磁靴 的英文怎麼說
中文拼音 [cíxuē]
磁靴
英文
magnetic shoes-
Base on certain main magnets of nmr this thesis designs the most excellent structure of the pole shape and obtains a relatively uniform magnetic field in a large imaging volume. the calculating model of pole shape made of pure iron can be simplified with the infinite permeability and calculated with the scalar potential. the rule between pole shape and the homogeneity or the size of uniform region of magnetic field is discovered and factors of influencing the homogeneity of the magnetic field are held so that the main magnet with the optimized size of pole shape can produce a relatively uniform magnetic field in a large imaging volume
本文針對一類典型結構的主磁體，通過磁場分析與大量的計算，找到了極靴形狀的改變影響樣品區磁場均勻度以及均勻區域范圍的規律，掌握了極靴形狀的變化趨勢及其形狀影響樣品區磁場均勻度的各種因素，進行了極靴的形狀優化設計並編制了相應的計算機軟體，給出了極靴形狀的具體尺寸，使得主磁體能在更大空間內產生相對均勻的磁場。Bootstrap routine, tape
磁帶靴帶常式The process of design in this paper is : lto select the stator configuration of pmsm refer to asynchronous motors whose capacity is similar to pmsm ' s. 2. to research the no - load airgap flux distribution, so as to select the rotor configuration, which consists of some important parameters, such as the permanent magnet dimension and pole arc figuration. 3. to calculate the important parameters x ~ and xa
本文在電機設計過程中採用的步驟是：參考近似功率的異步電動機的定子結構，並做適當修改，以確定永磁同步電動機的定子結構；進行電機空載磁場的研究，確定包括永磁體的尺寸、極靴的與定子內圓相對表面的外形等關鍵參數在內的轉子結構；對于極為重要的電機參數x 。The permanent main magnet is mainly the developing direction through analyzing the advantages and disadvantages between three sort of main magnets : superconductor, routine and permanence. aiming at the different types of the permanent main magnet with edge effects, which ca n ' t reach the demand of nmr imaging, numerical method of magnetic field computation and the theory of shape optimization is applied
因此，本文應用磁場數值分析和形狀優化的理論和方法，探索了大空間內均勻磁場的技術，目標是在核磁共振成像主磁體己設計好的基礎上，對極靴的形狀進行優化設計，盡量擴大樣品區磁場均勻的范圍。The thesis is devoted to the pole shape optimization in order to improve the homogeneity of the magnetic field in a large imaging volume between the poles
本文的主要目標是對主磁體上下兩極面的極靴進行形狀優化，以提高樣品區的磁場均勻度，並擴大均勻區范圍。分享友人