介绍了用于现代雷达系统的光波导的基本特性和设计考虑，包括其物理和传输性能。

Optical waveguides for modern radar system applications are presented. Their fundamental properties and design considerations are described including their physical and transmission characteristics.

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运用线性系统理论分析了阵列波导光栅的模场特性，导出器件传输的数学模型即光栅方程。

The characteristic of arrayed waveguide gratings is analyzed with the linear systems theory and the optical grating equation is educed.

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微带线和波导是两种重要的微波、毫米波传输系统。

Microstrip and waveguide are two important kinds of microwave and millimeter-wave transmission lines.

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