Non-recursive half-band filter

Details Non-recursive half-band filter Non-recursive half-band filter

H - Electricity

03

H

328/0.6

H03H 17/06 (2006.01)

Patent

CA 1281382

Abstract The present invention relates to a non-recursive half-band filter and permits the conversion of a real input signal into a complex output signal, in that its impulse response is modulated onto the complex carrier of a frequency of a 1/4 of the sampling frequency, with the zero phase of this frequency amounting to integer multiples of .pi./2, and with the sampling rate being halved (figure 3), and also permits the conversion of a complex input signal into a real output signal, in that its pulse response is modulated onto the complex carrier of a frequency of the half input sampling rate, the zero phase of this frequency being integer multiples of .pi./2 and the sampling fequency being doubled.

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