Title :
A differentiating digital product detector of variable delay
Author :
Hermanowicz, Eva
Author_Institution :
Fac. of Electron., Tech. Univ. Gdansk, Poland
fDate :
5/1/1996 12:00:00 AM
Abstract :
This paper presents a technique for obtaining digitally samples of the kth-order derivative of the in-phase and quadrature components of a discrete-time bandpass signal, using an extended programmable version of a digital product detector (DPD) of variable noninteger delay. The programmability of the design is achieved by using an approximation based on a maximally flat frequency response error criterion.
Keywords :
approximation theory; delays; demodulation; differentiating circuits; discrete time systems; frequency response; signal detection; signal sampling; approximation; differentiating digital product detector; discrete-time bandpass signal; in-phase components; maximally flat frequency response error; programmable design; quadrature components; samples; variable noninteger delay; Alternators; Band pass filters; Baseband; Delay; Detectors; Digital filters; Frequency response; Interpolation; Sampling methods; Signal design;
Journal_Title :
Signal Processing Letters, IEEE
