数字式，指一种信号。该信号在一定的时间内，振幅保持不变。通常由一系列的高低脉冲表示。
Digital, Digital refers to a signal whose amplitude remains constant for a finite period of time. Digital signals are commonly represented as a series of high and low pulses.
这种干扰波在地震记录的整个时间段上具有很强的能量，并且其频率、相位和振幅可认为基本保持不变。
The interference wave has strong energy over whole time period of seismic records, and its frequency, phase and amplitude can be basically considered to maintain invariable.
同时，单电子三极管I-V曲线的振幅随着隧道结电容的增大而减小，但I-V曲线的周期保持不变。
If the tunnel junction capacitance becomes larger, the amplitude of the I-V curve of single-electron transistor becomes smaller, but the period is unchanged.
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