提出基于阶跃响应在时域解析测定地震计参数的方法，并对合理确定响应的时间零点提供了一种方法。
A method has been developed to obtain analytically the seismometer parameters in time domain based on the step calibration function.
在开环参数一定的条件下，速度传感反馈地震计中的环路滤波是影响地震计主要技术指标的关键环节之一。
On condition that the open-loop parameters are given, the loop filter of feedback seismometer with a velocity transducer is one of the key factors of effecting seismometer main technical performances.
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