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石英音叉式陀螺仪
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quartz tuning fork gyroscope
石英音叉式陀螺仪
利用石英晶体制作的音叉在电信号作用下通过压电效应以恒定频率作等幅振动,当其旋转时受到一个阻止其转动的惯性力作用,从而激发了垂直于原振动平面的振动,这一感生振动的振幅与转动角速度成正比,它通过石英的压电效应产生一个电信号,从而感测转动角速度的陀螺仪。又称石英音叉速率传感器(QRS)。
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