监护记录信号数据的处理与显示方法

Processing and Displaying Method for Monitored Record Signal Data

在工程及医学领域中 ,需监测许多参数 ,如重要设备的振动、温度、血压、转速、大电机电流等。如果观察时间较长 ,就会得到海量数据 ,从而需要花费大量时间分析信号。本文描述了一种用来帮助分析信号的彩图技术 ,论述了处理彩图的原理和步骤。该技术已经在睡眠研究中得到验证 ,并且开发出一个名为睡眠观测的彩图工具 ,其中包含几种不同类型的彩图。因为人对有区别的图像非常敏感 ,所以睡眠阶段可以很容易地从图中分辨出来。对于用二维波形显示的睡眠信号 ,分析8h的睡眠信号需要用两天的时间 ,而处理并读取彩图仅需要 10 min。

In the engineering and medicine fields, many parameters must be monitored such as vibration signal of many important equipment, temperature, blood pressure, rotational speed, electric current of large motor. If the observe time is long, a large number of signal data samples will be obtained. It will take a lot of time to understand the signal.This paper describes a color map technology to aid in understanding the signal. The theory and steps of processing the maps are discussed. This technology has been demonstrated in sleep research and a color map tool called sleepview has been developed. Several types of maps have been developed. As the human being is very sensitive on distinguishing pictures, the sleep stages can be distinguished from the maps easily. It will take two days to understand the eight hours sleep signal which are displayed by the 2 D wave forms, only 10 minutes is needed to process and read the color maps.