开源的合成光电传感信号发生器,具有模拟输出
1Independent Researcher, Vicenza, Italy.
概括
这项研究引入了一种新型的合成光多聚光学 (PPG) 信号发生器. 该开源工具创建现实的数字和模拟PPG信号,这对于开发生理监测设备至关重要.
科学领域:
- 生物医学工程 生物医学工程
- 信号处理 信号处理
背景情况:
- 光电显微镜 (PPG) 信号对于嵌入式设备估计生理变量至关重要.
- 开发精确的合成PPG信号对于设备校准和测试至关重要.
研究的目的:
- 介绍一种创新的,开源的方法,用于生成合成光聚光学 (PPG) 信号.
- 为基于PPG的生理监测创建数字和模拟参考信号.
主要方法:
- 使用变量高斯函数合成PPG配置文件.
- 集成的呼吸频率趋势和背景噪声随机参数波动.
- 使用RC波器将数字信号转换为模拟脉冲宽度调制 (PWM) 信号.
主要成果:
- 在用户定义的约束范围内生成多样化,持续变化的PPG配置文件.
- 实现了数字PPG信号的忠实转换为相当的模拟电压信号.
- 启用了噪音前后信号的比较,并添加了趋势.
结论:
- 开发的合成PPG发电机有效地产生现实的数字和模拟信号.
- 该工具支持创建可定制噪音和趋势的多种PPG配置文件.
- 该方法有助于开发和验证基于PPG的嵌入式生理监测系统.
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