| 1. | Pressure sensitivity of microphone 传声器声压灵敏度 |
| 2. | Pressure sensitivity , harmonic frequency and directive property are important indexes to characterize its performances 声压灵敏度、谐振频率和空间指向性是衡量其性能的重要指标。 |
| 3. | Using commercial fea software , computer simulation is carried on the characteristics of the resonator and the pressure sensitivity for several silicon / silicon nitride beam structures 应用有限元分析软件,对硅梁及氮化硅梁的多种结构,进行了计算机模拟,分析了热激励谐振器的特性以及压力敏感特性。 |
| 4. | The pressure sensitivity is proportional to the piezoresitive coefficient and the later is a function of temperatures , so after eliminating sensitivity thermal drift , the nonlinearity can be substantially compensate 压力传感器的压力灵敏度与压阻系数成比例关系,而压阻系数是温度的函数,所以非线性补偿的实质是消除温度对灵敏度的影响。 |
| 5. | The pressure sensitivity is proportional to the piezoresitive coefficient and the latter is a function of temperature , so after eliminating sensitivity thermal drift , the nonlinearity can be substantially compensated 压力传感器的压力灵敏度与压阻系数成比例关系,而压阻系数是温度的函数,所以非线性补偿的实质是消除温度对灵敏度的影响。 |
| 6. | A design of using lpcvd silicon - rich silicon nitride of low residual stress as the resonant beam is proposed based on technology of sacrificial porous silicon and a new type peninsula structure is also proposed for high pressure sensitivity 提出了基于多孔硅牺牲层技术的利用lpcvd生长的低应力厚的富硅氮化硅作为谐振梁的压力传感器结构设计。为了提高灵敏度,还提出了一种半岛结构。 |
| 7. | This paper investigates the pressure sensitivity of an interferometric fiber - optic hydrophone element with a concentric mandrel including an enhanced sensitivity layer based on the theory of elastic mechanics and finite element method ( fem ) and then investigates its harmonic frequency and vertical directional property using fem , and verifies all the results derived from theoretic analysis at last 本文分别基于弹性力学的理论和有限元的方法对含弹性增敏层的同轴干涉型光纤水听器基元的声压灵敏度进行研究,并基于有限元的方法对其谐振频率和垂直指向性进行分析,最后用实验对各项分析结果进行了验证。 |