Optical flow is used for moving target detection.

运动目标检测主要采用光流法。

This method also can be used for stealth target detection.

这种方法也可用于隐身目标的检测和识别。

It is a difficult for the small target detection in complex scenes.

复杂场景中小目标的检测是一个难点。

Clutter must be effectively suppressed for moving target detection.

为了有效检测运动目标，必须对地杂波进行抑制。

Polarization detection is an important branch in radar target detection.

极化检测是雷达目标检测的一个重要分支。