具有较小的绝缘介质损耗。
高温和高频时介电常数和介质损耗都小3。
Maintains small dielectric constant and dielectric loss at high.
介质损耗测量是电力系统中的常规试验项目。
Dielectric loss measuring is the normal test items in electric power system.
基于正交分解的介质损耗因数数字测量算法。
A novel algorithm of dielectric loss measurement based on orthogonal decomposition.
测量介质损耗是高压电气测量绝缘的基础试验。
Measuring the medium loss is the insulating foundation experiment of electric measurement of high pressure.
在此基础上设计与实现了数字化介质损耗在线监测系统。
Then, designed and implemented the digital dielectric loss on-line monitor system in this foundation.
介质损耗测量是电力系统中检测高压电气设备的常规项目。
Dielectric loss measuring is the normal item to test the high voltage equipment in electric power system.
而且油流带电电荷密度与介质损耗因数和电导率有一定的相关性。
And the charge density of oil streaming electrification is related to the dielectric loss factor and conductivity.
众所周知，微带线的损耗主要有介质损耗，导体损耗和辐射损耗。
As we all know, the losses of microstrip lines mainly include dielectric loss, conductor loss and radiation loss.
我司产品具有抗电能力强，介质损耗小，使用寿命长等优良特性。
Products have various merits such as high resistance of electricity, low loss of dielectric, long life and etc.
本文研制了一套在调频串联谐振电压下进行介质损耗因数测量的系统。
The author has developed a dissipation factor measuring system using the variable frequency series resonant voltage.
介质损耗测量作为高压电器设备预防性试验的重要手段，目前应用得很普遍。
The medium wastage measure is an important method to high voltage equipment defendable experimentation, now it is widely used in many fields.
通常，木材的轴向介质损耗参数大于径向和弦向者，径向与弦向之间略有差异。
Usually, the axial parameters of dielectric loss are greater than those of radial and tangential and there is a slightly difference between radial and tangential.
文中介绍了DZCPV法的原理及使用该方法的介质损耗测量装置的具体设计。
In this paper the principle of DZCPV method is presented and the concrete design of a dielectric loss measuring device using DZCPV method is described.
钛酸钡具有高介电常数、低的介质损耗等优异的性能，广泛地应用于电子工业中。
Barium titanate (BaTiO3) is a well-known ferroelectric material with high dielectric constant and low losses above room temperature, and it is extensively used in the electric industry.
仿真和试验结果表明该算法在增加较少运算量的同时提高了介质损耗角的测量精度。
The results of simulation and tests indicate that using the proposed algorithm the dielectric loss Angle can be measured more accurately while less calculation amount is increased.
在对介质损耗角正切值多种在线监测方法进行详细分析的基础上，选中频域分析法。
Based on detailed analysis about dielectric loss measuring methods, the Spectrum Analysis Method is selected.
计算了激励场在介质层内外的分布曲线，并分析了介质损耗及厚度对场分布的影响。
The field distributions in or outside the dielectric layer are calculated. And the influences of dielectric loss and dielectric layer's thickness on the field distributions are discussed.
分析表明：在木材的四种极化现象中偶极子取向极化的热效应是介质损耗的主要方面。
The result shows that the heat effect of dipole orientation polarization is the principal aspect of the medium loss in the four kinds of polarization phenomena of timbers.
本发明提供即使是像氮化铝那样介质损耗因数极小的陶瓷也高效且牢固地接合的方法。
Provided is a method of efficiently and strongly joining ceramics even when they are ceramics of extremely low dielectric loss factor, such as aluminum nitride.
因此对电气设备绝缘介质损耗的测量已逐渐成为国内外电气研究中的一个较热门的领域。
So it has become a hot domain in the electrical research to measure the dielectric loss .
介质损耗测量过程中杂散电容及高压引线寄生电容对测量结果的准确性有着很大的影响。
In the course of medium wastage measure, the sundry capacitance and high voltage down-lead parasitical capacitance greatly affect the veracity of the result.
本方法适用于高性能天线罩介质损耗的精确测量，可以为天线罩的研制提供有效的判据。
It may provide an effective criterion for antenna radome research. The material and the manufacture technology of some sandwiched radar radome were optimized by means of this method. The test res...
电容型设备介质损耗因数的在线监测会受到环境因素的影响，对其进行合理修正非常必要。
Precision of on-line dielectric loss factor monitoring can be affected by environmental factors, so it is necessary to modify it.
谐波分析法是绝缘介质损耗因数在线测的方法，相应讨论影响介损在线监测精度的主要因素。
Harmonic wave analysis method is the insulator medium consume factor on line method and discussed hte effect on the main factor of the medium consume on line supervision precision.
并指出：QS1西林电桥不适于测试膜纸复合绝缘电容器的介质损耗因数，推荐采用变频电桥；
It is also indicated that the QS1 Schering bridge is not applicable for the said test and the use of converter bridges suggested;
基于这种变频法思想，结合傅里叶变换频谱分析法推导了介质损耗参数的工频等效计算公式和算法。
Applying Fourier transform frequency spectrum analysis, the equivalent formula and arithmetic for calculating the dielectric loss at power frequency are deduced.
针对介质损耗测量在准确度和抗干扰等方面的不足，提出了一种基于注入信号法的介损测量新方法。
Traditional methods for the measurement of dielectric loss are difficult to meet the requirement of accuracy and anti-interference.
对于电介质来说，它是介电常数和介质损耗角的正切的乘积，这是对出现在电介质中的热效应的量度。
Of a dielectric the product of dielectric constant and the tangent of its dielectric loss Angle; a measure of the heating effect which occurs in dielectrics.
建议在现场进行这类试品的介质损耗测量时，必须注意将电桥或介损仪的接地点与被试品接地法兰或底座相连接。
It is suggested that when making field measurement of the dielectric loss of such objects, the instrument be connected to the flange or the base of the object to be earthed.
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