Computing Reviews
Today's Issue Hot Topics Search Browse Recommended My Account Log In
Review Help
Search
Alias-free products of signals near Nyquist rate
Davis C., Lorenz K., Goodman J., Stantchev G., Boglione L., Nousain B. IEEE Transactions on Signal Processing66 (16):4151-4159,2018.Type:Article
Date Reviewed: May 19 2020

When the nonlinear, complicated behavior of natural phenomena and man-made artifacts cannot be modeled perfectly by one-dimensional modeling, multidimensional modeling can be an effective alternative. It is an emerging technique in digital signal processing, with its special complexities.

The main theme of the paper is a comparative, technical discussion of two multidimensional (M-D) filtering methods to mitigate the aliasing in multilinear time-series signals. Based on sound engineering, “there are cases when the M-D filter can be applied more efficiently than a resampling filter.” The authors model the input-output, including stopband, passband, and transition regions, “to demonstrate the advantages of using the proposed M-D filter.” Next, they define a nonlinear optimization problem for finding filter coefficients.

The paper reports that the complexity of the solution increases as the dimension of the filter grows. Its presented contribution uses symmetries to reduce complexity and computational cost, that is, time-reversal symmetry “for a filter with linear phase and zero delay” and permutation symmetry. Experimental results for a generic baseband receiver front-end and its low-noise amplifier (LNA) are detailed.

Although the proposed techniques are not a general solution, the work is a significant attempt to solve a complicated issue.

Reviewer:  Mohammad Sadegh Kayhani Pirdehi Review #: CR146972 (2009-0229)
Bookmark and Share
  Featured Reviewer  
 
Signal Analysis, Synthesis, And Processing (H.5.5 ... )
 
 
Signal Processing Systems (C.3 ... )
 
Would you recommend this review?
yes
no
Other reviews under "Signal Analysis, Synthesis, And Processing": Date
Acoustic signal processing for telecommunication
Gay S., Benesty J. Kluwer Academic Publishers, Hingham, MA,2000. Type: Divisible Book
Oct 1 2000
Applications of digital signal processing to audio and acoustics
Kahrs M. (ed), Brandenburg K. (ed), Kluwer Academic Publishers, Norwell, MA, 1998.  584, Type: Book (9780792381303)
Jul 1 1999
A 4 GHz ΔΣ fractional-N frequency synthesizer
Ahola R., Halonen K. Analog Integrated Circuits and Signal Processing 34(2): 77-87, 2003. Type: Article
Jan 8 2004
more...

E-Mail This Printer-Friendly
Send Your Comments
Contact Us
Reproduction in whole or in part without permission is prohibited.   Copyright 1999-2024 ThinkLoud®
Terms of Use
| Privacy Policy