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1概况渡边晃(1968)用两根铁管构成直角(分别取为x,y轴),中心固定在水泥台上.铁管头部装线圈,相对于线圈的磁钢固定在水泥台上,两者构成动圈式换能器.当地震波传来时,同一铁管(比如x方向)两端部的动圈换能器输出信号之差便构成v/x;另一铁管(y方向)两端动圈换能器输出信号之差便
1 Overview Watanabe Akira (1968) is composed of two iron pipes at right angles (taken as x and y axes, respectively), and the center is fixed on the cement platform. The iron pipe head is equipped with a coil and the magnet opposite to the coil is fixed on a cement platform , The two constitute the dynamic transducer when the seismic waves come, the same iron pipe (such as x-direction) at both ends of the moving coil transducer output signal difference will constitute v / x; another iron pipe (y Direction) both ends of the moving coil transducer output signal difference