In the medical ECG monitoring system, due to the large number of required measurement parameters and large amount of data during the monitoring process, the role of the virtual instrument should be fully utilized, and the various measurement modules should be combined to make full use of the hardware resources of the computer and define the instrument through software programming. A variety of different measurement functions.
The acquired data is processed according to functional requirements. The user interface of this system is written with =9JKH7. The soft panel consists of 4 windows. The first one is the control window. There are various switches and buttons similar to traditional instruments. Users can control the behavior of the instrument through them. . The second is the display window, which dynamically displays the waveforms obtained during the measurement, such as the slow propulsion display of the four lead ECG waveforms, the four freezeable ECG display waveforms, the one respiratory wave display and one Blood pressure wave. The third is the data window, which is used to give the measurement data corresponding to the shape. The program is modular in design and the software block diagram is shown in the figure. It has been proved by practice that according to the above method, the virtual instrument required for the ECG monitor can be designed. The hardware and software of this instrument are modularized, which is beneficial to the improvement, upgrade and function expansion of the system. It makes full use of the resources of the computer to realize fast data processing and solves the problem of large storage space of ECG parameters. This system needs to be further improved, such as: increase the data analysis function to improve the comprehensive analysis capabilities of the system. The use of virtual instrumentation technology is important for the implementation of test systems. Compared with traditional technology, the advantages of virtual instrument technology from design development to user use are obvious.
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