A dual function scrambling method is described for the transmission in satellite channels This is a practical analog TV scrambling technique.
綜述了目前國內(nèi)外常用的有線電視加密技術特點 ,介紹了一種適合于衛(wèi)星信道的實用電視加密技術——雙函數(shù)加密方法 ,并給出了實用設計框
In this paper,many traveling wave solutions to NLS equations were obtained by using hyperbola function method and Wu-elimination method,which include new traveling wave solutions and rational traveling wave solutions.
給出一種求解非線性發(fā)展方程精確行波解的新方法——雙函數(shù)法。
With the help of Mathematica, new explicit and exact traveling solutions for the generalized (2+1)-dimensional Nizhnik-Novikov-Vesselov equation are obtained by using bifunction method and Wu-elimination method.
借助計算機代數(shù)系統(tǒng)Mathem atica,利用雙函數(shù)法和吳文俊消元法,獲得廣義(2+1)維Nizhink-Novikov-Vesselov(GNNV)方程的多組新的顯式精確行波解,包括孤波解和周期性解。
With the help of Mathematica, new explicit and exact traveling solutions for Boussinesq equation are obtained by using bifunction method and Wu elimination method, including new solitary wave solutions and periodic solutions, and the bifunction method is further complemented.
借助計算機代數(shù)系統(tǒng) Mathematica,利用雙函數(shù)法和吳文俊消元法 ,獲得 Boussinesq方程的多組新的顯式精確行波解 ,包括孤波解和周期性解 ,同時進一步補充和完善了雙函數(shù)
In this paper, with the help of Mathematica, new explicit solitrary wave solutions of KdV equation are obtained by bifunction method and Wu-eliminition method, thus the bifunction method is further complemente
借助Mathematica計算機代數(shù)系統(tǒng) ,采用雙函數(shù)法和吳文俊消元法 ,獲得KdV方程的多組新的孤波解 ,進一步補充和完善了雙函數(shù)
Stimulated by extended tanh-function method, a double functions method is proposed for constructing exact travelling wave solutions for nonlinear evolution equations.
受廣義tanh-函數(shù)法的啟發(fā),該文給出了一種求解非線性發(fā)展方程精確行波解的新方法:雙函數(shù)法。
By means of the improved double functions method, many kinds of exact travelling wave solutions for a class of nonlinear evolution equations are obtained, which contain soliton wave solutions and periodic solutions.
使用改進的雙函數(shù)法 ,獲得了一類非線性發(fā)展方程組的多組精確行波解 ,其中包括孤波解和周期解 。
With generalized double function method,higher-order Davey-Stewartson I Equation is studied.
應用廣義雙函數(shù)法研究了具有物理背景的Davey-StewartsonI方程,通過引入新的基函數(shù)、變換和齊次平衡原理,得到了該方程一批新的形式更豐富的顯式解。