high-intensity beam 中文意思是什麼

high-intensity beam 解釋
強束,高流強束
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • intensity : n. 1. (思想、感情的)強烈,激烈。2. 強度。3. 【攝影】(底片的)明暗度。
  • 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,...
  1. 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。
  2. On the basis of this, we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ). we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ). the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller. the halo intensity of k - v distribution, water - bag distribution and parabolic distribution and be reduced to zero. in the case of 3 - sigma distribution and full gauss distribution, the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator

    在此基礎上,選擇a為控制變量,構造延遲反饋控制器g : g ( s glrrms ( s )一rms ( s ) ( 2 )同( l )式一致,將此控制器函數加在粒子徑向所受束自生場力方程的右邊。利用多粒子數值模擬程序( pic )進行了控制試驗。模擬結果表明,用同一個控制器和同一個控制參數即可實現五種不同初始分佈情況下的束運一混飩的有效控制。
  3. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題,隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒子徑向所受束自生場力方程的右邊加上非線性控制函數g :並選取一些非線性函數如等進行了控制的模擬研究,將束暈強度控制在0 . 1078左右,取得了初步的控制效果。
  4. The simulation of ionic radial density in high intensity ion beam

    強流離子束離子徑向密度分佈的模擬研究
  5. The high intensity of a laser beam makes it a convenient drill.

    激光束的強度極高,這就使它成為一種方便的鉆孔工具。
  6. At last, we illustrate the imaging process of nonlinear medium by numerical simulation, and the image position and intensity are studied. at the same time, it is pointed out that a piece of nonlinear medium and high power laser beam can form a hologram system. for the first time, we found that a " dark image " ( or " cold image " ) may emerge along with a " hot image "

    最後,我們研究了「熱像」的形成機理及其規律,用數值模擬的方法形象地說明了非線性介質的成像作用,提出了用非線性介質和高功率激光形成全息成像系統的概念和思路,豐富了「全息成像」內涵,同時,首次發現了亮像和暗像同時並存的現象。
  7. Based on analyse of parameters which used to evaluate laser beam quality at present and according to the main properties which influence on laser manufacturing, beam focus characteristics parameter is put forward as the stander parameter to evaluate beam quality, because the foundmental advantage of laser beam applied in industral field is that laser beam can achieve high energy intensity through focusing

    論文在總結目前存在的評價激光光束質量參數的基礎上,根據對影響激光製造的主要光束特性參數的分析,以光束空間特性為核心,提出用光束聚焦特徵參數值作為評價激光光束質量的參數。因為激光作為能源能夠在工業領域廣泛應用的根本優勢就在於它可以通過聚焦獲得極高的能量密度,而值恰恰表徵了實際光束的可聚焦能力。
  8. Control high - intensity beam halo - chaos via power - function feedback method

    混沌的冪函數反饋控製法
  9. In former stl instruments, a laser beam with a gaussian distributed intensity was commonly used as the excitation source. nevertheless, the output of a high power laser is usually a superposition of multi - modes rather than a gaussian distribution ( tem00 ). therefore, it is very convenient to add an aperture to get a top - hat beam

    以前的表面熱透鏡裝置中,多使用高斯光束作為激勵光,但由於高功率激光器一般為多模輸出,要獲得嚴格的基模高斯光束比較困難,而平頂光束可以通過在激光器前加一定大小的光闌實現,降低了對激光光束質量的要求,更有利於實際的測量。
  10. The fusion mechanism of large deuterium clusters ( 100 ~ 1000 atoms / per cluster ) in super - intense ultra - short laser pulse field, coulomb explosions of micro - cluster in solids, gases and large - size clusters have been studied using the interaction of a high - intensity femtosecond laser pulses with large deuterium clusters, collision of high - quality beam of micro - cluster from 2. 5mv van de graaff accelerator with solids, gases and large clusters

    摘要用2 . 5mv靜電加器提供的高品質微團簇束與固體、氣體和大尺度團簇( 100 - > 1000原子團簇)碰撞,超強飛秒激光與大尺度氘團簇相互作用,研究微團簇在大尺度團簇中的庫侖爆炸特性,研究超短超強激光場中大尺度氘團簇的聚變機理。
  11. Monolayer human skin fibroblasts were used again to study the photobiomodulation of marginal irradiation of high intensity laser beam in the fourth part

    本文的第四章探討了高強度nd : yag和ktp倍頻激光束邊緣對單層人成纖維細胞的光生物調節作用。
  12. In fact, the intensity of high power laser beem decreases rapidly when laser is transmissing in bio - tissue and the intensity of the edge of laser beem is so low that photobiomodulation, which might effect the healing process after laser surgery, but not thermal effect might work. in this thesis, monolayer human skin fibroblasts was used as models to study the damage effect of high intensity laser irradiation and photobiomodulation of marginal irradiation of high intensity laser beam

    高強度激光在生物組織中迅速衰減,激光束邊緣強度低到無法損傷細胞,這部分激光對已損傷組織邊緣存活細胞的光生物調節作用(例如,對細胞增殖的促進或抑制效應,對免疫細胞功能的調節)是決定高強度激光手術後生物修復狀況的主要因素之一。
  13. And the pulse duration was compressed from 420 to 220fs by compensated gvd broadening with prism pairs, the intensity achieved on target reached 1017w / cm2. furthermore, the 50mj uv pulse was boosted to 2 - 3j by e - beam pumped amplifier, the laser power reached as high to 2tw

    並採用「天光一號」電子束泵浦krf激光器進行紫外超短脈沖激光的進一步放大,獲得能量2 3j 、脈沖寬度約1 . 2ps的紫外超短脈沖激光輸出,激光功率達到2tw 。
  14. The results show that laser beam far field intensity deflect to the wave length increasing direction about 0. 2m ~ 0. 3m when beam pass through flow field and propagate 1km in static atmosphere. high - power laser beam will have thermal booming effect when it pass through gas flow field

    研究表明由於流場中存在強的激波結構,使得激光束遠場強度分佈向光程增大的方向發生了強的偏折,在光束通過流場在標準大氣中傳播1km后,偏折達到0 . 2m 0 . 3m 。
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