電磁自差 的英文怎麼說
中文拼音 [diàncízìchā]
電磁自差
英文
electromagnetic deviation- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 電磁 : [電學] [物理學] electromagnetism電磁安(培) abampere (電磁系電流單位); 電磁泵 electromagnetic ...
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Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead
全面分析了cpt電子槍發射系統形成的電子透鏡像差與磁偏轉系統形成的偏轉像差;分析了蔭罩的自身厚度與位移對電子束著屏的影響,並由此得出結論,著屏電子束分佈(即亮度分佈)受著許多因素的影響,理論分析是半定量的,著屏電子束分佈需要用精確的測量儀器來測量。To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. in the measure of the groove voltage, the method of float - ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square curvefit is adopted to reduce the system error
鋁電解生產現場電磁干擾非常嚴重,為此我們將需要測量的模擬信號就近轉換為頻率脈沖后再傳送到控制核心;採用浮地接入方式消除槽電壓信號中的共模成分;設計了量程自動切換電路以解決槽電壓的動態范圍寬和測量精度高的矛盾;用最小二乘法進行曲線擬和以降低測量的系統誤差。The topic of this paper originates from the national nature science fund " fdtd analysis and design of microwave active integrated circuits ". an analysis of microwave active circuits using fdtd method with the emphasis on the several methods with which to simulate the active devices in the microwave circuits is studied in details in this paper. and some practical electromagnetic problems are analyzed with these methods
本論文題目來源於自然科學基金「微波有源集成電路的fdtd模擬與設計」 ,研究了時域有限差分法對微波有源電路的分析,主要研究了微波電路中各種微波器件進行fdtd模擬時的幾種處理方法,並採用這幾種方法分析了幾個實際的電磁問題。It plays a very important role in many application, according to the point of mathematics point, its mostly application originate from equations of mathematical physics, difference equations, markov process, and so on, its purpose is to solve the problems of solid, fluid, electromagnetic, microscopic particles, system control, and etc. in practical science research and engineer applications, such as, architecture project, research of aeronautics and astronautics, bioscience, computing physics and oil reconnoiter, many large scale generalized eigenvalue problems need to be solved
它在很多應用中扮演非常重要的角色,從數學角度來看,矩陣特徵值問題的應用大多來自數學物理方程、差分方程、 markov過程等。目的是為了計算固體、流體、電磁、微觀粒子、系統控制等重大問題。在實際的科學研究與工程應用中,比如在建築工程、航空航天研究、生物科學、計算物理以及石油勘探中,都要涉及到大規模矩陣廣義特徵值問題的計算。The model of fujian power grid and models of generators, excitation systems, governor systems and loads are established, the tested excitation system models of large hydro and thermal units, the model of wind turbine are established as well in this paper with pss / e, a new software imported from pti of u. s. a. recently. some key points are proposed on data convertion from psasp and bpa to pss / e. the transient and dynamic characteristics between separate excitation system and transformer - fed excitation ( self excitation ) system are compared with pss / e
本文完成了pss e的福建省電力系統的基本框架以及發電機、勵磁系統、調速系統、負荷的數學模型和參數,實現了大型水、火電廠發電機組勵磁系統實測模型和風電機組的pss e建模,提出了pss e與bpa 、 psasp數據互轉的部分要點,比較了福建電力系統現有大型水、火電廠發電機組它勵與自並勵勵磁方式的動態和暫態性能的差別。According to faraday law on electromagnetic induction and the difference of the magnetic energy of ferromagnetic materials in their magnetization and demagnetization, it is clarified that the swing, vibration and periodic translational reciprocation of any object made of ferromagnetic material in geomagnetic field must cause spontaneous magnetization of the object itself
摘要依據法拉第電磁感應定律和鐵磁性物質在磁化一退磁過程中的能量差異,闡明了鐵磁性物體在地磁場中的擺動、振動和周期性往復平動都會引起該物體的自發磁化。After transport property measurements, it is found that there is 80k deference between the two cusp temperatures in resistivity - temperature curves ( tm - i ) of the two films grown on srtio ( 001 } and ndgao ( 110 ). at the same time, the resistivity of the film on srtio ( 001 } is 50 times higher than that of the film on ndgao ( 110 )
分別生長于srtio大00 )及ndgao人110 )上,並分別介紹其性質,對各自電阻,磁阻變化進行了解釋;然後對比二者輸運性質之間的各種差異(金屬絕緣體轉變點的電阻率分別為13和0Abstract : this paper proposes an self - adaptive speed - accommodating control circuit, which can get the speed - error, and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed
文摘:文章介紹了通過自比較來檢測錄音機主導軸單相永磁交流測速發電機反饋信號的頻率變化,從而獲得速度誤差,並自動校正轉速的一種自適應速度調節控制電路。Based on the self - consistent nonlinear theory of complex cavity gyrotron with gradual transition, a simulation code of self - consistent nonlinear beam - wave interaction has been made, in which the multiple modes interaction with an electron beam and the mode coupling are taken into account. the interaction between the electron beam and hsn - h521 rf field for third - harmonic gyrotron is simulated. the influences of the thickness and the velocity spread and the velocity ratio of the electron beam and the fluctuation of the magnetic field and the technologic errors of complex cavity on the multi - modes interaction with an electron beam are analyzed
二、在漸變復合腔迴旋管多模自洽非線性理論的基礎上,編制了高次諧波漸變復合腔迴旋管多模注?波互作用自洽非線性模擬軟體,並對8mm波段三次諧波漸變結構復合腔迴旋管的注? ?波互作用進行了大量的自洽非線性數值模擬計算與研究,進而分析了電子注的厚度、速度零散、速度比值、磁場波動、腔體尺寸的加工誤差等等多種因素對互作用效率的影響。Auto dissection of entity with grid for fdtd electromagnetic simulation
時域有限差分電磁模擬的網格自動剖分However, only ideal inductors can be called when circuits are simulated, hysteresis phenomena of cores are often regardless of, which results in the evident difference of the simulations and the real, and the simulating results couldn ’ t guide real works at present
由於進行電路模擬時只能調用軟體自帶的理想感性元件,忽略了磁芯感性元件的磁滯特性,因此,造成模擬結果與實際相差很遠而不能指導實際工作。分享友人