電子波束 的英文怎麼說
中文拼音 [diànzibōshù]
電子波束
英文
electric beam- 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...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 束 : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
- 電子 : [物理學] [電學] electron
- 波束 : wave beam; beam; wave packet波束空間 [半] wave number space
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The fundamental principles underlying the concept of electronic beam steering are derived from electromagnetic radiation theory employing constructive and destructive interference
電子波束控制的基本原理來自於電磁場理論的相干作用。Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.
一束電子波衍射的方式,同光波從一個反射光柵上彈回的方式完全類似,這真是不可思議。Under other circumstances electromagnetic waves behave as though they consisted of streams of particles.
在其它場合,電磁波表現得好象是由一束束粒子所組成的似的。The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db
通過在裝置上做的兩種陰極的對比實驗,結果顯示:碳纖維陰極的使用,改善了電子束質量,使輻射微波的脈寬增加了30 %以上,輻射主瓣方向上的功率密度提高了3db以上,頻譜分佈較純凈,實現了微波的高效輸出。When electrons move in spirals around magnetic lines of force, radio waves are produced and radiated out along the two magnetic poles of the star. usually, the rotational axis of the neutron star does not align with the magnetic axis. the radiation beams will sweep around and create the
通常恆星的自轉軸和磁軸並不一致,中子星亦不例外,所以沿著磁軸向外發射的無線電波束,在中子星自轉的帶動下,便會如燈塔般向宇宙掃射,這便是著名的Effects of the relativistic electron beam on the phase velocity of rf field in accelerator
相對論電子束對波的相速的影響Function of bunching segment in multi - cell rf gun
多腔微波電子槍聚束腔作用分析Space charge wave revision to the electron beam bunching caused by the radiation wave in the klystron
在速調管中空間電荷波對輻射波引起的電子束群聚的修正Subnanosecond millimeter relativistic backward wave oscillator, based on superradiance mechanism, was a novelty microwave device developed in last few years. the dependence of peak power on the square of the density of electron beam is almost linear
基於超輻射機理的亞納秒毫米波微波器件是近幾年發展起來的一種新型微波器件,其輻射功率與參與束波互作用的電子束密度的平方成正比關系。Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented
採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments
採用經修正的行波單極子模型模擬計算機陰極射線管顯示器電子束,並詳細研究了電子束的加速場,首次給出了其計算公式和實驗測試結果;還提出了一種新的從場點出發的信息電磁泄漏頻譜分析方法,實驗證明了其有效性; 3Then the c - band simple milo is simulated systematically. the physics of electron bunching and microwave field growing is investigated in detail
然後,對c波段milo模型進行了數值模擬,研究了其中電子聚束和微波產生的物理過程。Because of the resonant interaction between the reb electrons and the wave excitated by the embp instability, the reb electrons cannot transport continuously, but in form of current clumps. the transport velocity is close to the phase velocity of the wave
因為embp不穩定性所激發的波和束流電子之間的共振相互作用,束流電子不是連續地傳播,而是以電流團的形式傳播,傳國防科技大學研究生院學位論文播速度接近於波的相速度。At present, feas have potential for use as an electron source in a wide variety of applications, including microwave power amplifiers ( such as twts, klystron ), flat panel displays, electron microscopy, and electron beam lithography
目前,場致發射陣列陰極的應用領域十分廣泛,主要包括微波器件(應用於twts , klystron等) 、平板顯示器( feds ) 、電子顯微鏡及電子束刻蝕系統等。其中,應用研究的焦點主要集中在平板顯示器和射頻功率放大器。The improved microwave output power and efficiency are obtained. ( 1 ) the radial klystron oscillator with foldaway - concentric cylindrical resonant cavity is researched firstly
研究了徑向電子束與徑向間隙內,徑向二極體間隙內,徑向反射速調管內的微波電場的相互作用過程。The feed - back provided by the reflected electron beams reduce the start - up current and the start - up time in a vircator, while the existence of klystron cavity improves the extracting efficiency, hence the radial reflex klystron oscillator with virtual cathode combines the advantages of both devices, becomes a compact, efficient set
利用虛陰極反射電子束對調制腔的正反饋,可以減小起振電流和起振時間,而且提高了微波產生效率。它是一種結構簡單,緊湊,不需要引導磁場的器件。Some correlative designs and experiments are finished before the microwave test experiment. the property of a finite long magnetic coil is studied and the coil magnetic field circuit is constructed for the experiment of microwave. a digital two - channel trigger device is designed and successfully applied in the experiment
為了微波實驗的順利進行,我們設計並加工了磁場線圈,研製了控制磁場線圈迴路觸發和強流電子束加速器觸發同步的兩路數字同步觸發器,研製了測量電子束流的法拉第筒,並成功地將這些設備應用於微波實驗研究。By making use of the strong bound quantum dot model and neglecting the effects of impurity on electron wave function, this thesis is also reported how to use the spin of nuclear as the quantum bit
利用強束縛量子點模型,忽略雜質對于電子波函數的影響,我們還討論了如何利用核自旋構造量子位。我們計算了垂直耦合量子點中電子和核子的超精細相互作用。The sharp acceleration turns the traveling electron wave into a plane wave, like a nice regular pulse of an electron beam with an extremely short wavelength ? exactly the kind of beam useful for imaging
急遽的加速會讓行進中的電子波轉變為平面波,就像一道波長極短的電子束所形成的有規律脈沖,完全符合造影所需。The effect of impurity on the electron wave function has calculated, it shows that for the perpendicular magnetic field and the strong bound potential of the quantum dot the effect of impurity on the electron wave function can be neglected
我們計算了雜質對電子波函數的影響,結果表明對于強磁場下的強束縛勢量子點,雜質對于電子波函數的影響可以忽略。分享友人