摘要
介绍信号的定义和分类,基于信号的三要素论述信号分析的内涵,阐述信号分析这一竞争情报方法的重要价值,尝试提出信号分析的方法步骤。着重以电纸书行业为例进行实证研究,剖析该行业的现状与发展趋势。
The paper describes the definition and classification of signals and discusses the connotation of signal analysis based on signal＇ s three essential elements. Also it elaborates the important values of signal analysis and summarizes a method of signal analysis. The paper focuses on the study of E-book industry and analyses the situation and trends.
出处
《图书情报工作》
CSSCI
北大核心
2011年第18期66-69,28,共5页
Library and Information Service
