符号计算 meaning in English
symbolic computation
Examples
- The innovation of the thesis as follows : advances the generalized computing theory that combines symbolic computing with neural computing , fuzzy computing and evolutionary computing
本文的价值在于：提出了融符号计算、神经计算、模糊计算和演化计算于一体的广义计算理论。 - In this dissertation , with the aid of many types of constructive transformations and symbolic computation , some topics in nonlinear waves and integrable system are studied , including exact solutions , painleve integrability , backlund transformation , darboux transformation , symmetry ( similarity reduction ) , conditional symmetry , lax integrable hierarchy , liouville integrable n - hamilton structure , constraint flow , involutive system , lax representation , r - matrix , separation of variables and integrable couplings . chapter 2 and 3 are devoted to investigating exact solutions of nonlinear wave equations : firstly , the basic theories of c - d pair and c - d integrable system are presented
本文以构造性的变换及符号计算为工具，来研究非线性波和可积系统中的一些问题：精确解(如孤子解、周期解、有理解、 dromion解及compacton解等) 、 panileve可积性、 backlund变换、 darboux变换、对称(相似约化) 、条件对称、 lax可积族、 liouville可积的n - hamilton结构、约束流、对合系统、 lax表示、 r -矩阵、变量分离及可积的耦合系统 - Using matiab symbolic computation , this paper studies the sensibilities of cvt ' s parameters , characteristic of cvt ' s transient noise , deduces the formula of cvt ' s secondary voltage and the formula after fourier transform ; then bring forward the least square algorithm for cvt and the compensatory algorithm based on fourier transform
本文运用matlab的符号计算，分析了cvt参数的灵敏度，其暂态噪声的特点及对保护的影响，推导了cvt二次侧电压及傅氏变换后的形式，在此基础上提出了针对cvt的最小二乘算法以及基于傅氏算法的补偿算法。 - A method for training a time - domain equalizer having at least one coefficient that includes estimating a channel , initializing the at least one coefficient of the time - domain equalizer , updating the at least one coefficient of the time - domain equalizer with the estimated channel , retaining the updated estimated channel , fixing the updated value of the at least one coefficient of the time - domain equalizer for at least a one - symbol duration , calculating a modulated symbol based on an output of the time - domain equalizer , calculating a second value for the estimated channel based on the modulated symbol , setting the estimated channel to the second value , and repeating the step of updating the time - domain equalizer through the step of setting the estimated channel to the second value until a predetermined condition has been met
本发明系一种用以训练一具有至少一系数之时域等化电路之方法，让方法包含估计一通道；初始化该时域等化电路至少一系数；利用该估计通道来更新该时域等化电路之至少一系数；保留该更新之估计通道；维持该时域等化电路之至少一系数之更新值至少一符号周期固定；根据该时域化电路之一输出，计算一调变符号；根据该调变符号计算一用于该估计通道之第二值；设定该估计通道等于该第二值；及重复更新该时域等化电路至设定该估计通道等于该第二值之步骤，直到符合预设条件为止。 - The second part , with the aid of many types constructive transformation and symbolic computation ( especially wu algebraic elemination method ) , some topics in nonlinear evolution equation are studied , including exact solution ( solitary solution , periodic solution , rational function solutions and jacobian function solution ) , backlund transformation , cole - hopf transformation , dromion solution and its construction etc . charter 2 introduces ac = bd model and its application about partial differential equations
第二部分以构造性的变换及符号计算特别是(吴代数消元法)为工具，来研究非线性演化方程中的一些问题：精确解(如孤子解、周期解、有理解和雅可比椭圆函数解(双周期解)等) 、 backlund变换、 hopf变换， dromion解及衰变结构等第二章介绍了求解pdes的ac = bd模式及其在偏微分方程中的作用。