Amazon.com's Top-Selling DSP Book for Seven Straight Years--Now Fully Updated! Understanding Digital Signal Processing, Third Edition, is quite simply the best resource for engineers and other technical professionals who want to master and apply today's latest DSP techniques. Richard G. Lyons has updated and expanded his best-selling second edition to reflect the newest technologies, building on the exceptionally readable coverage that made it the favorite of DSP professionals worldwide. He has also added hands-on problems to every chapter, giving students even more of the practical experience they need to succeed. Comprehensive in scope and clear in approach, this book achieves the perfect balance between theory and practice, keeps math at a tolerable level, and makes DSP exceptionally accessible to beginners without ever oversimplifying it. Readers can thoroughly grasp the basics and quickly move on to more sophisticated techniques. This edition adds extensive new coverage of FIR and IIR filter analysis techniques, digital differentiators, integrators, and matched filters. Lyons has significantly updated and expanded his discussions of multirate processing techniques, which are crucial to modern wireless and satellite communications. He also presents nearly twice as many DSP Tricks as in the second edition--including techniques even seasoned DSP professionals may have overlooked. Coverage includes * New homework problems that deepen your understanding and help you apply what you've learned * Practical, day-to-day DSP implementations and problem-solving throughout * Useful new guidance on generalized digital networks, including discrete differentiators, integrators, and matched filters * Clear descriptions of statistical measures of signals, variance reduction by averaging, and real-world signal-to-noise ratio (SNR) computation * A significantly expanded chapter on sample rate conversion (multirate systems) and associated filtering techniques * New guidance on implementing fast convolution, IIR filter scaling, and more * Enhanced coverage of analyzing digital filter behavior and performance for diverse communications and biomedical applications * Discrete sequences/systems, periodic sampling, DFT, FFT, finite/infinite impulse response filters, quadrature (I/Q) processing, discrete Hilbert transforms, binary number formats, and much more

本书将理论与实践完美地结合起来，通过具有启发性的解释和精心挑选的例子，采用读者可以理解的数学表示方法，对数字信号处理 (DSP) 技术进行了解释，帮助读者从整体上掌握DSP，并逐步掌握较高层次的DSP概念和应用。本书第1版就很畅销，可读性强，受到专业人员的广泛喜爱。第2版以此为基础，除包括周期采样、离散傅里叶变换 (DFT) 、快速傅里叶变换 (FFT) 、数字滤波器、离散希尔伯特变换、采样速率转换、量化、信号取均值等内容外，还扩展了无限脉冲响应滤波器 (IIR) 、脉冲频率采样和内插式有限脉冲响应滤波器 (FIR) 等内容，增添了多种新的速率系统，包括多相滤波器和串级积分器-梳状有限脉冲响应滤波器 (FIR) 。
本书是工程师以及专业技术人员掌握和应用DSP技术的最佳参考书。
包含实际的、直观的、丰富的DSP例子。
强调实际的、日常的DSP应用和解决方案。
提供了全新的正交信号处理内容，包括易于理解的三维空间图。
包括即使是经验丰富的专业人士也可能忽略的技术方法。
涵盖了频率采样、内插式FIR、CIC等重要滤波器。
提供了流行的数字信号处理技巧。