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dielectric
相关语句
  介质
    THEORETICAL ANALYSIS OF THE DIELECTRIC LOADED HORN
    介质环加载喇叭的理论分析
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    DESIGN AND MEASUREMENT OF PARAMETER ON THE CEREMIC DIELECTRIC WAVEGUIDE
    陶瓷介质波导的设计与参数测量
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    8mm Dielectric Integrated Antenna
    8mm介质集成天线
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    Network Analysis for the Millimeter Wave Dielectric Grating Antenna
    毫米波介质栅天线的等效网络分析
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    On H Plane Dielectric Loading for H Plane Ferrite Phase Shifter
    H面移相器的H面介质加载理论
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  “dielectric”译为未确定词的双语例句
    Dispersion Properties Analysis of Tapered Dielectric Optical Waveguide With Doubly Clad
    双包层渐变单模光波导色散特性分析
短句来源
    Analysis for Reflection and Radiation Characteristics of Tapered Planar Dielectric Surface Wave Antenna
    渐变平板表面波天线反射和辐射特性的分析
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    A new family of 2/72 fiber microduct cables of no more than 6. 2 mm outer diameter has been developed, providing 4/5/6 tubes in an SZ-stranded fully dielectric design, suitable for blowing distances of 1km in 10/8 mm microducts.
    松套层绞式微型光缆,有4单元、5单元、6单元三种结构, 最大直径不超过6.2mm,在10/8mm微管中可以一次吹送1千米以上。
    Calculation of Radar Cross Section of Arbitrarily Shaped Two-dimensional Dielectric Cylinder by Using Coupling of Finite Element-boundary Element Method
    有限元-边界元耦合法计算任意截面形状二维介质柱雷达散射截面
短句来源
    Combination of Extrapolation Technique and Moment Methods for RCS Computation of a Two-dimensional Dielectric Cylinder
    外推技术结合矩量法应用于二维介质柱RCS计算
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  dielectric
Because of the existence of nanopores, the dielectric constant of PI films decreased by a wide margin and was less than 2.0 at a PU mass fraction of 20%.
      
It implies that this is an effective means to reduce the dielectric constant of PI, but it also causes the decrease of tensile strength and the rise of water absorption.
      
Lead zirconium titanate (PZT) films (Zr/Ti=45:55) with a high dielectric constant are prepared successfully on the low-resistance Si substrate in sol-gel dip-coating process with PT film used as the buffer layer.
      
The dielectric and ferroelectric properties of the films as well as the relationship between crystallization and preparing condition are studied.
      
The relative dielectric constant εr and the dissipation factor tgδ of the PZT thin films were measured with an LCR meter and were found to be 158 and 0.04-0.005, respectively.
      
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This paper investigates the measurement of open waveguide characteristics. After the properties of dielectric waveguide are briefly described, the experimental methods for determining dispersion characteristic, attenuation characteristic and field distribution of open dielectric waveguide are presented.

本文研究开波导特性的测量。在简明叙述介质波导的特性之后,介绍了为确定开介质波导的色散特性、衰减特性和场分布而进行的实验。

This paper gives a solution of the characteristic equations of the boundary conditions of the dielectric ring loaded horn. This leads to transformation formulas for the connecting boundary of the dielectric ring loaded waveguide and smooth walled waveguide. Using these formulas, the radiation characteristics of the dielectric ring loaded horn according to the design in reference [1] are found. The calculated values are very close to experimental results.

本文对介质环加载边界条件特征方程进行了求解。导出了介质环加载波导与光壁波导连接处的模转换计算公式。并且根据这些公式计算了文献[1]设计的介质环加载喇叭的辐射特性,计算结果非常接近实测结果。

The results of an actual X-band rectangular waveguide phase controlled antenna array are given. Using the antenna array as boundary values of electro-magnetic field, a solution of the field equations is made, and an integral equation of the tangential electric feild function of an unknown aperture is established. Through conversion to matrix methods, numerical results are obtained by using the DJS-6 computer. A sourceless small array containing 115 elements was made. The directional diagram of the array element...

The results of an actual X-band rectangular waveguide phase controlled antenna array are given. Using the antenna array as boundary values of electro-magnetic field, a solution of the field equations is made, and an integral equation of the tangential electric feild function of an unknown aperture is established. Through conversion to matrix methods, numerical results are obtained by using the DJS-6 computer. A sourceless small array containing 115 elements was made. The directional diagram of the array element was measured. Also two magnetic H face waveguide simulators: HIC 14℃ and HIC 29℃ were made, and experimental tests were performed. The parameters of the wide angled matching dielectric plate and the matching foil over the aperture were determined by theoretical calculations and experimental results are quite close to each other. On the 8600-9600 MHz band and ±60℃ scanning spherical cone; the VSWR of input voltage on the antenna is less than 2.

本文给出X波段矩形波导相控阵天线的研制结果。将该天线作为电磁场边界值问题求解,建立了以孔径切向电场为未知函数的积分方程。经矩法处理后,在DJS-6型电子计算机上得到了数值解。制作了115元的无源小阵列。测量了阵单元方向图,加工了两个H面波导模拟器:HIC14°和HIC29°,进行了测试。宽角匹配介质板和孔径上匹配膜片的参数是通过理论计算和试验调整确定的。理论计算结果与测量结果相近。在8600—9600MHz频段和±60°扫描圆锥体内,天线的输入电压驻波比VSWR<2。

 
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