But delays and inefficiencies in air travel are due in large part to an outdated traffic-control system that still relies on slow, ground-based radar stations and repetitive voice communication.
不过航空运输延迟和低效的主要原因还是过时的空中交通管制——一套依靠地面控制、反应迟缓的雷达站和不断重复的语音通讯建立起来的体系。
The pulse Doppler(PD)radar technique in ground-based radar is mainly applied to detecting motive targets in strong clutter jamming circumstance.
地面雷达中的脉冲多普勒（PD）技术主要用于在强杂波背景下对动目标的检测。
The mode of march-while-operate is a new way to improve the survivability of ground -based radar in wartime.
“边行进边工作”体制是提高陆基雷达战时生存能力的一种新途径。
In this paper, the concept of calibration for mobile ground-based radar and the classic method of calibration for the mobile ground-based radar are described.
介绍了地面机动雷达标定的概念和机动雷达经典的标定方法。
In this paper, the concept of calibration for mobile ground-based radar and the classic method of calibration for the mobile ground-based radar are described.
介绍了地面机动雷达标定的概念和机动雷达经典的标定方法。
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