【摘要】 SAC是广泛应用于地震学分析研究中的工具软件 ,SAC格式也成为地震波形数据的通用格式。国家数字地震台网中心向用户提供 47个国家数字地震台站该格式的事件波形资料。文中详细介绍数据格式的结构、特点和内容 ,并给出格式转换的流程及程序实现。最后给出某些地震事件的波形及头段变量内容更多还原

【Abstract】 SAC is tool software widely used in seismology research. SAC format also becomes general format of seismic waveform. China Center of Digital Seismic Network provides seismic waveform of 47 China digital seismic stations to user. In this paper, the structure and speciality of SAC format are introduced. The flow chart and program scheme are discussed and in the last section, some examples are given.更多还原