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openwebrx-clone
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Use FFT averaging

This commit is contained in:
Tatu Peltola 2016-06-07 21:00:10 +03:00
parent fe31e6131f
commit 0eb1364cf7
1 changed files with 4 additions and 3 deletions
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7
plugins/dsp/csdr/plugin.py
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@ -26,7 +26,7 @@ import os
import code import code
import signal import signal
import fcntl import fcntl
fft_averages = 50
class dsp_plugin: class dsp_plugin:
def __init__(self): def __init__(self):
@ -58,7 +58,8 @@ class dsp_plugin:
if self.csdr_through: any_chain_base+="csdr through | " if self.csdr_through: any_chain_base+="csdr through | "
any_chain_base+=self.format_conversion+(" | " if self.format_conversion!="" else "") ##"csdr flowcontrol {flowcontrol} auto 1.5 10 | " any_chain_base+=self.format_conversion+(" | " if self.format_conversion!="" else "") ##"csdr flowcontrol {flowcontrol} auto 1.5 10 | "
if which == "fft": if which == "fft":
fft_chain_base = any_chain_base+"csdr fft_cc {fft_size} {fft_block_size} | csdr logpower_cf -70 | csdr fft_exchange_sides_ff {fft_size}" #fft_chain_base = any_chain_base+"csdr fft_cc {fft_size} {fft_block_size} | csdr logpower_cf -70 | csdr fft_exchange_sides_ff {fft_size}"
fft_chain_base = any_chain_base+"csdr fft_cc {fft_size} {fft_block_size} | csdr logaveragepower_cf -70 {fft_size} 50 | csdr fft_exchange_sides_ff {fft_size}"
if self.fft_compression=="adpcm": if self.fft_compression=="adpcm":
return fft_chain_base+" | csdr compress_fft_adpcm_f_u8 {fft_size}" return fft_chain_base+" | csdr compress_fft_adpcm_f_u8 {fft_size}"
else: else:
@ -118,7 +119,7 @@ class dsp_plugin:
self.fft_fps=fft_fps self.fft_fps=fft_fps
def fft_block_size(self): def fft_block_size(self):
return self.samp_rate/self.fft_fps return self.samp_rate/self.fft_fps/fft_averages
def set_format_conversion(self,format_conversion): def set_format_conversion(self,format_conversion):
self.format_conversion=format_conversion self.format_conversion=format_conversion