介绍了用MATLAB6.1符号数学工具箱实现控制系统分析的一个通用算法。

A general algorithm for control system analysis by using MATLAB6.1 Symbolic Math Toolbox is introduced.

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粗频偏估计算法基于DAB 信号所特有的相位参考符号（PRS），细频偏估计算法基于OFDM 信号所特有的循环前缀（CP），对其它采用OFDM 技术的系统具有很好的通用性。

The algorithm for coarse estimation is based on the PRS that is only contained in DAB signal, while the algorithm for fine estimation is based on CP, which could also be used in other OFDM systems.

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本文提出了“通用语义符号系统”的基本单位应该满足的5个条件：1）语义符号的形式简单；

This paper suggests that the basic units of the system should meet five requirements: 1) forms of the signs are simple enough;

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