Confirmation of the distribution of measured values from an ultrasound fetal heart rate monitor

被引：1
|
作者：
Noguchi, Y
Hamada, T
Matsumoto, F
Sugimoto, S
Yoshida, A
Kobayashi, H
Kobayashi, M
机构：
[1] SHONAN INST TECHNOL,FAC ENGN,FUJISAWA,KANAGAWA 251,JAPAN
[2] NATL DEF MED COLL,TOKOROZAWA,SAITAMA 395,JAPAN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1997年 / 36卷 / 5B期
关键词：
ultrasound heart rate monitor; fetal heart rate; evaluation of fit; normal distribution; Student's t distribution; chi-square distribution;
D O I：
10.1143/JJAP.36.3226
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
To estimate the measurement error in an ultrasound fetal heart rate (FHR) monitor, we compared the differences in the distribution of the FHR measured with an ultrasound Doppler to the FHR measured with a direct fetal electrocardiogram. We confirm that (1) the distribution is very similar to Student's t distribution, and (2) the number of degrees of freedom in Student's t distribution has a significant impact on the evaluation of Bt.
引用
收藏
页码：3226 / 3227
页数：2
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