多普勒质心估计是机载脉冲多普勒雷达dbs成像技术中最为关键的步骤之一。
Doppler centroid estimation is one of the most important steps in the DBS imaging of airborne pulse Doppler radars.
本文研究的雷达视频回波信号模拟与仿真是针对机载下视脉冲多普勒雷达，包括目标信号、地杂波信号和噪声信号的模拟与仿真。
In the thesis, the video echo of the airborne PD radar was simulated. The simulated echoes include the signals of the target, the ground clutter and the noise.
地海面杂波特性对主要采用下视工作方式的机载脉冲多普勒（PD）雷达具有十分重要的影响。
The characteristics of the ground and sea clutter have some important effects on the airborne PD radars with look down mode.
机载脉冲多普勒气象雷达则能够用清晰的图像实时显示出飞机前方的气象状况，并及时将极端天气的报警信息提供给飞行员，以提前躲避危险。
Airborne pulse doppler weather radar could display clear colorized weather image dynamically on its screen and give pilots alarm about the extreme weather area to avoid risk betimes.
脉冲多普勒(PD)雷达由于其优越的性能在机载雷达中得到广泛应用。
The pulse Doppler (PD) radar is used widely in the airborne radar because of its superior performance.
脉冲多普勒(PD)雷达由于其优越的性能在机载雷达中得到广泛应用。
The pulse Doppler (PD) radar is used widely in the airborne radar because of its superior performance.
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