高爾斯束 的英文怎麼說
中文拼音 [gāoěrsīshù]
高爾斯束
英文
fasciculus of gowers-
The “ rough beast ” in question could be an end to the global “ liquidity bubble ” that has been fuelling asset prices, allowing private - equity groups to raise record sums and hedge - fund managers and russian plutocrats to buy up contemporary art, mayfair property and luxury yachts
現在所說的」狂獸」很可能是全球」流動性泡沫」的結束,這些流動性泡沫助長了資產價格的上升,導致私人股份集團的總額升至創紀錄的高度,使對沖基金經理和俄羅斯財閥們能競相買入當代藝術品,梅菲爾區的地產和奢侈的遊艇Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples
基於廣義惠更斯-菲涅爾衍射積分,並考慮了像散的影響,對高斯光束通過像散透鏡后的傳輸特性作了解析研究,以光束傳輸因子和桶中功率為參數分析了像散高斯光束的光束質量,並以數值計算例加以說明。The diffraction formula and statistical law of optical fields are used to get the cross - correlation function of intensities of laser speckles of the moved diffuse object
該方法利用光傳播的菲涅爾衍射公式和光場的統計規律,給出散斑場光強在散射體位移前後的高斯光束相關函數的表達式。It is shown that the fgb and sgb passing through a paraxial abcd system demonstrate similar irradiance profile at the positions of the equal generalized fresnel number. but the fgb and sgb passing through a paraxial abcd optical system having spherically aberrated lens do not demonstrate similar irradiance profile at the positions of the equal generalized fresnel number. the nearly same irradiance profile at the positions of the equal generalized fresnel number can be achieved if the fgb and sgb have the same a / 2 - factor and waist width
在此基礎上首次對相同m ~ 2因子、四川大學博士學位論文不同束腰寬度的平頂高斯光束和超高斯光束作了比較,發現具有棋同礦因子、不同束腰寬度的平頂高斯光束和超高斯光束在近軸abcd光學系統中傳輸時,在菲涅爾數相同的兩個面上具有相側的光強分佈( 2 ) based on the propagation equation of fgbs passing through unapertured paraxial abcd optical systems, the similar transformation conditions are obtained for the first time, which is expressed as that two fgbs with the same beam order have similar intensity distributions at the two positions of equal generalized fresnel number when they propagate through two ajb, cjdi ( i = l, 2 ) systems. furthermore, a comparison between a fob and a sgb of the same beam a ^ - factor but different waist widths is performed for the first time
( 2 )通過對作為整體的平頂高斯光束在無光闌限制近軸abcd光學系統中傳輸公式的分析,首次得到了平頂高斯光束的相似變換條件,即階數相同的平頂高斯光束在傳輸矩陣為a _ ib _ ic _ id _ i ( i = 1 , 2 )的兩個光學系統中傳輸時,在菲涅爾數相等的兩個面上具有相似的光強分佈。The propagation and control of soliton in nonlinear kerr optical lattice with harmonic modulation of refractive index are investigated analytically and numerically in this paper. and some innovative research results have been worked out. the forming conditions of lattice soliton from gauss beam and the two modes of its stable propagation are obtained for the first time
本文利用解析和數值方法研究了在具有橫向折射率周期性調制的克爾型非線性光學格子中孤子的傳輸和控制,做出了一些創新性的研究結果:首次得出了高斯光束形成格子孤子的條件和兩種穩定傳輸形式。Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results
基於空間一頻率域中交叉譜密度函數的傳輸理論,研究了多色矢量gsm光束通過abcd光學系統傳輸時偏振特性的變化規律,首次推出了矢量高斯一謝爾模刑fgsm )光束通過近軸abcd光學系統交叉譜密度矩陣的傳輸公式,並對矢量gsm光束傳輸中偏振的變化、譜寬的影響和強度的分佈等進行了統一研究。The numerical calculation simulation shows that the fgb will change its shape upon propagation. ( 5 ) using the quasi - discrete hankel transform ( qdht ), the fast calculation code simulating the propagation of cylindrical symmetry laser beams passing through high power laser amplifier system is built up for the first time. the code is applied to
( 3 )明準訴散漢克爾變換編制寧旋轉對稱光束在高功率激光放大系統中傳輸的快冰汁彝摸擬程序,利用該程序對超高斯光束在多麟光放大系統中的傳輸和神光紅栩櫥化光傳。The window function of circular hard - edge apertures is simulated and optimized by the laguerre - gauss truncated series, and applied to study the diffraction of gaussian beams and 0 - order bessel - gaussian beams by the hard - edge aperture
摘要用拉蓋爾高斯截斷級數模擬了任意半徑的圓孔硬邊光闌窗口函數,並應用於研究高斯光束和零階貝塞爾高斯光束通過硬邊光闌的衍射。Finally several beam models for the partially coherent beam are introduced, which include gsm beam, polychromatic vector gsm beam and partially polarized gaussian schell - model ( pgsm ) beam et al
闡述了描述部分相干光束的數學-物理模型,包括高斯-謝爾模型( gsm )光束、多色矢量高斯-謝爾模型光束和準單色矢量高斯-謝爾模型光束即準單色部分偏振高斯-謝爾模型( pgsm )光束。Just before setting out for the german war, 126 and before the period of mourning had yet expired, he married his daughter127 to claudius pompeianus, the son of a roman knight, and now advanced in years, a native of antioch, whose birth was not sufficiently noble ( though marcus later made him consul twice ), since marcus ' daughter was an augusta and the daughter of an augusta
在對日耳曼的戰爭開始之前( 126 ) ,而且哀悼期尚未結束,他把女兒嫁給了克勞狄烏斯?蓬皮安努斯( 127 ) ,一位羅馬騎士的兒子,一個年長的安提阿人,出身不甚高貴(不過馬爾庫斯稍後使他兩次成為執政官) ,雖然馬爾庫斯的女兒是皇后加公主。In high - power solid - state lasers, self - focusing is the major factor for degradation of laser beam and limits the maximum laser power available. as stated in lowrence livermore national laboratory ( llnl ) reports, self - focusing, especially small - scale self - focusing, has always been a significant problem in the total design, engineering development, and safe operation of fusion lasers
在用於慣性約束核聚變( icf )的高功率固體激光驅動器中,自聚焦是使光束質量變壞和限制輸出功率的主要因素,正如美國勞侖斯?利弗莫爾國家實驗室( llnl )的報告所述,自聚焦,特別是小尺度自聚焦,是聚變激光器總體設計、工程研製和安全運行的重要問題。However, in fact, a laser beam is hermit - gaussian in general and gaussian in its fundamental mode
而實際土激光光束近似為厄米一高斯光束或拉蓋爾一高斯光束,其基模為高斯光束。New infection of truncation parameter on focal shift and focal switch is investigated when studying laguerre - gaussian ( l - g ) beams passing through an aperture - lens separate optic system
摘要以拉蓋爾高斯( l - g )光束通過光闌透鏡分離的光學系統為例,研究了截斷參數對焦移量和焦開關的影響。It has been pointed out that, to meet some requirements in practical applications, the partially coherent flattened gaussian beam is a suitable choice, which can be realized by using the superposition of partially coherent finite laguerre - gaussian modes or hermite - gaussian modes
提出了用有限個拉蓋爾高斯模或厄米高斯模的部分相干迭加來產生部分相干平頂高斯光束,以滿足某些實際應用要求的新方法。7. propagation properties of flattened gaussian, bessel - super - gaussian and laguerre - gaussian beams are studied by using the collins formula in the frequency - domain and hankel transform. the results are compared with those by means of the collins formula in the space - domain, and the advantage of the method is discussed
用頻域collins公式和hankel變換研究了平頂高斯光束、貝塞耳?超高斯光束以及拉蓋爾?高斯光束的傳輸特性,並與空域collins公式計算結果作了比較,同時討論了該方法的優點。The results of the axial and transversal intensity distributions of gaussian beams and 0 - order bessel - gaussian beams show that the results by the optimized laguerre - gaussian truncated series are in good agreement with those by the fresnel diffraction integral method if the integration plane is not close to the aperture
對高斯光束和零階貝塞爾高斯光束的軸向和橫向光強分佈的計算結果表明:當積分面不是很靠近光闌時,用參數最佳化選取的拉蓋爾高斯截斷級數法與用直接數值積分所得結果符合很好。Starting from the propagation law of partially coherent light and using a typical partially coherent light, i. e., gaussian schell - model ( gsm ) beam describing the multimode laser in practice, i present in this dissertation the research results on vectorial partially coherent light, spectral changes of partially coherent light passing through optical element, spectral switch of partially coherent light diffracted by an aperture, and the spectral anomaly of diffracted fully spatially coherent light by an aperture
本文從部分相干光的傳輸理論出發,以模擬實際多模激光的一類典型部分相干光? ?高斯-謝爾模型( gsm )光束為主要研究對象,對矢量部分相干光、部分相干光通過光學元件的光譜變化、被光闌衍射的部分空間相干光的光譜開關和被光闌衍射的完全空間相干光的光譜異常等現象進行了深入研究。Effect of mutiple gaussian - schell beams through strong turbulence on log - intensity variance
多高斯-榭爾光束通過強湍流對光強閃爍的影響In this paper, the evolution of two co - propagating optical beams in parallel, governed by the nonlocal nonlinear schrodinger equation ( nnlse ), is discussed in nonlocal kerr media
本論文研究了在強非局域克爾介質中平行入射、共同傳輸的兩高斯光束的演化規律。光束在非局域非線性介質中的傳輸滿足非局域非線性薛定鄂方程( nnlse ) 。分享友人