You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.7 KiB
51 lines
1.7 KiB
#!/usr/bin/env python |
|
# -*- coding: utf-8 -*- |
|
# |
|
# Copyright 2016 <+YOU OR YOUR COMPANY+>. |
|
# |
|
# This 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. |
|
# |
|
# This software 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 this software; see the file COPYING. If not, write to |
|
# the Free Software Foundation, Inc., 51 Franklin Street, |
|
# Boston, MA 02110-1301, USA. |
|
# |
|
|
|
import numpy as np |
|
from gnuradio import gr |
|
|
|
class smooth_vectors(gr.decim_block): |
|
""" |
|
docstring for block smooth_vectors |
|
""" |
|
def __init__(self, vec_len,decim,moving_avg_len): |
|
gr.decim_block.__init__(self, |
|
name="smooth_vectors", |
|
in_sig=[(np.float32,vec_len)], |
|
out_sig=[(np.float32,vec_len)], decim=decim) |
|
self.vec_len=vec_len |
|
self.decim=decim |
|
self.moving_avg_len=moving_avg_len |
|
self.last_inputs=[] |
|
self.count=0 |
|
|
|
|
|
def work(self, input_items, output_items): |
|
in0 = input_items[0] |
|
out = output_items[0] |
|
self.last_inputs.insert(0,in0) |
|
out[:] =np.mean( np.array(self.last_inputs), axis=0 ) |
|
# <+signal processing here+> |
|
if len(self.last_inputs)>self.moving_avg_len: |
|
self.last_inputs.pop(len(self.last_inputs)-1)#remove last |
|
#out[:] = in0 |
|
return len(output_items[0]) |
|
|
|
|