whitespace是行业术语，指的是毗连电视频段的未使用的波段，它还可以为收到的杂散信号和其他干扰提供缓冲。
White space is industry lingo for the unused airwaves that abut TV spectrum and provide a buffer from stray signals and other interference.
FCC的决定受到多家电视台的反对(PDF版的请愿书)，他们担心空闲频道的使用可能会干扰电视信号以及使用了相同波段的在线歌手。
FCC's decision was contested by the TV broadcasters (Petition as PDF) who fear using the freed channels would interfered with TV signals and live singers who are using the same wave Spaces.
在信号源附近的电磁影响是最严重的，所以尽量少接触诸如电脑、电视、微波炉、电冰箱等设备能够有效减少电磁干扰的影响。
The effect is strongest closest to the source, so literally stepping back from major in-home sources like the computer, TV, microwave and fridge can help minimize exposure.
空白频谱是有意留出的空闲电视频道，其目的是防止现有电视台之间信号干扰。
White Spaces are TV channels intentionally left unused to avoid interference between existing TV stations.
美国广播电视协会（NAB）的丹尼斯说，并非如此：“我们担心信号干扰的情况。”
Not so, says Dennis Wharton at the National Association of Broadcasters. "We're concerned about interference."
随机噪声，如接收器中的碎啪声或电视屏幕上的光斑，是由信号的大气干扰造成的。
Random noise, such as crackling in a receiver or specks on a television screen, produced by atmospheric disturbance of the signal.
通过主观测量和客观测量研究了单频、数字调制信号和雷达信号对调频电视系统的干扰效应。
The interference effects of single frequency, digitally modulated signal and radar signal to FM TV systems are studied by means of the subjective and objective measurements.
干扰信号可以是调频电话信号、调频电视信号或脉冲雷达信号。
The RF signal may be a FM telephone signal, a FM television signal or an impulse radar signal.
如果用这个频段的有源雷达来探测隐身飞机时，它会受到广播、电视和通讯信号的干扰，而无源雷达系统则不受这种干扰的影响。
If, on this frequency, the hiding aircraft is detected, the active radar will be interfered by the signals from the broadcast station, TV and communication stations, but the passive radar will not.
新型专业卫星数字电视解码器(IRD)通过运行防止非法信号干扰的软件，实时分析卫星数字电视信号的特征，从而提前发现外来非法干扰信号并实施预警。
New type of professional IRD, by running the software for preventing the illegal interfering signal, IRD analyzes the characteristic of satellite DTV signal in real time, then found external illegal.
新型专业卫星数字电视解码器(IRD)通过运行防止非法信号干扰的软件，实时分析卫星数字电视信号的特征，从而提前发现外来非法干扰信号并实施预警。
New type of professional IRD, by running the software for preventing the illegal interfering signal, IRD analyzes the characteristic of satellite DTV signal in real time, then found external illegal.
应用推荐