A Synchronization method and apparatus for the OFDM systems includes three portions of delay conjugate multiplication, phase processing, and edge detection.

一种正交分频多工系统之同步方法与装置，主要包含延迟共轭相乘、相位处理，以及边界侦测三个部分。

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Speaker edge, method of foam-molding same, apparatus for foam-molding same, speaker edge foam-molding system, and speaker employing speaker edge.

扬声器棱边，其发泡成型方法，生产扬声器棱边的装置和系统以及包括该棱边的扬声器。

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Broadly speaking, the embodiments of the present invention provide an improved plasma processing mechanism, apparatus, and method to increase the process uniformity at the very edge of the substrate.

大体而言，本发明的实施例提供了改进的等离子处理机构、设备和方法以提高基片边缘处的处理均匀性。

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