Output far field radiation pattern measurement 输出远场辐射图测量
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Output near - field radiation pattern measurement of optical waveguide fiber 光学波导纤维的输出近场辐射图形测量
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Numerical aperture of step - index multimode optical fibers by output far - field radiation pattern measurement 用输出远场辐射图测量确定步长指数多模光纤的数值孔径
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Comparision spectrum and spatial distribution of pulse current on a transmission line and it ' s near and far field radiation pattern 传输线线上脉波电流之频谱与分布及其各频率成份之辐射远近场型之差异。