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数字信号处理(Digital Signal Processing简称DSP)是一门新兴的学科和技术。在短短十几年的历程中,已经取得了蓬勃的发展。无论在理论和技术方面,还是在应用推广上都得到惊人的成果。这些成果正引起广大科技人员的极大兴趣和注意力。 数字信号处理的研究内容十分广泛。它包括了信号的数字表示、快速变换、谱估计、编码,滤波与重建、信息的提取和识别,以及各种算法的简化和硬件实现。这些研究分别涉及语声、图象、文字和数据等多种应用领域与通信新技术的发展有着密切的关系。 DSP技术在通信新技术领域中已有了广泛的应用,并已取得了明显的成果。VLSI的数字信号处理专用芯片的出现又为这些成果的推广创造了有利的条件。除了各种信源的编码和解
Digital Signal Processing (DSP) is an emerging discipline and technology. In the course of just over a decade, vigorous development has been achieved. Both in theory and technology, or the promotion of the application have been amazing results. These achievements are arousing great interest and attention of the majority of scientific and technical personnel. The research content of digital signal processing is very extensive. It includes the digital representation of signals, fast transforms, spectral estimation, coding, filtering and reconstruction, information extraction and recognition, and simplification and hardware implementation of various algorithms. These researches are related to a variety of application fields such as voice, image, text and data and are closely related to the development of new communication technologies. DSP technology has been widely used in the field of new communication technologies and has achieved remarkable results. The appearance of VLSI digital signal processing ASICs has created favorable conditions for the promotion of these achievements. In addition to a variety of source code reconciliation