假定没有从被击落的飞机信号。
这种攻击通过模拟ads - B的数据报文，在地面空管人员的显示屏或飞行员的跟踪显示屏上建立假的飞机信号。
This attack mimics the format of ADS-B data packets to create fake aircraft signals, either on the ground controller's screen or on the pilot's tracking display.
F103号飞机已按照无线电信号飞回基地了。
由于射频信号可能会干扰某些电子医疗装置和导航系统，在医院里和飞机上通常禁止使用移动电话。
Mobile phones are often prohibited in hospitals and on airplanes, as the radiofrequency signals may interfere with certain electro-medical devices and navigation systems.
蓝色航空公司一名发言人说，该飞机没有任何已知技术问题，飞行员也没有发送过任何紧急求救信号。
An Airblue spokesman said the plane had no known technical issues and the pilots did not send any emergency signals.
当它从手机网络、飞机或卫星接收到恰当信号时就会爆炸、关闭或是改变运作方式。
When it receives the right radio signal, from, say, a mobile-phone network, aircraft or satellite, the device may blow up, shut down, or work differently.
天线若放得太近，信号就会互相干扰，而天线林立也会妨碍飞机跟武器。
If placed too close together, antennae interfere with each other's signals. They also get in the way of aircraft and weapons.
数字信号在建筑物、山坡、树木或者甚至掠过飞机时，会发生发射，这时会出现像素问题。
Pixelation occurs when the digital signal bounces off buildings, hillsides, trees or even passing aircraft.
然而，飞机是由金属制成的事实将会增强它们返回到雷达的信号，以致使飞机很难完全被遮盖，希尔说。
However, the fact that the planes are made out of metal will increase their radar return and make it very hard to completely mask them, Hill said.
这些黄色框和黑色框的装置，的箭头标志，这些箭头信号反馈回，自动导航装置，所以飞机可以，稳定航线。
And the arrow signals that come from the bearings of the yellow housing and the black housing, those arrow signals are fed back to the automatic pilot and so the plane will stay on course.
隐形飞机依赖其外形来逃避雷达，这种外形能避免雷达波从机体资源上反射信号、且含有能吸收雷达能量的物质。
Stealth aircraft rely on shapes that prevent radar waves from bouncing back to their sources and on materials that absorb radar energy (stealth-plane time line).
飞机在午夜前后到达指定区域，看到地面上出现了正确的识别信号。
Reaching the designated area around midnight, the aircraft received the proper recognition signal from the ground.[7]
这是波音努力追逐空客的信号。 空客公司的重新安装引擎后的A320单过道飞机曾赢得了超过1200个订单。
This is a sign that Boeing is playing catch-up with Airbus, which has won over 1, 200 orders for its re-engined single-aisle A320.
对于有合适保护层的新飞机来说，这些信号对它们不会产生太大问题，应该不会有什么问题，但Carson说智能手机对旧飞行器有很大杀伤力。
New planes with the proper sheathing shouldn't experience many problems, but Carson claims that phones are a genuine safety hazard on older model air crafts.
雷达信号接触到飞机的任何部位，都会有部分被反射回来。
No matter where the radar signal hits the plane, some of the signal gets reflected back.
这位官员称，这架飞机也应该能够探测到敌方部署的电磁干扰，拦截他们的通信信号。
The aircraft should also be able to detect the counter-measures employed by enemies and intercept their communication signals, the official said.
结果是，像美国F-117A一类的隐形战机的雷达反射信号出仅仅如一只小鸟，而并非一架飞机。
The overall result is that a stealth aircraft like an American F-117A reflects the radar signature of a small bird rather than an airplane.
“收获者”执行飞行作战任务时，导航员既失去了对无人机的“实际控制”，也不能与遥控飞机建立联系并发送控制输入信号。
The Reaper was flying a combat mission when operators lost "positive control" of the UAV, or the ability to establish connections and send control inputs to the remote-controlled aircraft.
航空飞行管理人员说，他们在法航这架空中客车330飞机失踪之前没有收到机组人员发出的任何异常信号或呼救信号。
Air traffic controllers say they received no unusual messages or distress calls from the crew of the Airbus 330 before it disappeared.
发现飞机碎片的地方是飞机最后一次发送信号时所在位置的右方。
"The locations where the objects were found are towards the right of the point where the last signal of the plane was emitted," Amaral said.
在SHEL的最初测试中，ABL飞机使用安装在“大乌鸦”飞机上的激光信标模拟实际导弹目标会产生的返回信号。
On this initial test of the SHEL, ABL made use of beacon lasers installed on Big Crow to simulate the targeting return it would receive from a live missile target.
那些搜索者终于收到了一个那架失事飞机发出的信号。
The searchers at last picked up a signal from the crashed plane.
第二天一大早，她听到头顶上有飞机飞过，但不知道怎样才能发个信号。
Early next morning, she heard planes passing overhead and wondered how she could send a signal.
飞机压力传感器发送一个代表飞机外压力的模拟电子信号。这个模拟信号转换为数字信息，并由数字部分进行处理。
The aircraft pressure sensor delivers an electric analog signal representative of aircraft pressure. This analog signal is converted to digital information to be processed by the digital section.
飞机现在像发光的信号一样在控制器的绿色雷达屏幕上移动。
Aircraft now move across a controller's green radar screen as a blip of light.
该飞机选装了双通道导航接收机，可以接收VOR和ILS信号。
The aircraft was equipped with dual nav receivers capable of receiving VOR and ILS signals.
飞机上安装了一个吸收敌方雷达信号的装置。
The planes are fitted with a device that absorbs enemy radar signals.
可见光通信的一大好处在于：它在装有可能会受无线电信号干扰的敏感设备的场所能派上用场，如飞机上及手术室内。
A big advantage of light is that it can be used in areas which contain sensitive equipment that radio signals might interfere with, such as aircraft and operating theatres.
可见光通信的一大好处在于：它在装有可能会受无线电信号干扰的敏感设备的场所能派上用场，如飞机上及手术室内。
A big advantage of light is that it can be used in areas which contain sensitive equipment that radio signals might interfere with, such as aircraft and operating theatres.
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