目的:搭建一个可有效接收智能手机端通过网络远程发送心电数据的服务器,该服务器程序同时具有数据存储、实时绘制心电波形、查看历史波形、作出初步的心电自诊断等功能.方法:采用C#语言在Visual Studio 2013平台下进行软件开发,主要应用到socket类实现网络传输功能,绘图类集合实现波形绘制功能,Dataset/Datareader工具实现数据存取,Thread类实现多线程编程等功能.在服务器程序中,采用5点平滑滤波进行心电信号的初步处理并且加入最常见的差分阈值算法以用于对接收到的心电数据进行波形分析,检出主要的QRS波,通过分析R-R间期等各类心电特征给出心电自诊断报告.结果:该服务器程序能够实现对手机心电数据的实时接收并且在上位机屏幕上显示出来,同时可绘制出准确的心电波形,作出心电自诊断.结论:该程序在对移动端(手机、平板计算机)数据接收方面有较好的性能,另外,在对数据处理、显示方面也有着不俗的表现和稳定性.%Objective To build a server to receive ECG data from the smart phone through remote network transmission,which has the functions of data storage,painting ECG waveform at real time,browsing historical waveform,preliminary ECG self-diagnosis and etc.Methods The development was executed with C# language in Visual Studio 2013,which used the socket for network transmission,GDI for waveform painting,Dataset/Datareader for data access as well as thread for multithreaded programming etc.Five-point smoothing filter was applied to ECG signal preliminary processing,and classical difference threshold algorithm was used to implement waveform analysis of ECG data.The main QRS waves were detected,and ECG features such as R-R interval were analyzed to form ECG self-diagnosis report.Results The server received and showed the ECG data transmitted by smart phone successfully,and then generated ECG waveform and self-diagnosis report.Conclusion This server has a great performance on receiving the data from portable facilities.In addition,it also performs well and stably in accessing and showing ECG data.
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