三角多项式 meaning in English
trigonometric polynomial
Examples
- Approximation of some classes of periodic functions of two variables by trigonometric polynomials
一个二元周期函数类用三角多项式的逼近 - With the characteristic function method , necessary and sufficient algebraic criteria have been developed for a class of three - delay linear difference systems . the key of the criteria is to verify that the value of a trigonometric polynomial is less than one
借助特征函数法，获得了一类三时滞线性差分系统的充要代数准则，其核心是判定某三角多项式的值小于1 ，这一问题由绘图法解决。 - The obtained results in the paper are as follows : ( 1 ) the expansion of fourier series of orthogonal trigonometric polynomial for conditional mathematical expectation and function of random variable ; ( 2 ) the best approximation of trigonometric polynomial about another random variable for function of a random variable ; ( 3 ) the best approximation order of trigonometric polynomial for function of random variable
摘要获得了如下结果： ( 1 )条件数学期望及随机变量函数的三角多项式级数表达； ( 2 )一个随机变量关于另一个随机变量的三角多项式的最佳逼近； ( 3 )随机变量函数被随机变量三角多项式最佳逼近的阶。 - This paper summaries the researches on the new schemes of parameter curves and surfaces modeling - curves and surfaces modeling of trigonometric polynomial , which includes curves and surfaces of t - bezier , t - b - spline , tc - bezier and tc - b - spline . hc - b zier curves and surfaces are also discussed in the space of hyperbolic functions in the end
本文主要对参数曲线曲面造型的一种新方法? ?三角多项式曲线曲面进行了深入研究，其内容主要包括t - b zier曲线曲面、 t - b样条曲线曲面、 tc - b zier曲线曲面和tc - b样条曲线曲面。