束衰減 的英文怎麼說

中文拼音 [shùshuāijiǎn]
束衰減 英文
beam attenuation
  • 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;...
  • 衰 : 衰動詞（衰弱） decline; wane
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. The beacon will have a limited beamwidth and if the body-to-beam angle exceeds this a serious loss of signal will result.

    這個信標器的波束寬度有限，如果彈體波束角超過了它，信號就會發生嚴重的衰減。
  2. Vehicle restraint systems. crashworthy roadside features. impact attenuators

    車輛約束系統.路沿防撞設施.撞擊衰減裝置
  3. Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment

    實驗中發展了一些測量技術，例如用可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象，利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈，利用可見吸收紫外透射玻璃製成的衰減器測量有嚴重背景光的紫外光束分佈，可以作為實驗室的常規測量工具，並有一定的推廣價值。
  4. Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators

    此方案將監測點放在後置功率放大器的後面，從分束器中分出99 ： 1的光進入光頻譜掃描模塊，傳給功率控制模塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。
  5. Based on the model of resource survey spaceborne laser altimeter, the noncooperative regulable attenuation module, including angular measure setting, beam splitter, energy meter, attenuator and simulant target, was designed and founded

    結合激光高度計原理樣機，設計並建立了非合作目標可調衰減法模塊，該模塊包括角度測量裝置、分束片、能量計、衰減器以及模擬目標物。
  6. Broad beam attenuation

    寬束的衰減
  7. We present a charge - transport model of the photorefractive effect with two deep traps ( two deep - trap model ) based on one deep - trap model and shallow - deep - trap model. we also found dark decay behaviors which accord with the two deep - trap model in the two - beam interference experiments. the fast decay - time constant of the space - charge field is obtained as 714s

    此外，在ce ： batio _ 3雙光束干涉光折變光柵的暗衰減實驗中，也觀察到了符合雙deep模型的衰減現象，得到光折變空間電場快衰減時間常數714s ，約12分鐘。
  8. Circuit analysis sub - system adopts the newly advanced methodology, circuit topology analysis, and circuit sensitivity analysis to generate layout constraints and control performance degradations

    電路分析子系統採用新提出的信號流分析方法再結合已有的電路拓撲分析和電路靈敏性分析方法生成布圖約束控制電路性能的衰減。
  9. Finally, a design example of optical system used for smog attenuation testing system is given to illustrate the effect of spherical aberration on the image beam waist

    最後通過激光羽煙衰減測試系統中聚光光學系統的設計實例說明了球差對高斯光束像方束腰的影響。
  10. 5. standard h2 / h and robust h2 / h mixed control problems are systematically analyzed by the method of linear matrix inequation. design method of the optimum guaranteed performance control rule as well as the one which satisfies the given disturbance attenuation degree and performance constraints are discussed 6

    運用線性矩陣不等式方法，系統分析了標準h _ 2 h _混合控制問題及魯棒h _ 2 h _混合控制問題，探討了滿足給定的擾動衰減度和性能約束的保性能控制律及最優保性能控制律的設計方法。
  11. The theory and experiment of measuring diffusion coefficients in terms of mr signal attenuation has been established for decades, but recent advance of diffusion tractography has enabled us, for the first time, to visualize and analyze the axonal fiber tracts in the living brain non - invasively

    其實，利用磁振訊號衰減量測到擴散系數之理論與實驗已確立了幾十年，但近年來擴散神經纖維束造影的發展，第一次使我們能夠在活體非侵襲性的觀察和分析神經軸突纖維束。
  12. It is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transform of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是：人體的某個剖面在若干個角度上被x射線束照射，照射后x射線的衰減量被檢測器記錄下來，形成投影集合，數學上將這個投影集合描述為該剖面的radon變換，通過反演radon變換就能夠重建剖面的二維圖像。
  13. Computerized tomography ( ct ) is a typical non - invasive examination techniques in medicine, which can depict anatomical structures without damaging the human body. lt is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transfoim of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是：人體的某個剖面在若干個角度上被x射線束照射，照射后x射線的衰減量被檢測器記錄下來，形成投影集合，數學上將這個投影集合描述為該剖面的radon變換，通過反演radon變換就能夠重建剖面的二維圖像。
  14. Optical attenuation, widely applied in many fields, can be adopted to acquire single - photon sequence that is foundational in quantum key distribution. we obtain single - photon sequence by precisely controlled optical power distribution along outlets of manifold consist of beam splitter instead of the attenuation by time sequence due to loss

    用線性分束耦合器形成多個輸出口，將光強的時序衰減變為光強沿輸出口的空間分佈，研製出了量子保密通信用的精密控制的強衰減器，實現了對光子數的精密控制。
  15. The analytical software can comprehensively detect these ghost images generated by ghost reflections and simulate the energy attenuation process of ghost beam. the position of ghost image can be picked out, the potential hazard of ghost images to key elements can be verified, and the irradiance at ghost image and key elements can be described

    編制的專門的雜散光分析軟體能全面捕捉系統中激光束多次殘余反射產生的鬼像，並模擬鬼光束的能量衰減過程，從而找出對光學元件及系統性能存在威脅的鬼像，確定其位置，同時對各光學元件特別是關鍵元件處的能量密度與元件的穩定性進行描述。
  16. From an analytic treatment, the state is determined by the nanotube diameter rather than chirality. the corresponding image of local density of states in real space shows a highly localized state around the defect

    然後逐點計算局域態密度發現，在實空間準束縛態是一個非常局域化的效應，離開缺陷即迅速衰減。
  17. In this paper, we analyzed the theory of several linear methods for the pole extraction, such as prony method, kt method and matrix pencil method. then, numerous results based on scattering responses synthesized from weighted sums of two exponentially damped sinusoids are provided to compare theirs performance

    本文主要分析了幾種極點求解線性演算法? ? prony法、 kt法、矩陣束法的基本原理，並比較了這幾種演算法對于只含兩個指數衰減信號模型參數估計的模擬結果。
  18. Those filaments self - organize in coaxial structures where the relativistic current in the center is surrounded by intense magnetic field and the return current sheath, and the magnetic field decreases abruptly to zero outside the relativistic current

    電流絲自組織形成同軸結構，束流被強磁場和迴流鞘層包圍，磁場在電流絲外迅速衰減到0 。
  19. Second, the mode fields of a strip waveguide and some slab waveguides have been simulated by applying finite - difference time - domain ( fdtd ) method. the curvature radius ; vicinity coupling ; transition loss and power attenuation of a s - shape bend waveguide have been analysed numerically by employing wide angle finite - difference beam propagation method ( fd - bpm ), as well as the coupling loss of optical fiber and waveguide. in addition, the framework of the s - shape waveguide laser has been

    其次，應用時域有限差分法，結合波導模式理論對條形與平面波導進行了模場模擬;應用廣角有限差分光束傳播法，對s形彎曲波導的曲率半徑、鄰近耦合、過渡損耗、功率衰減以及波導與光纖的各種耦合損耗進行了數值分析，並在此基礎上，對s形波導激光器的結構作了初步設計。
  20. In order to eliminate the beam - hardening artifacts, most current correction algorithms have to assume that the x - ray beam spectra are known and the mass attenuation coefficients of the detected object related to different energy are given

    目前的多數射束硬化校正演算法需假設已知ct系統的x射線能譜，並已知構成被測物體的物質關于不同能量的光子的質量衰減系數。
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