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本文应用计算机化自主神经系统功能测试系统对１０５例正常健康儿童（０～１１岁）进行了心动周期信号混沌特征分析。结果：除ＨＣＣ外，学龄儿童组的四个混沌特征参数均高于学龄前儿童组，新生儿则低于学龄组和学龄前组；功率谱参数学龄儿童组也高于学龄前儿童组。上述结果表明：儿童自主神经系统的发育，是随着年龄的增加而不断成熟的，其调控功能随年龄的不断增长而日趋完善
In this paper, computerized autonomic nervous system functional testing system for 105 healthy children (0 to 11 years old) were analyzed cardiac chaos signal chaos characteristics. Results: Except for HCC, the chaotic characteristic parameters of four school-aged children were higher than that of preschool children, while that of new-born children was lower than that of preschool children and preschool children. The power spectrum parameters of preschool children were also higher than that of preschool children. The above results show that: the development of children’s autonomic nervous system, is mature with age, and its regulatory function is increasingly perfect with age