輻射束 的英文怎麼說

中文拼音 [shèshù]
輻射束 英文
beam housing
  • : 名詞(車輪中車轂和輪圈的連接物) spoke
  • : 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) ...
  • : 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;...
  • 輻射 : radiation; exposure; radio; beaming
  1. The spinar is a gigantic machine converting gravitational binding energy into electromagnetic radiation by means of rotation.

    旋轉體是一架通過自轉把引力縛能轉換為電磁的巨大機器。
  2. The free-bound continuum is strongest in the optical regime, whereas the free-free continuum dominates in the radio and infrared regimes.

    自由-縛連續在光學波段最強,自由-自由連續主要在電和紅外波段。
  3. A study about the optical radiation press on corpuscule by laser microbeam

    激光微光場壓力對微粒子的作用
  4. Fanned by a constant updraught of ventilation between the kitchen and the chimneyflue, ignition was communicated from the faggots of precombustible fuel to polyhedral masses of bituminous coal, containing in compressed mineral form the foliated fossilised decidua of primeval forests which had in turn derived their vegetative existence from the sun, primal source of heat radiant, transmitted through omnipresent luminiferous diathermanous ether

    自廚房至煙囪的孔道,不斷地向上通風,灼熱的火被它煽得從成的易燃柴禾延燒到多面體煙煤堆上。這種煤炭含有原始森林的落葉堆積后凝縮而成的礦物狀化石森林之發育生長靠的是熱性源-太陽,而熱又是由那普遍存在傳光並透熱的能媒33傳導的。
  5. A beam of high radiant power will have high divergence.

    功率的光會有高的發散度。
  6. In the absence of an appreciable magnetic field, the ensemble of nebular electrons interacts with ions to emit weak continuous radiation by free-free and free-bound transitions.

    在不存在可觀的磁場時,星雲中的電子系綜與離子相互作用可通過自由-自由和自由-縛躍遷而發弱連續
  7. 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,改善了電子質量,使微波的脈寬增加了30 %以上,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。
  8. The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "

    認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵(分立譜) 、連續背景(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵、連續、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約效應」及「陰影效應」相互競爭的綜合結果。
  9. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。
  10. The isoelectronic system of gap : n has been investigated extensively in the dilute limit since 1965. thomas et al identified that a series of sharp emission lines in gap : n were due to the recombinations of excitons bound to either isolated nitrogen centers or various nitrogen pair centers

    這些譜線來自於等電子雜質n形成的縛激子態(孤立n中心和nn _ i對)復合產生的零聲子線及其聲子伴線。
  11. As the pulsar rotates, this beam sweeps the sky in the same way that a lighthouse beam sweeps around the horizon.

    當脈沖量旋轉時,輻射束掃過天空,就像燈塔的光繞地平面掃視那樣。
  12. At the end of the formation, both current and potential distributions are uniform. however, their distributions on the negative plate with the expanded grid design are a little more uniform

    化成結時電流密度和電位分佈都比較均勻,且拉網式負極板比式負極板更均勻。
  13. As the pulsar rotates, this beam sweeps the sky in the same way that a light house beam sweeps around the horizon.

    當脈沖星旋轉時,來掃過天空,就像燈塔的光繞地平面掃視那樣。
  14. Phase array radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction. therefore, phase array radar is fit for the necessity of combat readiness

    這種雷達通過電的方式控制天線孔徑面上各單元的相位變化,以實現波的快速掃描,使其具有靈活、變化快速、多功能等優點,適應戰備需要。
  15. The ratio of the flux emitted within the solid angle defined by the beam spread, to the bare lamp flux

    由光角限定的立體角內出的光通量與裸光源光通量之比。
  16. 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波引起的電子群聚的修正
  17. 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,其功率與參與波互作用的電子密度的平方成正比關系。
  18. An electron can drop from a higher level to a lower one with the emission of a packet of electromagnetic radiation.

    利用電磁輻射束,能使電子從高能級落到低能級。
  19. Determination of sulphur dioxide by absorption of a non dispersive infra - red radiation beam

    非擴散紅外線輻射束吸收法測定二氧化硫
  20. Both techniques allow precise targeting of the cancer with multiple x - ray beams, but imrt allows physicians to modulate the radiation dose intensity with far smaller radiation beams

    這兩種技術都可以用多重x光對癌細胞有著精確的靶向作用,但imrt可以讓醫生用更少的輻射束調整放劑量強度。
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