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。
After the analyses of circuit theory of analogue voltage-to-frequency ratio converter, the design requirement of component parameters and the calculation method are presented.
分析了模拟电压一频率比变换电路原理,给出了元件参数的设计要求及其计算方法。
Based on local signal to noise ratio, the method estimates characteristic component of speech sound sub band covered by noise.
一种根据局部信噪比,估计受噪声掩蔽的语音子带特征分量的方法。
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