磁場中心 的英文怎麼說

中文拼音 [chǎngzhōngxīn]
磁場中心 英文
magnetic cnter
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • 磁場 : [物理學] (傳遞運動電荷或電流之間相互作用的物理場) magnetic field
  1. In contrast to traditional synchronous motor of electrical excitation, permanent - magnet synchronous motor ( pmsm ) has more advantages, especially the occasion that requires high precision of control and high reliability, such as avigation, numerical control machine tool, processing center, robot and so on. in addition, it plays an important part in ac motor in modem times

    與傳統的電勵同步電機相比,永同步電機具有許多優良的特性,尤其是在要求高控制精度和高可靠性的合,如航空、數控機床、加工、機器人等方面獲得了廣泛的應用,在現代交流電機也佔有舉足輕重的地位。
  2. The form of the stable geomagnetic field is like that of a bar magnet at the center of the earth

    穩定地的形狀與地球的棒鐵的形狀相似。
  3. A fluctuating magnetic field is produced in the iron.

    就產生交變
  4. The rotation of the core generates the magnetic field of the earth. the magnetic axis does not coincide with the spin axis and it does not pass through the earth s center

    的旋轉產生了地球的,有趣的是,軸不單和地球自轉軸不一致,而且並不穿過地球的
  5. We propose a novel controllable atomic beam - spiller based on the uccc and discuss the splitting mechanism of the guided atomic beam in the beam splitter from two aspects of the magnetic - field distribution and the trace of the guiding centers. the splitting ratio of the beam splitter can be adjusted by adding a homogeneous bias magnetic field along the y - direction, and the relationship between the splitting ratio and the additional bias field is analyzed

    本文提出了一種採用在y方向上加一偏置來實現分束比可控的新穎原子分束器,並從分佈和導引軌跡兩個方面,詳細分析和討論了基於u -型載流導體所構建的原子分束器的分束機制。
  6. According to biot - savart law, the general expression of magnetic field distribution generated by circular current in space has been calculated in this paper, which further discusses the magnetic field in the plane, the central axis and the far space

    摘要直接由畢奧薩伐爾定律的計算公式,在更為普遍的情況下,計算出了圓形線電流在全空間的分佈,並進一步討論了其在軸線上、平面內及遠區的感應強度。
  7. After discussions, all of the world s geophysicists agree that the only way out for human being is to detonate a nuclear device in the core of the earth

    全球科學家相討后,發現解決方法,是在地球引爆一個核儀器,令地核重新推動。
  8. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了電流峰值時觸頭間隙平面和觸頭片上的縱向分佈,可以看出加入鐵芯后縱向強度和徑向均勻性增強,這有利於提高真空電弧的穩定性。
  9. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永極二維氣隙的解析公式(集電流法、分佈電流法) ,同時介紹了兩種永電機氣隙計算方法(荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙密的影響; ( 2 )介紹了單層同繞組的布置方式,根據安培定律推導出空芯動圈式直線永同步電動機的靜推力計算公式,分析靜態力?位移特性; ( 3 )建立空芯動圈式直線永同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電力、速度、位移的變化情況。
  10. Negative donor on the heterointerface in magnetic fields

    異質界面上負施主離子
  11. This dissertation bases on the research of battlefield armored reconnaissance tank system, which is a very important reconnaissance & information reception means for our country ? digital armored troops. the zzco2 radar armored reconnaissance tank system is the collector of radio information by use of the radiation and reflection of electromagnetic wave, at the same time it is a system which saves, processes and transmits the radar information picked up. the content of this dissertation involves the design and development of zzco2 ? software system

    本論文以我軍裝甲機械化部隊坦克師的戰裝甲偵察系統的研製為背景撰寫。該系統是我國數字化裝甲部隊的重要偵察和信息獲取工具。其zzc02型雷達偵察車(型)是該系統的前沿偵察車,是不可見電頻段的雷達信息的收集者,是以電波輻射、反射作為信息獲取的主要手段,以計算機主機為的信息採集、處理、存儲和傳輸系統。
  12. Site experiment were carried out on the testing vehicle for ahs and the magnetic markers road in national intelligent transport system center. also, study on multi - sensor information fusion and control model by using neural net system, fuzzy logic and genetic algorithm were carried out. the work completed are as follows mainly : ( 1 ) hardware system for lane keeping system including magnetic marker, magnetic sensor, control system and executor machine were designed

    本文以國家智能運輸系統研究的自動公路系統試驗車和專用的軌釘道路為工作平臺,在大量的現實驗基礎上,針對基於軌釘導航的車輛車道保持技術的若干問題展開研究,運用神經網路、模糊邏輯、遺傳演算法等方法在多傳感器信息融合、控制模型等方面進行了系統的研究,主要完成了以下幾方面的工作: ( 1 )對車道保持系統硬體平臺進行了設計,論述了導航設施? ?軌釘的設計過程和車載工控機、步進電機等的選擇。
  13. 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變化圖無所遁形。
  14. 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變化圖無所遁形。
  15. In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm

    本課題以北京市科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為控制核的控制系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時控制數據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原子力顯微鏡、電力、力、掃描容顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動控制量的增加和數據處理量的增加; ( 3 ) 16位a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,數字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。
  16. Against a prototype which is being produced , its three dimension end region entity model of stator is established , and with the aim of simplifying calculation , the theory of how to simplify entity model is studied , then the theory is made use of , and the end region entity model of stator is simplifi - ed ; meshing characteristics of three dimension entity model and shortcomin - gs of end region entity model of stator are studied , then meshing method of three dimension end region entity model of powerformer stator is studied as well , and the simplified entity model is meshed with this meshed model , the distribution of end region magnetic field of stator is analyzed , and the magnetic field energy and reactance of powerformer end region are calculated and compared with design value because the prototype is being produced , in this paper , stator core , gap and eddy equipment are not taken into consideration , and this has a little influence on the result , but through analysis , the result is proved to be good through the example calculation , it is known that the method of this paper is useful and through theoretic analysis , it is proved that end region

    針對一臺生產的樣機,對其建立了定子端部三維實體模型,而且為了達到簡化計算的目的,研究了如何將其簡化的理論,並應用這些理論對樣機定子端部實體模型進行了簡化;研究了三維實體模型的剖分特點和定子端部實體模型存在的缺點,在此基礎之上,研究了對簡化的powerformer定子端部三維實體模型的剖分方法,並且對簡化的實體模型進行了剖分。應用剖分的三維實體模型,用有限元法分析了powerformer定子端部的分佈,計算了端部區域的儲能,並利用儲能計算了powerformer定子端部漏抗,將計算值與設計值進行了比較、分析。由於樣機處在設計生產階段,本文暫時沒有考慮定子鐵、氣隙和渦流器件對端部的影響,這對分析結果有一定的影響,但是仍然得到較好結果。
  17. By 2005, upon the completion of the 100 kilometers of expressways and 109 kilometers of subway, a magnetic levitation train system will also be in place to provide better access from our new airport to the city center

    100公里的快速路和109公里的地鐵將於2005年竣工,懸浮鐵路系統還將進一步方便新機與市的交通。
  18. In the scheme of the vccc, we calculate the relationships between the distributions of the magnetic field along z - axis or x - direction and various parameters of the vccc, and obtain several fitting equations that can be used to describe the relationships mentioned above

    在v -型載流導體方案,首先計算了在導引處沿z軸方向和x方向上的分佈,分析了空間分佈與載流導體參數之間的關系,給出了幾個擬合公式。
  19. The distribution of magnetic field in a permanent magnetic thin film array is investigated by analytical calculations in this thesis. theoretically, the effects of the size of array units and of the distance between them are calculated, especially the contribution of adjoining array units

    本文利用解析計算方法研究了永薄膜陣列的分佈,理論上計算了薄膜陣列單元的尺寸和間距對永薄膜陣列工作點的影響規律,計算了周圍陣列單元對單元工作點的影響。
  20. I can think of several possible reasons : we are encaged in this physical body and it blocks us a lot. although at the time of initiation master opened the gate of wisdom that connects us to the almighty power of the universe, we still cannot reach the state of " perfect connection " like she has. this is because we do not have enough power of concentration and our strong egos hamper us from making use of all our latent power

    我想到幾個可能的原因:我們受到這個物質的肉體阻擋頗多,雖然印時,師父已幫我們打開和宇宙整個大力量相通的智慧之門,然而由於我們專注力不夠加上許多的我執,還無法完全發揮潛能,像師父一樣達到全通的境界而且不但我們自身的無線收發器通訊不良,外在的雜訊也很多。
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