An electron tube used to amplify or generate ultrahighfrequency by means of velocity modulation.
速调管一种用速度调节的方法放大或产生超高频率的电子管。
2
The measurement of ultrahighfrequency is one of the difficulties in frequency measurement.
特高频率的测量是频率测量中的难点之一。
3
Furthermore, by using the principle of ultrahigh resolution frequency measurement, the ultrahigh resolution frequency measurement can be achieved with simple circuits.