beam radiation 中文意思是什麼

beam radiation 解釋
成束輻射
  • beam : n 1 梁,棟梁,桁條;(船的)橫梁。2 船幅;(動物、人的)體幅。3 (秤)桿,杠桿,(織機的)卷軸,...
  • radiation : n. 1. 發光,射光,放熱,放射,發射。2. 【物理學】輻射;放射物;輻射線[熱、能];照射(作用)。3. 【動、植】輻射形;【測】射出測量法;【醫學】射線療法。
  1. 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。
  2. In this thesis, ga is used to optimize the beam weights of intensity modulated radiation therapy ( imrt ) inverse planning, and 2d and 3d isodose contour as well as dose volume histogram ( dvh ) are used to evaluate the treatment plan

    本文應用遺傳演算法優化逆向調強放療計劃中射束的權重,用二維等劑量線、三維劑量分佈和劑量體積直方圖來評估計劃的優劣。
  3. The power source is not microwave radiation but is either a laser beam or a charged particle beam

    能量的來源不是微波幅射,而是雷射光束或是帶電粒子束。
  4. 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
  5. 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。
  6. On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence

    光的強度調制、光束口徑、脈寬和強度等因素對諧波轉換晶體中tsrs的影響,並計算得出了一些相關闡值,得到了驅動器工作的臨界狀態,為防止出現tsrs的光損傷提供了理論依據,對高功率激光驅動器的工程設計具有實用價值。
  7. The paper studies three key problem of base station array antenna for mobile communication, controlled radiation pattern, beam width and passive intermodulation

    本文研究移動通信基站天線中的三個關鍵問題,波束賦形、波瓣寬度、無源交調。
  8. Optimal antenna radiation pattern integration for multi - beam forming in high frequency radar

    高頻雷達多波束最優天線方向圖綜合
  9. Research of optical transition radiation on intense electron - beam diagnostics

    利用光學渡越輻射進行強流束診斷
  10. Testing method of beam diameter of laser radiation

    激光輻射光束直徑測試方法
  11. 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
  12. At first, the 3 - d theoretical model of photothermal radiation was built in the cylindrical coordinate axes, by reviewing thermally uniaxial materials irradiated by continuously modulated beam

    先是考察將熱單軸各向異性材料在連續調制光輻照下,在柱坐標系下建立光熱輻射測量( ptr )技術的三維理論模型。
  13. 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。
  14. We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s

    根據能量動量守恆關系和clbo的色散方程,詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。
  15. This dissertation is mainly about the transit radiation of the electron beam passing through the gap with the random standing wave electric field. in order to satisfy the requirement of the task, the feasibility of generation of more than 1 gw high power microwave in x - band using the transit radiation oscillator based on the transit effect is studied

    研究了二維柱坐標系網格劃分演算法,並用此演算法對五腔開放腔進行網格劃分,採用時域有限差分與快速傅里葉變換相結合的方法計算了五腔開放腔/ 6 、 2 / 6 、 3 / 6 、 4 / 6 、 5 / 6模這五個模式的頻率和場分佈。
  16. The skin and nodal lesions disappeared after multiple combination chemotherapy, allogenic bone marrow transplantation and electron beam radiation therapy

    在接受多次化學治療,放射線治療,同源性骨髓移植,及電子射線照射后,其皮膚及淋巴結之病灶皆消失。
  17. Conventional treatments include bypass surgery, external beam radiation therapy, chemotherapy, and medical treatment

    治療模式必須根據其潛在病因。
  18. Verification regulation of working dosimeters for electron beam radiation processing

    電子束輻射加工工作劑量計檢定規程
  19. Liquid chemical dosimeters for absorbed dose standerd of electron beam radiation processing

    電子束吸收劑量標準液體化學劑量測量系統的研究
  20. We can supply sterilization packing material nearly thousands of kinds suitable to eto co60 r beam radiation, steam and other sterilization method according to customersdifferent requirement

    我們根據客戶不同要求,提供適用於eto co60 r射線輻射steam等方法的消毒包裝材料近千個品種。
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