查询词典 polynomial

An aircraft sequencing problem is a non-deterministic polynomial hard problem, which is hard to resolve.

飞机排序问题属于NP难问题，解决比较困难。

It is further shown that this 2-D polynomial EM-based algorithm for time-varying OFDM can be simplified mathematically to handle the one-dimensional sequential estimation.

PEMTO算法在数学上进行简化后，可以用来进行一维序贯信道估计。

The results show that fit Sigmoidal is better than fit polynomial, and the detection efficiency at any points of energy and density could be conveniently calculated with it in calibrated range.

结果表明：S拟合优于多项式拟合，利用给出的修正函数可以求得在实验刻度范围内任一源密度及γ能量的全能峰探测效率。

The efficiency correction function of source absorption of an HPGe γ detector is determined by experiment in energy range from 59.5keV to 1408keV and density range from 0.3g/cm^3 to 2.0g/cm^3. Fit Polynomial and fit Sigmoidal are compared.

采用实验法在59.5keV~1408keV的能区和0.3g/立方公分~2.0g/立方公分的密度范围内，测定一台HPGeγ谱仪效率的源自吸收修正函数，比较了多项式拟合和S拟合两种形式的源自吸收效率修正函数。

In this paper, the author attempts to bring forward a polynomial algorithm in sense of probability, which is an improved model of simplex method.

本文尝试给出一种单纯形法的改型算法，它在概率意义下是多项式时间算法。

Based on the mechanism of secondary flow formation and development in a turbine cascade, SINE function and polynomial function were applied to develop a non-axisymmetric endwall profiling method.

根据叶栅内部二次流形成和发展的机理，应用正弦函数和多项式函数建立了一种叶栅非轴对称端壁成型方法。

In Chapter 2, by studying the computation of the quantities of singular point of the original of the following complex autonomous polynomial differential system

在第一章，我们对平面多项式微分系统的中心焦点判定与赤道极限环分支问题研究的历史背景与现状进行了全面综述。

Based on the polynomial fitting of power function, FFT of sinusoidal function and 1-level decomposition of Daubechies wavelet, the simulation shows that the approximation of DT and the gradient depend on the width of horizontal distance spectrum.

文章基于幂级数多项式拟合、三角函数的FFT 和一级Daubechies 小波分解的理论分析以及数字地形的数值仿真，研究了近似地形的精确度与坡度的确定性因素。

However, some high skewness distribution can not be modeled by Gaussian polynomial directly, we may get complex coefficients.

然而，一些含有高度偏态的分布没有办法直接使用高斯多项式去呈现，我们会得到一些复系数。

To the soft coal, there are once crack density increment and once crack expansion, and the expansion is import to fracture. It is found that the relation between the fractal dimension of crack and the abutment pressure is polynomial expression.

研究表明，裂隙分维和支承压力具有良好的多项式定量关系；同时，通过顶煤压裂试验得出了基于损伤力学的顶煤压裂本构方程，损伤变量的变化验证了裂隙演化规律的正确性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。