However, German radar detected large plane formations and Luftwaffe fighters were scrambled, shooting down 22 B-24 bombers within the first 10 minutes of battle.
然而，当德国雷达探测到庞大的飞机编队时，德国空军战斗机紧急起飞，在最初的10分钟交战中便击落22架b - 24轰炸机。
The competition to provide the radar came down to Raytheon, offering a modified APG-63, and Northrop Grumman, offering its APG-77, which equips the F-22.
提供雷达的竞争来自雷声和诺·格公司，前者提供改进的APG- 63，后者提供装备在F - 22上的APG - 77。
The team paddles the kayaks whilst running the radar, over the carefully selected 25 kilometer course along a meltwater channel which runs down the middle of the glacier's floating ice shelf.
该团队精心选择了位于冰川浮动冰架中间的25公里融化水道，一边划着橡皮船，一边操纵雷达。
As a result, no radar record of the breakup exists-only of the metal rain that drifted down over East Texas, and eventually came into the view of air-traffic control.
结果关于航天飞机解体的情况一份雷达记录也没有——雷达只记录了那些从东德克萨斯州上空飘落，并最终进入空中交通管制范围内的金属雨。
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。
Digital down - conversion (DDC) is an important technique of digitized radar receiver.
数字下变频技术是数字化雷达接收机的关键技术之一。
The larger trails can be seen with the naked eye, but even the smaller meteors down to 15th magnitude, which are more common, the left trails that provide radar targets.
大的流星尾巴可被肉眼看见，但最经常出现的是那些亮度相当于15等星以上的小尾：这些小尾成了雷达探测的目标。
The characteristics of clutter in look-down mode for helicopter radar is presented.
以直升机雷达平台为背景，分析了机载雷达下视模式的杂波特性。
An important index to influence the down-looking capability of airborne phased array radar is the ultralow sidelobe level of antenna.
影响机载相控阵雷达下视能力的一个重要指标是天线的超低副瓣特性。
Further study is made on target velocity measurement of radar, double-channel filter method and another one which based on chirp up and chirp down signal are discussed.
对雷达测速方法作了较为深入的研究，讨论了双通道测速法和正负斜率线性调频脉冲测速法。
Owing to refractive effect in lower atmospheric, the depression and incident angles of down looking radar vary with weather conditions.
由于低层大气的折射效应，俯视雷达的俯角和入射角将随气象条件而变化。
The aircraft disappeared from radar and went down in farmland after making a second attempt to land.
飞机从雷达上消失，在第二次尝试降落后，坠入一片农田。
Use it to shut down the enemy Construction yard removing radar and clearing it's build queues.
使用它关闭主基地，清除雷达和敌人得建造序列。
Israel has successfully tested its Iron Dome defense system, which USES cameras and radar to track incoming rockets and can shoot them down within seconds of their launch.
以色列成功测试了其“铁穹号”防御系统，该系统利用摄像头和雷达来追踪入侵的火箭弹，能够在发射几秒内将其击落。
A down-looking radar was limited by a critical depression Angle when it detects the target on the ground.
俯视雷达测量地面目标时会受到临界俯角的限制。
With the onset of the second World War he joined the Royal Air Force, eventually becoming an officer in charge of the first radar talk-down equipment during its experimental trials.
二战爆发后，克拉克加入了皇家空军，最终成为负责首次雷达无线电降落设备试验的军官。
With the onset of the second World War he joined the Royal Air Force, eventually becoming an officer in charge of the first radar talk-down equipment during its experimental trials.
二战爆发后，克拉克加入了皇家空军，最终成为负责首次雷达无线电降落设备试验的军官。
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