查询词典 optimal step size

In the fourth chapter, a new simple method is proposed to obtain the proper optimal step size, basing on the property of 4DVAR technology.

在第四章中，总结了最小化过程常用的一些算法及其特点，并论述了优化步长的选取方法的重要性以及以往在该方面研究的局限性。

And a new method of calculating the optimal step size is introduced, which can sufficiently explore the observational data and improve the calculating efficiency.

推导出一种有效利用观测资料计算优化步长的新方法，提高了计算效率。

In the fifth chapter, the further derivation and demonstration of the VCA technique are made, and a new simple method to calculate the proper optimal step size in this condition is presented, which can improve the computational efficiency.

在第五章中，我们对VCA技术进行了进一步的更具一般性的推导论证，并在此基础上，推导出一种适用于该情况下的计算优化步长的公式，提高了数值计算效率，节省了计算时间。

This paper also chooses an optimal step size in the two versions of the APPA to improve the profit at each iteration.

为了使每次迭代产生的迭代点更加靠近解点，在校正步均采用了最优步长的技巧。

During the minimizing process of variational assimilation, calculation efficiencyis very important and the optimal step size greatly influences the algorithm efficiency.

在变分同化的最小化过程中，计算效率无疑是最重要的，而优化步长的计算又直接关系到算法效率的成败。

This paper discusses the analog source to quantify the optimal algorithm, and use C language implementation of the Gaussian source at different quantization levels under the uniform quantizer and the optimal non-uniform quantization step size of the numerical calculation.

文中探讨了模拟信源量化的最优算法，并用C语言实现了高斯信源在不同量化电平下均匀量化和非均匀量化的最优步长的数值计算。

AS-asign algorithm involve two LMS algorithms, the first is the estimation of the tap coefficients, and the second is the estimation of the optimal step size.

包括两个LMS算法，一个LMS算法是用平均Sign-regressor方法调整线性多用户检测器的权值系数，另一个LMS算法是通过第一个LMS算法得来的权值系数自适应地计算最佳步长。

Keywords:4DVAR; the optimal step size; multisymplectic; MM5 model and RTTOV-5 model; satellite data assimilation

中文关键词：四维变分同化；优化步长；多辛格式；MM5模式和RTTOV-5模式；卫星资料同化

The optimal step size equation is derived according to LMS algorithmic. In light of the fact that the position of the resource of working-noise changes frequently and the acoustic characteristic of coalseam varies with the proceeding of mining, the thesis models the change of response function by single delay estimation in DCT domain to raise the filtering capability.

论文在 叙述LMS算法原理基础之上推导了最佳收敛步长的求解公式，给出了DCT-LMS自适应算法；根据井下作业噪声源位置是经常变化的以及巷道声特性随开采进程而发生变化的特点，提出采用DCT域的延时估计提高井下作业噪声滤波性能。

4DVAR; the optimal step size; multisymplectic; MM5 model and RTTOV-5 model; satellite data assimilation

中文主题词：四维变分同化；优化步长；多辛格式；MM5模式和RTTOV-5模式；卫星资料同化

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％。