灵敏度

The design was optimized for maximum signal intensity by simulation and experiments. The size of focal spot in the micro-channel capillary was optimized. Fluorescence signal was enhanced 2～3 times when increasing the diameter of focal spot from 10μm to 50μm (full of the inner wall of capillary), through which the sensitivity and signal-noise ratio were also improved. A technique of using refractive matching liquid was presented. The fluorescence signals were boosted up and the signal collection efficiency was also meliorated when using this method.

通过理论分析和实验优化本系统的设计：优化聚焦于微通道中的激发光斑大小，增大聚焦到毛细管内径中的激发光斑尺寸，使光斑尺寸由最小的10μm增大到50μm，光电倍增管接收到的荧光信号提高了2-3倍，从而提高系统的信噪比和灵敏度；提出在聚焦物镜处加折射率匹配液的方法，加匹配液后的荧光信号得到了增强，因而提高了荧光收集效率和灵敏度。

This paper analyzes the shunt sensitivity in electrical sectionalizing joint of UM71 jointless track circuit, finding out the zone that doesn't fulfill the standard shunt sensitivity, calculating its length and putting forward some methods to reduce the dead zone.

通过对UM71无绝缘轨道电路电气绝缘节分路灵敏度的分析，找出不满足标准分路灵敏度的区段并计算其长度，从中寻找减小死区段的方法。

However, the resistance and gas sensitivities to alcohol and acetone increased as Co_3O_4 increased.

随着Co_3O_4掺杂量的增加，Co_3O_4-SnO_2样品的电阻和对酒精和丙酮的灵敏度有了很大的提高，并达到最大值；而当量Co_3O_4量继续增加时，电阻和灵敏度又开始下降。

The Doppler frequency shift and the Doppler broadening are comprehensively utilized, the narrow-band phase plate is inserted between a collimating mirror and a focusing lens of an imaging probe, thereby implementing the spatial encoding of the Doppler information, realizing the imaging requirements on the spatial high-resolution three-dimensional speed vector, combining with the Doppler OCT method which is based on the phase resolution technology to meet the high-speed and high-sensitivity measurement requirements and finally realizing the speed vector imaging with high-resolution, high-speed, high-sensitivity and large-imaging range of the three-dimensional flow field of the microfluidic chip.

综合利用多普勒频移和多普勒展宽，并在成像探头的准直镜和聚焦透镜之间插入窄带相位片，实施多普勒信息的空间编码，实现空间高分辨三维速度矢量的成像要求，再结合基于相位分辨技术的多普勒OCT方法则能够满足高速度高灵敏度的测量要求，最终实现对微流控芯片立体流场的高分辨率、高速度、高灵敏度、大成像范围的速度矢量成像。

The finite element method and electro mechano acoustic method are used to analyse the mechanical performance,sensitivity,and frequency response of the condenser microphone .

针对所研制的电容式微传声器在理想模式下的工作原理，建立了有限元分析模型和声电模型，从理论上分析了器件的机械性能、灵敏度以及频响特性，得出了结构优化的设计原则，即要想得到高灵敏度的微传声器器件，必须考虑采用尽可能小的空气隙厚度和声学孔尺寸以及具有较小内应力的声学振膜。

The sensors had high sensitivity. Their sensitivity was about twice of that of other thin film manganin gauges and was very close to that of foil gauges.

传感器的灵敏度高，约为其他单位研制的薄膜锰铜计的1倍，而与现用的低GPa的箔式锰铜计的灵敏度相近。

The FBG sensor's pressure sensitivity that influenced by the metal-coated material and thickness was studied, and the relationship between them was rightly calculated.

研究了金属镀层材料和镀层厚度对FBG传感器压力灵敏度的影响，探明了FBG传感器压力灵敏度与镀层材料属性和镀层厚度间的关系。

The unit has a variable attack (.5 to 100 millisecond) and release (100 millisecond to 3 seconds) input sensitivity switch, overload LED, compression control (over 24 dB), change and VU meters, side chain outputs, link inputs, low frequency compression sensitivity switch and output gain control.

该部门有一个变量攻击（0.5至100毫秒）和释放（100毫秒至3秒）输入灵敏度开关，过载灯，压缩控制（超过24分贝），变更，VU表，侧链产出，链接投入，低压缩灵敏度开关频率和输出增益控制。

A mixed sensitivity H∞ control model is constructed and the band width of wind turbine speed control is designed according to the frequency characteristic of wind speed variation and noise of rotating speed sensor. The sensitivity function is decreased within this frequency band to restrain the wind torque perturbation to wind turbine rotating speed control.

通过构造基于复合灵敏度的H∞鲁棒控制模型，根据风速的波动频率范围和传感器的噪声频率范围设计了风车转速控制的带宽，并在此带宽内降低系统的灵敏度函数，来抑制风力转矩对风车转速控制的干扰。

4Research on sensitivity analysis:The theory and method for sensitivityanalysis on two methods(the generalized Two-base method and Simple AdditiveWeighting Method)are established.

灵敏度分析的研究：建立了（3）中的两个方法（广义双基点法和广义简单加权法）的灵敏度分析理论与方法。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。