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Biomedical Measurement Using the Levitation Mass Method

机译：使用升高质量法测定生物医学测量

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The mechanical response of a palm of a human hand against impact force is accurately determined by means of a practical method, a variation of the Levitation Mass Method. In the method, a mass that is levitated with a pneumatic linear bearing, and hence encounters negligible friction, is made to collide with a material under test. During the collision the Doppler frequency shift of a laser beam reflecting from the mass is accurately measured using an optical interferometer. The velocity, position, acceleration and inertial force of the mass are calculated from the measured time-varying Doppler shift. The method is characterized by the fact that preparation of the test specimen is very easy, the testing time is very short and the measurement accuracy is very high. The possibility of using the method for biomedical engineering is discussed.
机译：通过实际方法精确地确定人手对冲击力的手掌的机械响应，升高质量方法的变化。在该方法中，用气动线性轴承悬浮的质量，并因此遇到可忽略不计的摩擦，以与正在测试的材料碰撞。在碰撞期间，使用光学干涉仪精确地测量反射从质量的激光束的多普勒频移。质量的速度，位置，加速度和惯性力由测量的时变多普勒偏移计算。该方法的特点是，试样的准备非常容易，测试时间非常短，测量精度非常高。讨论了使用生物医学工程方法的可能性。

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