1) quasi linear approximation
准线性近似
2) LQL approximation
局部准线性近似
3) linear approximation
线性近似
1.
This paper compares the performance of three types of linear approximations for the dynamic security region of power system with network-reduction model.
分析比较了网络约化模型下电力系统动态安全域的3种线性近似方法的综合效能,分别为: 基于稳定域二次近似的动态安全域线性近似(Q线性近似)、基于稳定域线性近似的动态安全域线性近似(L线性近似)和基于稳定域边界法向量恒定假设的动态安全域近似(L0线性近似)。
2.
This paper presents a method to measure nonlinearity of the nonlinears models under the restricted condition and also presents a numerical standard for linear approximation acceptable curvature and bias.
测量数据处理中不同的非线性模型具有不同的非线性强度，从而使得一些非线性模型可以线性近似，而另一些选择适当的参数变换后可以线性近似，还有少数不能线性近似。
3.
Hamiltonian is derived in linear approximation for a three-dimensional anisotropic simple cubicdouble-sublattice Heisenberg ferrimagnetic model.
在线性近似下导出了三维各向异性的双子格简立方Ｈｅｉｓｅｎｂｅｒｇ亚铁磁体模型的哈密顿量，采用矩阵格林函数运动方程技术，得到了自旋波的色散关系，并给出了零温时子晶格磁矩的解析表达式，数值计算结果表明，层间和层内耦合强度之比δ＝Ｊ＿／Ｊ对亚铁磁体的性质有着重要影响。
4) approximate linearization
近似线性化
1.
Study on approximate linearization and stabilization via state feedback for WMR math model;
移动机器人数学模型的近似线性化
2.
Ball and beam approximate linearization and realization of Matlab;
球棒系统的近似线性化及Matlab实现
3.
By means of approximate linearization and reducing order to micro turbine model, its transfer function is obtained.
为更方便、经济地研究微型燃气轮机的电特性,可采用斩波器来模拟微型燃气轮机发电系统直流侧的电特性,通过对微型燃气轮机的模型进行近似线性化和降阶处理,得到了其传递函数。
5) linear approximation
线性化近似
1.
The analysis of valid range of the linear approximation in a loss mod el with a single-mode laser;
三阶近似激光模型线性化近似适用范围的分析
2.
Analysis of valid range for the linear approximation method in a signal-modulated single-mode laser;
输入信号后单模激光系统线性化近似适用范围分析
3.
By using the linear approximation method, the normalized intensity fluctuation was calculated in a gain-noise model of a single-mode laser driven by colored correlated noises, and the influences of the parameters of the noises and modulation signal normalized intensity fluctuation were studied.
应用线性化近似方法计算了信号直接调制方式下由具有色关联的色泵噪声和色量子噪声驱动的单模激光增益模型的光强相对涨落 ,分析了噪声和调制信号等参量对光强相对涨落的影响 ,结果表明 ,泵噪声自相关时间与量子噪声自相关时间及其比值对光强相对涨落起到重要的作
6) bilinear approximation
双线性近似
1.
The bilinear approximation method is applied to solve the frequency of nonlinear free bibration for both bimodular system with gaps and that without gap.
应用双线性近似方法讨论了有间隙双模量结构和无间隙双模量 结构非线性自由振动频率的近似求解问题。
补充资料：近似连续性
近似连续性
approximate continuity
近似连续性【aPpro万mate continulty;..甲邢，砚ar~I.eupep‘.曰oc几] 连续性概念的一种推广，其中普通极限用近似极限(aPproximate limit)代替.函数f(x)称为在点x。是近似连续的(approximately continuous)，是指 lim aPf(x)=f(x。)· X弓xo在最简单的情形，f(x)是n维Euclid空间上的实值函数(一般地，它是向量值函数).下面的定理成立.1)实值函数f(x)在集E上Lebesgue可测的充要条件是，f在E上几乎处处近似连续(见C代naHoB一Denjoy定理(Stepanov一Denjoy theorem)).2)对于任意的有界Lebesgue可测函数f(x)，在它的每个近似连续点x。，下式成立: 。:去~lf(二)J;一f(二。)， 两风R)穿‘”’一尸其中拜是n维Lebesgue测度，R是包含x。的非退化的n维线段，而p为它的直径.【补注】有关其他参考文献，见近似极限(approximatelimit).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条