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在日新月异的军事科技领域里,雷达技术作为一种视域广阔、跟踪定位能力极强的现代监视技术而倍受人们的青睐。雷达特别擅长对空中飞行器的远距离探测跟踪,但由于需达发射的电磁波只能沿直线传播,这就使安装在地面上的雷达因受地球曲率和地形高低起伏的影响,而经常形成一些雷达探测不到的盲区,因此雷达的探测功能和预警功能受到了极大的限制和削弱。为了克服和弥补雷达的这一缺陷,根据“站得高,看得远”的原理,人们产生了把雷达搬上飞机的想法。最先实践这一想法的是美国
In the ever-changing field of military science and technology, radar technology is widely favored as a modern surveillance technology with a broad field of view and a strong tracking and positioning capability. Radars are especially good at long-range exploration and detection of airborne vehicles. However, since the electromagnetic waves to be transmitted can only propagate in a straight line, the radars installed on the ground often cause some radar due to the influence of the earth’s curvature and terrain. Detect the blind spot, so the radar detection and early warning function has been greatly limited and weakened. In order to overcome and compensate for this shortcoming of the radar, according to the principle of “standing tall and seeing far”, people have come up with the idea of moving the radar to the plane. The first to practice this idea is the United States