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The new research presented in this volume suggests that general perceptions (cultural, psychological, geographical), allied to the customs and values of journalism, and underpinned by the uses of technology, significantly shape international news. This gives rise to a blend of the old and the new; traditions of cultural centredness and innovative practices; anchorages of place and the rootlessness of globalization. Technology per se has not swept all before it. On the other hand, its uses have altered the means and methods of international news sourcing, construction and dissemination. Consequently, the uptake of technology has contributed to fundamental changes in style and form, and has greatly facilitated cross-cultural exchanges. The category a international newsa (TM) is now more of a hybrid, as recognized by the BBC and others. The chapters in this book demonstrate that this hybridity is unevenly distributed across geo-political domains, and often across time. Nevertheless, as the contributors to this volume show, the concept of a international newsa (TM) relies on tightly interwoven elements of orthodox journalism, social media, civic expression and public assembly.
Digital Communication Receivers Synchronization, Channel Estimation, and Signal Processing Digital Communication Receivers offers a complete treatment on the theoretical and practical aspects of synchronization and channel estimation from the standpoint of digital signal processing. The focus on these increasingly important topics, the systematic approach to algorithm development, and the linked algorithm-architecture methodology in digital receiver design are unique features of this book. The material is structured according to different classes of transmission channels. In Part C, baseband transmission over wire or optical fiber is addressed. Part D covers passband transmission over satellite or terrestrial wireless channels. Part E deals with transmission over fading channels. Designed for the practicing communication engineer and the graduate student, the book places considerable emphasis on helpful examples, summaries, illustrations, and bibliographies. Contents include:<br> * Basic material<br> * Baseband communications<br> * Passband transmission<br> * Receiver structure for PAM signals<br> * Synthesis of synchronization algorithms<br> * Performance analysis of synchronizers<br> * Bit error degradation caused by random tracking errors<br> * Frequency estimation<br> * Timing adjustment by interpolation<br> * DSP system implementation<br> * Characterization, modeling, and simulation of linear fading channels<br> * Detection and parameter synchronization on fading channels<br> * Receiver structures for fading channels<br> * Parameter synchronization for flat fading channels<br> * Parameter synchronization for selective fading channels
Throughout the 1980s and 1990s, the theory and practice of testing electronic products has changed considerably. Quality and testing have become inextricably linked and both are fundamental to the generation of revenue to a company, helping the company to remain profitable and therefore survive. Testing plays an important role in assessing the quality of a product. The tester acts as a filter, separating good products from bad. Unfortunately, the tester can pass bad products and fail good products, and the generation of high quality tests has become complex and time consuming. To achieve significant reduction in time and cost of testing, the role and responsibility of testing has to be considered across an entire organization and product development process.
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