摘要
目的 建立非接触生命参数检测系统与压阻式加速度之间的数学模型 .方法 理论推导压阻式加速度传感器和检测系统自抖动干扰回波的数学公式 ,并选用压阻式加速度传感器对本文讨论的数学模型进行计算机仿真分析 .结果 给出了计算机仿真分析结果 .结论 理论分析和计算机仿真分析结果相符 。
AIM To construct the mathematical model between the non contact detecting system for life parameters and piezoresistive acceleration sensor. METHODS Mathematic model for the piezoresistive acceleration sensor and the return wave of self dithering of the detecting system was constructed by using the principle of the senor and detecting sys tem, and the mathematic model was simulated and analyzed by computer. RESULTS The amplitude of the return wave of self dithering of the detecting system could be attenuated 19.7 times by means of adaptive signal processing with this mathematic model. CONCLUSION The results simulated and analyzed by the computer match with the analysis in theory for the mathematic model, and this model can provide theoretical instruction on restraining the self dithering of the the non contact detecting system for life parameters.
出处
《第四军医大学学报》
北大核心
2002年第11期1043-1046,共4页
Journal of the Fourth Military Medical University
基金
国家自然科学基金资助项目 (60 1710 2 1)
高等学校骨干教师资助计划资助
第四军医大学创新工程资助项目 (CX99F0 10 )
