• The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line.

    传输线线上电流频谱与分布及其频率成份辐射远近之差异。

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  • According to the radiation temperature derived from the imaery, the quantitative analysis of the spatial distribution pattern of urban thermal field was done.

    根据反演出地表辐射温度福州市城市热力空间分布特征和热力景观进行了定量分析

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  • Verification of differences of characteristics of electromagnetic field image and radiation pattern in the near and far field are demonstrated.

    验证电磁场影像特性场中之差异

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  • The far-field radiation pattern of the open-end rectangular waveguide was measured and the complex coefficients of each mode were determined by this method.

    这种方法先根据波导口尺寸利用惠更斯原理计算模式辐射场的分布;

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  • The aperture field distribution of the ring focus antenna is reviewed in view of the energy conservation law, and the simple formula for calculating its radiation pattern is deduced.

    该文从能量守恒观点出发,讨论了副面为椭圆天线口径分布导出了计算方向简单表达式

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  • The antenna radiation pattern and antenna coupling or isolation as well as near electric field strength are measured by using anechoic chamber as the test site of ship model prediction.

    采用电波暗室作为船模预测试验场地,进行天线方向图、天线耦合度(隔离度)、场强等参数测试。

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  • The identification of mode compositions of gyrotron output power is discussed by using far-field radiation pattern analysis.

    讨论测量远场辐射花样入手来鉴别回旋输出成份问题。

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  • On the basis of the experimental element pattern and GTD, an efficient numerical method for analyzing 3-D radiation field of antennas on the truncated cone-cylinder is presented.

    根据实测单元天线方向图,利用几何绕射理论,给出了金属截锥柱侧天线三维辐射有效数值分析方法

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  • An oval-shaped radiation pattern provides a wider field of view with higher luminosity than standard LEDs, making the devices ideal for outdoor applications where readability in sunlight is essential.

    椭圆形发光模式LED标准的LED产品相比不但扩大视角,而且增强了亮度,这使得这些器件特别适合于要求阳光下清晰可读户外应用

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  • An oval-shaped radiation pattern provides a wider field of view with higher luminosity than standard LEDs, making the devices ideal for outdoor applications where readability in sunlight is essential.

    椭圆形发光模式LED标准的LED产品相比不但扩大视角,而且增强了亮度,这使得这些器件特别适合于要求阳光下清晰可读户外应用

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