航空发动机的整机振动相当复杂,且由于转子不平衡力引起的整机振动的轨迹近似于椭圆形,所以测量航空发动机整机振动用的传感器和一般固定式地面燃气轮机用的测振传感器不同,它工作时除了受敏感轴方向的振动外,同时还受相当程度的横向振动。因此,要求这种传感器有较强的抗横振能力和较小的横向响应,否则将给发动机的振动测量带来很大误差。 The whole machine vibration of aeroengine is rather complicated, and the whole vibration of the whole machine due to the unbalanced force of the rotor is similar to an elliptical track. Therefore, the sensor used to measure the vibration of aeroengine is different from the vibration sensor used in a typical fixed ground gas turbine, It works in addition to the vibration of the sensitive axis direction, but also by a considerable degree of lateral vibration. Therefore, this sensor is required to have a strong anti-transverse vibration ability and a small horizontal response, otherwise it will give the engine vibration measurement great error.