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- strongly nonlinear approximate 强非线性
- A energy iteration method for periodic solutions to second order strongly nonlinear non-autonomous systems is suggested. 摘要给出了确定一般二阶强非线性非自治系统周期解的能量迭代方法。
- It makes use of support vector machines' strongly nonlinear mapping ability, and network's structure is optimally auto-created. 利用支持向量机强大非线性映射能力、网络结构的自动最优化特性,实现时间序列的非线性预测。
- Much attention has been shown to Para-nitroaniline (pNA) for its strong nonlinear optical response. 硝基苯胺(para-Nitroaniline)分子由于具有较强的非线性光学响应而受到理论工作者和实验工作者的广泛关注。
- The equivalent model has good applicability for strong nonlinear Duffing systems. 该等效模型对强非线性杜芬系统具有良好的适用性。
- The model we had set up has strongly nonlinear and correctable characters, and realized War-field Electromagnetic Environment Analysis model localization. 建立的模型具有强非线性特点,有较好的可修正性,很好的实现了战场电环境分析模型的本地化。
- Chen Wen.Symbolic analysis of strongly nonlinear nonautonomous systems[J].Journal of South China University of Technology:Natural Science Edition,1994,22(2):26-33. [9]陈文.;强非线性非自治系统的计算机符号分析[J]
- A heteronomy strong nonlinear dynamics system was analyzed by using the good properries Che-byshev polynomials. 本文利用切比雪夫多项式的若干良好性质,对非自治强非线性动力系统进行分析。
- As a typical strong nonlinear surge load,the harmonic produced by the high speed maglev system is an important new type of harmonic source. 高速磁悬浮列车系统的谐波是一种典型的强非线性、冲击性电力负荷,是一重要的新类型谐波源,在没有补偿措施时,它会带来较严重的电网谐波问题。
- According to the relative crossing threshold rate,the equivalent problem of random vibration of strong nonlinear Duffing systems is approached. 以相对穿阈率为评估指标,探讨了强非线性杜芬系统稳态随机振动的等效化问题。
- It controls the strong nonlinear chaos systems validly and rapidly for introducing the concept of terminal attractors that has the properties of stability and fast convergence. 由于引入具有快速收敛和稳定性的最终吸引子概念,使该控制方法能更有效、更快速地控制强非线性的混沌系统。
- The influence of the near region was worked out by the local nonlinear approximation method, while that of the far region was computed reite. 对近场区域影响的计算采用局域非线性近似;将远场区域的影响作为外部激励源,采用迭代方法进行计算。
- Because of strong nonlinear constitute relation, the response calculation methods are noticed by many scientists. Incremental harmonic balanced method (IHB) is one of the widely used methods. 干摩擦隔振系统由于具有强非线性本构关系,它的响应计算问题被人们所关注,目前应用较多的是增量谐波平衡法(IHB)。
- A Second-order periodic Sotution of Van der pol equation is obtained by perturbation method and emend this method's application range to strong nonlinear equation Via exact transformtion. 本文用摄动法求出范德波方程的二阶周期解,利用恰当变换,把此法的应用范围扩充到强非线性方程。
- The boat heeled over in a strong wind. 船在强风吹袭下倾侧了。
- Finally we take example of nonlinear approximation,simulation results show that good initial values can be obtained by clustering and calculation can be speeded up to achieve satisfactory results. 用此设计方法对函数逼近问题进行仿真,结果表明利用聚类技术可以获得较好的初始值,学习速度快、建模精度高。
- And sugar cryatallization with strongly nonlinearity and nonstationarity is a complicated physicochemical process. 在这个过程中既有传热,又有传质,是一个复杂的化学和物理过程。
- This model is superior to Statz and Angelov models in describing the strong nonlinear Cgs in the low Vds area and it has less calculations than the numerical models based on physics of devices, therefore suitable for design and optimization of circuits. 为了进一步提高模型精度,依据实验数据对理论模型中一些敏感参数进行优化,使之在全域范围内精确反映电容变化规律,并且比较了理论和优化模型的特点。
- Second-order periodic Sotution of Van der pol equation is obtained by perturbation method and emend this method's application range to strong nonlinear equation Via exact transformtion. 本文用摄动法求出范德波方程的二阶周期解,利用恰当变换,把此法的应用范围扩充到强非线性方程。
- This kind of molecular material has strong nonlinear optical properties, and its electronic structures and dipole moments are calculated by use of density functional theory on ab initio level. 该分子材料具有较强的非线性光学性质;其分子的电子结构和电偶极矩是在密度泛函理论水平上利用从头计算方法得到的.