expansion of waves 中文意思是什麼
expansion of waves
解釋
波浪擴散-
The nonparallel linear stability of the two - dimensional and three - dimensional disturbance waves are studied by the parabolized stability equation which is developed in recent years and the local method based on the landau expansion
採用近年來新發展的拋物化穩定性方程和利用landau展開式的局部法方程，分別研究二維和三維線性非平行流穩定性問題。 -
Fem with absorbing boundary condition and expansion of discrete chebyshev polynomials for inverse problem of elastic waves
基於吸收邊界條件的有限元方法和離散切比雪夫展開的二維缺陷識別 -
In this paper, we present the analytical results of the total band gaps of sound waves in two - dimensional sonic crystals using the plane wave expansion method
聲子晶體的頻溝現象，可應用於徹體波濾波器或表面聲波濾波器，阻止特定角度與頻率入射的聲子傳遞，藉以達成濾波之效果。 -
The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction. in addition high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory and the dispersion relation. furthermore, a class of optical solitary wave solutions, such as the bright - bright, dark - dark, bright - dark, and combined solitary waves are found under certain parametric conditions
數值研究了源啁啾飛秒孤子間相互作用，提出了抑制該作用的可能方案；用奇異攝動多重尺度導數展開法和色散關系推導了耦合高階非線性薛定諤方程（ chnlse ） ，並用行波變換法得到了一系列孤波解析解，分析了它們在光纖中傳輸的必要條件，也討論了它們的穩定性，為實現飛秒光脈沖在光纖中的無畸變傳輸作理論上的探索。 -
The initial solutions of two - dimensional harmonic waves are given by landau expansion and the mean - flow - distortion is calculated by the approximation equation. furthermore, we employ iteration method and “ predictor - corrector approach ” to solve the nonlinear equations in order to implement the marching procedure, and the result of nonlinear two - dimensional stability is obtained precisely. the effect of pressure gradient is also studied here
文中所發展的數值方法，包括採用landau展開給出二維諧波的初始解、模擬流場的均流變形以及採用迭代和預估校正方法實現非線性方程的求解和推進，得到了二維擾動的非平行非線性穩定性的精確結果。
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