查询词典 polynomial

From the ultrashort pulsed Gaussian beams, based on the properties of Laguerre polynomial, a family of solutions are found in theory, which represents a new family of ultrashort pulsed beams called ultrashort pulsed elegant Laguerre-Gaussian beams.

从超短高斯脉冲光束出发，根据拉盖尔多项式的性质，用理论解析推导的方法，给出了一组新的超短脉冲光束的解析解，称为超短复宗量拉盖尔高斯脉冲光束。

The paper states that polynomial based interpolators are not optimal, but they can be efficiently implemented using Farrow structure.

指出，全数字极大似然最佳接收机算法中包含非因果操作，是复杂、不可物理实现的，但是它可以作为次最优可实现算法和结构的基础。

And they got somecodes with better parameters, In [12], San Ling, Harald Niederreiter and Chaoping Xing have constructed a kind of linear codes using elements from any finite extension F_q~s(s≥3) of F_q. The rational functions are linearly combinations of the product ofsymmetric polynomial power.

San Ling，Harald Niederreiter以及Chaoping Xing在[12]中利用F_(s≥3)中元来构造一类线性码，有理函数取对称多项式的幂的乘积的线性组合，这就使码的长度可以任意大。

I have to factor a univariate polynomial over a finite field.

我必须在有穷界内分解单项多项式

We give a polynomial algorithm for the first problem and an approximation algorithm for the second one.

对于一类具有离散资源约束的排序问题当机器数目固定时本文给出了一个多项式时间算法，对于一类加工时间依赖资源的排序问题给出了近似算法。

In this article, method of Fixed Point Frequency Analysis was used to extract Fundamental Frequency ( F0) as well as establish the normalized Liner Polynomial Tone Model.

该文利用固定点频率分析提取基音频率(0)建立归一化线性多项式声调模型。

First, to optimize imprecise polynomial circuits using arithmetic transformation, implement the design under different error precision bound and considering the case of fixed point and floating point representation., to search the optimized circuits with branch and bound algorithm.

方法首先利用算术变换进行非精确多项式电路优化，给出电路在不同精度界限下的实现，考虑电路的定点和浮点设计表示，然后应用分枝定界方法求解出最终的优化结构。

No-wait flow shop problem is one of flow shop problems, and is a typically NP-complete problem, which means that it is impossible to find the global optimum in polynomial complexity.

无等待问题是流水车间调度中的一种，是一类典型的NP完全问题，已被证明在多项式时间内得不到最优值。

For some cases of single machine scheduling, parallel machine scheduling and flow shop scheduling, the polynomial algorithms are given, respectively.

对单机问题、平行机问题和流水作业问题的某些情况给出了多项式算法。

The merit of the invention are: 1 adopting free curved surface imaging method , three part reflection type Zernike polynomial free curved surface forms short focal distance bigger, relative apertures bigger fields of view angle imaging , rectifying optical aberration much better and its structure is simple; 2 adopting the reflection structure without optical lens, has removed the effect of various chromatic aberration , guarantee the imaging articulation; 3 adopt the design of short focal distance big fields of view angle, focal distance 8 - 15 mm, field of view angles 100 -135 degree, having 120 times multiplications under 250 mm imaging distance, having ultra-thin characteristic property; 4 adopting big relative apertures design ,the relative aperture is 2.0-2.4, having improved the illuminance of flat surface; 5 adopting image space telecentric imaging method , ensures that the image surface irradiance is homogeneous.

本发明的优点是：1采用自由曲面成像方法，三片反射式Zernike多项式自由曲面形成短焦距大相对孔径大视场角成像，更好地校正像差，结构简单；2采用无透镜形式的反射式结构，消除了各种色差影响，保证成像清晰度；3采用短焦距大视场角设计，焦距8～15mm，具有100～135度的视场角，在250mm成像距离下有120倍的放大倍数，具有超薄特性；4采用大相对孔径设计，相对孔径为2.0～2.4，提高像平面上的光照度；5采用像方远心成像方法，保证像面辐照度均匀。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。