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This book emphasizes on the design of orthogonal and near-orthogonal spreading codes for Code Division Multiple Access (CDMA) communication. It provides a brief but useful idea behind spread spectrum modulation technique which forms the backbone of mobile communication in a CDMA environment. Generation strategy and inherent characteristics of many of the state-of-the-art spreading codes have been properly discussed. Author has introduced a new type of spreading code, namely Small Set Orthogonal Kasami, which has been the author's novel contribution in the relevant field. Relative advantages...

This book focuses on the analysis of manufacturing processes and the integration of this analysis into the design cycle. Uniquely, the boundary element method (BEM) is the computational model of choice. This versatile and powerful method has undergone extensive development during the past two decades and has been applied to virtually all areas of engineering mechanics as well as to other fields. Among topics covered are BEM infrastructure, design sensitivity analysis, and detailed discussions of a broad range of manufacturing processes including forming, solidification, machining, and ceramic...

Many of the opportunistic infections in HIV are caused by commensal bacteria which are otherwise harmless in a normal individual.The study was designed to compare the oral microbiota in normal and HIV infected individuals. The study tries to establish a significant shift in oral microflora in HIV infected patients. Our study is unique in that such a study of the oral commensals in HIV patients has never been reported. We found an increased colonization of the oral cavity by Micrococcus spp. which is a normal commensal of the skin.