What is clear, step-by-step practical approach using discrete-signal analysis and design, especially for communications and radio engineers The book gives an introduction to discrete-time signal processing and discrete frequency, which is fast becoming an important means of modern to design and analyze electronic projects of all kinds. Coverage includes: First principles, including Discrete Fourier Transform (DFT) Sine, cosine, and theta Spectral leakage and aliasing Smoothing and windowing Multiplication and convolution Probability and Correlation Power spectrum Hilbert Transformation CD-ROM for including Mathcad v.14 Academic Edition, which is reproduced with the permission and has no time limit for use, providing users with sophisticated tools and world-famous for a variety of applied mathematics capabilities.