Compression of Location Signals Based on Chirp-Signals and Noise-Like Codes
Methods of digital locations have superiority over analog methods because they ensure higher resolution, reliability and elasticity in adaptive sphere. In location the short noise-like codes are widely used apart from chirp-signals. The connection of these kinds of signals may assure additional advantages, but it was not studied sufficiently up until now. The purpose of this work is to improve the compression of proposed kinds of signals by their common use in one location system by using non-linear operations on convolution results. This work also presents structures of receiving systems based on the use of matching filters, which realize the discussed approaches.
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Document Type: Research Article
Publication date: 2002-09-01
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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