diff options
Diffstat (limited to 'gr-wxgui/python/wxgui/fftsink_nongl.py')
| -rw-r--r-- | gr-wxgui/python/wxgui/fftsink_nongl.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gr-wxgui/python/wxgui/fftsink_nongl.py b/gr-wxgui/python/wxgui/fftsink_nongl.py index be69e41578..c63f0fb268 100644 --- a/gr-wxgui/python/wxgui/fftsink_nongl.py +++ b/gr-wxgui/python/wxgui/fftsink_nongl.py @@ -136,17 +136,17 @@ class fft_sink_f(gr.hier_block2, fft_sink_base): for tap in mywindow: power += tap*tap - self.c2mag = blocks.complex_to_mag(self.fft_size) + self.c2magsq = blocks.complex_to_mag_squared(self.fft_size) self.avg = grfilter.single_pole_iir_filter_ff(1.0, self.fft_size) # FIXME We need to add 3dB to all bins but the DC bin - self.log = blocks.nlog10_ff(20, self.fft_size, + self.log = blocks.nlog10_ff(10, self.fft_size, -20*math.log10(self.fft_size) # Adjust for number of bins -10*math.log10(power/self.fft_size) # Adjust for windowing loss -20*math.log10(ref_scale/2)) # Adjust for reference scale self.sink = blocks.message_sink(gr.sizeof_float * self.fft_size, self.msgq, True) - self.connect(self, self.s2p, self.one_in_n, self.fft, self.c2mag, self.avg, self.log, self.sink) + self.connect(self, self.s2p, self.one_in_n, self.fft, self.c2magsq, self.avg, self.log, self.sink) self.win = fft_window(self, parent, size=size) self.set_average(self.average) @@ -183,17 +183,17 @@ class fft_sink_c(gr.hier_block2, fft_sink_base): for tap in mywindow: power += tap*tap - self.c2mag = blocks.complex_to_mag(self.fft_size) + self.c2magsq = blocks.complex_to_mag_squared(self.fft_size) self.avg = grfilter.single_pole_iir_filter_ff(1.0, self.fft_size) # FIXME We need to add 3dB to all bins but the DC bin - self.log = blocks.nlog10_ff(20, self.fft_size, + self.log = blocks.nlog10_ff(10, self.fft_size, -20*math.log10(self.fft_size) # Adjust for number of bins -10*math.log10(power/self.fft_size) # Adjust for windowing loss -20*math.log10(ref_scale/2)) # Adjust for reference scale self.sink = blocks.message_sink(gr.sizeof_float * self.fft_size, self.msgq, True) - self.connect(self, self.s2p, self.one_in_n, self.fft, self.c2mag, self.avg, self.log, self.sink) + self.connect(self, self.s2p, self.one_in_n, self.fft, self.c2magsq, self.avg, self.log, self.sink) self.win = fft_window(self, parent, size=size) self.set_average(self.average) |