Fourier analysis is a mathematical technique for decomposing a signal into identifiable components. It is used in the study of all types of waves. This book explains the basic mathematical theory and some of the principal applications of Fourier analysis in areas ranging from sound and vibration to optics and CAT scanning. The author provides in-depth coverage of the techniques and includes exercises that demonstrate straightforward applications of formulas as well as more complex problems.

This popular one-volume analysis of the evolution of American criminal justice places contemporary issues of crime and justice in historical perspective. Walker identifies the major periods in the development of the American system of criminal justice, from the small institutions of the colonial period to the creation of the police, the prison, and the juvenile court in the nineteenth century and the search for professionalism in the twentieth century. He argues that the democratic tradition is responsible for the worst as well as the best in the history of criminal justice in the United...