rectangular window

Sub-frame makes the original signal into a section of the section, Corresponds to the original signal plus a rectangular window in the time domain.

分帧使得原本的信号变成一段一段的，相当于对原始信号时域内加了一个矩形窗。

Must use only rectangular windows, and must include the window frame.

必须只使用矩形窗口, 而且必须包括窗口框架.

An Engineering Design of a Broad-band High Power Rectangular Hermetic Window

宽带高功率矩形密封窗的工程设计

Used for the rectangular window of superstructure above freeboard deck and deck house.

适用于船舶干舷甲板以上的上层建筑及甲板室的矩形窗.

The window is imposed on the part of the cyclic prefix which is not disturbed by the multi-path, and relives the edges of the truncated signal to reduce the spectral leakage due to the rectangular window.

这种方法利用了循环前缀中未被多径信道污染的部分进行时域加窗处理，缓和了信号截断边缘，降低由于矩形窗带来的干扰频谱泄漏。