查询词典 dielectric

The difficulties during developing this technique is that dielectric loss tangent measured is very small, and many factors influence the high-precision measuring, such as the excursion of the primary wave on power line, the existence of the harmonious wave, and the electromagnetic interference in the field and so on.

该检测技术的难点在于待测介质损耗角很小，电网基波频率不稳、高次谐波的存在以及现场电磁干扰等因素都会影响测量准确度的提高。

The paper introduces PLL with elaborating its principal, the filter of the loop and the theories of noise. In the following chapter, some binds of dielectric resonator oscillators, especially, their operational principle, are introduced. And then the paper expatiates the design, emulation and the implementation of hardware of the DRVCO in this task, and the design and debugging of the PLL.

本文先介绍了锁相环，对它的的工作原理，环路滤波器的设计及噪声理论进行了阐述，然后介绍了振荡器的工作原理，分类和噪声；并在此基础上介绍了一些常见结构的介质谐振器稳频振荡器的工作原理，接着详细论述了本课题中DRVCO的设计、仿真和硬件实现，以及锁相环路的设计和调试，以及在调试中对低相噪的实现所进行的研究，并给出了结论。

Complex permittivity includes abundant information, since its real part is the dielectric constant, and the imaginary part is proportional to conductivity.

复介电常数包含了丰富的信息，其实部即为介电率，虚部与导电率成比例；并且介电常数与很多生理参数有关，例如温度、含水量、血量、血氧浓度等。

〓 thin film is a kind of ferroelectric materials which can be applied widely in the future. It has many good properties, such as photoelectricity, pyroelectricity, nonlinear optical and dielectric characteristics.

KTN薄膜材料是一种非常有应用前景的铁电材料，它具有良好的电光性能、非线性光学性能和热释电性能。

Chapter 3 gives the theoretical analyses to Q-factor of electromagetic open resonator due to the mirror loss、mirror diffraction loss、coupling aperture loss and inserted dielectric specimen loss in detail by means of the incremental frequency rule and the small aperture coupling theory, and obtains the more precise formulae for calculating Q-factor.

在第三章利用电磁开腔的复数源点理论以及频率增量法和小孔耦合理论，分别对电磁开腔镜面反射损耗、镜面衍射损耗、耦合孔损耗以及介质样品损耗引起的品质因数进行了深入的理论分析，得到了电磁开腔品质因数更为精确的计算公式。

So, nonlinearity of non-linear dielectric can be reflected by the radio of harmonic to fundamental wave.

因此，可以用谐波分量与基波的比值反映非线性绝缘介质的非线性程度。

In a second extended position, the dielectric substrate free end is pivoted away from the radiotelephone in a direction transverse to the longitudinal direction of the housing.

在第二伸出位置时，绝缘基体自由度端部在与壳体纵向横切的方向上从无线电话转离开。

A flow of electricity in a dielectric, especially in a rarefied gas .

电流在非导体中的电流，尤其是稀薄气体中的电流

The second and third structure movements of polymer involving slowpolarization effect is proposed by summing up a wide variety of experiment results, from Gibbsfunction, the parabola type relation between the reciprocal of slow dielectric coefficient andtemperature are obtained, which properly explains the β transition of polymer.

5归纳大量的实验结果，提出了聚合物的慢极化效应联系着二级和三级结构的运动；参照晶体中的软模理论，认为聚合物的β转变源自恢复力系数的软化；采用唯象理论，得出慢介电常数的倒数与温度T的抛物型关系，聚合物的β转变实验结果证明了理论的预言。

In this paper, based on the reciprocity theorem, the light scattering from a spherical particle above a slightly rough dielectric surface is studied.

基于互易定理研究了光波入射时微粗糙面与其上方球形粒子复合模型的光散射。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。