In an undated picture, a mock-up of the A-12 spy plane sits perched upside down on a testing pylon at Area 51-part of radar tests to reveal revealed how visible, or invisible, the design was to radar.
在一张未标明日期的图片中，一架实物模型的A - 12间谍飞机倒挂着停放在51区的一个测试塔上，这是为了测试该飞机的外观在雷达上可视或不可视的程度。
Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.
与雷达和声纳技术相似，激光雷达(光探测和测距)的工作原理是通过向目标发射电磁波然后根据反射波构建图像。
This picture, published in Science by Ralph Lorenz of the University of Arizona and his colleagues, is a radar image of Titan, the largest moon of Saturn.
这副被Arizona大学的RalphLorenz及其同事发表在《科学》周刊上的图片，是土星的最大卫星——泰坦星上的雷达影像图。
Researchers at MIT's Lincoln Lab have built a radar system that can penetrate walls enough to give an "instantaneous picture of the activity on the other side."
麻省理工学院林肯实验室的研究人员创建了一个雷达系统，可以穿透墙壁，给出一张墙后活动的瞬间图像。
Like its Cousins radar and sonar, lidar, works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.
与雷达和声纳技术相似，激光雷达的工作原理是通过向目标发射电磁波然后根据反射波构建图像。
Put the lightnings' place and the intensity data on top of the radar echoes picture, it is found that the place where lightnings appear frequently is just the place where the radar echoes are strong.
应用闪电位置和强度资料与雷达回波图象相叠加，发现闪电出现频繁的区域，正好对应于雷达强回波区。
Put the lightnings' place and the intensity data on top of the radar echoes picture, it is found that the place where lightnings appear frequently is just the place where the radar echoes are strong.
应用闪电位置和强度资料与雷达回波图象相叠加，发现闪电出现频繁的区域，正好对应于雷达强回波区。
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