magnetic focus 中文意思是什麼
magnetic focus
解釋
磁聚焦-
The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕；無鐵芯、不存在磁飽和與鐵磁諧振問題；動態響應范圍大，頻率響應寬；抗電磁干擾性能強；無油化結構、絕緣可靠、價格低等優點；是未來電流互感器發展的方向，是新一代電力數字網發展的需要，適應電力計量和保護數字化、微機化和自動化發展的潮流。 -
In order to make use of labor power, material resources, financial resources, financial resources and natural resources in the panzhihua iron and steel company, to develop the district of high - grade magnetic material and establish magnetic material industry production base in the west region of china, this paper focus on the study of the application technology of hard ferrite pre - sintering material with high - quality
為充分利用攀鋼現有人力、物力、財力及得天獨厚的自然資源優勢，發展地區高檔磁性材料產業，建設中國西部磁性材料產業基地，本文對高檔永磁鐵氧體預燒料制備應用技術進行了研究。永磁鐵氧體特別是高性能永磁鐵氧體材料是當代社會及其發展的基礎功能材料。 -
Considering slpmu - 025a produced by japan shinko motor company ltd. as our study project, this thesis presents a study on two - phase hybrid lsm, the study objects and some conclusions presented in the thesis are : ( l ) the 3d model of slpmu - 025a is formed by software maxwell 3d. then, the 3d magnetic field of the motor is analyzed by fem ( fenite element method ) analysis. here, the analysis of the magnetic field is in focus on the region of tooth - layer
本文以日本神鋼電機株式會社生產的slpmu - 025a為研究樣機，對二相混合式直線步進電動機進行了研究，內容包括： （ 1 ）用maxwell3d軟體建立了slpmu - 025a的三維模型，通過有限元分析計算了電機的三維磁場，重點分析了電機齒層區域的磁場； （ 2 ）應用maxwell3d的后處理計算得到了電機的靜推力? ?位移特性，並與實驗進行了比較； （ 3 ）利用matlab中的simulink建立了動態模擬模塊，模擬了電機的部分動態特性，並用實驗進行了驗證。 -
The programme will focus on their interesting physical and orbital characteristics, as well as groundbreaking amazing discoveries that are being made in recent decades. ( left ) this three - dimensional map of local gravity and magnetic field variations shows a multi - ringed crater called chicxulub named after a village located near its centre
（圖左）因其中心點位於墨西哥奇求魯布附近而得名的奇求魯布隕石坑，其多重環狀結構在這幅引力及磁場變化圖中無所遁形。 -
In the thesis, the knowledge and principle on magnetic particle testing, digital image and image restoration are introduced first. according to demand of the system, the wiener filter restoration based on parameter identification is proposed and analyzed by the matlab experiment, the specification of evaluating effect of image restoration is presented according to out - of - focus radius as well. programming by visual c + + 6. 0, jpeg image files are decoded and converted into bmp files, colorful image is converted into gray image and out - of - focus micro - crack image is restored
本文首先介紹了磁粉探傷、數字圖像及圖像復原的相關知識和基本原理；根據自動磁粉探傷系統應用的要求，給出了一種基於參數辨識wiener濾波圖像復原方法，並進行matlab實驗分析，提出一種基於散焦半徑的復原效果的評判標準；採用vc + + 6 . 0編程，實現jpeg解碼並轉換成bmp文件格式，然後變換為灰度圖像，再對散焦微裂紋圖像進行復原處理。 -
Abstract : two - dimensional hydrogen atom in uniform magnetic field is studied. it is shown that, with the increase of the magnetic field, the energy levels should split, cross and focus
文摘:研究了二維氫原子在均勻磁場中的能級結構問題，結果表明，隨著磁場增強，能級出現分裂、交叉和聚束的現象 -
The thesis includes mainly two parts : the research of out - of - focus image restoration of the automatic magnetic particle testing system and hardware design of micro - crack image processing system based on dsp
本文主要包括兩方面內容：自動磁粉探傷系統散焦圖像復原的研究；基於dsp的微裂紋圖像處理系統硬體設計。 -
Based on the elaborate research on the stable oxygen isotope stratigraphy, carbonate stratigraphy, biostratigraphy, magnetic susceptibility, grain size and clay mineral of cores marked md81349, md77190, md77181 and bar9427 in the northeastern indian ocean, this thesis focus on the application of the tl properties in the above cores to infer the paleoclimatic change, and discuss the response of tl of sedimentary records with climatic cycles during the last 300, 000 years
論文對東北印度洋地區不同地理位置的md81349 、 md77190 、 md77181 、 bar9427四支巖芯的全巖熱釋光和md81349巖芯純凈有孔蟲的熱釋光測量，與已知氧同位素地層資料對比后發現四支巖芯的熱釋光變化與氧同位素地層揭示的氣候變化及可能的隆升事件有良好的對應關系。 -
As one of magnetism properties in the magnetism materials, magnetoresistance ( mr ) effect shows the magnitude about resistivity dependence of the magnetic field. the time when people focus on magnetoresistance effect is the last ten years. after mr effect was discovered from the multilayered films fe / co by baibich et al in 1988, helmolt et al got the same result from la _ ( 2 3 ) ba _ ( 1 3 ) mno _ x films
人們對磁電阻效應的研究主要在於最近的十年間，繼1988年baibich等人在磁性多層膜fe co中發現了磁電阻效應后， 1993年helmolt等人在la _ （ 2 3 ） ba _ （ 1 3 ） mno _ x等鑭錳氧化物薄膜材料中也發現了磁電阻效應。
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