神经网络与信号处理系统是当今科学研究中一个十分活跃的领域，有限精度设计理论是使神经网络与信号处理系统投入工程应用的技术关键。如何在有限的时间、有限的空间，利用有限精度设计理论，无限推动神经网络与信号处理系统的良好发展与广泛应用，是广大科技人员业已面临且亟? Neural network and signal processing system is a very active area in scientific research nowadays. Finite precision design theory is the key technology to make neural network and signal processing system into engineering application. How to make use of the theory of finite precision design in a limited time and limited space to promote the sound development and widespread application of neural networks and signal processing systems infinitely is the urgent need for the majority of scientists and technicians?