阶数
- 网络order;Degree;rank
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其优点是可选择少量的参数,公式简单,但需要求解较大阶数的方程组和确定模型的最优结构。
Nevertheless , it requires solving system of equations with larger degree and determining the optimum structure of this model .
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消元过程中系数矩阵阶数递减,并可控制系数矩阵中非零元素的出现。
During the elimination , the degree of coefficient matrix decreases progressively and the appearance of non-zero element can be controlled .
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文中的方法对于网络的阶数n为偶数和奇数时均是有效的。
The approaches are valid both for even and odd order network .
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卡克水流现象的临界判别条件通过分析,确定自回归阶数n的阈值,实现流态化过程监控。
Flow patterns were identified by threshold of order n.
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阶数可变的成形滤波器FPGA实现
Realization of A Variable Order Shaping Filter Based on FPGA
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讨论了精细时程积分法中离散间隔τ、截断阶数M和二分阶数N的优化问题。
The optimum seeking of the truncation order M , and 2-division order N were discussed in this paper .
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采用该乘加单元我们可以实现任何阶数高速FIR滤波器。
With this multiplier adder unit , we can implement FIR filters with any orders .
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详尽地分析了信道通频带B与Fourier阶数n(展开式保留项)的关系。
The relation between the transmission bands B of a channel and the value of n in Fourier progression was analyzed in detail .
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当FIR滤波器的阶数较高时,将会对信号处理的速度产生较大的影响。
But when the order of FIR is high , the signal processing speed would be reduced .
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在此基础上,借助多相滤波结构还可进一步降低FIR滤波器阶数。
On this basis , utilizing poly phase filtering configuration , the order of filter can be further reduced .
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该传感器由两段LPG组成,两段LPG所激发的包层模阶数不同,且两段LPG的包层直径也不同。
The sensor consists of two LPG sections exciting different order cladding modes and having different cladding diameters .
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同时,对AR模型的阶数与谐波成分识别给出较为有效的经验判定方法。
And some successful empirical methods for determining the order of AR model and identifying the harmonic components are also presented .
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实验结果表明,弹状流的模型阶数n的最佳值最大,塞状流的次之,环状流的最小。
Experimental results show that ARMA model order n of slug flow is the biggest one , and that of plug flow is bigger than that of annular flow .
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与传统的LPC谱包络提取法相比,它能降低所用的阶数。
Compared with traditional LPC method , it can lower the order .
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STC格式的精度与所采用的Taylor展开式的阶数有关。
The accuracy of the STC scheme is related to the order of Taylor 's expansions .
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选择不同MCM阶数和分类阈值对数据进行训练和预测,以确保得到最好的分类效果。
Different orders of MCM and classification thresholds were explored to find the best parameters .
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不同阶数插值形式的马尔可夫内插模型,可以表示在一个DNA序列中相邻核苷酸之间的前后关系的变化。
Interpolated Markov Model ( IMM ), which combines several Markov models with different orders , can capture variable context dependencies between nearby nucleotides depending on the local composition of DNA sequence .
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未知调制阶数的MPSK信号信噪比估计算法
SNR Estimation Algorithm for MPSK Signals With Unknown Modulation Orders
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该方法只要输入B样条闭曲线的阶数和有序数据点就可以得到一条满足预期的形状的B样条闭曲线。
With this approach , a B-spline closed curve satisfying the desired shape fidelity can be generated as long as a set of ordered points and the order of B-spline closed curve are inputed .
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对两个图G1和G2其中G1的每个连通分支都是非平凡的,且G2的阶数大于等于3,那么G1和G2的字典积G1[G2]有非零3-流。
For a graph G_1 composed of nontrivial components and a graph G_2 of order at least 3 , the lexicographic product of G_1 and G_2 admits a nowhere-zero 3-flow .
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提出了一种新的FIR滤波器快速算法,显著降低了实时信号处理中的长阶数FIR滤波器的运算量。
A novel fast algorithm for FIR filter is presented , the large computational volume of FIR filter with many taps is lowered down .
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从OFDM系统子载波正交性要求出发,讨论了数字成形滤波器阶数有限效应。
In view of orthogonality between subcarriers of OFDM system , effect of the finite order of digit shaping filter is discussed in this paper .
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本文介绍了GMM模型的概念、模型参数的估计以及GMM的识别算法,并通过实验研究分析了GMM模型的阶数对识别性能的影响。
This paper introduces the concept , the parameter estimates and the recognition algorithm of GMM model .
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EI代数的阶数
Orders of the EI algebra
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基于LMI方法,考虑了离散对象的阶数不超过广义对象阶的降阶H∞控制器存在性问题。
The existence of reduced-order H ∞ controllers with order not greater than that of generalized plants was studied , based on LMI for discrete-time plants .
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对于同一近似阶数的角积分方案,FN角积分方案的计算精度高于SN角积分方案;
For the same approximation order of angular quadrature scheme , the accuracy of FN is higher than that of SN .
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IIR滤波器可以用较少的阶数获得很高的频率选择特性;
The infinite impulse response filter can get very good frequency character of choice with a little of number .
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T.Hedetniemi的下列猜想的一个新证明:当图G的团图为2-分图时,G的最小团的阶数不大于G的可达划分数;
If the clique graph of a graph G is a bipartite graph , then the order of the smallest clique of G is less than or equal to the domatic number of G.
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针对FIR滤波器阶数过高之不足,提出了航空重力测量数据的FIR级联滤波法,即两步滤波法。
Aiming to reduce the length of the FIR filter , a technique involved in a cascaded FIR filter is suggested to filter the raw airborne gravity .
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使用了Alter公司的FPGA芯片-EP1K50QC208-3,阶数和位数以及滤波器特性均可方便改变。
Adopting FPGA chip & EP1K50QC208-3 which is designed by Alter Company , both of the numbers of tap and bit and the filter characteristics can be changed easily .