plane wave expansion 中文意思是什麼
plane wave expansion
解釋
平面波展開-
On computational methods in photonic crystal finite difference time domain method ( fdtd ) and plane wave expansion method ( pwe ) are widely used in calculation the dispersion relation of the photonic crystals
光子晶體計算方法的研究用於計算光子晶體的計算方法中，有限時域差分方法（ fdtd ）和平面波展開方法被廣泛使用，我對這兩種方法都有所研究，也有所突破創新。 -
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。 -
Using the plane wave expansion method, from the computation result for the band gaps structure of infinitd periodic one dimension phononic crystal, it is found the width of the first gap relates with the material portion ratio
利用平面波展開法，計算一維無限周期結構聲子晶體的帶隙結構，發現每一帶隙的寬度與材料的組份比有關。 -
The guided mechanisms and some fundamental properties of microstructured optical fibers ( mofs ) are numerical investigated using the full - vectorial plane - wave expansion method and finite element method. moreover, the applications of active and passive devices based on mofs are explored in this dissertation. especially, the fiber laser devices based on mofs, including yb3 + - doped double - cladding mof laser and mof raman amplifier, are theoretically and experimentally investigated
本文在對微結構光纖傳輸機制和基本特性進行研究的基礎上，探索了微結構光纖在一些光電子功能器件方面的應用，並對基於微結構光纖作為增益介質的光纖激光器件進行了設計分析和初步的理論與實驗研究。 -
A revised plane - wave expansion method for quickly calculating the band structure of a photonic crystal of pixel type is used to design a photonic crystal of square lattice with a large absolute band gap at high frequencies
本文用修正後的平面波方法，數值分析了由常見的半導體材料gaas （ = 11 . 4 ）和空氣為介質組成的二維光子晶體的能帶結構，發現了一些有意義的結果。 -
Using a general approach for designing two - dimensional photonic crystals of square lattice, we have found many structures whose absolute band gap hi the low or high frequency range is much larger than what has been reported in the previous literature. to speed up the computation, a fast plane - wave expansion method is introduced for calculating the band structures for such special photonic crystals
最後以gaas和te材料為基礎，通過像素分析法，從理論上提出了多種在低頻、高頻區域有大絕對禁帶的二維光子晶體，並且其禁帶寬度顯著優于所有已有文獻報道的光子晶體結構。 -
A plane - wave expansion method based on the effective medium theory is firstly introduced, and the new method has a better convergence than that of the pwm. as a new method for calculating the band structure of a photonic crystal, a finite difference scheme is also introduced to the governing differential equation based on the effective medium theory
首先提出了基於等效介質理論的平面波方法，顯著地改善了平面波演算法的收斂性質；同時提出一種新的計算光子晶體能帶的有限本徵差分演算法，與已有的平面波展開法相比，新方法保留了本徵值演算法的獨特優點，同時又克服了平面波展開法的慢收斂性。
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