本文介绍了一种永磁磁路设计方法，并以0.35 T的MRI主磁体设计为例验证了磁路设计方法的有效性。
A method of permanent magnet circuit design is introduced. Validity of the method is validated by the design of main permanent magnet of MRI with 0.35t.
本文的重点在于系统的磁路设计，采用信号相关性运算比较被测钢管信号和模板信号缩小端头盲区的“无盲区”方法。
The main parts of the article are the designation of magnetic path for the detecting system and the "no blind areas" method, which is based on the signal relativity operation.
为更好的阐明人工心脏电机及控制系统的设计思路，一方面，本文详细阐述了磁路系统及电机经典设计方法及公式。
To better clarify the artificial heart design of the driving motor and control system, this article first detailed motor magnetic circuit system, classical design methods and formula of motor drive.
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