首先，越大的视频带宽，动态范围就越小和线性误差则越大。
For one thing, the greater the instrument's video bandwidth, the smaller its dynamic range and the greater the variation in linearity.
功率分析仪提供了功率和发射频率的信息，也可以克服由于功率计有限视频带宽而引起的的错误读数。
An RF power analyzer provides both power and transmission frequency information, and can also overcome false readings associated with an RF power meters limited video bandwidth.
研究了利用频谱仪射频衰减、分辨带宽、视频带宽和视频平均的方法，提高和改善低电平信号的测量精度。
Improving measurement accuracy of low level signal is studied using RF attenuation, resolution bandwidth, video bandwidth, and video average.
如果功率计和功率传感器拥有1 M Hz的视频带宽，他将扮演一个- 3db截止点为1mhz的典型低通滤波器。
If a power meter and power sensor has a 1-mhz video bandwidth, it will act as a typical low pass filter with a 3-db rolloff point at 1 MHz.
特高频带的带宽为428千赫，这意味着单个部分能够承载一个简单视频图片，光盘效果的视频以及新闻快报、天气预报和紧急通知。
Its bandwidth of 428 kilohertz means a single segment can carry a bare-bones video picture, compact disc-quality audio, and text for news flashes, weather details and emergency announcements.
特高频带的带宽为428千赫，这意味着单个部分能够承载一个简单视频图片，光盘效果的视频以及新闻快报、天气预报和紧急通知。
Its bandwidth of 428 kilohertz means a single segment can carry a bare-bones video picture, compact disc-quality audio, and text for news flashes, weather details and emergency announcements.
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