By Bingo Wing-Kuen Ling, Charlotte Yuk-Fan Ho (auth.), Amitava Chatterjee, Hadi Nobahari, Patrick Siarry (eds.)
There were major advancements within the layout and alertness of algorithms for either one-dimensional sign processing and multidimensional sign processing, specifically photograph and video processing, with the new concentration altering from a step by step approach of designing the set of rules first and following up with in-depth research and function development to in its place employing heuristic-based how you can resolve signal-processing difficulties.
In this e-book the contributing authors exhibit either general-purpose algorithms and people geared toward fixing really good program difficulties, with a different emphasis on heuristic iterative optimization equipment making use of smooth evolutionary and swarm intelligence established concepts. The purposes thought of are in domain names resembling communications engineering, estimation and monitoring, electronic clear out layout, instant sensor networks, bioelectric sign category, photograph denoising, and photograph function monitoring.
The booklet offers fascinating, state of the art methodologies for fixing real-world difficulties and it's a compatible reference for researchers and engineers within the parts of heuristics and sign processing.
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Extra resources for Advances in Heuristic Signal Processing and Applications
A number of robust designs can be cast as optimization problems which end up in the so-called second-order cone (SOC) program, which can be solved with interior point methods and have a computational cost that is super-cubic in the number of parameters of the beamformer. This poses a problem for beamforming systems that have a large number of parameters and operate in time-varying scenarios, which requires the beamformer to be recomputed periodically. A robust technique for short-data record scenarios is reduced-rank signal processing [18–30], which is very well suited for systems with a large number of parameters.
Nβ − 1}. 12) where • φ l (n) = [φl0 (n), φl1 (n), . . , φl(Nβ −1) (n)]T represents an equivalent sparsitybased modeling of φ l (n); • ζ l = [ζl0 , ζl1 , . . , ζli = xlp 0 if i = p, otherwise. 12) and following the approach presented in Sect. 14) where • = [(A (0))T . . (A (N − 1))T ]T is an LN × LNβ sparse-measurement matrix containing all the viable Doppler information in terms of the L × LNβ dimensional matrices (n) = blkdiag(φ 0 (n)T , φ 1 (n)T , . . , φ L−1 (n)T ); • ζ = [ζ T0 , ζ T1 , .
C. de Lamare for a signal impinging at angle θl , l = 1, 2, . . , K, where ds = λc /2 is the interelement spacing, λc is the wavelength and (·)T denotes the transpose operation. The vector n(i) denotes the complex vector of sensor noise, which is assumed to be zero-mean and Gaussian with covariance matrix σ 2 I . 3 Problem Statement and Design of Adaptive Beamformers In this section, the problem of designing robust beamforming algorithms against steering vector mismatches is stated. The design of robust full-rank and reducedrank LCMV beamformers is introduced along with the modeling of steering vector mismatches.