gnuradio::blks2impl::logpwrfft::_logpwrfft_base Class Reference

! Create a log10(abs(fft)) stream chain, with real or complex input. More...

Inheritance diagram for gnuradio::blks2impl::logpwrfft::_logpwrfft_base:

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List of all members.

Public Member Functions
def	__init__
	! Create an log10(abs(fft)) stream chain.
def	set_sample_rate
	! Set the new sampling rate
def	set_average
	! Set the averaging filter on/off.
def	set_avg_alpha
	! Set the average alpha and set the taps if average was on.
def	average
	! Return whether or not averaging is being performed.
def	avg_alpha
	! Return averaging filter constant.

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Detailed Description

! Create a log10(abs(fft)) stream chain, with real or complex input.

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Member Function Documentation

def gnuradio::blks2impl::logpwrfft::_logpwrfft_base::__init__	(		self,
			sample_rate,
			fft_size,
			ref_scale,
			frame_rate,
			avg_alpha,
			average
	)

! Create an log10(abs(fft)) stream chain.

Provide access to the setting the filter and sample rate.

Parameters:

	sample_rate	Incoming stream sample rate
	fft_size	Number of FFT bins
	ref_scale	Sets 0 dB value input amplitude
	frame_rate	Output frame rate
	avg_alpha	FFT averaging (over time) constant [0.0-1.0]
	average	Whether to average [True, False]

def gnuradio::blks2impl::logpwrfft::_logpwrfft_base::average

(

self

)

! Return whether or not averaging is being performed.

def gnuradio::blks2impl::logpwrfft::_logpwrfft_base::avg_alpha

(

self

)

! Return averaging filter constant.

def gnuradio::blks2impl::logpwrfft::_logpwrfft_base::set_average	(		self,
			average
	)

! Set the averaging filter on/off.

Parameters:

average

true to set averaging on

def gnuradio::blks2impl::logpwrfft::_logpwrfft_base::set_avg_alpha	(		self,
			avg_alpha
	)

! Set the average alpha and set the taps if average was on.

Parameters:

avg_alpha

the new iir filter tap

def gnuradio::blks2impl::logpwrfft::_logpwrfft_base::set_sample_rate	(		self,
			sample_rate
	)

! Set the new sampling rate

Parameters:

sample_rate

the new rate

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The documentation for this class was generated from the following file:

• logpwrfft.py