permittivity

Test method for complex permittivity of solid dielectric materials at microwave frequencies& Perturbation method

GB/T7265.1-1987固体电介质微波复介电常数的测试方法微扰法

A perturbation test method of rectangular cavity is discussed for determination of complex permittivity of dielectric materials at microwave frequencies.

本文讨论了测试电介质微波复介电常数的矩形腔微扰法。

Stripline test method for complex permittivity of microwave dielectric substrates

GB/T12636-1990微波介质基片复介电常数带状线测试方法

Then the influences of dumbbell shape and the material permittivity on frequency characteristics are discussed.

然后讨论了哑铃的形状、大小、间隙以及介质介电常数对其频率特性的影响。

Based on MPT, the experimental research on the interaction between plasma and radio wave is made with the plan of permittivity testing of transmission line method and space-wave method.

在微波等离子体发生器（MPT）的基础上，借鉴传输线法与空间波法的测量电介质的实验方案，开展了等离子体喷流与电磁波相互作用的实验研究。

Experimental results have proved that size effect exists for electrical conductivity, optical constants, permittivity, permeability and carrier density in ultrathin Al Ti and Fe films as the thickness of the film decreases to nanometer size range.

实验结果表明，超薄Al、Ti、Fe膜在纳米尺寸范围内，随厚度变化，电导率、光学常数、介电常数、磁导率、载流子浓度和等离子体共振均存在尺寸效应。

Time-domain Measurement of Permittivity of Concrete Materials by Wavelet Modeling

小波建模法在混凝土材料介电常数时域测量中的应用研究

Microwave Permittivity of Arbon Nanotubes

碳纳米管的微波介电特性

In addition, the incorporation of MWNTs greatly increases the dielectric permittivity of PP/ BT nanocomposites.

除此之外，MWNTs的引入有助于显着提高PP/BT两相复合材料的介电性能。

By analyzing the gap width of radiated patch, ground plane and the thickness as well as relative permittivity of dielectric substrate, we carefully research these factors.

通过分析开缝微带贴片天线辐射贴片缝隙宽度、接地板缝隙宽度、介质基板厚度以及介质基板相对介电常数，仔细研究这些因素对开缝微带贴片天线的影响。

Studying the Permittivity of Atomic by the Theory of Quantum Optics

从量子光学理论探讨原子的电极化率

Simultaneous Measurement of Complex Permittivity and Complex Permeability Using Stripline Method

带线法同时测量复介电常数和复磁导率

Measuring Complex Permittivity of Polymer Thin Sheet Using Microwave Method

聚合物薄片的复介电常数微波测量方法

The transmission characteristic of microstructure is changed by corrected permittivity and TFM with metal roughness variety.

利用修正相对介电常数法和准静态法分析了微结构金属表面的粗糙度带来的结构传输特性的变化.

The dielectric permittivity and pyroelectric coefficient of Tb-modif ied Sr 0.61 Ba 0.39 Nb 2 O 6 crystals were measured.

用铽改性SBN晶体能有效地改善晶体的性质.实验测量了铽改性Sr0.61Ba0.39Nb2O6晶体的电容率和热电系数.

Its impedance bandwidth is wider than high permittivity microstrip antenna.

和高介基片微带天线相比,介质谐振器天线的阻抗带宽要大的多.

Study on fabrication of cubic PZT powder with lower permittivity

立方体形低介电PZT粉体的合成研究

Diamond has many characters, such as high thermal, low permittivity, high band gap, super high hardness, low friction etc, which makes it possible to be widely used in industry.

金刚石具有高导热率、低介电系数、高禁带宽度、超高硬度、低摩擦系数等性质，在国民经济的许多部门得到了广泛的应用。

Nondestructive Measurement of the Complex Permittivity of Manufactured Stripline Substrate

无损测定成品带线基片的复介电系数

An New Method of Determining Permittivity and Permeability by Scattering Coefficients Based on NRW Theory

基于传输反射原理的散射参数反演材料电磁参数的新方法

As a main function parameter of dielectric material, measurement methods of permittivity are diverse.

介电常数是介质材料的主要性能参数之一, 其测量方法多样.

Calculation of effective permittivity of microstrip with time-domain transform method

用时域变换的方法计算微带线的有效介电常数

Measurement of effective permittivity for solution chemical reaction and analysis of air bubble effect

液相化学反应介电常数的测量与气泡影响分析

Furthermore, the permittivity of CaTiO_3 increased with the temperature rising, which resulted in the heating way of positive feedback. The heating way of positive feedback was one of the main reasons for the occurrence of thermal runaway in the BF slag bearing high TiO_2.

此外，实验测得CaTiO3的介电常数随温度的升高而增大，这种正反馈加热方式正是高钛高炉渣在微波场中发生热失控的主要原因之一。

The effects about potential distribution by time-harmonic character and permittivity a.

最后讨论了时谐性和电容率对电位分布的影响.

The Influence of Image Quality of Calibrating& With Low Permittivity Material in ECT

ECT技术对成像的影响&用低介电参数物质标定

The high values of dielectric permittivity at high temperatures are due to charge carrier movement.

尼龙1010在高温低频时呈现很大的介电系数，是由于载流子的运动所致。

Mechanism of the Change of Permittivity in Sodium Chloride Aqueous Solution Under the Microwave Action

微波作用下氯化钠水溶液介电特性变化机理

Relative dielectric permittivity and loss angle tangent among them are the two of most important indexes.

相对介电常数和介质损耗角正切是其中的两个重要的性能指标.

Using Coaxial Cavity and Coalesce with Perturbation Techniques to Measure Medium's Complex Permittivity

同轴谐振腔及微扰法测量介质介电常数