The Calculation and Convergence Analysis of Regional Agricultural Total Factor Productivity 区域农业全要素生产率测算及其收敛分析
Furthermore, a changeable update rule was introduced to accelerate the convergence speed, a forget factor and a predefined error bound were used to enhance the robustness of the algorithm. 应用遗忘因子和学习律误差容限控制的方法来提高学习算法的鲁棒性。
Quadratic Convergence and Convergence Ratio Factor of Newton's Iteration Method Under Weak Conditions 牛顿迭代法在弱条件下的二阶收敛性和比值收敛因子
The simulation results have also shown that the robust anti-noise performance and the stable convergence precision of the proposed algorithm are remarkably higher than other congener algorithms. And it can still keep nice convergence when a larger learning factor is used and the noise is strong. 仿真实验的结果进一步表明,该算法的鲁棒抗噪性能和稳态收敛精度明显地高于其它同类方法,而且可以使用较大的学习因子,在高噪声环境下仍然保持良好的收敛性。
Oblique collision and convergence factor on the northern margin of the Qinling orogenic belt 归同(convergence);秦岭造山带北缘的斜向碰撞与汇聚因子
Based on stochastic process theory, the bounded convergence of forgetting factor least square algorithm ( FFLS for short) is studied and the upper bound of the parameter tracking error is given. 利用随机过程理论研究了遗忘因子最小二乘法(FFLS)的有界收敛性,给出了参数估计误差的上界。
The influence of acceleration convergence factor to the speed of iterative method and the distribution of electric field under the sinusoidal boundaries are discussed. 同时,讨论了加速收敛因子对超松弛迭代算法迭代速度的影响,以及具有正弦边界条件下的电场分布。
Since the powerful FFT technique and the convergence accelerating factor are used, the iterative FFT algorithm is more practical in the numerical implementation of the algorithm. 由于采用了FFT和收敛加速因子,它是一种实用的算法。
The Research of Image Technique of Convergence Factor 收敛算子成像技术的研究
The present method has good convergence and stability and furthermore, the relaxation factor has little effect on the results. 计算结果表明该二阶迎风有限体积算法有很好的收敛性和稳定性,且松弛因子对计算结果影响很小。
The convergence are obtained by redefining the scale factor and the universal constant. 在新的定义下获得了收敛结果。
Premature convergence is an important factor affecting optimization results in genetic algorithms ( GA). 早熟收敛问题是遗传算法中影响寻优效果的重要因素。
The Convergence of the Factor of Stable Hermite Polynomial Interpolation of the First Class 一类稳定切触插值多项式算子的收敛性
The new method ameliorates the process of old iterative method and add a new iterative parameter: convergence factor, which can improve the quality of reconstruction image by changing the iterative process and adjusting convergence factor. 该算法改进已有的迭代过程,加入了新的迭代参数:收敛因子,通过改变迭代进程和调整收敛因子来提高重建图像的质量。此外论文还比较了该法和同时迭代法的性能。
Convergence and smoothing factor of DGS method applied to Cauchy-Riemann problems DGS法应用于Cauchy-Riemann问题的收敛性和光滑因子
The convergence speed depends on the designed accelerating convergence factor. 收敛快慢取决于设计的加速收敛因子。
Convergence Rate of Least Squares Algorithm with Forgetting Factor 变遗忘因子最小二乘算法的收敛速度
The adiabatic mass adjustment of upper-low layer, which caused by upper tropospheric divergence bringing about lower layer convergence, is an important factor of forming the isallobaric wind. 并且高层辐散引起低层辐合,上下层质量调整是造成低层出现变压风的一个重要原因。
The convergence condition can be used to design the time-varying, convergence factor, and ensure variable step-size adaptive digital filters to be stable. 利用该权值收敛条件,可设计确保变步长自适应数字滤波器的稳定的变收敛因子。
To Propose A New Accelerative Convergence Factor 建议一个新的加速收敛因子
Firstly, a theoretical model on the basis of trade and economic development theory is built, which divides the mechanism of trade to economic convergence into factor price mechanism, factor quantity mechanism, technology spillover mechanism and human capital mechanism. 首先结合贸易理论和经济增长理论构建一个理论模型,将贸易对经济收敛的机制概括为要素价格机制、要素数量机制、技术溢出机制和人力资本机制。
By estimating the speed that the population contains optimal solution with probability 1 and the longest time that it gets convergence, we found that annealing factor will affect the convergence speed, and it may be improved by selecting a suitable annealing factor. 2. 通过估计算法种群以概率1包含最优解的速度和达到收敛的最大时间,发现退火因子会影响算法的收敛速度,通过选择合适的退火因子,可以提高算法的收敛速度。
At the same time, in order to avoid wasting of resources which comes from the randomness of the initial stages particles, and in order to speed up the convergence rate, we introduce an abandon factor. 同时,为了避免由于算法初期产生微粒的随机性而消耗资源,也为了加快收敛速度,引进了摒弃因子。
However, the performance of CMA is affected by SNR, and the convergence rate is decided by the step-size factor. 但是恒模算法的性能受信噪比的影响,而且其收敛速度由步长因子决定。
This article third chapter introduced with emphasis two methods of the accelerating convergence of continued fraction--the accelerating convergence factor and the sequence transform method, studied the error of accelerating convergence for limit periodic continued fraction and gave the erroneous expression. 本文第三章重点介绍连分式加速收敛的两种方法&加速收敛因子和序列变换方法,研究了极限周期连分式加速收敛的误差并给出误差表达式。
The results show that fish-swarm algorithm and particle swarm optimization with convergence factor can improve the efficiency, and the latter even can do nearly 70%. 实验结果表明,鱼群算法和增加收敛因子的改进粒子群算法均能提高软件的计算效率,后者更是提高了近70%。
Then we calculate the average sorting accuracy of two features to determine the characteristics of linear convergence factor. 计算两种特征各自的平均分选精度,来确定特征线性融合系数。
To avoid the PSO trapping into local optimization and accelerate the rate of convergence, this paper upgrades the PSO algorithm through integrating the Tabu Search and Simulated Annealing algorithm based on PSO algorithm, in which adopt convergence factor and index decreasing strategy of inertia weight. 为克服其可能陷入局部极值,提高收敛速度,本文在基本粒子群优化算法的基础上,结合禁忌搜索和模拟退火算法的思想对算法进行了改进,并引入了指数递减惯性权值和收敛因子。
Computer simulations indicate that both of the improved algorithms have favorable convergence speed, steady-state error and reform factor. 仿真结果表明,提出的两种时域变步长LMS自适应算法的改进算法均具有较好的收敛速度、稳态误差和改善因子。
Introduce fish-swarm algorithm and genetic algorithm as the two new algorithms. Make further improvement for the original particle swarm optimization to increase the speed, which is the convergence factor. Finally, finish the programming of each of these three improvement schemes. 引入了遗传算法和鱼群算法两种新算法,并对原有的粒子群算法作进一步改进,增加收敛因子提高收敛速度。