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71.
Heart rate variability (HRV) analysis is affected by ectopic beats. An efficient method was proposed to deal with the ectopic
beats. The method was based on trend correlation of the heart timing signal. Predictor of R-R interval (RRI) value at ectopic
beat time was constructed by the weight calculation and the slope estimation of preceding normal RRI. The type of ectopic
beat was detected and replaced by the predictor of RRI. The performance of the simulated signal after ectopic correction was
tested by the standard value using power spectrum density (PSD) estimation, whereas the results of clinical data with ectopic
beats were compared with the adjacent ectopic-free data. The result showed the frequency indexes after ectopy corrected had
less error than other methods with the test of simulated signal and clinical data. It indicated our method could improve the
PSD estimation in HRV analysis. The method had advantages of high accuracy and real time properties to recover the sinus node
modulation. 相似文献
72.
曲义 《蒙自师范高等专科学校学报》2015,(4):14-15
针对我国少数民族服饰中的图腾文化,介绍了图腾文化的源流,论述了图腾在服饰上的物态化体现及常见的物态化手段,分析了服饰图腾的缤纷化特征,以及在不同民族和相同民族的不同支系两个层面上的含义,并以动物图腾中常见的老虎、公牛、神鹰、犬、蛇和青蛙为例,归纳了常见共用图腾纹样及其共有民族,总结出服饰图腾纹样的广谱化特征。 相似文献
73.
74.
Lauren A. Delisio Diane Casale-Giannola Caitlyn A. Bukaty 《Journal of Research in Special Educational Needs》2023,23(2):136-146
Since the beginning of the COVID-19 pandemic, students have endured drastic changes in educational routines. Such disruptions can be especially challenging for students who struggle with executive functioning, self-regulation and emotion regulation, such as students with autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD) and bipolar disorder. Using a framework of trauma-informed instruction, the authors supported classroom teachers in implementing sensory spaces for students with ASD, ADHD and bipolar disorder. The project included professional development and funding for teachers to develop, procure and offer sensory tools and strategies to assist students in recognising and managing emotions. The authors collected data on the effectiveness of the sensory supports, combining teacher surveys and student behaviour data. Results indicated increased teacher knowledge on trauma-informed instruction and use of sensory supports to promote executive functioning and self-regulation and decreased target behaviours in students based on structured observation and anecdotal teacher feedback. 相似文献
75.
76.
Emma Gore Langton Norah Frederickson 《Journal of Research in Special Educational Needs》2016,16(4):254-263
‘Pathological demand avoidance’ (PDA) describes a pattern of difficulties increasingly recognised as forming part of the autistic spectrum. Although clinical reports suggest that children with PDA are likely to experience considerable difficulties in education, their educational experiences have not yet been explored in any systematic way. In the current study, 42 parents of children with PDA completed a questionnaire about their child's educational experiences. Parents' responses indicated that this group of children displays high levels of problem behaviours in school, and receives corresponding high levels of special educational need support and professional involvement. Despite this support, the group had experienced high rates of exclusion and placement breakdown, with only 48% now in mainstream education. Parents reported relatively high satisfaction in their children's educational placements, with success defined by parents in terms of child outcomes, school characteristics and PDA‐specific factors. Findings are discussed with reference to what is known about the educational experiences of children with more typical autism spectrum conditions and in terms of the implications for the inclusion of this group of children with complex needs. 相似文献
77.
张喆 《南阳师范学院学报》2011,10(2):116-118,124
与科学世界图景中的水概念不同,语言世界图景中水的概念化呈现出自己的特点。通过对以水为关键词的搭配为语料对水进行的概念分析发现,英语中将水概念化为动物、人、有固定外形的物体和无固定外形的物体。尽管其概念化呈现出无序性和非逻辑性,但反映出在英伦民族意识中对水这一概念的初始认识。 相似文献
78.
Anita Prunty 《Irish Educational Studies》2013,32(1):23-44
The concept of children's rights evolved during the 1980s giving prominence to the role of children as active participants in the construction of their lives. The rhetoric of children's rights has emerged as an important consideration in all policy and practice relating to children. Implementation of children's rights in practice is necessary to maximise their potential to improve the lives of children. This paper presents an argument for the importance of giving meaning to the implementation of children's rights in the Individual Education Plan (IEP) process for pupils with autistic spectrum disorder (ASD) in Ireland. The study, on which this paper is based, was conducted in two stages using both qualitative and quantitative approaches. The first stage focused on the development of a set of indicators for the IEP process based on a children's rights framework and informed by the perspectives of children, parents and teachers, alongside the literature on best practice on IEPs. In the second stage, a survey questionnaire was designed, based on the children's rights indicators, to evaluate current IEP practice in Ireland for pupils with autistic spectrum disorder. This article outlines the development of a set of indicators for the IEP process. It also presents findings of the survey which evaluates current practice in relation to the IEP process for pupils with ASD in Ireland. The article focuses specifically on Article 3(1) of the United Nations Convention on the Rights of the Child (UNCRC) which stipulates that in all actions concerning children, ‘the best interests of the child shall be a primary consideration’. 相似文献
79.
高频心电图和频谱心电图的进展及其在体育运动中的应用 总被引:1,自引:0,他引:1
李爽 《成都体育学院学报》1995,21(4):67-70
心电图高频成分分析以及心电信号的频谱分析,是近年来在国内外发展的一种新型心电检测技术,尤其是90年代初此种技术研究临床医学中发展甚速,已形成了一种全新的无创技术。笔者综述了此技术之历史沿革和目前进展,尤其是在体育运动中的应用。 相似文献
80.
电子效应,空间效应,溶剂效应对紫外光谱的影响 总被引:1,自引:0,他引:1
郭仁 《玉溪师范学院学报》2000,(3)
紫外光谱的λmax及εmax受电子效应空间效应 ,溶剂效应的影响所呈现的规律 相似文献