无标题文档 关键词 ：平顶高斯光束；束宽；对称化变换 [gap=386]Key words: flattened Gaussian beam(FGB)； beam width； symmetrical tra nsformation
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在激光光束质量问题中，光束束宽的定义至关重要。
The definition of beam width is significant for the quality of laser beam.
恒定束宽加权矩阵的获得方法是设计此类声纳基阵的技术关键。
It is the key technology for design of the constant beamwidth array to calculate the weight matrix.
对平顶高斯光束有关的一些重要概念，例如场分布和束宽等作了物理分析。
Some important concepts relating to the flattened Gaussian beams (FGBs), such as the field distribution and beam width, are analyzed physically.
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