| 1. | Mechanical impedance of the human hand - arm system at the driving point
人手臂系统在驱动点上受到的机械阻抗 |
| 2. | Mechanical impedance analysis system
机械阻抗分析系统 |
| 3. | Modal impedance synthesis method applied to analyzing vibration of iocomotive
用模态机械阻抗综合法分析机车振动 |
| 4. | Mechanical impedances at the driving point and transfer functions of the human body
人体驱动点机械阻抗和传递函数 |
| 5. | It illuminates that the method of mechanical impedance is easier than others , and also it is a calculating approach with comparative precision
表明了机械阻抗方法是一种方法简单，又具有一定精度的计算手段。 |
| 6. | The method of mechanical impedance to calculate stator ' s natural frequency is given , and so is the flow of modal analysis . these results are compared
给出了机械阻抗法计算sr电机定子固有频率的方法和使用模态分析仪分析模态的流程，针对实验样机给出计算及实验结果，并进行对比。 |
| 7. | The methods used commonly in vibration analysis , four - pole parameters and machinery impedance were introduced , and the theories and methods mostly used at present for flexible system isolation were compared
介绍了振动分析中常用的四端参数法和机械阻抗方法，分析比较了目前常用的柔性基础隔振理论及方法。 |
| 8. | The mechanical impedance analyzing method utilized , the mathematical formula for the input impedance and transformer ratio of ultrasonic horn are built up , some vibration performance of ultrasonic horns are discussed under different load impedance , the relationship and applicational conditions between the transformer ratio of ultrasonic horn and the radiational impedance are analyzed
采用机械阻抗分析方法，建立了超声变幅器的输入阻抗和变幅比的数学表达式，讨论了不同负载阻抗下超声变幅器的振动性能，分析了超声变幅器的变幅比与换能器辐射阻抗之间的关系及应用条件。 |
| 9. | The dynamic predigesting model for passive isolation of flexible base system was established , and the four - pole parameters and machinery impedance methods were adopted to analyse the system , the expression of the responsibility and power flow transmissibility was deduced . by means of the matlab programming language , the responsibility and power flow transmissibility were simulated . proposed the vibration contrl method of optimizing system parameters . the methods proposed in this dissertation , can meet the requirement of decreasing vibration and noise for flexible base , and have some practicability and reference value
对柔性基础被动隔振系统进行了力学建模简化，并采用四端参数和机械阻抗方法对其进行分析，推导出其响应比和功率流传递率的表达式，并利用matlab程序设计语言对响应比和功率流传递率进行了模拟仿真。提出了以优化系统参数为措施的振动控制方法。本文所提出的方法，能够满足柔性基础减振降噪的要求，具有一定的实用性和参考价值。 |
| 10. | In chapter three , the passive vibration control of a smart cantilever beam with piezoelectric shunt damping system is studied theoretically . in this chapter , the mechanical impedance of piezoelectric shunt damping system is analyzed , and the parameters of the rlc piezoelectric shunt circuit are optimized via transfer function of the piezoelectric shunt damped beam in order to optimize the vibration damping effect
研究了利用压电分流阻尼系统进行压电智能悬臂梁被动振动控制的方法，分析了压电分流阻尼系统的机械阻抗，并通过传递函数方法对rlc串联压电分流谐振电路元件的参数进行了优化，以使压电分流阻尼系统的阻尼效果达到最优。 |
