Broadband Array Processing
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Broadband Array Processing
This book describes the background and technology of array signal modeling. It presents the concept and formulation of beamformers and discusses several commonly used array performance measures. It also introduces two traditional types of beamformers: delay-and-sum and optimum beamformers. Chapter 1 includes background information on array processing, while Chapters 2 and 3 discuss the DFT-based frequency-domain implementation of a broadband beamformer and the design of subband beamformers for frequency-domain broadband beamformers. Chapter 4 presents the FIR-based, time-domain implementation of the broadband beamformer, where the FIR beamformer is designed by separately designing the subband beamformers and the corresponding FIR filters. The techniques for optimal design of the FIR beamformer are developed in Chapter 5, and Chapters 6 and 7 focus on the modal beamforming problem for circular arrays for the frequency-domain modal beamformer and the time-domainmodal beamformer. Lastly, the final chapters present frequency-domain and time-domain modal beamformers for spherical arrays.
Optimum Array Processing
Author: Harry L. Van Trees
language: en
Publisher: John Wiley & Sons
Release Date: 2002-04-04
Array Processing ist eine wichtige Anwendung im Bereich der digitalen Signalverarbeitung. Eingesetzt wird sie u.a. in der Radar-, Sonar- und Kommuniktionstechnik, in der Seismologie und der Biomedizintechnik. Van Trees zweibändiges Werk 'Detection Estimation and Modulation Theory', das 1972 vom Wiley College Department herausgegeben wurde, war damals ein echter Klassiker. "Array Processing: Detection and Estimation Theory" ist das aktuellste und umfassendste Buch zu diesem Thema. Auf 1.400 Seiten wird die Array Signalverarbeitung umfassend und enzyklopädisch erläutert. Dabei werden auch alle modernen Anwendungen, von der Biomedizin bis hin zur drahtlosen Kommunikation berücksichtigt. Jedes Kapitel enthält eine Zusammenfassung, Beispiele und zahlreiche Problemstellungen. Der Stoff ist übersichtlich gegliedert und wird anschaulich und verständlich vermittelt. "Array Processing: Detection and Estimation Theory" ist ein topaktuelles Nachschlagewerk im Doppelpack: Zum Buch gehört die nachgedruckte Broschurausgabe des zweibändigen Vorgängertitels, der eine ideale Einführung in die komplexe Theorie bietet, die im aktuellen Band behandelt wird.
Microphone Array Signal Processing
Author: Jacob Benesty
language: en
Publisher: Springer Science & Business Media
Release Date: 2008-03-11
In the past few years we have written and edited several books in the area of acousticandspeechsignalprocessing. Thereasonbehindthisendeavoristhat there were almost no books available in the literature when we ?rst started while there was (and still is) a real need to publish manuscripts summarizing the most useful ideas, concepts, results, and state-of-the-art algorithms in this important area of research. According to all the feedback we have received so far, we can say that we were right in doing this. Recently, several other researchers have followed us in this journey and have published interesting books with their own visions and perspectives. The idea of writing a book on Microphone Array Signal Processing comes from discussions we have had with many colleagues and friends. As a c- sequence of these discussions, we came up with the conclusion that, again, there is an urgent need for a monograph that carefully explains the theory and implementation of microphone arrays. While there are many manuscripts on antenna arrays from a narrowband perspective (narrowband signals and narrowband processing), the literature is quite scarce when it comes to s- sor arrays explained from a truly broadband perspective. Many algorithms for speech applications were simply borrowed from narrowband antenna - rays. However, a direct application of narrowband ideas to broadband speech processing may not be necessarily appropriate and can lead to many m- understandings.