空間電荷場 的英文怎麼說
中文拼音 [kōngjiāndiànhéchǎng]
空間電荷場
英文
space charge field- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 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...
- 荷 : 荷名詞(蓮) lotus
- 場 : 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] (...
- 空間 : space; enclosure; room; blank; interspace
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By using the maxwell ' s equations and axial symmetry, a method on calculating non - static axial symmetry fields with unstable charge source is given
摘要利用麥克斯韋方程組和場的軸對稱性,給出了由對稱軸的非靜態電場計算含不穩定電荷源的軸對稱非靜態空間電磁場的一種方法。With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed
本文在深入研究真空微電子器件場致發射理論的基礎上,根據圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢線、電子軌跡線,並得到了器件電學性能隨幾何參數的變化情況。The numerical computing methods of the equations involving the static electric - magnetic field, electronic motion in the static electric - magnetic field, and so on are detailed. the methods of the boundary disposal are introduced. the phenomenon of secondary electron emission has also been studied
介紹了數值計算方法,包括靜電磁場的數值計算、在靜電靜磁場中電子運動軌跡的數值計算、空間電荷密度的數值計算和空間電位分佈的數值計算;介紹了邊界處理方法。At 20 space charge in frp rod materials increases with increasing of field strength or high voltage application duration
20下芯棒材料中空間電荷的積累隨電場增大、電壓作用時間的增加而增加。Space charge properties of frp rod materials are influenced by temperature, field strength and high voltage application duration
結果表明,在高壓直流電場作用下,芯棒材料內部積累的空間電荷的極性和密度受到溫度、電場強度和電場作用時間等因素的影響。Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity
利用sndm ,從純電學的角度觀察了plct薄膜中的電疇動態反轉過程,由電疇橫向擴張的移動速度的降低,發現了晶界在電疇反轉過程中對疇壁移動的阻擋作用;根據sndm和pfm的在垂直方向上的不同信息敏感深度,得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象,結果表明空間電荷是發生極化弛豫的主要原因。Numerical simulation for electric field formed by spatial electric charge distribution
空間電荷分佈產生電場的數值模擬( 3 ) we explore photorefractive screening solitons and characters of beam transmission in sbn : 61 : cr crystals. the dependence of beam diameter at the crystal output face on applied field is presented. and influences of the limiting space charge field of the crystals on the experimental results are analyzed
( 3 )初步研究了兩塊不同摻cr濃度的sbn 61 cr晶體中的屏蔽型空間孤子效應,以及不同外加直流電場作用下光束在晶體中的傳輸,給出了晶體出射表面處光斑直徑隨外電場的變化曲線,並分析了晶體中空間電荷場的飽和效應對實驗結果的影響。The field in large - aperture photoconductors is mainly composed of bias field, space - charge field formed by transient distributing of carriers
光電導體內的電場是偏置電場、光電導體內光生載流子的空間瞬態分佈所形成的空間電荷電場等疊加形成的合電場。2. to design an axial magnetic field. the cathode lies in 0. 4 - 0. 7 of peak value of the magnetic field and excursion channel in a uniform magnetic field to suppress space charge effects ; to design transition section between the gun and excursion channel in converse computation. 3
選擇電子槍陰極處于軸向聚焦磁場峰值的0 . 4 - 0 . 7倍處;漂移通道(互作用區)位於均勻軸向聚焦磁場中,以抑制電子束的空間電荷效應;使用反演算法設計電子槍和漂移通道之間的過渡區。Relativistic back wave oscillator ( rbwo ) with a coaxial structure has a big power capacity of system. with large radius electron beam to decrease the space charge effects without usage of high current, hence the rbwo can work well at a lower axial guide magnetic field
同軸返波管具有很大的功率容量,可以採用大半徑電子注,在工作電流不變的情況下空間電荷效應大幅度降低,因而可工作在低磁場狀態。In this paper, space charge distribution in dc composite insulator frp rod materials after negative dc high voltage application was measured by pea method and the results were analyzed and discussed
摘要使用pea法空間電荷測量系統測量了負直流高壓電場作用后復合絕緣子芯棒材料中空間電荷分佈,並進行了相關的分析和討論。In order to obtain the tolerance requirement for the magnetic field homogeneity of the solenoids in electron cooling device, the source of the magnetic imperfection and its influence on the transverse temperature of electron beam were investigated by means of numerical simulation, and taking the space charge effect of electron beam into account
摘要分析了直螺線管磁場缺陷的來源,考慮了電子束的空間電荷作用,採用數值方法模擬計算了磁場缺陷對電子束橫向溫度的影響,獲得了電子冷卻裝置中直螺線管磁場的均勻性要求。Using the " hopping model ", the analytical solutions of the space - charge field fundamental harmonics in the presence of an externally applied magnetic field are presented
摘要從「跳躍模型」出發,給出有磁場情況下的跳躍方程及穩態情況下空間電荷場的解。And some relevant property parameters of waveguides are measured. based on the band transport model, the buildup of space charge field and the light - induced refractive index changes in photorefractive crystals are discussed
首先根據帶輸運模型的動力學方程組,討論了光折變晶體中光致空間電荷場的建立以及由此而產生的折射率變化。We consider the solid electron beam. the hot dispersion relation including the electron beam space charge effect is obtained in this paper, by series of propagating with using of the boundary condition and combining with the field matching method
考慮實心電子注,分區求出各區慢電磁波的場方程,然後利用邊界條件,用嚴格的場匹配方法,經過一系列的推導得到了考慮空間電荷效應的「熱」色散方程。The mode competition is much improved. it may operated with a large electron beam radius, that means decreasing the space charge effects compared with a smaller radius beam with the same current, hence the rbwo may operated with a low axial guide magnetic field. besides, the rbwo with a sinusoidal corrugated coaxial structure is very easy to manufacture
波紋內導體rbwo具有一些突出優點:同軸結構中內導體的存在使系統的截止頻率顯著升高,使得系統尺寸可比普通波紋波導慢波系統大;具有很大的抑制模式競爭的能力和很高的功率容量;可以採用大半徑電子注,在工作電流不變的情況下空間電荷效應大幅度降低,因而可以工作在低磁場狀態;此種慢波結構內導體上的波紋易於加工。Compared with the traditional tto, its start - up current is much less, and its larger cylindrical volume allows a higher space charge limit current
對于在電流臨近空間電荷限制電流和大信號時,徑向電子束與徑向間隙內微波電場的非線性相互作用過程進行了初步的研究。The influence of incomplete ionization of impurity in 6h - sic on mosfet electrical characteristics is investigated considering the frenkel - pool effect, which can enhance the impurity ionization by lowing the effective barrier height
把frenkel - pool效應引入了對sicmos表面空間電荷區雜質不完全離化的分析,並建立起了在電場作用下sic雜質離化的新的模型。The polymer is widely used in fields of electric and electronic insulation, but local fields ( electric fields, mechanical stress ) distortion induced by space charges in polymers will greatly affect properties of polarization, conductance, short - term breakdown and long - term breakdown
聚合物在電氣、電子絕緣中應用極為廣泛,但其中的空間電荷誘導的局部場(電場、力場)畸變,將對極化、電導、短時及長時擊穿特性帶來巨大影響。分享友人