(一)前言压电式传感器由于具有体积小,重量轻,高的固有频率和宽的动态范围,以及高的耐压强度和好线性度,小的温度系数等优点,一直是瞬变量测量的主要工具,例如对内燃机等汽缸压力的测量,火炮膛压的测量,以及各种爆破压力的测量。各种机床,运输 (A) Introduction Piezoelectric sensors due to its small size, light weight, high natural frequency and wide dynamic range, and high compressive strength and good linearity, small temperature coefficient, etc., has been a transient measurement Major tools such as cylinder pressure measurement for internal combustion engines, gun chamber pressure measurement, and various burst pressure measurements. Various machine tools, transportation