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polynomial相关的网络例句

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Simulation results show that the method can detect the period of DS spread spectrum signal and produce the primitive polynomial of the spread spectrum code sequence under the conditions that the length of receiving signal is small than one spread spectrum period.

仿真结果表明该方法能够在接收信号长度小于一个扩频码周期的情况下检测出直接序列扩频信号的扩频码周期和产生扩频码序列的本原多项式。

And the self-shrinking generator is a typical model of the clock-conctolled During the past ten years or more, some researches have been done on the period and linear complexity of the self-shrinking sequence obtained from an m-sequence which is generated by a primitive polynomial f over GF(2), degree=n , in the related academies.

近十余年,国际上已对由n级m-序列导出的自收缩序列的周期和线性复杂度做了研究,给出周期的上下界,其中所给的下界为2~([n/2]),由此也给出了线性复杂度的下界为2~([n/2]-1)+1。

The absolute position encoding sequence is generated by primitive polynomial n, and its length is determined by the number of absolute positions of rail track. The method for shortening m sequence is introduced.

结合封闭曲线线路的特点,线路上的二值标记按照m序列布置,绝对位置编码序列由n次本原多项式生成。

Using the estimates of character sums over Galois rings and the trace de scription of primitive sequences over Zpe, we obtain an estimate for the frequency of the occurrences of any element in Zpe in one period of a primitive sequence, which is better than Kuzmin's results[1] if n > 4e, where n is the degree of the generating polynomial of the primitive sequence.

范淑琴 ,韩文报文研究了Zpe上本原序列的元素分布。利用Ga,lois环上的指数和估计和本原序列的迹表示,得到了Zpe中各元素在本原序列的一个周期中出现频率的一个估计。当n>4e时(n为本原序列生成多项式的次数)。我们的估计优于Kuzmin的结果[1]。

The primitive polynomial of 3-12 pseudo-random sequence generator is obtained after the deductions. The better nonlinear feedback function of all states pseudo-random sequence generator can be picked out according to the characteristic of pseudo- random sequence signal, then using all states of shifting counter through modifying the linear shift register feedback network to realize the all states pseudo-random sequence signal.

经过推导可以得到3-12 bit伪随机序列发生器的本原多项式,再根据伪随机序列信号的特性选择出较好的全状态伪随机序列发生器的非线性反馈函数,即通过修改线性移位寄存器的反馈网络将移位型计数器的全部状态加以利用,实现全状态伪随机序列信号。

On the basis of pollen analysis of surface sample in North China, polynomial function analysis method was applied to establish pollen climate response surface of Pinus, Betula, Quercus, Artemisia, Chenopodiaceae, Compositae, Picea, Ephedra, Gramineae in North China, therefore an easy and applicable method for reconstructing palaeoclimate and palaeoenvironment with data of fossil pollen was founded; Multi-analysis method was applied to analyse the principal elements of surface sample pollen in central Inner Mongolia Steppe, the assemblages of surface sample pollen in steppe area and its relationship with vegetation type were discussed with helps from spore-pollen analysis of a peat section in Chasuqi, Inner Mongolia and 〓C chronometer, fossil pollen data were obtained with high resolution on the peat section in Chasuqi. Vegetation succession and environmental changes since Holocene at resolution of 70 years were primarily reconstructed in south Mount Daqingshan and Plain Tumete. The changes in the area were copmared with those in the neighbouring areas during the same period. It was found that Holocene environmental change had undergone the following stages: cold-arid, temperate-wet, warm-wet, temperate-arid and cold-arid, and the climatical optimum period occurred in 5000-4100 aB.

本文在对中国北方表土花粉研究的基础上,采用多项式函数回归方法建造了中国北方松属、桦属、栎属、蒿属、藜科、菊科、云杉属、麻黄属、禾本科等的花粉——气候趋势面,从而为利用化石花粉资料直接恢复古气候、古环境提供了一种方便易行的方法;采用多元分析方法对内蒙古中部草原区表土花粉进行了主成分分析,探讨了草原区表土花粉组合的规律及与植被类型的关系;本文还应用孢粉分析方法,结合〓C测年技术,通过内蒙古中部察素齐泥炭剖面高分辨率的化石花粉数据,初步恢复了大青山山地南部及土默特平原地区分辨率为70年的全新世以来植被演替和环境变迁的状况,并与邻近地区的全新世古气候、古环境进行了对比研究,研究发现,本区域全新世古环境的变迁序列基本上可以与周围地区及华北地区进行对比,其环境变迁经历了凉干~温湿~暖湿~温干~凉干的变化,且气候最适宜期出现在5000~4100aB.P。

An iterative reasoning algorithm with time delay of CD is proposed in this paper to resolve time delay of complex system. It is an effective approximating reasoning algorithm for its polynomial time complexity. It realizes dynamic reasoning of causality diagram through multiplication of linkage strength matrix and probability vector when the CD has time delay.

本文针对复杂系统的时间延迟性提出了带时间延迟的因果图迭代推理算法,该算法可以在多项式时间复杂度内完成,是一种有效的近似推理算法。

Together with some basic knowledge of Linear Algebra, we prove that there exists a polynomial time algorithm for finding the shortest contractible cycle in an locally LEW-embedded graph. 3. By some results of Minor Theorem, we prove the crossing numbers of some circular graphs C(10,4), C(9,3), C(8,3) on the projective plane.

利用C.Thomassen在大边宽嵌入方面的工作,得到了局部大边宽嵌入图的一些性质,再利用线性代数的知识,证明了在局部大边宽条件下存在多项式时间算法可以找到一个图的最短可收缩圈。

In this paper the extrapolation object is the shorten polynomial but not the original signal itself. This algorithm is much easier than prolate spherical wave function expansion method.

本文采用外推截断多项式的方法对HRV信号进行外推,避免了采用长球函数外推信号运算量大的缺点,可以提高运算速度。

In the following two cases:(1)gcd=1;(2) N=p〓, where p denotes the characteristic of the finite field GF, by using the factorization of the polynomial in finite field, the counting function N〓 is showed, the expected value of the linear complexity E〓 is determined, and a useful lower bound on the expected value of the k-error linear complexity E〓 is established.(7) The stability of the lattice structure for pseudorandom number sequences is put forward.

利用多项式的因式分解等简单工具,研究了任意有限域GF上,周期N与p互素以及N =P〓这两种情况下,计数函数N〓,的值,即线性复杂皮为c的N-周期序列的个数,并给出了线性复杂度的数学期望E〓的值以及k-错线性复杂度的数学期望E〓的一个有用的下界,这里p表示有限域GF的特征。

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

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

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我比喻得过头了。