查询词典 polynomial equation

By means of this connexion, we give an algorithm for parallel computing all the roots of the polynomial expression equation.

它对信号进行时频变换，这一点在我们选择母波函数作为激发函数时可以得到进一步的验证。

Then experiment data was suitably combined and variable substitutions were made, and polynomial of the improved Sellmeir equation was given to fit the experiment data.

对实验数据作适当的组合和变量替换，将修正的Sellmeir方程展开成多项式对实验数据进行拟合。

Using the new algorithm and transforming the Euler-Lagrange equation into polynomial type, the second Cawley counterexamples is solved.

利用新算法，并把Euler-Lagrange方程化为多项式形式，求解了Cawley第二个反例。

Weinnovativly introduce Dickson polynomial to solve the equation, which makes theprocess easy and feasible.

在证明过程中创造性地引入Dickson多项式来求解方程，使得方程的求解变得简单可行。

Thirdly, interpolation equation, polynomial interpolation filter and interpolation control for timing adjustment are studied.

最后针对定时调整算法，研究了插值等式、多项式插值滤波器及插值控制，模拟了插值环路的性能。

On the basis of polynomial substrate impedance model, multipole GMRES algorithm is adopted to solve impedance matrix equation.

我们以边界元方法计算的结果为数据点，通过分段曲线拟合得到了简单而准确的多项式阻抗模型。

Observation well, water level equation, response lag, power-series solution, approximation polynomial

观测井，水位方程，响应滞后，幂级数解答，近似多项式

A new method of wavefront fitting based on regression analysis of normal equation is proposed using Zernike polynomial s.

介绍了一种干涉波面的Zernike多项式拟合方法，该方法从构造的正规方程入手并对其进行逐步回归分析，从众多的Zernike多项式模式中选取影响显著的模式。

In signal processing of sonar and radar, we meet a class of nonlinear systems with alterable dimensions, and every equation in the system is a mixed trigonometric polynomial.

在声纳和雷达信号处理中，需要求解一类维数可变的非线性方程组，这类方程组具有混合三角多项式方程组形式。

The standard formation heat of gaseous trimethylbenzene was estimated with Watson empirical equation. The gaseous trimethylbenzene's standard entropy was calculated with bond entropy method and its heat capacity changing trend with temperatures was obtained according to polynomial regress.

气相三甲基苯的标准生成热ΔH(上标θ下标 298.15)用沃森经验方程估算，标准熵S(上标θ下标 298.15)用键熵法估算，摩尔等压热容C随温度的变化趋势通过多项式回归的方法得到。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。