Hirota双线性方法；
There are many methods of scaling pictures, the common of which are snapshot method, average method and bilinear method.
图片缩放的处理方法有很多种，常规的有抽点法、平均法、双线性法。
The main mathematical tool of this method is bilinear interpolation.
该方法的主要数学工具是双线性插值。
A series of Gaussian digital approximation filters used in roundness measurement were designed on the basis of approximation method and bilinear transformation.
文中用逼近法和双线性变换法，设计了用于圆度测量的高斯数字逼近滤波器，并给出了零相移的递归滤波算法，计算量小，计算效率高，易于实现。
Similarity transformation method is used to convert a bilinear matrix inequality problem into a linear matrix inequality(LMI) problem.
针对设计过程中的双线性矩阵不等式问题，采用相似变换法将其转化为线性矩阵不等式（LMI）问题。
In this paper, the bilinear finite element method for a kind of nonlinear hypobolic equations was discussed.
研究了一类非线性拟双曲方程的双线性有限元方法。
For IIR, after researching Pulse Response Method, Step Response Method, Bilinear Transform Method, Direct Design Method, it is found that IIR is unsatisfactory.
对IIR的脉冲响应不变法、阶跃响应不变法、双线性变换法和直接设计法进行研究，得出IIR难以满足要求的结论。
In this paper, an identification method of bilinear system under small samples is proposed.
本文提出了双线性系统的一种小样本辨识方法。
Equations of sliding mode for bilinear variable structure control system are structured by employing method of equivalent control.
使用等价控制方法构成双线性变结构控制系统的滑动模态方程。
The paper based on genetic algorithms proposes a method for identification of bilinear discrete dynamic model parameters.
本文以遗传算法为基础，提出了一种辨识双线性离散动态系统模型参数的方法。
A design method of switched-current (si) ladder filters using the bilinear transformation is proposed.
本文提出了一种用双线性变换进行开关电流(SI)梯形滤波器设计的方法。
A new design method of tracking controller and observer by using Lyapunov stability theory for the bilinear d.
针对双线性直流电动机跟踪控制系统提出了一种设计方法。
The results of idealized experiment show that the stability of the conservative interpolation method is better than that of the bilinear one.
理想试验结果表明守恒插值的稳定性要好于双线性插值。
In Chapter 5, we discuss the superconvergence and extrapolation of bilinear finite element with no-smooth solution by the new error estimate method.
第五章利用新的误差估计方法讨论了双线性元的超收敛性及非光滑解双线性元的外推。
In Chapter 5, we discuss the superconvergence and extrapolation of bilinear finite element with no-smooth solution by the new error estimate method.
第五章利用新的误差估计方法讨论了双线性元的超收敛性及非光滑解双线性元的外推。
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