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This textbook originated in my research Reconfigurable Rectangular to Polar Converter using Linear Convergence for Multiband and Multimode Wireless Communications submitted at the Panjab University, Chandigarh (India). The book covers the transitional area between low frequency and high frequency wireless circuits. Speci cally, it introduces the fundamental physical principles related to the operation of a typical wireless radio communication system. The intended audience for this book are, primarily, senior engineering students preparing for research in wireless communication systems. At the...

The abundance of insects can change dramatically from generation to generation; these generational changes may occur within a growing season or over a period of years. Such extraordinary density changes or -outbreaks- may be abrupt and ostensibly random, or population peaks may occur in a more or less cyclic fashion. They can be hugely destructive when the insect is a crop pest or carries diseases of humans, farm animals, or wildlife. Knowledge of these types of population dynamics and computer models that may help predict when they occur are very important.

This important new book...