The confidence is at least 95% on calculating velocity ratio when considering station factor.
考虑台站因素，计算波速比的置信度最低达到95%。
Using of the method of field geomagnetic load-unload response ratio, data of geomagnetic vertical-component daily ranges of Dalian seismic station from 1981 to 1991 are processed.
大连及邻区在1981~1991年间发生了多次中强地震。 本文作者应用地磁加卸载响应比方法对大连台1981~1991年地磁资料进行处理。
Based on average S/N ratio of each sub band, the mobile station feeds back the word of data rate control (DRC) obtained by looking up the table.
系统采用闭环反馈方法，移动台根据每个子带的平均信噪比查表得到数据速率控制字DRC进行反馈；
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