輻射單位 的英文怎麼說

中文拼音 [shèdānwèi]
輻射單位 英文
cascade unit
  • : 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名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • 輻射 : radiation; exposure; radio; beaming
  1. Illuminance of illuminating radiation is always measured in photometric units.

    照明的照度通常是以光度為
  2. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  3. Every phased - array rader needs thousands of phase shifters, which control the phase of radiator elements in the antenna aperture surface to scan beams fast

    每部相控陣雷達需要上千個移相器,才能控制天線孔徑面上各元的相變化進而實現快速掃描。
  4. 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元的相變化,以實現波束的快速掃描,使其具有靈活、變化快速、多功能等優點,適應戰備需要。
  5. Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density. several novel phenomena can be obtained. the spontaneous emission displays an oscillatory behavior, classical light localization, photon - atom bound state, nonzero steady - state population and anomalously large vacuum rabi splitting. and localized mode associated with a defect site in an otherwise perfect photonic crystals, acts as a high - q micro - cavity

    通過原子上能級與光子頻率帶隙邊緣的相對置或者光子態密度,可以抑制或增強原子的自發。分析並得到了一些奇異的現象,如自發的諧振子行為、光的局域、光子?原子局域態、上能級中存在非零穩態原子布居數、類似於真空中的拉比頻率分裂等。
  6. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的站無源定理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定和利用離心加速度信息定的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的站無源定濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  7. An algorithm for the moving emitter passive location and tracking based on toa and doa measurements by a single fixed station is given

    提出了一種測量目標源脈沖到達時間和到達方向實現固定站對運動源進行無源定的演算法。
  8. Quantities and units - nuclear reactions and ionizing radiations

    量和.核反應和離子
  9. Quantities and units. electromagnetic radiations and optics

    量和.電磁和光學
  10. Material energy can be transformed into radiant energy only in units of a certain size.

    物質能量只能以一定大小的轉變為能量。
  11. Terminology, quantities and units concerning radiation

    防護用量和的一般術語
  12. Workers whose annual dose is likely to exceed 6 msv are required to be classified as radiation workers. this requires that their exposure be measured and regularly monitored and that they be subject to periodic medical examinations

    全年吸收劑量有可能超過六個毫西韋特的人士,便被列為在下工作的人士,需接受接觸量的量度和定期監察,並需定期進行身體檢驗。
  13. Our results explain the mechanisms of the composition and doping dependent thz radiation efficiency for the different crystals. experimental results in this thesis are useful for growing eo crystals with high performance, and suggest that more parameters are required for better characterization of this kind of crystals as thz wave emitters. the main results and conclusions are listed as follows : 1 ) experimental measurements with low cd composition zn1 - xcdxte < 110 > crystals ( 0 < x < 0. 25 ) as thz emitters indicate the optimum composition of x = 0. 05

    在國際上,我們首次用實驗研究了不同組分、不同摻雜的zn _ ( 1 - x ) cd _ xte < 110 >晶( x = 0 0 . 25 )對thz的吸收情況和它們產生thz的相匹配情況,並首次從晶體對thz的吸收和晶體的相匹配角度解釋了這些晶體產生thz效率不同的原因。
  14. In this thesis, we study the thz pulse generation efficiency of the < 110 > - oriented zn1 - xcdxte crystals with various composition ratios and doping levels, using thz time - domain spectroscopy. it is found that both absorption and phase matching condition play important role. it is the first time to systematically study < 110 > - oriented zn1 - xcdxte crystals with various composition ratios and different doping levels using thz time - domain spectroscopy

    本論文中,我們利用thz時域光譜系統對不同組分、不同摻雜的zn _ ( 1 - x ) cd _ xte < 110 >晶( x = 0 0 . 25 )作為thz材料的性能和光譜響應進行了研究,發現晶體對thz的吸收和晶體的相匹配是影響晶體產生thz效率的重要因素。
  15. Sum of direct solar radiation and diffuse sky radiation received by unit horizontal surface. maximum air temperature

    在平面上面積所受的太陽直接和天空漫的總和。
  16. In the next place, an improved algorithm of grounding fault location for tree - type distribution system which is based on new fault function and criterion measure, is proposed in order to complete fault branch ide ntification, fault location and fault value. a lot of the simulation of fault diagnosis and location by computer demonstrate that the algorithm is effective

    其次論文基於狀饋線的任一分支線路發生接地故障,通過分析與推導,建構了配電線路相短路點定的故障定函數和相應的故障判據,利用樹網端信息完成故障分支識別、故障定和過渡電阻定值。
  17. A single - ion microbeam facility is a set of system that can limit the diameter of the ion beam to the micron level and can deliver defined numbers of ions into an defined area of a cell

    粒子束裝置( single - ionmicrobeamfacility )是一種可以將粒子束的束徑限制在微米量級的范圍內,並將預定個數的粒子注入到細胞中的某一指定置的裝置。
  18. A single - ion microbeam facility is a set of radiation system that can limit the diameter of the ion beam to the micron level and can deliver predefined numbers of ions into a predefined area of a cell

    粒子束裝置( single - ionmicrobeamfacility )是一種可以將粒子束的束徑限制在微米量級的范圍內,並將預定個數的粒子注入到細胞中的某一指定置的裝置。
  19. For each beam position the amount of phase shift is calculated for each radiating element

    在每個波束置為每個元計算相移量。
  20. Applying the distance approximation to the expression already obtained for the required phase difference between two radiating elements yield equation ( 7 - 1 )

    在已經得到的兩個元所需相差的場方程( 7 - 1 )中應用距離近似。
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