MIT-BIH Arrhythmia Database.
MIT ---- Massachusetts Institute of Technology ，麻省理工学院
BIH ---- Beth Israel Hospital ，医院名，位于波士顿，麻萨诸塞州，美国
This collection of 48 fully annotated half-hour two-lead ECGs is available here in its entirety.
从这能整个地获取这个 含48 个充分标注的30分钟长度2导联ECG 数据集
The MIT-BIH Arrhythmia Database Directory is also available on-line.
MIT-BIH 心律失常数据库目录也可以在线使用
Since 1975, our laboratories at Boston's Beth Israel Hospital (now the Beth Israel Deaconess Medical Center) and at MIT have supported our own research into arrhythmia analysis and related subjects.
自1975年以来，我们的波士顿Beth Israel 医院（现在的Beth Israel Deaconess 医疗中心）和麻省理工学院的实验室一直支持我们自己的心律失常分析和相关课题的研究
One of the first major products of that effort was the MIT-BIH Arrhythmia Database, which we completed and began distributing in 1980.
研究取得的最大的成果之一是MIT-BIH心律失常数据库，我们在1980年完成数据库创建并开始发布
The database was the first generally available set of standard test material for evaluation of arrhythmia detectors, and has been used for that purpose as well as for basic research into cardiac dynamics at more than 500 sites worldwide.
这个数据库是用来评估心律失常检测器性能的第一个被广泛使用的包含标准测试材料的数据集，全球已有500多个网站利用它评估心律失常检测器性能，以及用于心脏动力学方面的基础研究
Originally, we distributed the database on 9-track half-inch digital tape at 800 and 1600 bpi, and on quarter-inch IRIG-format FM analog tape.
起初，我们发布这个数据库是 用9 道0.5英寸800和1600 dpi的 数字磁带和0.25英寸IRIG格式FM模拟磁带
In August, 1989, we produced a CD-ROM version of the database.
在1989年8月，我们制作了数据库的光盘版本
The MIT-BIH Arrhythmia Database contains 48 half-hour excerpts of two-channel ambulatory ECG recordings, obtained from 47 subjects studied by the BIH Arrhythmia Laboratory between 1975 and 1979.
MIT-BIH 心律失常数据库包含48个30分钟长度双通道动态心电图记录片段，这些片段是从 1975~1979年间BIH心律失常实验室的47名研究对象那里 获得的。
Twenty-three recordings were chosen at random from a set of 4000 24-hour ambulatory ECG recordings collected from a mixed population of inpatients (about 60%) and outpatients (about 40%) at Boston's Beth Israel Hospital;
有23个记录是从一个 包含4000个24小时动态ECG记录的 数据集中随机选取的，这些动态ECG记录是波士顿Beth Israel 医院从住院病人（约60%）和门诊病人（约40%）这样一个混合人群里收集的
the remaining 25 recordings were selected from the same set to include less common but clinically significant arrhythmias that would not be well-represented in a small random sample.
其余25个记录是从同一个数据集中选取的，用来包含那些不常见的但是临床上有重要意义的在一个小随机样本中不能很好的表示的心律失常
The recordings were digitized at 360 samples per second per channel with 11-bit resolution over a 10 mV range.
记录以每通道每秒360采样点的规格进行数字化，具有11位分辨率，表示范围超过10毫伏
Two or more cardiologists independently annotated each record; disagreements were resolved to obtain the computer-readable reference annotations for each beat (approximately 110,000 annotations in all) included with the database.
两个或多个心脏病学家独立地对每个记录进行注释， 不一致的注释会被重新裁定，从而获得数据库附带的计算机可读取的对每个心拍的参考注释（总计约有110，000个注释）
This directory contains the entire MIT-BIH Arrhythmia Database.
这个目录包含整个MIT-BIH心律失常数据库
About half (25 of 48 complete records, and reference annotation files for all 48 records) of this database has been freely available here since PhysioNet's inception in September 1999.
自从1999年9月PhysioNet网站开办， 这个数据库的大约一半数据（48个完整记录中的25个，及全部48个记录的参考注释文件）已经可以免费使用
The 23 remaining signal files, which had been available only on the MIT-BIH Arrhythmia Database CD-ROM, were posted here in February 2005.
曾经只能从MIT-BIH心律失常数据库光盘中获得的其余23个信号文件，在2005年2月也被在这里公布出来
Much more information about this database may be found in the MIT-BIH Arrhythmia Database Directory.
可以在MIT-BIH心律失常数据库目录中找到关于这个数据库更多的信息