電場放射 的英文怎麼說
中文拼音 [diànchǎngfàngshè]
電場放射
英文
emission, field- 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...
- 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] (...
- 放 : releaseset freelet go
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
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Radio waves would vaporize the waste, which would then be sent into a magnetic bottle containing a thin, trapped plasma
在磁瓶中,放射電場會使電漿與大部分廢料離子沿著一個螺旋路徑繞行。In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect
在雙光子共振情況下,即入射脈沖頻率等於1 、 3能級之間的共振頻率的一半,由於介質中放大的自發輻射和四波混頻的作用,部分入射脈沖能量轉化為高頻和低頻電場成分的能量,分子介質表現出了很強的光功率限幅特性。Bez developing rapidly will grow into the production and export base of beijing high new technology products, the radiant source of diffusing high new technologies to traditional industries and enterprises outside bez, the collection and distribution base of high new technology products which will exert it influence in the world, the window of the reforming and opening to the outside world of china, and the testing field of restructuring market economy systems
該基地是一個以電子信息產業為主導,集科研開發生產經營培訓和服務為一體的綜合性基地。迅速發展的北京市新技術開發試驗區,將成為北京市高新技術產品生產和出口創匯的基地向傳統產業和區外產業擴散的輻射中心在國際上具有影響的高新技術產品集散地中國改革開放的窗口市場經濟體制改革的試驗田。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。Point type heat fire detector meets the requirements of gb4716 - 1993. the test itemsinclude electrostatic discharge, radiated electromagnetic fields, and electrical transient bursts
點型感溫火災探測器應符合gb4716 - 1993標準的要求。檢測項目有:靜電放電;輻射電磁場;電快速瞬變脈沖群。Replacement of final power fets in all - solidstate tv transmitte
全固態電視發射機末級場效應功放管的更換The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method
本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。Field emission properties of a tungsten tip after discharge treatment
鎢針尖放電處理后的場發射特性The results of simulations are : i ) energies of the incident ions to the target are determined mainly by the voltage across the cathode sheath, with a majority of ions " energy vary around the sheath voltage ; ions nearly normally bombard the target ; ions mainly locate above the sputtering holes because of the influence of the magnetic field, and the incident ions mainly come from the region ; the ions undergo several collisions during transportation, but that do n ' t matter much
主要模擬結果有: ? )入射離子到達靶面時的能量主要受到了射頻輝光放電中陰極殼層西北工業大學碩士學位論文李陽平電壓的影響,大部分離子的入射能量在陰極殼層電壓值附近,離子濺射時接近於垂直入射;射頻輝光放電受到陰極磁場的影響,等離子體中的離子主要集中在靶面濺射坑的上方,且入射離子主要來自這個區域;入射離子在輸運過程中和背景氣體分子有少量的碰撞,但影響不太大。Experimental study on esd radiated fields
靜電放電輻射場的實驗研究Liquid crystal tunable filters as an important device of wavelength division multiplexing and dense wavelength division multiplexing systems is caused attention by research department, especially many foreign research institute are studying it. but in our country its study is lag. and normal incidence of the crystal is almost the case, because the liquid crystal box is very thin, the field angle may be large and the pose of liquid crystal box may have impact on the measuring result. so, study in such subject, especially the liquid crystal box ' s position angle, is academic and valuable
各種改進液晶電光可調諧濾光片的措施的實現,使得液晶調諧濾光片成為一種很有應用前景的電光調諧濾光片,特別是用於光纖通信中的波分復用系統和密集波分復用系統,將使光纖的傳輸客量大大增加目前國外在這方面的研究進展很快,而國內在這方面的研究比較薄弱,而且通常採用光線正人射晶體進行研究,由於液晶盒很薄,視場角可以很大,液晶盒的擺放對測量結果影響很大,因此對該器件進行深入的研究,討論液晶盒的方位角影響是很有必要的。The numerical method based on the coupling of the finite difference method in time domain with the discrete fast fourier transform is applied to calculate the first four eigenfrequencies and eigenfunctions of the six - cavity with open boundary. the absorbing boundary condition for tem wave is tested numerically, and it is applied to writing the code. the cold testing of the cavity is done and the results are good agreement with the numerical results
計算x波段六腔開放腔前四個模式的場分佈;根據第二章公式分別計算x波段六腔開放腔前四個模式的電子負載電導並總結了這四種工作模式渡越效應的規律,基於這種小信號理論分析了x波段渡越輻射振蕩器,得到了工作模式及可能產生的模式競爭。Integrated fire control equipment meets the requirements of gb16806 - 1997. the test items include electrical transient bursts, electrostatic discharge, and radiated electromagnetic fields
消防聯動控制設備應符合gb16806 - 1997標準的要求。檢測項目有:靜電放電;輻射電磁場;電快速瞬變脈沖群。Based on the previous theory, the fdtd method is used to analyze practical antennas, which include dipole antenna, microstrip antenna, log - periodic antenna and broadband resistance loaded monopoles. the particular problems that occur in the calculating of vary type antennas are discussed. the cross - section field of microstrip line and two - conductor line are analyzed, and the effect on the numerical result arising from the incident cross - section mesh size is discussed
在前面理論的基礎上,將fdtd用於振子天線、微帶天線、對數周期天線、電阻加載振子天線等各種天線的計算中,對各種不同類型天線計算中所遇到的特殊問題進行了詳細的討論,並分析各種開放場傳輸線如微帶線、平行雙線等橫向場分佈,討論了入射網格橫向截斷區域的大小對計算結果的影響。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益The event gave us a good opportunity to discuss the processes of magnetic change, energy release and particle acceleration in the corona during the preflare, especially using decimetric and microwave fine structure data. in this thesis, we report the solar type iv bursts and its associated fiber fine structures recorded on 14 july 2000
中國國家天文臺懷柔觀測站的寬帶頻譜射電望遠鏡,觀測到了來自內日冕區的射電爆發及其精細結構,攜帶著耀斑爆發初期磁場變化、能量釋放的豐富信息,很有必要對其進行深入的理論分析和計算。In order to obtain ideal efficiency, the rf mosfet sd2918 [ 4 ] is used. also, the dead - time is inserted between the drive signals of mosfets, which is effective for reducing the shot - through loss and drain - source capacitor cds loss
為了獲得理想的放大效率,採用射頻場效應管sd2918 [ 4 ] ;同時,在兩驅動信號之間引入dead - time ,減小mosfet的串通損耗以及mosfet的漏源輸出電容cds損耗。Point type smoke fire detector meets the requirements of gb4715 - 1993. the test itemsinclude electrostatic discharge, radiated electromagnetic fields, and electrical transient bursts
點型感煙火災探測器應符合gb4715 - 1993標準的要求。檢測項目有:靜電放電;輻射電磁場;電快速瞬變脈沖群。The selection of power amplifier used in rf electromagnetic field immunity test
射頻電磁場輻射抗擾度系統中的功放選擇Static electric field makes human body relax, eliminate tenseness, weaken liver ' s radioactivity to the brain, prevent unusual brain waves and brain magnet ' s appearance, strengthen cerebral cortex ' s scattered preventing function, make brain waves fall into circumstances of relaxing and slow a wave or wave during sleep
靜電場促使人體全身放鬆,消除人體緊張狀態,減少肝臟向大腦射電,消除異常腦電波和腦磁的發生,增強大腦皮層擴散型抑制功能,促使腦電波進入輕松緩慢的波和入睡時的波狀態。分享友人