TY -的A2 Nagaraj Balakrishnan盟——朱Mengni盟——刘,力平PY - 2021 DA - 2021/10/01 TI -胎儿心率提取基于小波变换以防止胎儿窘迫在子宫内SP - 7608785六世- 2021 AB -为了提高的有效提取胎儿心率和防止子宫内胎儿窘迫,提出了一种基于小波变换的胎儿心率特征提取方法，用于预防宫内胎儿宫内窘迫。本文采用了一种基于二值小波变换模的最大值的胎儿心率检测方法。利用临床获得的多普勒胎儿心脏信号对该方法进行了仿真。与原始曲线相比，变换后的曲线可以大致看出原始信号的变化规律，识别出信号的峰值点，但由于峰值点的扰动较大，对计算机处理的影响也很大。变换后的信号的周期性大大增强，使计算更容易处理。选取2018年1月至2020年1月行足月胎心监护的孕妇300例作为研究对象，分为观察组和对照组。观察组100例胎心监护异常患者，对照组200例胎心监护正常患者。记录子宫收缩和胎儿心率，观察胎儿窘迫、剖宫产、新生儿窒息、羊水和粪便污染的发生率。观察组胎儿窘迫、剖宫产、新生儿窒息、羊水粪便染色等发生率均显著高于对照组。 Fetal heart monitoring can accurately judge the situation of the fetus in pregnant women and timely diagnose the abnormal fetal heart rate, which has a better effect on the prognosis of perinatal infants and can reduce their mortality. It can effectively solve the problems existing in the autocorrelation algorithm and extract the fetal heart rate more accurately. It is an effective improved scheme of fetal heart rate extraction. It is very helpful in preventing fetal distress in utero. SN - 2040-2295 UR - https://doi.org/10.1155/2021/7608785 DO - 10.1155/2021/7608785 JF - Journal of Healthcare Engineering PB - Hindawi KW - ER -