The project is designed with high efficiency, energy saving, digital, small volume features of the D for audio amplifier core portable digital megaphone.

摘 要 本项目设计的是以具有高效、节能、数字化、体积小等特点的D类音频缩小器为中心的便携式数字扩音器。

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The multifrequency receiver designed with this method has the property of lower rate of processing and high calculation efficiency.

用这种方法设计的多频信号接收器具有工作速度低和运算效率高的特点。

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Theoretical analysis shows that the splitter with high diffraction efficiency and uniform distributed light intensity can be designed by incidence Angle optimization.

理论分析表明，通过对入射角进行优化可以得到衍射效率高且光强分布均匀的分束器。

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