Abstract
To improve the accuracy of stress detection and stress warning errors, this paper designed a new psychological stress detection and warning system based on wireless network transmission. To achieve this objective, we established a real-time setup. The hardware of the system is composed of pulse acquisition module, signal low-pass filtering and amplification module, real-time clock module, wireless network transmission module, and power supply module, respectively. Based on the aforementioned hardware platform, the system software is designed, mainly through the construction of pulse signal noise and the use of wavelet denoising threshold for sensing wavelet packet inverse transformation, to get the reconstructed signal. The peak point of the reconstructed signal is determined, and the value of pulse signal is extracted. According to the characteristic value’s extraction results, the degree of psychological stress is quantified using the psychological stress index (PSI). When the PSI exceeds a predefined threshold, it indicates an early warning of psychological stress. The experimental results show that the psychological stress detection of our system is consistent with the expert evaluation results, the warning time is short, and the practical application effect is good.
Highlights
Psychological stress is an important factor affecting human health
Erefore, according to the above analysis, this paper designed a psychological stress detection and early warning system based on wireless network transmission. e major contributions of this work are as follows: (1) is paper provides real-time measurement for psychological stress by designing an early warning system. e hardware design platform is discussed in Scientific Programming detail and its distinguishing features are highlighted
In order to verify the practical application of the psychological stress detection and early warning system based on wireless network transmission, experimental analysis is needed
Summary
Psychological stress is an important factor affecting human health It is composed of multiple components such as cognition, psychology, and behavior and is a complex response mode, which is manifested as a person’s physical and psychological tension when facing difficult requirements or environment [1]. Psychological pressure has increasingly become a major factor affecting people’s physical and mental health and quality of life [6]. Erefore, according to the above analysis, this paper designed a psychological stress detection and early warning system based on wireless network transmission. E hardware design platform is discussed in Scientific Programming detail and its distinguishing features are highlighted To this end, this paper discusses its own unique wireless network transmission module.
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