Filter¶

class acoular.tprocess.Filter¶

Bases: acoular.tprocess.TimeInOut

Abstract base class for IIR filters based on scipy lfilter implements a filter with coefficients that may be changed during processing

Should not be instanciated by itself

ba = Property()¶

Filter coefficients

result(num)¶

Python generator that yields the output block-wise.

Parameters

numinteger

This parameter defines the size of the blocks to be yielded (i.e. the number of samples per block).

Returns

Samples in blocks of shape (num, numchannels).

Delivers the bandpass filtered output of source. The last block may be shorter than num.