An electron tube used to amplify or generate ultrahigh frequency 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。
The reductive perturbation method of multiple-scales is used to investigate the weak nonlinear modulation of the stress wave on the wall of a fluid-filled elastic circular tube.
本文应用多重尺度约化微扰方法研究了充满流体的圆形弹性管壁上应力波的弱非线性调制问题。
Modulation sheet is mainly used in adjusting DY of TV picture tube.
调频片主要用于电视显象管补正dy用。
The mechanism of phase modulation is investigated based on the model of two degree of freedom in the thermoacoustic prime mover consisting of a looped tube and the resonator.
基于环形圈加谐振管的热声发动机的两自由度模型构思，在调相机理上开展了工作。
The Modulation Transfer Function(MTF) of X-ray tube focal sPOt and its size are the main parameters, which can be used to describe the photo function of X-ray tube focal spots.
线管焦点的调制传递函数（MTF）和焦点尺寸是描述X线管焦点成像性能的主要参数。
Capacitive pressure difference sensor is fixed in the center of the tube and connected with the pulse width modulation circuit so that capacitive flow transducer is made up.
把电容式差压传感器固定在管道中央，并配接脉冲调宽电路，即构成电容式流速变送器。
Functions such as frequency modulation and circuit reset are achieved with different buttons and shown on the LED digital display tube.
并且通过不同按键可以实现调频，电路复位等功能并在LED数码显示管上进行显示出来。
Functions such as frequency modulation and circuit reset are achieved with different buttons and shown on the LED digital display tube.
并且通过不同按键可以实现调频，电路复位等功能并在LED数码显示管上进行显示出来。
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