The outer gimbal disturbance torque of PIGA(pendulous integrating gyro accelerometer)includes the outer gimbal axis friction torque and the altemating torque caused by the intersecting acceleration.

• 摆式积分陀螺加速度计的外环干扰力矩包括仪表外环轴的摩擦力矩和交叉轴加速度引起的交变力矩。