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1)  trigonometric function transformation
三角函数变换法
1.
Based on the relationship of Jacobi elliptic functions and trigonometric functions,a new method called the trigonometric function transformations methods to solve nonlinear equations is obtained.
利用Jacobi椭圆函数和三角函数的转换关系得到了一种求解非线性方程精确解的方法——三角函数变换法,并将它应用于求解两个重要的非线性方程——KDV方程和变形Boussinesq方程组,得到它们的周期解和孤立波解。
2)  the conversion of trigonometric function
三角函数变换
1.
Based on the conversion of trigonometric function,a novel real-time algorithm of reactive power similar to that of active power is presented,which reactive power is speed-ily and accurately measured by the voltage,current and frequency.
运用三角函数变换的方法,提出了一种新颖的与计算有功功率相似的电网无功功率的离散化实时算法。
3)  trigonometric function method
三角函数法
1.
With the aid of computer algebraic system " Maple" and using the trigonometric function method,the new exact and solitary wave solutions of the combined KdV equation φ t+ α φ φ x+ β φ 2φ x+ γ φ xxx=0 has been obtained.
文章借助计算机代数系统Maple,利用三角函数法,得到组合KdV方程tφ+αφxφ+βφ2xφ+γxφxx=0的显式精确解。
4)  function-transformation method
函数变换法
1.
A new function-transformation method is used and exact travelling wave and solitary wave solutions for Fisher equation and two dimension Burgers-KdV equation are obtained by the function-transformation method.
采用一种新的函数变换法 ,对 Fisher方程及二维 Burgers-Kd V方程进行求解 ,得到了几类新的行波解和孤波解。
2.
In the paper,a new function-transformation method is used and two kinds of exact solitary wave solutions for a class of nonlinear wave equations,are obtained by a combination of the function-transformation method and the direct integral method.
采用新的函数变换法求出了一类非线性演化方程的两类显示精确孤波解。
3.
In the paper, a new function-transformation method is used and four kinds of explicit exact solitary wave solutions for the nonlinear derivative Schrdinger equation, which have a fifth-order stronger nonlinear term, are obtained by a combination of the function-transformation method and the direct integral method.
采用新的函数变换法,并与直接积分法相结合简便地求出了具有5次强非线性项的导数Schr dinger方程四类显示精确孤波解。
5)  Function transform method
函数变换法
1.
Application of the function transform method in solving Bernoulli equation;
函数变换法在求解Bernoulli方程中的应用
6)  antitrigonometric function method
反三角函数法
补充资料:三角
1.三只角。 2.三角形。 3.谓眼有棱角。 4.形容眼光尖利有神。 5.三角学的简称。我国古代谓之勾股。 6.三次吹号角。
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