英语语法分析

The broadband FM signals and the narrowband CF signals travel out to a target, reflect from it, and return to the hunting bat.

宽带 FM 信号和窄带 CF 信号传输到目标，从目标反射回来，然后返回猎蝠。

Both images were made using narrowband filters and different color mappings.

两张照片都用窄波段滤光镜和不同颜色映射。

The wideband and narrowband correlations for two hydrophones were also calculated.

同时也计算了两个水听器噪声的宽带和窄带空间相关系数。