Wind farm turbines create a Doppler effect as they rotate, creating a potential radar blackout zone.
风力涡轮机在旋转过程中产生多普勒效应，形成一个潜在的雷达中断区。
The HALS system provided the UH-60 pilots with continuous 3d real-time radar imagery of the landing zone throughout the approach, hover, and landing in complete brownout.
在灯火管制情况下，在整个接近、盘旋和着陆过程中，HALS系统可以向UH - 60飞行员提供着陆区的连续三维实时雷达图像。
"The Bagram MERLIN system is the first use of bird radar technology in a war zone, another industry first for DeTect," commented Gary Andrews, DeTect's CEO.
公司总裁GaryAndrews说：“巴格·拉姆的MERLIN系统是鸟击雷达技术首次在战争地区使用，对DeTect公司来讲也是首次。”
So it is necessary to study the driving structure and control scheme of new system radar in order to track continuously in whole hemisphere without blind zone.
因此，研究新体制的三轴雷达的驱动结构及控制方案以实现大于半球的全空域无缝隙连续跟踪就变得十分必要。
Aimed at the difficulty in calculating an electrically large size antenna by using MOM, a far zone approximate method based on MOM (MOM-FZ) was presented for calculating radar antenna pattern.
针对运用矩量法计算电大尺寸天线时遇到的严重困难，提出一种基于矩量法的计算天线远场的远区近似(MOM- FZ)方法。
Based on the detection principle of ground penetrating radar, this paper analyses the feasibility of detecting fractured rock zone in mine roadway with the radar.
在简述地质雷达探测原理的基础上，分析了巷道围岩松动圈雷达探测的可行性。
This paper discusses the principle of MPRF wave-form design for airborne PD radar, and the range-velocity blind zone is calculated.
探讨了机载PD雷达MPRF波形设计的原则，并计算了距离-速度盲区，最后，分析了检测精度对解距离模糊的影响。
Based on the theory of the multi-beam amplitude comparison DF of the new-style radar detector, the DF blind zone of multi-beam radar detector on inner site is analyzed in this paper.
从新型雷达侦察机多波束比幅测向原理出发，对新型雷达多波束侦察机多波束比幅测向内场仿真试验引起测向盲区问题进行了分析，为正确评估电子战侦察设备整体性能提供帮助。
The result shows that the ground penetrating radar can be used to detect the fractured rock zone in mine roadway and the result can be used to design anchor support in the roadway .
结果表明，采用地质雷达探测巷道围岩松动圈是可行的，可以用于指导巷道围岩的锚杆支护设计。
Electromagnetic wave of radar propagates abnormally in the duct. It is very important to study the influence of the duct on radar detecting zone.
大气波导会使雷达电磁波传播产生异常现象，研究其对雷达探测范围的影响具有重要意义。
Electromagnetic wave of radar propagates abnormally in the duct. It is very important to study the influence of the duct on radar detecting zone.
大气波导会使雷达电磁波传播产生异常现象，研究其对雷达探测范围的影响具有重要意义。
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