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activate fft averaging on the secondary fft

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This commit is contained in:
Jakob Ketterl
2020-09-17 22:43:39 +02:00
parent 6a6d4a3c9b
commit b9e19421c1
3 changed files with 10 additions and 4 deletions
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10
csdr/csdr.py
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@ -279,7 +279,9 @@ class dsp(object):
if which == "fft":
chain += [
"csdr fft_cc {secondary_fft_input_size} {secondary_fft_block_size}",
"csdr logpower_cf -70",
"csdr logpower_cf -70"
if self.fft_averages == 0
else "csdr logaveragepower_cf -70 {secondary_fft_size} {fft_averages}",
"csdr fft_exchange_sides_ff {secondary_fft_input_size}",
]
if self.fft_compression == "adpcm":
@ -318,7 +320,10 @@ class dsp(object):
self.restart()
def secondary_fft_block_size(self):
return (self.samp_rate / self.decimation) / self.fft_fps
if self.fft_averages == 0:
return (self.samp_rate / self.decimation) / self.fft_fps
else:
return (self.samp_rate / self.decimation) / self.fft_fps / self.fft_averages
def secondary_decimation(self):
return 1 # currently unused
@ -383,6 +388,7 @@ class dsp(object):
secondary_fft_input_size=self.secondary_fft_size,
secondary_fft_size=self.secondary_fft_size,
secondary_fft_block_size=self.secondary_fft_block_size(),
fft_averages=self.fft_averages,
)
logger.debug("secondary command (fft) = %s", secondary_command_fft)