本书中讨论了数字处理的基本概念、原理和方法。要求读者具有高等数序的基本知识。在写法上，力求通俗易懂、深入浅出。具有微积分和线性代数基本知识的读者可了解本书的大部分内容并且可以把这些内容用于实践-This book discusses the digital processing of the basic concepts, principles and methods. Readers are urged to have a higher number of sequences of basic knowledge. In writing, committed to the user-friendly and easily comprehensible. Calculus and linear algebra with a basic knowledge of the readers can understand most of the content of this book and can be applied in practice these elements