They obey normal distributions. Distributions of power spectral density (PSD) for pressure signaldisplay narrower frequency range and higher amplitude.
压力信号的功率谱密度具有频率波动范围窄、幅值大的特点；
2
Signaldisplay is one of basic functions in microcomputer interlocking, dispatch centralizing, DMIS, monitoring and measurement system of signal appliance.
信号状态图显示是微机联锁、调度集中、D MIS和信号微机监测网络等计算机系统的基本功能之一。
3
The electroluminescent phosphors are the important materials of new type cabin signaldisplay EL screen used for displaying the data of the main battle aircraft.