Autonomous Software-defined Radio Receivers for Deep Space Applications
Jon Hamkins and Martin K. Simon, Eds.
John Wiley & Sons Inc. • 457 pages; $150
The purpose of this book is the development of techniques to autonomously configure an all-digital software-defined radio (SDR) receiver for whatever type of signal happens to hit its antenna. The automatic identification of the carrier frequency, modulation index, data rate, modulation type and pulse shape, based on observation of the received signal, is described. These are functions that are typically configured manually by the user of an SDR, prior to reception, based on prior knowledge. How the conventional receiver estimators for the signal-to-noise ratio, carrier phase and symbol timing require knowledge of the modulation type, data rate, etc. and how these conventional functions can be implemented in the absence of this information, are also described.
Chapter 1 is an overview of the architecture of the autonomous radio receiver, describing what each module does and how the modules interact to produce the desired effect. A general model for a received signal, which will be used throughout the book, is described and many parameters one might desire to estimate from the signal are defined. Chapter 2 provides an overview of the Electra radio, the first programmable software radio that has been developed for space missions. Chapters 3 to 10 cover Modulation Index Estimation, Frequency Correction, Data Format and Pulse Shape Classification, Signal-to-noise Ratio Estimation, Data Rate Estimation, Carrier Synchronization, Modulation Classification and Symbol Synchronization, respectively.
In each of these chapters, a method is proposed to estimate a given signal parameter, based on observations of the received signal. How the algorithms of the previous chapters may be incorporated into a single, practical and operational autonomous radio is explained in Chapter 11.
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Fundamentals and Applications of Microfluidics: Second Edition
Nam-Trung Nguyen and Steven T. Wereley
Artech House • 510 pages; $129, £78
With microfluidics reaching a more advanced stage and given the dynamic nature of this field of study, the materials presented in the second edition of this book are intended to bring the reader to a thorough understanding of the current state-of-the-art of microfluidics. The book can serve as an introductory course for upper-level undergraduate and graduate students in microelectromechanical systems (MEMS) and its organization is clear and suitable for classroom use.
It is divided into two sections: Fundamentals and Applications. In the Fundamentals section, Chapter 1 introduces the field of microfluidics, including its definition and commercial and scientific aspects. Chapter 2 discusses when to expect changes in fluid behavior as the length scale of a flow is shrunk to microscopic sizes. Chapter 3 provides the technology fundamentals required for making microfluidic devices, ranging from silicon-based microfabrication to alternative non-batch techniques appropriate for small-scale production and prototyping. Chapter 4 presents experimental characterization techniques for microfluidic devices with a concentration on full-field optical techniques.
In the Applications Section, Chapter 5 describes the design of microdevices for sensing and controlling macroscopic flow phenomena such as velocity sensors, shear stress sensors, microflap, microballoons, microsynthetic jets and microair vehicles. Chapters 6 to 8 present design rules and solutions for microvalves, micropumps and microsensors. Chapters 9 to 13 discuss a number of tools and devices for the emerging fields of sciences and chemical analysis in microscale, such as needles, mixers, dispensers, separators and reactors.
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