Performance analysis of LMS adaptive prediction filters

JR Zeidler - Proceedings of the IEEE, 1990 - ieeexplore.ieee.org
The conditions required to implement real-time adaptive prediction filters that provide nearly
optimal performance in realistic input conditions are delineated. The effects of signal …

An adaptive IIR structure for sinusoidal enhancement, frequency estimation, and detection

D Hush, N Ahmed, R David… - IEEE transactions on …, 1986 - ieeexplore.ieee.org
An adaptive IIR structure for processing a sinusoidal signal in broad-band noise is
introduced. The structure contains three adaptive processors, each of which is …

Complete parallel narrowband active noise control systems

CY Chang, SM Kuo - IEEE transactions on audio, speech, and …, 2013 - ieeexplore.ieee.org
Conventional parallel-form narrowband active noise control (ANC) systems use multiple
adaptive filters that are updated by the same error signal. This paper performs theoretical …

Frequency tracking using constrained adaptive notch filters synthesised from allpass sections

JA Chambers, AG Constantinides - IEE Proceedings F (Radar and Signal …, 1990 - IET
New constrained adaptive notch filter structures are proposed. These structures are
synthesised from allpass filter sections, which are realised as structurally lossless bounded …

Adaptive carrier recovery systems for digital data communications receivers

RL Cupo, RD Gitlin - IEEE journal on Selected Areas in …, 1989 - ieeexplore.ieee.org
Adaptive or predictive carrier recovery systems, which are essential in high-performance
quadrature-amplitude-modulated (QAM) data communications systems to correct for phase …

Detection of multiple sinusoids using an adaptive cascaded structure

N Ahmed, D Hush, G Elliott… - ICASSP'84. IEEE …, 1984 - ieeexplore.ieee.org
Detection of multiple sinusoids using an adaptive cascaded structure Page 1 DETECTIG' OF
WLTIPLE SINUSOIDS USING AN ADAPTIVE CASCADED STRUCTURE N. Ahmed and D …

Pitch detection using a tunable IIR filter

JE Lane - Computer Music Journal, 1990 - JSTOR
(D (n) algorithm s (n)(n) ie, the sign of't (n)) where-I (n)= x (n---n where rp (n)= x (n-1) y (n)-y
(n-1) x (n) direction of the scan must be reversed. In other words, if the operator observes the …

A gradient algorithm for center-frequency adaptive recursive bandpass filters

RVR Kumar, RN Pal - Proceedings of the IEEE, 1985 - ieeexplore.ieee.org
Mean-square output of a center-frequency variable bandpass filter is employed as the
performance criterion to make the filter self-adjusting to the center frequency of the input …

New adaptive IIR notch filter and its application to howling control in speakerphone system

SM Kuo, J Chen - Electronics Letters, 1992 - infona.pl
A new second order IIR adaptive notch filter which has a faster convergence rate was
developed to control howling in a speakerphone system. Simulation results obtained using …

An IIR adaptive line enhancer with controlled bandwidth

B Farhang-Boroujeny - IEEE transactions on signal processing, 1997 - ieeexplore.ieee.org
A previously proposed IIR adaptive line enhancer (ALE) is explored further. We propose a
mechanism for controlling the bandwidth of the ALE in an adaptive manner. The proposed …