Equalizers and Constant-q
نویسندگان
چکیده
Rick Chinn is a working sound engineer who has been involved in all facets of recording, sound reinforcement and acoustical design for the past fifteen years. He has written articles for Modern Recording and Music, Music and Sound Output and A/V Video and has worked for TAPCO and Kaye-Smith studios.
منابع مشابه
On the convergence of blind adaptive equalizers for constant modulus signals
This paper studies the behavior of the error sequence of stop-and-go variants of two adaptive blind equalizers, namely CMA2-2 and Sato’s algorithm. It is shown that for transmitted signals with constant modulus , the equalizer output can be made to lie within the circle of radius p c infinitely often, for some value of c that is only slightly larger than one.
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This paper proposes two nonlinear blind equalizers: the nonlinear constant modulus algorithm (NCMA) and the nonlinear modified constant modulus algorithm (NCMA) by applying a nonlinear transfer function (NTF) into constant modulus algorithm (CMA) and modified constant modulus algorithm (MCMA), respectively. The effect of the NTF on CMA and MCMA is theoretically analyzed, which implies that the ...
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Underwater acoustic communication systems suffer from the channel impairments which results in time spreading of the transmitted signal. In underwater environment, multiple replicas of the transmitted signal are received at the receiver through different paths, which causes significant Inter-Symbol Interference (ISI). Decision Feedback Equalizers (DFE) was utilized to overcome this type of inte...
متن کاملBlind equalizers for multipath channels with best equalization delay
Recent studies show that equalizers with different equalization delays achieve different performances. The best performed equalizer is not necessarily the one with 0-delay, and often not the case when the channel is non-minimum-phase. In this paper, a blind channel equalization algorithm is presented, by which equalizers with all possible equalization delays can be calculated simultaneously fro...
متن کاملBurst mode equalization: optimal approach and suboptimal continuous-processing approximation
We consider a transmission by burst where the data are organized and sent by bursts. At each end of the burst of data, a sequence of symbols is assumed known, and the channel considered as constant over the burst duration. The optimal structure of the burst mode equalizers is derived. The class of linear and decision feedback equalizers is considered, as well the class of ISI cancelers that use...
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تاریخ انتشار 1999