Q factor

Moreover , high mode micromechanical resonant cantilevers feature higher Q factor and sensitivity compared to the fundamental mode .

微机械悬臂梁在高阶谐振模态下具有更高的品质因数和灵敏度，而其等效质量不变，因此可以获得更高的质量检测分辨率。

The calculation for the Q factor of an electromagnetic open resonator

电磁开腔品质因数Q的计算

Calculation and measurement of the Q factor of an open resonator

开式谐振腔Q值的计算与测量

Discussion of the Q Factor Concepts in Resonance System

谐振系统中Q值概念辨析

We often use Q factor to assess the performance of digital data links .

人们常用Q因子来衡量系统性能。

Development of a laser non-contact shadow mask Q factor measurement machine

激光非接触式彩管荫罩Q值测量机研制

The A-B correlation method for sample classification by using the Q factor

应用Q因子进行样品分类的A-B相关法

Near-field Optical Microscopy Using High Q Factor Tuning Fork as Force Sensor

高Q值音叉调制近场光学扫描显微镜研究

The Q factor test of transparent optical channel

透明光通道Q因子的测量

The Implementation of Q Factor On-line Detection Based on DSP Technology in Optical Fiber LANs

基于DSP技术实现光纤LAN系统Q值在线检测

Discussion of Q Factor of LC Parallel Resonance Circuit

试论LC并联谐振回路的品质因数Q

Some film were measured and the relation between q factor and net density was also given .

实验测定了几种胶片的粒度数据及q因子随净密度的变化关系。

Basic forms of hydraulic switch circuits Equation Derivation for Determination of Effective Q Factor by Δ f Method

液压开关回路的基本结构变频通带法确定回路有效Q值的计算式推导

In a vacuum of 10-2 Pa , the Q factor of this sensor is 19502 ;

在10~（-2）pa真空中，传感器的品质因数Q值约为19502；

Calculation and measurement of Q factor for RF D-circuit of cyclotron

加速器高频D电路Q值的计算与测量

The numerical simulation shows that the first-order transverse modes have fairly high Q factor and high coupling efficiency to the output waveguide .

数值计算结果证明一阶横模具有很高的品质因子和很高的耦合输出效率。

Q factor of an open resonator is determined by the diffraction loss , reflection loss and external loss introduced by coupling as a whole .

开式谐振腔的Q值由衍射损耗，反射损耗，耦合引入的外部损耗共同决定。

The calculated result shows that the device has its Q factor of detected mode and driven mode in almost same order of 140 at atmospheric pressure .

计算结果表明，这种器件在大气压条件下其驱动模态和检测模态的品质因子几乎同为140。

The solution proposed here analyse the difference between the Q factor and the conventional BER test . It also give the calculation and the method of the test .

本文分析了Q因子与传统误码率测量的不同之处，给出了Q因子的计算和测量方法。

As this material has very high Q factor , it is widely applied for frequency stabilizing elements in oscillator circuits at frequencies above 12 GHz .

这种材料具有高Q值，特别适用于X以上波段作为振荡器电路中频率稳定元件。

The assumption is made that P-wave velocity , S-wave velocity , density and Q factor show lateral piecewise linear continuous variations in block media .

假定介质为块状，且块中纵，横波速度及密度、品质因数横向分段线性连续变化。

The direct connection method was used for the feed line , it is convenient to match the external Q factor with sufficiently input / output of resonance frequency .

对于直连型馈线引入方式，H型环带谐振器容易实现外部Q值的匹配，同时对输入/输出端谐振器的谐振频率影响很小。

Then the influence of square air holes ' side length and rotation angle to Q factor and resonant frequency of two dimensional photonic crystal slab was discussed .

讨论了正方形空气的边长及旋转角度对正方形空气平板二维光子晶体Q值及谐振频率的影响。

Based on these results , optimized structure of the 3-D inductor was obtained with an inductor value of 11 nH and a Q factor of 9 , respectively .

根据理论计算的结果，得到了电感的优化结构，在2.5GHz的工作频率下，其电感值为11nH，Q值为9。

The tuning ratio is about 3.18:1 , namely 218 % , under 4V driving voltage . The Q factor is about 103 at 1 GHz .

在4V的驱动电压下可变电容值变化3.18：1即218%，1GHz时的Q值可达103。

Assuming that Q factor changes in a linear way with frequency , the relation which is able to estimate the stress drop through peak velocity of ground can be derived as .

在假定Q因子线性地依赖于频率的指数衰减项的情况下，使用该模型导出了直接与地面运动峰值速度参数估算地震应力降的测定关系。

Using operational amplifiers with their external components to form a gyrator , it is possible to simulate a large value inductor with a very high Q factor and to realize ultra-low frequency oscillation .

将运算放大器及其外接元件组成回转器，就能够模拟一只Q值极高的大电感，从而实现超低频振荡。

Sn4 + and Mn2 + ( by means of valance transition ) both served as oxidizers which suppressed Ti4 + reduction and increased the Q factor .

Sn4+和变价的Mn2+充当氧化剂，抑制Ti4+的还原，提高了系统的Q值。

The combination of thick OPS insulating layer and copper coils can reduce the parasitic loss and effectively improve the Q factor of inductors due to OPS is a low loss material and copper has a high conductivity .

由于OPS是一种低损耗的材料，铜的电阻率很低，采用OPS隔离硅衬底和Cu线圈能够降低电感的寄生损耗，提高电感Q值。

Secondly , gives the theoretical analyses to Q factor of microwave open resonator due to the mirror loss 、 mirror diffraction loss and coupling aperture loss in detail and obtains the more precise formulae for calculating Q factor .

其次，分别对开式腔镜面反射损耗、镜面衍射损耗、耦合孔径损耗进行了深入的研究，并得出开式腔品质因数更为精确的计算公式。