东莞理工学院学报
東莞理工學院學報
동완리공학원학보
JOURNAL OF DONGGUAN INSTITUTE OF TECHNOLOGY
2013年
3期
17-21
,共5页
强迫振荡技术%STM32F103ZE%呼吸阻力%数据采集系统%中值平均算法
彊迫振盪技術%STM32F103ZE%呼吸阻力%數據採集繫統%中值平均算法
강박진탕기술%STM32F103ZE%호흡조력%수거채집계통%중치평균산법
forced oscillation technique%STM32F103ZE%respiratory impedance%data acquisition system%median average algorithm
设计了一种基于无创方式的强迫振荡呼吸阻力监测仪的数据采集系统,该数据采集系统以STM32F103ZE 作为核心,控制数据采集系统的各个模块。信号处理的好坏是数据采集系统成败的关键,系统中滤波设计采用硬件低通滤波预处理,数字软件滤波再处理的方式滤除信号的噪声,并提出了中值平均滤波算法。数据采集系统实验波形失真度小,证实了算法的有效性与准确性。
設計瞭一種基于無創方式的彊迫振盪呼吸阻力鑑測儀的數據採集繫統,該數據採集繫統以STM32F103ZE 作為覈心,控製數據採集繫統的各箇模塊。信號處理的好壞是數據採集繫統成敗的關鍵,繫統中濾波設計採用硬件低通濾波預處理,數字軟件濾波再處理的方式濾除信號的譟聲,併提齣瞭中值平均濾波算法。數據採集繫統實驗波形失真度小,證實瞭算法的有效性與準確性。
설계료일충기우무창방식적강박진탕호흡조력감측의적수거채집계통,해수거채집계통이STM32F103ZE 작위핵심,공제수거채집계통적각개모괴。신호처리적호배시수거채집계통성패적관건,계통중려파설계채용경건저통려파예처리,수자연건려파재처리적방식려제신호적조성,병제출료중치평균려파산법。수거채집계통실험파형실진도소,증실료산법적유효성여준학성。
@@@@This paper designs a new and noninvasive respiratory impedance monitoring based on forced oscillation tech -nique, with data acquisition system taking STM32F103ZE as core control modules.Signal processing quality is crucial to the acqui -sition system, with pre-∑processing realized by hardware LPF and reprocessing realized by digital software filter for eliminating sig -nal noises.Median-∑average algorithm has also been proposed in the paper .Effectiveness and veracity of filtering algorithm has been confirmed by experiments .