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This book presents methods to improve information security for protected communication. It combines and applies interdisciplinary scientific engineering concepts, including cryptography, chaos theory, nonlinear and singular optics, radio-electronics and self-changing artificial systems. It also introduces additional ways to improve information security using optical vortices as information carriers and self-controlled nonlinearity, with nonlinearity playing a key "evolving" role. The proposed solutions allow the universal phenomenon of deterministic chaos to be discussed in the context of information security problems on the basis of examples of both electronic and optical systems. Further, the book presents the vortex detector and communication systems and describes mathematical models of the chaos oscillator as a coder in the synchronous chaotic communication and appropriate decoders, demonstrating their efficiency both analytically and experimentally. Lastly it discusses the cryptologic features of analyzed systems and suggests a series of new structures for confident communication.
This book offers original research by leading scholars from the United States, United Kingdom, Germany, France, and Russia, which covers the central areas of Shpet's work on phenomenology, philosophy of language, cultural theory, and aesthetics and takes forward the current state of knowledge and debates on his contribution to these fields of enquiry. The book also contains, for the first time in English translation, the most seminal portions of Shpet's book-length study of hermeneutics, which is his most significant work for contemporary students of cultural theory. The first part of the book maps out Shpet's legacy in the main areas of his multi-faceted work; the second part examines in closer detail particular aspects of Shpet's philosophical affiliations and contributions in the framework of cultural theory, phenomenology, hermeneutics, and in the field of Russian intellectual history; the final part features the publication of extracts from Shpet's 1918 book on hermeneutics.
Статьи, представленные в сборнике, являются печатными вариантами докладов участников VII Международной научно-практической конференции "Актуальные проблемы радиофизики 2017", проходившей в Томском государственном университете 18–22 сентября 2017 г. на базе радиофизического факультета и ЦКП "Центр радиофизических измерений, диагностики и исследования параметров природных и искусственных материалов" ТГУ. Доклады отобраны Программным комитетом конференции. Сборник представляет интерес для специалистов в области радиофизики, радиоэлектроники, оптики, твердотельной электроники и электромагнитной совместимости.