相對磁區 的英文怎麼說

中文拼音 [xiāngduìcíqū]
相對磁區 英文
relative sector
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 區 : 區名詞（姓氏） a surname
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  1. In middle and high mountain areas, the landform is complex, the flying altitude should be relatively high, and the intensity of magnetic anomalies detected by aeromagnetic survey is hence relatively weak

    摘要中高山地區的地形復雜，飛行高度較高，航磁測量獲得的磁異常強度相對弱小。
  2. A very important one is the intersystem prediction and analysis of electromagnetic compatibility to the radio systems in this electromagnetic environment. this paper presents research on the intersystem prediction and analysis of electromagnetic compatibility to the radio systems positioned by the geographical longitude and latitude coordinate system and the elevation system. it can give assistant solution to the interference among the radio systems so as to avoid functional degradation and even failure after the systems disposed and mounted and the money and time wasting

    本文對處于陸上局部區域內的、以經緯度地理坐標系和高程系進行定位的無線電系統間的電磁兼容性預測進行了研究，以對系統間的相互干擾情況作出預測，給解決局部區域中無線電系統間相互干擾問題的方案提供支持，以避免在系統布置、安裝完成之後出現相互干擾情況而使系統性能下降，甚至失效，造成資金和時間的浪費。
  3. Based on the research results on ground resistivity anisotropy degree, load unloading response ratio and day by day ratio of daily variation amplitude of geomagnetic vertical component, spatial correlation of absolute value of geomagnetic vertical component of beijing 21 hour and spatial correlation of daily variation of geomagnetic vertical component, we analyze the synthetical characteristics of these anomalies before the moderate strong earthquakes and gave the order of these anomalies and the synthetical correlation of these anomalies with the three elements

    摘要在地電阻率各向異性、地磁垂直分量日變化幅度響應比和逐日比、地磁垂直分量北京時21點絕對值空間相關及地磁垂直分量日變化空間相關方法在江蘇地區的研究結果基礎上，綜合分析了這些方法提取的江蘇及周邊地區中強震異常的綜合特徵，給出了這些異常在震前出現的先後次序、地震三要素與這些異常的綜合關系。
  4. The research, development and applications of the deformable models are reviewed. the algorithm is realized to extract brain contour from mri head images. some improvement on deformable models is presented

    本文對可變形模型的基本概念和研究進展進行了介紹，給出了其應用於頭部磁共振圖像提取腦區域的演算法實現，並針對我們在實際研究工作中遇到的問題，進行了相應的改進，取得了良好的效果。
  5. 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。
  6. In addition to pic method, the numerical computation method is used as a compensation for the study of the characteristics of electron beam. the two methods are used separately to attain the trajectory of axially - emitted electron beam in diode region and drift region, and the trajectory of radially - emitted electron beam with axial, azimuthal, as well as compounded axial and azimuthal magnetic field. three two - dimensional codes and two three - dimensional codes have been made out to compute the trajectories

    本文特點之一就是採用粒子模擬和數值計算相結合的方法進行模擬計算，分別得到了軸向發射條件下電子在二極體區域和漂移區的軌跡，徑向發射條件下電子在角向磁場、軸向磁場、角向和軸向復合磁場中電子的運動軌跡，分別編制了三個二維電子軌跡計算程序和兩個三維電子軌跡計算程序，最後將粒子模擬和數值計算得到的結果進行了對比，得到了較為滿意的結果。
  7. The authors hold that the joint actions of numerous factors such as the upper mantle uplifted zone ( the mantle thinned zone of lithosphere ), the upper mantle anomalous area ( relatively low - velocity area ), the uplifted zone of intracrustal high - conductivity layer, the deep fault ( shear zone of lithosphere ), the margin of the crust - upper mantle uneven masses, the basement uplifted area reflected by gravity high, the magmatic belt and tectonic intersection reflected by skipped magnetic field, control the distribution of auriferous skarn deposits and copper ( associated with gold ) skarn deposits

    作者認為，上地幔隆起帶（巖石圈地幔減薄帶） 、上地幔異常區（相對低速區） 、殼內高導層隆起帶、深斷裂（巖石圈剪切帶） 、地殼上地幔不均勻性塊體的邊緣、重力高反映的基底隆起區、跳躍磁場反映的巖漿巖帶和構造交匯處等諸多因素的共同作用控制著含金夕卡巖礦床和銅伴生金夕卡巖礦床的分佈。
  8. 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。
  9. In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection

    針對當前電力系統中變壓器保護由於勵磁涌流鑒別理論不完善而導致的誤動率相對較高的問題，論文在分析了變壓器勵磁涌流特性和有功損耗的基礎上，提出了用變壓器正序有功功率差動作為區別勵磁涌流和故障電流的判據，並以成熟的比率制動差流保護作為內外部故障判據的變壓器主保護。
  10. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方法，結合物理光學法（ po ） 、物理繞射理論（ ptd ） 、邊界積分方程（ bi ） 、區域分解技術（ ddm ）和完全匹配層（ pml ）吸收邊界條件等求解方法構成的混合方法，對電磁散射和輻射問題進行了研究，主要包括以下內容：提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法，並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。
  11. The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma

    磁流體動力學對磁場和導電的液體或氣體，諸如熔化的金屬或者等離子區之間的相互作用的研究
  12. In this article, introduce the important meanings of a - b effect, first is a have physics factors, second is wave function phase factor is connected with geometrical factor in ( b = 0, a 0 ), through a - b effect, we know : electromagnetic field vector e, b is local quantity, electromagnetic potential a, is global quantity, adding a, description and by the way of loop integral, electromagnetic field " effect is completely descripted

    本文介紹了有重要歷史意義的a - b效應， a - b效應揭示了兩點物理觀念的變革：一是電磁矢勢有物理效應。二是在無場強但有磁矢勢（ b = 0 ， a 0 ）的區域，波函數的相位因子與其運動空間結構有關。 a - b效應顯示； e 、 b是局域量， a 、是總體量，只有加入a 、之後的描述，並通過a的環路積分，才能對電磁場的作用做出完全準確的描述。
  13. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明，在相當寬廣的非共振電子入射能區，外加電場下電子的傳輸概率比無電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構，共振減弱；對于電子隧穿不同磁壘磁阱構成的雙磁壘結構，無電場作用時的非完全共振在適當的偏置電壓下轉化為完全共振，這時的電子可實現理想的共振隧穿.研究同時表明，磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  14. In chap. 2, the observational characteristics of the radio burst of the bastille event were discussed in detail. in chap. 3, we described the associated foundational theories with the model of a magnetic - mirror loop, consisting of the flux duct, the magnetic reconnection, the plasma wave, the wave - wave interaction and so on. then in chap. 4, using the model of magnetic - mirror loop to estimate quantitatively, we obtain the magnetic field strength, the number of solitons in a single fiber source, the volume of the source and the ducting parameters

    對疊加於太陽射電型爆發上的精細結構，作出了觀測特徵分析，發現大多數纖維結構的觀測特徵在米波段和分米波段是相似的，由此提出它們可能源於相似的輻射機制，並採用磁鏡環模型，首次對分米波段的纖維結構進行分析計算，推算了纖維輻射源區磁場強度大小及輻射源的空間尺度，且相關物理參量的推算量級與其他人的研究工作結果是一致的，從而對該爆發源區的物理環境及過程有了進一步深入的認識。
  15. Therefore, the stable operational region of generators is discussed along with the analysis on relationship between under - excitation operation and loss of excitation / synchronism, end temperature rise of stator - core, and automatic excitation regulators etc

    針對這種情況，對發電機穩定運行區域進行了探討，並對進相運行與失磁失步、進相運行與定子鐵心端部過熱、進相運行與自動勵磁調節器等關系作了分析。
  16. This structure possesses common spectra gaps with transverse - electric surface waves and transverse - magnetic surface waves, a multiple of in phase frequency regimes to characterize magnetic resonances are also within those spectra gaps, which were detected both by measuring return loss of an antenna near the surface and by fdtd simulations

    實驗和數值模擬顯示這類表面的橫電模式極化和橫磁模式極化的表面波具有多帶隙的豐富能帶結構，同時它還有多個磁性諧振頻率，實驗和理論顯示這些磁性諧振所對應的多個同位相反射區落在兩個表面波帶隙中。
  17. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  18. In the design, we adopt the microsoft windows 2000 advance server operating system and the system design that combines the server cluster and the san. nlb technology is used to realize the load balance of all the nodes in the server, and the layout of streaming media data preserved on the disk arrays is realized by coarse - grained striping. windows media technology is introduced to help the application of streaming media

    在此設計中採用了服務器集群與存儲區域網路（ san ）相結合的系統設計，採用microsoftwindows2000advanceserver操作系統，利用網路負載平衡技術（ nlb ）實現服務器集群內各節點的負載均衡，採用粗粒度數據條紋化對磁盤陣列上存儲的流媒體數據進行布局，並使用windowsmedia技術實現流媒體應用。
  19. Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found

    本文較為系統地給出了海南地區電離層的參數變化特徵，特別是得到了一些暴時與以往不同的季節特性；第一次給出了海南地區的電離層等離子體漂移特徵，發現等離子體漂移暴時擾動在三個方向上有內在的聯系，得到了電場變化曲線；研究結果還表明海南電離層的半厚指數和形狀參數等與國際參考電離層iri - 2001存在很大差別；通過對強磁擾動事件期間的參數變化特性分析發現，在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區，高密度區底部電子密度梯度隨高度急劇增加，該區域的水平尺度可達100公里以上時間尺度約為2小時，連續出現過三次，這是一個在海南從來未發現的新現象；研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。
  20. Three kinds of the usual methods of rotor flux estimation are compared and analyzed, and the method of rotor flux estimation based on the voltage model is studied in detail. and the output phase voltage is reconstructed by means of the dc - bus voltage and the switching states of the inverter, the effect of the dead time and saturating voltage - drop of the switches on flux estimation is discussed. and the method of synchronizing instant speed identification is also studied deeply

    本文對三種常用的轉子磁鏈觀測方法進行了對比分析，在此基礎上著重研究了基於電壓模型磁鏈觀測方法，分析了利用直流母線電壓和逆變器三相開關管的狀態進行輸出電壓重構方法，討論了死區時間和開關管飽和壓降對磁鏈觀測結果的影響，深入研究了同步瞬時轉速辨識方法。
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