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Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 202
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Book Description
Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 202
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 692
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Book Description
Author: Nicholas M Maslin
Publisher: CRC Press
ISBN: 0203168895
Category : Technology & Engineering
Languages : en
Pages : 256
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Book Description
Communications using the high frequency spectrum (2-30 MHz) have experienced a considerable resurgence. In recent years, powerful microcomputers and VLSI technology have greatly enhanced the prospects of overcoming many of the unique problems that formerly afflicted the HF systems More...designer. The aim of this book, therefore, is to provide a fi
Author: John M. Goodman
Publisher: Springer
ISBN:
Category : Juvenile Nonfiction
Languages : en
Pages : 664
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Book Description
Communications engineers, ionospheric scientists, engineers and scientists in DoD HF projects, and DoD managers will use this source to gain a working understanding of the basic theory involved in HF radiowave propagation and uses of HF technology today.
Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 152
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Book Description
Author: Bahram Honary
Publisher: Springer Science & Business Media
ISBN: 1461562791
Category : Technology & Engineering
Languages : en
Pages : 277
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Book Description
It is a great pleasure to be asked to write the Preface for this book on trellis decoding of error correcting block codes. The subject is extremely significant both theoretically and practically, and is very timely because of recent devel opments in the microelectronic implementation and range of application of error-control coding systems based on block codes. The authors have been notably active in signal processing and coding research and development for several years, and therefore very well placed to contribute to the state of the art on the subject of trellis decoding. In particular, the book represents a unique approach to many practical aspects of the topic. As the authors point out, there are two main classes of error control codes: block codes and convolutinal codes. Block codes came first historically and have a well-developed mathematical structure. Convolutional codes come later, and have developed heuristically, though a more formal treatment has emerged via recent developments in the theory of symbolic dynamics. Max imum likelihood (ML) decoding of powerful codes in both these classes is computationally complex in the general case; that is, ML decoding fails into the class of NP-hard computational problems. This arieses because the de coding complexity is an exponential function of key parameters of the code.
Author:
Publisher:
ISBN:
Category : Communications, Military
Languages : en
Pages : 1168
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Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 2080
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Author:
Publisher:
ISBN:
Category : Research
Languages : en
Pages : 234
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1002
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