_rate: sample rate of output stream
-        @type quad_rate: integer
-        @param tau: preemphasis time constant (default 75e-6)
-        @type tau: float
-        @param max_dev: maximum deviation in Hz (default 75e3)
-        @type max_dev: float
-
-        quad_rate must be an integer multiple of audio_rate.
-        """
-        
-        # FIXME audio_rate and quad_rate ought to be exact rationals
-        audio_rate = int(audio_rate)
-        quad_rate = int(quad_rate)
-
-        if quad_rate % audio_rate != 0:
-            raise ValueError, "quad_rate is not an integer multiple of audio_rate"
-
-        
-        do_interp = audio_rate != quad_rate
-        
-        if do_interp:
-            interp_factor = quad_rate / audio_rate
-            interp_taps = optfir.low_pass (interp_factor,   # gain
-                                           quad_rate,       # Fs
-                                           16000,           # passband cutoff
-                                           18000,           # stopband cutoff
-                                           0.1,            # passband ripple dB
-                                           40)              # stopband atten dB
-
-            print "len(interp_taps) =", len(interp_taps)
-            self.interpolator = gr.interp_fir_filter_fff (interp_factor, interp_taps)
-
-        self.preemph = fm_preemph (fg, quad_rate, tau=tau)
-        
-        k = 2 * math.pi * max_dev / quad_rate
-        self.modulator = gr.frequency_modulator_fc (k)
-
-        if do_interp:
-            fg.connect (self.interpolator, self.preemph, self.modulator)
-            gr.hier_block.__init__(self, fg, self.interpolator, self.modulator)
-        else:
-            fg.connect(self.preemph, self.modulator)
-            gr.hier_block.__init__(self, fg, self.preemph, self.modulator)