cross propagation 中文意思是什麼
cross propagation
解釋
交叉增長- cross : n 1 十字架；〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教（教義，國家）。3 不幸，苦難；挫折，...
- propagation : 持續培養
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Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through " variable cross - section " of metal bar embeded layer was put forward
摘要運用波動的經典理論，提出了導波在金屬桿嵌入層「變截面」傳播時波速改變的「等效彈性模量」的概念。 -
Let us consider a slender bar of the medium, with a constant cross - section area. a short axial disturbance is produced at one of the bar, resulting in the propagation of a wave
此方法的原理在於考慮一個等橫截面的圓形細桿介質，在波傳播到桿的一端時，產生了微小的軸向干擾。 -
Propagation of cross - correlation function in divided - wavefront interferometry
分波前干涉法中空間互相關函數的傳輸 -
The essence of the development of network technology is the great development of information propagation. and the information propagation of modern society takes on the characteristics of virtualization, openess, immediateness, individualiza - tion, cross - culture, vividness and uncontrollahility, which differ from the traditional society in channels or media, means & ways, level, penetration and influence
網路技術發展的本質是信息傳播的巨大發展，使得現代社會的信息傳播，不僅在渠道或媒介上，更在手段、方式、水平及滲透性和影響力等各個方面，與傳統社會有了很大區別，呈現出虛擬性、開放性、即時性、互動性、個體性、跨文化性、形象性、不可控性等特徵。 -
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。 -
As an example, polarization changes in vector gsm beams propagating through a telescopic system have been analyzed and illustrated by numerical results. it has been found that propagation - induced polarization changes are non - uniform across the beam cross - section. for the symmetric gaussian spectrum, the effect of the bandwidth on the polarization is barely noticeable
以望遠鏡系統為例進行的數值分析表明，多色矢量gsm光束的偏振不再是均勻偏振，對源光譜為對稱分佈高斯型的多色矢量gsm光束，譜寬對光束偏振特性的影響不明顯。 -
Based on the surface runoff and sediment load and changing characteristic of river boundary in different period in the lower yellow river, the regulating mechanism of cross section and riverbed withered and its influence to the flood propagation were researched systematically
基於不同歷史時期黃河下游水沙條件和河道邊界條件變化特點，系統研究了斷面調整機理及河道萎縮及對洪水演進特性的影響。 -
It is a cross - issue involving many subjects simultaneously for us to study the photonic tunneling effect or the anomalous propagation of electromagnetic wave, and, as a young and spunky field, it has theoretical and practical interest
研究光子隧道穿透效應或電磁波的異常傳播現象，是一個同時牽涉到多個學科的理論與應用的交叉課題，同時也屬於一個年輕且頗具生機的領域，研究這一領域既有理論價值也有應用價值。 -
During these processes, diffraction, self - phase modulation, cross - phase modulation and physical distance between the beam centers all have important effects on the beams and the pulse beams propagation
在這些過程中，衍射、自相位調制、交叉相位調制、光束之間的間距等都對光束和脈沖光束在非線性介質中的傳輸產生重要的影響。 -
Chapter 4 : the paraxial propagation of partially coherent beams with the hermite - gaussian mode is investigated. the more generalized and simple expressions of the mean squared width and the beam quality factor of the beam with different mode order are obtained in terms of the cross - spectral density. our re - sults show that the higher order strengthens the variations of the mean beam width and the beam quality factor for partially coherent beams, and the relation between the two parameters of partially coherent beams is independent of the coherence length
第四章：初步探索了部分相干厄米高斯光的傍軸傳輸，根據交叉光譜密度得到了其不同模階數的平均光束束寬和光束質量因子更一般的解析表達式，較高的模階數使得光束展寬得越快，光束質量變差，且這兩個光束參量的關系與部分相干厄米高斯光的相干長度無關。 -
In the end, the theory of fractal geometry is applied to the waves propagation and scattering in atmospheric turbulence, and the first and second order moments of the scattering fields are derived by considering the effects of the fractal atmospheric turbulence. the normalized back - scattering radar cross section of a perfectly conducting disk is calculated. the influence of fractal dimension of atmospheric turbulence on the radar cross section is analyzed
本文最後將分形理論引入到湍流大氣中的波傳播和散射領域，導出了分形大氣湍流中光滑導體目標散射場的一階矩和二階矩，以光滑導體圓盤為例研究了湍流大氣的分維對導體目標後向散射截面的影響。 -
Some of these considderationsinclude insertion loss, cross talk, propagation delay, and unterminated stubs
需要考慮的因素包括插入損耗、串擾、傳輸延遲和未端接短截線。 -
Elastic wave propagation of a thin helical rod with circular cross section in relaxed state
鬆弛狀態圓截面螺旋細桿的彈性波傳播 -
Chapter5 : the effect of cross - phase modulation ( xpm ) on pulse propagation and sc spectrum generation in a dispersion - flattened and decreasing fiber are researched. it is found that xpm could enhance the sc spectrum generation and increase the generation efficiency
研究結果表明，交叉相位調制效應對超連續譜的產生起到增強的作用，提高了超連續譜產生的效率。 -
This means that for cross cell web layer called horizontal subject propagation to work
這意味著，為了使跨計算單元web層（稱為水平的）主題傳播工作，需要： -
There are three issues to consider : shared ltpa keys, cross cell subject propagation, and csiv2 identity assertion
需要考慮三個問題：共享ltpa密鑰、跨計算單元主題傳播和csiv2標識斷言。 -
Characteristic of sound propagation in ducts with varying cross - section
變截面導管聲傳輸特性研究 -
Chapter 3 : we find a family of solutions of the paraxial wave equation that represents ultrashort pulsed light beams propagation in free space. these pulsed beams have an arbitrary temporal form and a nearly elegant hermite - gaussian cross section, which pulsed beams we call the ultralshort pulsed elegant hermite - gaussian beams
此脈沖光束解的每個頻率分量都是eleganthermite - gaussain光束，時間脈沖的形狀是任意的，具有相同的衍射距離參數，並且可以描述短於一個光學周期的超短脈沖。
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