基于改进方法EEMD的HHT脉搏信号分析

比较了JFH及SPE为代表的两类区别特征系统，指出定义方式的差异是根本差异，差异的根源是两种截然不同的语言观。前者的结构功能语言观把语言看成实现各种功能的符号系统，其本质是行为的、功能的，这决定了它从言语行为的结果——特征的声学实现——来概括和抽象特征。后者的生成语言观把语言看作存在于认知层面的知识表征，其本质是心智的、形式的，这决定了它从语言能力角度——特征的发音实现——来定义特征。

Empirical Research on Over-freight Regulation Based on Cost Analysis and Guiding Price: Take the Data from Hunan Province

Based on the data from transportation market in Hunan province, using cost analysis model, the main reason of highway over-freight is found, which is that the freight price decided by the long-term equilibrium in the freight market is much lower than the average cost under the rated load. Four advices are provided on behalf of the interest of common carriers: 1.The government should establish and perfect transportation access mechanism and exit mechanism, and regulate the industry scale. 2. In order to solve the problem of low price of transportation and accelerate the sound development of the transportation industry, the government should set up and carry out the guiding price. 3. The government should continue to exert stiffened penalties to crack down the freight overloading. 4. Considering the high tax in transportation industry, the government should decrease the tax rate properly.