Radio Advertising  Radio Sport  Internet Radio  Hd Radio Free Radio  Radio Frequency  Satellite Radio  Radio Control Frequency Methods In Oscillation Theory RRP $519.99 The linear theory of oscillations traditionally operates with frequency representaÂ tions based on the concepts of a transfer function and a frequency response. The universality of the critria of Nyquist and Mikhailov and the simplicity and obviÂ ousness of the application of frequency and amplitude  frequency characteristics in analysing forced linear oscillations greatly encouraged the development of practiÂ cally important nonlinear theories based on various forms of the harmonic balance hypothesis [303]. Therefore mathematically rigorous frequency methods of investiÂ gating nonlinear systems, which appeared in the 60s, also began to influence many areas of nonlinear theory of oscillations. First in this sphere of influence was a wide range of problems connected with multidimensional analogues of the famous van der Pol equation describing autoÂ oscillations of generators of various radiotechnical devices. Such analogues have as a rule a unique unstable stationary point in the phase space and are Levinson disÂ sipative. One of the pioneering works in this field, which started the investigation of a threedimensional analogue of the van der Pol equation, was K. O. Friedrichs's paper [123]. The author suggested a scheme for constructing a positively invariant set homeomorphic to a torus, by means of which the existence of nontrivial periodic solutions was established. That scheme was then developed and improved for difÂ ferent classes of multidimensional dynamical systems [131, 132, 297, 317, 334, 357, 358]. The method of Poincare mapping [12, 13, 17] in piecewise linear systems was another intensively developed direction. Timefrequency Signal Analysis And Processing 2e RRP $128.95 TimeFrequency Signal Analysis and Processing (TFSAP) is a collection of theory and algorithms used for the analysis and processing of nonstationary signals, as found in a wide range of applications including telecommunications, radar, and biomedical engineering. This book gives the university researcher and R&D engineer insight into how to use TFSAP methods to develop the engineering application systems they are looking to implement.
Radio Frequency And Elf Electromagnetic Energies RRP $675.99 Tailored especially for the working health professional, Radio Frequency and ELF Electrogmagnetic Energies is a practical guide to understanding, evaluating, and controlling the human health effects of radiofrequency (RF) and extremely low frequency (ELF) electromagnetic fields. Providing a perfect blend of applied information and theory, you'll find all you need to know about radiation safety, from the basic physics to how to set up a safety program. This book brings you cuttingedge discussions of exposure limits, monitoring instrumentation, new measurements required by human exposure standards, induced currents and contact currents, and the latest data on biological effects. The Encyclopedia Of Radiochemistry Volume I RRP $596.00 The Frequencyfollowing Response 2017 RRP $381.99 This volume will cover a variety of topics, including child language development; hearing loss; listening in noise; statistical learning; poverty; auditory processing disorder; cochlear neuropathy; attention; and aging. It will appeal broadly to auditory scientistsand in fact, any scientist interested in the biology of human communication and learning. The range of the book highlights the interdisciplinary series of questions that are pursued using the auditory frequencyfollowing response and will accordingly attract a wide and diverse readership, while remaining a lasting resource for the field. Search
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