frequency modulation data

• 调频数据

frequency modulation data的用法和样例：

例句

1. The key of this method is the pre-filter, which convolutes the raw data with a selected azimuth LFM.
   它的核心步骤是预滤波，可以实现方位向数据和一个参数可调的线性调频信号的卷积。