【摘要】 本文介绍的两套地震计是为电信传输地震台网配套设计的.目的是拾取周期较长、位移较大的地震信号.其特点是周期长,灵敏度高,多量程,稳定性好,结构紧凑,体积小.仪器采用了簧片轴承及零长弹簧.因而振幅-周期效应小,摆位-周期效应小.调试情况表明,长周期地震计要取得良好的性能,在很大程度上依赖于耐心细致的调整.记录情况表明地震计性能良好,符合设计要求.更多还原

【Abstract】 In this paper, it is described two sets of seismographs, specially designed and constructed to meet the requirements of telemetered seismic network for recording seismic waves with longer period and larger displacement. They are characterized by longer period, higher sensitivity, multiple recording range, good stability, compact and small size. Due to the adoption of flexural pivot and zero-length spring, the amplitude-period effect as well as the pendulum positionperiod effect are quite small.Experience shows that in order to achieve good results of a long period seismograph, it depends on a large extent on the patience of the instrumental operator in carefully adjusting the system. Thus far these seismographs can be considered as satisfactory in operation, fulfilling all the design criteria initially set.更多还原