diff options
Diffstat (limited to 'gr-digital/python/digital/bpsk.py')
| -rw-r--r-- | gr-digital/python/digital/bpsk.py | 104 |
1 files changed, 5 insertions, 99 deletions
diff --git a/gr-digital/python/digital/bpsk.py b/gr-digital/python/digital/bpsk.py index 2ecaac3386..3f26bafe94 100644 --- a/gr-digital/python/digital/bpsk.py +++ b/gr-digital/python/digital/bpsk.py @@ -23,14 +23,17 @@ BPSK modulation and demodulation. """ +from __future__ import absolute_import +from __future__ import unicode_literals + from math import pi, log from cmath import exp from gnuradio import gr from gnuradio.digital.generic_mod_demod import generic_mod, generic_demod from gnuradio.digital.generic_mod_demod import shared_mod_args, shared_demod_args -import digital_swig -import modulation_utils +from . import digital_swig +from . import modulation_utils # ///////////////////////////////////////////////////////////////////////////// # BPSK constellation @@ -40,112 +43,15 @@ def bpsk_constellation(): return digital_swig.constellation_bpsk() # ///////////////////////////////////////////////////////////////////////////// -# BPSK modulator -# ///////////////////////////////////////////////////////////////////////////// - -class bpsk_mod(generic_mod): - """ - Hierarchical block for RRC-filtered BPSK modulation. - - The input is a byte stream (unsigned char) and the - output is the complex modulated signal at baseband. - - Args: - mod_code: Argument is not used. It exists purely to simplify generation of the block in grc. - differential: Whether to use differential encoding (boolean). - """ - # See generic_mod for additional arguments - __doc__ += shared_mod_args - - def __init__(self, mod_code=None, differential=False, *args, **kwargs): - - constellation = digital_swig.constellation_bpsk() - super(bpsk_mod, self).__init__(constellation=constellation, - differential=differential, *args, **kwargs) - - -# ///////////////////////////////////////////////////////////////////////////// -# BPSK demodulator -# -# ///////////////////////////////////////////////////////////////////////////// - -class bpsk_demod(generic_demod): - """ - Hierarchical block for RRC-filtered BPSK demodulation. - - The input is the complex modulated signal at baseband and the - output is a stream of bits packed 1 bit per byte (LSB) - - Args: - mod_code: Argument is not used. It exists purely to simplify generation of the block in grc. - differential: whether to use differential encoding (boolean) - """ - # See generic_demod for additional arguments - __doc__ += shared_demod_args - - def __init__(self, mod_code=None, differential=False, *args, **kwargs): - constellation = digital_swig.constellation_bpsk() - super(bpsk_demod, self).__init__(constellation=constellation, - differential=differential, *args, **kwargs) -#bpsk_demod.__doc__ += shared_demod_args - - -# ///////////////////////////////////////////////////////////////////////////// # DBPSK constellation # ///////////////////////////////////////////////////////////////////////////// def dbpsk_constellation(): return digital_swig.constellation_dbpsk() -# ///////////////////////////////////////////////////////////////////////////// -# DBPSK modulator -# ///////////////////////////////////////////////////////////////////////////// - -class dbpsk_mod(bpsk_mod): - """ - Hierarchical block for RRC-filtered DBPSK modulation. - - The input is a byte stream (unsigned char) and the - output is the complex modulated signal at baseband. - - Args: - mod_code: Argument is not used. It exists purely to simplify generation of the block in grc. - """ - # See generic_mod for additional arguments - __doc__ += shared_mod_args - - def __init__(self, mod_code=None, *args, **kwargs): - - super(dbpsk_mod, self).__init__(differential=True, *args, **kwargs) - -# ///////////////////////////////////////////////////////////////////////////// -# DBPSK demodulator -# -# ///////////////////////////////////////////////////////////////////////////// - -class dbpsk_demod(bpsk_demod): - """ - Hierarchical block for RRC-filtered DBPSK demodulation. - - The input is the complex modulated signal at baseband and the - output is a stream of bits packed 1 bit per byte (LSB) - - Args: - mod_code: Argument is not used. It exists purely to simplify generation of the block in grc. - """ - # See generic_demod for additional arguments - __doc__ += shared_demod_args - - def __init__(self, mod_code=None, *args, **kwargs): - - super(dbpsk_demod, self).__init__(differential=True, *args, **kwargs) # # Add these to the mod/demod registry # -modulation_utils.add_type_1_mod('bpsk', bpsk_mod) -modulation_utils.add_type_1_demod('bpsk', bpsk_demod) modulation_utils.add_type_1_constellation('bpsk', bpsk_constellation) -modulation_utils.add_type_1_mod('dbpsk', dbpsk_mod) -modulation_utils.add_type_1_demod('dbpsk', dbpsk_demod) modulation_utils.add_type_1_constellation('dbpsk', dbpsk_constellation) |