用于广播信号或电视信号放大。
他们需要增强广播信号以便更好地接收。
They needed the radio signal to be amplified in order to receive it properly.
用于广播信号放大。
第一调谐器从所接收到的广播信号中调谐用户选择的频道。
A first tuner tunes a channel selected by a user from received broadcast signals.
本文主要讨论了基于调频广播信号的无源雷达的部分关键技术。
This paper discusses some of the key techniques of passive radar based on FM-broadcast signals.
正如我的预料，要想接收卫星广播信号，就得预付一部分费用。
As expected, there's an upfront cost to obtain a receiver that can de-scramble the satellite signal.
当您在家里摆弄电视机上面的天线并选台时，您实际上正在接收这些广播信号。
When you stick rabbit ears on your TV set and pick up local stations for free, you are receiving broadcast television from local TV stations.
电视台必须要有能发送数字广播信号的设备，同样消费者也得具备相应的接收设备。
TV stations must have the equipment to send digital broadcasts, and consumers must have the TVs to receive them.
如果调频广播信号仍然比较微弱，请联系计算机制造商以了解更多信息。
If the FM radio signal is still weak, contact your computer manufacturer for more information.
电视台表示如果天线被烧毁的话广播信号会受影响，但是卫星和有线传输不会有影响。
Television stations said if the antennas burned broadcast signals would be affected but satellite and cable transmissions would not be.
本发明可通过安全广播信息鉴别广播信号来源，防止非法内容的接收和播出。
Broadcast signal sources can be identified through the secure broadcast information so as to prevent the receiving and playing of illegal contents.
叙述了数字电视广播信号回波的数学模型、多级抽取基本原理和目标检测算法。
A mathematical model of DTV broadcasting signal has been set up before reviewing theories of multistage decimation and stating the algorithm of moving target detection.
有线电视广播接收机，用于接口连接带内信道的方法，和用于处理广播信号的方法。
Cable broadcast receiver, method for interfacing in-band channel, and method for processing broadcast signal.
因而，在图1中，由所述隔行素材源20接收的广播信号被用来生成隔行信号以供显示。
Accordingly, in FIG. 1, a broadcast signal received by the source of interlaced material 20 is used to generate an interlaced signal for display.
在俄罗斯广播电台的帮助下他们与这个世界建立了单向的通讯。这个电台是那里唯一能收听到的广播信号。
One-way communication with the world is undertaken with the help of radio Russia, the only working radio.
因此，调频广播信号作为一种类随机发射信号，具较好脉冲压缩性能、接收机系统误差小而且容易获得的优点。
So the FM signals as an opportunity signals have the advantages of good performance of impulse compress, low system error of receiver and easy access.
移动DTV是一种广播标准（ATSCM/H），可以使设备在移动时，例如在城市轻轨上，也能够接收数字电视广播信号。
Mobile DTV is a broadcast standard (ATSC M/H) that allows devices to receive DTV broadcasts while actually moving, like on a commuter train.
该船用无线电广播发出求救的信号。
争议的核心是由少数成员倡议去禁止对外星人的任何广播，还是让我们先去接收它们发来的信号。
The crux of the dispute was an initiative by a few members to proscribe any broadcasts to aliens, whether or not we receive a signal first.
通过陆地信号，卫星和电缆，数字式的广播将在可收到的频道的数量上带来一次大爆炸。
Available via terrestrial signals, satellite and cable, digital broadcasting will herald an explosion in the number of available channels.
它涉及到指出电台接收器在候选星体(像太阳一样的星体)，监听各种稳定的信号，外星人广播，全时段的。
It involves pointing a radio receiver at a candidate star (one that is sunlike and not too far away) and listening for some sort of steady signal - an alien radio broadcast, on all the time.
一些科学家感到很困惑，为什么即使人类已经在上个世纪就发出了广播和电视信号，却没有任何回音。
Some scientists are puzzled as to why no messages have been sent back even though humans have been transmitting radio and television signals for the last century.
不同的是，VCR不用广播这个信号，直接送到电视就好。
Instead of broadcasting it, however, the VCR sends it straight to the TV.
直到最近环境无线电波才格外受到重视成为一种潜在的电源，这是因为广播电台的无线电信号发电随着距离的增加而锐减。
Ambient radio waves have largely been ignored as a potential power source until recently, because the power of a broadcast radio signal rapidly decreases with distance.
这颗由SSTL建造的卫星曾经在2006年一月实现了几乎不间断的广播导航信号。
The satellite, which was built by SSTL, has been broadcasting navigation signals almost continuously since January 2006.
这颗由SSTL建造的卫星曾经在2006年一月实现了几乎不间断的广播导航信号。
The satellite, which was built by SSTL, has been broadcasting navigation signals almost continuously since January 2006.
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