英语语法分析

Finding Cycles: periodic and Nonperiodic.

寻找周期：周期的和非周期的。

The window Fourier transform(WFT )is one solution to the problem of better representing the nonperiodic signal.

窗口傅里叶变换能够更好的解决关于非周期信号的表示问题。

This paper explains a new nonperiodic Amplitude-Phase Code, which has multi-level quantized amplitude and low auto-correlation sidelobes.

本文提出一种新的非周期幅相码，这种码具有多种幅度和相位，其自相关函数副瓣电平比较低。