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.
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.
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