波長的計算 的英文怎麼說
中文拼音 [bōzhǎngdejìsuàn]
波長的計算
英文
wave length calculation- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 長 : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
- 的 : 4次方是 The fourth power of 2 is direction
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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Using the hulscher model of the formation of sand waves and sandbanks, under the ancient bathymetry, or under the modern bathymetry, the stokes number of the tidal flow and resistance parameter in the radial sandbanks satisfy the conditions for the formation of sandbanks. the research demonstrates that the dynamic flow conditions result in the development of tidal current sandbank. the radial sandbanks and it ' s asymmetrical distributions will still maintain in the future
應用hulscher沙波及沙脊增長模式,通過對該海域斯托克斯數及底部阻力參數的計算首次發現,南黃海輻射沙脊群海域在概化古地形和現代輻射狀沙脊群水下地形情況下,其斯托克斯數及底部阻力參數均滿足形成潮流沙脊的條件。The next move is to deduce the range of a bombing radiating wavelength with the flying bomb ' s temperature being analyzed and to compute the target ' s irradiance and radiated luminance between spectral penetrating strip based on the planck formula for the black body
在此基礎上,從分析飛行彈體的爆炸溫度出發,推導了彈體爆炸時輻射峰值波長的范圍,分析了黑體輻射的普朗克公式,計算出目標在光譜通帶內的輻出度和輻射亮度。According to this, the phase - matching conditions, effective nonlinear coefficients, acceptances of angle and wavelength for biaxial " crystals have been discussed in detail. thermal lens effect is an important factor which affects the quality of laser beam and the amount of output power
實驗上,採用了雙軸晶體lbo作為倍頻晶體,因此對雙軸晶體相位匹配、有效非線性系數的計算、允許角、允許波長給出了較完整的分析。On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam
論文研究論證了用值評價激光光束質量的實際意義在於兩個方面,一方面它僅僅包含了光束束寬和發散角,不涉及波長的因素,使不同波長激光束的可加工能力具有可比性;另一方面,值是根據對光束傳輸路徑上不同位置處束寬實際測量結果的計算值,比其在與基模高斯光束進行比值計算得到的m2因子更簡潔、更有說服力。On the basis of the number and exact position of sensitive wave bands, the mechanisms of measuring surface colors by means of a computer with sensitive wave band method are established, which provides a rapid and effective method for measuring and controlling colors
摘要根據色度學理論尋求靈敏波長的個數和確切位置,從而建立靈敏波帶法計算機測色機制,為顏色測試和控制提供快速有效的方法。It is also found that replacement of substrate and adjustment of film stack structure would lead to the change of drift, this will enhance the temperature stability of filter
同時經過計算分析發現通過更換膜系基板和調整膜系結構可以改變濾光片中心波長的漂移,這個結果有助於提高濾光片的溫度穩定性。Abstract : from a universal formula for calculating the attenuation cross section of particles in arbitrary shapes, exact expressions for calcualting the attenuation cross section of polydisperse, small spheroids, whose rotary axes are in specific status, have been derived. attenuation cross sections of both liquid and ice particles in different shapes at different wavelengths in microwave band have been computed and analyzed. the results are informative to microwave remote sensing of precipitation
文摘:從計算任意形狀粒子的衰減截面普遍公式出發,推導出了小旋轉橢球粒子群旋轉軸處于不同狀態時的衰減截面函數表達式,並計算分析各種狀態下衰減截面隨降水粒子相態、形狀和入射波波長的變化特徵,所得結果可用於降水微波遙感。The results of computer simulation show that both the radius of disk and the depth of focal length decrease as increasing incidence wavelength, meanwhile, the intensity of disk is enhanced
數值計算了圓形透鏡的色散,結果表明:焦斑的半徑和焦深隨入射波長的變大而減小,光斑的強度隨入射波長的變大而增強。Finally, the values of kinematic parameters in typical swimming are estimated for theoretical calculation and computational simulation. based on the kinematic formulation, this paper applies large - amplitude elongated body theory to propulsive performance of undulatory dorsal / median fins and establishes a set of equations for estimation of the propulsive force and the propeller efficiency. the calculations based on experimental data coincide with blake ’ s result in 1980
從波動運動的參數方程出發,本文基於大擺幅伸長體理論對背鰭/背臀鰭波動模式的推進性能進行了分析,推導推進力和推進效率的計算公式,利用實驗觀測典型運動參數對仿生對象的推進力和推進效率進行了理論估算,結果與blake的計算結果相吻合,從而驗證了所建運動學模型的有效性。Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。In the second section, i. e. chapter two, three and four, firstly, the thermal induced third order nonlinear optical characters of three organometallic complexes ( nil2, cul2, pdl2 ) are studied by the z - scan technique, thermaloptical coefficients of the three compounds excited under different laser wavelengths are calculated the results show that the thermaloptical coefficients are dependent on excitation wavelengths, the absorptions under these wavelengths and molecular structures of these compounds
第二部分,即論文的第二、三、四章,首先,我們利用連續激光的457 . 5nm 、 488nm 、 514 . 5nm三個波長z掃描方法研究了nil _ 2 、 cul _ 2 、 pdl _ 2三種新型化合物的熱致三階非線性光學特性,分別計算了三種化合物在各個波長的熱光系數。結果表明,其熱光系數與激發波長、在該波長下的吸收、及化合物結構都有一定關系。Armed with knowledge of the physical properties of the four cones and the oil droplets, butler and i were able to calculate what mixture of red and green wavelengths birds should see as having the same hue as a particular yellow wavelength
知道了四種錐細胞與油滴的物理性質之後,巴特勒與我就可以計算出來,如果要使鳥類將紅綠混合光看成是特定波長的黃光時,其間的混合比率該是多少。The analyses of the calculated current fields, wave fields and suspended sediment distributions under normal or typhoon weather show that the model system can preferably reflect hydrodynamic fields and sediment distributions in the yangtze estuary
分析流場、波浪場以及正常和臺風天氣下的懸沙場的計算結果,表明該模型系統能合理地反映長江河口區域的水動力場和泥沙場的分佈。The author ? major contributions are as follows. 1. with the performance requirement ( the pattern of the antenna, the rang of scanning angle, the maximal sidelcbe level and the beam ~ vidth ) givcn, a method is presented to determine the basic parameters of a serpentine feed, which includes the distance and ~ vaveguide length bet ~ veeii t ~ vo couplers, the size of the arrays and the number of components
根據天線的工作頻帶、掃描范圍、副瓣電平、半功率寬度等技術指標要求,給出了確定波導慢波線基本結構尺寸的計算公式,即對相鄰單元之間的空間距離、耦合器之間的饋線波導長度、陣列的大小和單元數的計算。Being utilized in the wave propagation for nan gang of yangtze river estuary, this model can give good results of numerical simulation by effectively reflecting the influence of complicated topography which is comprised of shoal - channel spaced in between
將模型應用於地形復雜變化的長江口南港水域內波浪場的計算,計算結果說明,模型能較好地反映灘槽相間、急劇變化的地形的影響。Next, a novel priority - based wavelength assignment algorithm in all - optical networks with partial wavelength conversion is proposed, based on link independent assumption and the method of calculating the network the blocks probability. it improves the routing and wavelength assignment presented by others. this algorithm fits the demand of different business for asking the grade of corresponding different services in the modern all - optical network than the original algorithm
其次研究了部分波長可變wdm網中支持優先級的波長分配問題,以及在此網路中網路阻塞概率的計算;基於鏈路波長佔用獨立性假設,改進了在部分波長轉換wdm網中已有的rwa演算法,提出了一種支持優先級的動態波長分配演算法,該演算法保證了較高優先級的光路建立請求具有較低的阻塞率,比原有演算法更加適合現代光網路中不同業務請求對應不同服務等級的要求。As the dispersive influence can be easily described by a frequency transfer function, the feasibility of measuring the function with the g - s algorithm is researched numerically in the next part. from the results of simulation with fibers with different length and pulses with different width, it ’ s known that the convergence of the algorithm is related to the difference between the input and output pulse. then, the influence of attenuation and self phase modulation of fiber is discussed, and the influence of the delay phenomenon and fitted polynomial is also analyzed
通過對不同光纖長度和不同輸入脈沖脈寬的計算,得到了g - s演算法的收斂性與輸入波形和輸出波形之間的關系;在此基礎上,通過對光纖損耗、自相位調制的模擬,分析了損耗和自相位調制對光纖傳遞函數測量的影響;本文還分析了波形測量中的拖尾現象和多項式擬合對測量的影響,進而,對利用g - s演算法進行單模光纖傳遞函數測量的可行性進行了闡述。This paper describes the application of finite element method for obtaining the cutoff wavelength, field pattern and bandwidth in ridged waveguide of ridge on the short side, gives the specific equation of related parameter to the subject
摘要提出用有限元方法分析位於窄邊的脊波導主模的截止波長和場結構圖以及單模帶寬特性,推導出用有限元法計算相關參數的計算公式。On the basis of this analysis the radiation and diffraction forces of the ship are calculated using these three methods and compared. at the same time vertical ship motions in regular wave are solved by these three methods. the results are compared to test each method ' s availability and suitability, thus the theoretical basis of optimize design of sea - keeping performance is provided
分別介紹了二維切片法、高速細長體理論和三維理論的基本原理,分析了三種不同方法各自的適用性,在此基礎上分別計算了船舶的輻射力和繞射力,比較了這三種方法的計算結果,為不同營運目的的船舶耐波性計算提供陜速有效而實用的計算方法;同時應用三種方法計算了船舶在規則波中的垂向穩態運動響應,比較三種方法的計算結果,測試各種方法的有效性和適用性,為船舶耐波性的優化設計提供原始的理論基礎; 2On the other hand, the calculation on difference earthquake wave show : the spectrum of earthquake wave will affect dynamic property of structure like long period of xiao wan dam
另外,不同性質的地震動輸入所得的計算結果表明,地震波的頻譜特性對于小灣大壩這樣的長周期結構的動力反應特別是位移反應有明顯的影響。分享友人