【摘要】 谱烈度传感器采用三分量MEMS器件采集加速度信号,经过IIR带通滤波器,采用一种地震动谱烈度的实时计算方法,根据单自由度系统的地震输入响应,利用Z变换方法,得到相对速度反应谱的差分方程,来计算实时地震动谱烈度。更多还原

【Abstract】 Spectrum intensity sensor collects acceleration signal by using three components MEMS device,by IIR band-pass filter,adopt a real-time calculation method of ground vibration spectrum intensity,according to earthquake input response of single degree of freedom( SDOF) system,use z-transformation method,difference equation of relative velocity response spectrum is deduced,realtime groun vibrmtion spectrum intensity is calculated.更多还原