The maximum likelihood estimation of such model is discussed,and an approximate solution is obtained with the steepest descent method.
文中讨论了这类模型参数的极大似然估计 ,并采用最陡下降法来求其近似解 ,模拟试验证实此算法是有效
According to this, the formula of the position and amplitude of highlight on smooth and rigid surface, where the monostatic and bistatic sonar in free field, is deduced by use of the steepest descent method.
在此基础上,利用最陡下降法推导出自由空间中光滑刚性表面在收发分(合)置时亮点位置和亮点幅值计算式。
At first, the hidden node parameters of RBF are obtained by the classical clustering method; then those parameters are studied again by the method of steepest descent.
在用传统聚类方法得到初步的RBF隐节点参数之后,提出再用最陡下降法进行误差反传学习,进一步校正隐节点参数。
The thermal equation and wave equation are solved by the methods of Hankel transform and steepest descent, and the general expression of displacement is obtained.
在二维情况下 ,忽略热扩散效应 ,利用汉克尔积分变换法和最陡下降法 ,求解热扩散方程和波动方程 ,得出了位移的解析表达式 。
In this paper, the cumulative stabilization constants 0f Cd-HA (Humic Acid) inthe alkali media have been studied and calculated using anode stripping voltammetry method(ASV) cornbined with GD-SA algorithm in artificial neural network(ANN)- The molecularweight of humic acid originated from coal was determined by ASV method and its averagevalue is 995.
采用阳极溶出伏安法结合人工神经网络法中的最陡下降-模拟退火算法，研究了在碱性介质中镉与天然水环境中的有机物质腐殖酸（HA）的配合物，用ASV法测定了来源于煤炭腐殖酸的富里酸分子量平均值为995。
A New LMS Algorithm of Adaptive Filters--Modified Steepest Descent Method;
自适应滤波器的一种新LMS算法——改进的最陡下降法
To descend from a steep height by this method.
绕绳下降用这种方法从陡峭的高处下来
The Modified Steepest Descent Method──Best Point in Steepest Descent method
改进的最速下降法─最好点最速下降法
Study on A New Lightning-proof Method basing on the Limiting Maximum Steepness of the Lightning Current
基于降低雷电流最大陡度线路防雷新方法的研究
The land falls off here towards the river.
这里的地势朝河的方向陡降下去。
the houses were swept away in the torrent.
暴雨沿陡坡下降形成急流。
The Meathod of the Steepest Ascent and the Determination of Optimal Technical Operating Parameters
最陡坡法与最佳工艺操作参数的确定
A steep downward slope.
陡斜向下倾斜的陡坡
Bézier curve fitting based on genetic algorithm and steepest descent algorithm
基于遗传算法和最速下降法的Bézier曲线拟合
THE CONDITIONS OF START-UP MECHANISM OF THE HIGH AND STEEP ACCUMULATIONS IN THE HEAVY RAINFALL AROUND THE SOFT ROCK AREAS
软岩地区高陡斜坡堆积体在强降雨条件下的起动机制研究
Forecast of the Maximum Water Inflow in Mine Pits by Rise-Fall Ratio Method Under a Steady Environment
深降比法预测稳态环境下矿坑最大涌水量
CONVERGENCE THEOREMS OF THE STEEPEST DESCENT METHOD FOR GENERALIZEDΦ-ACCRETIVE OPERATORS
关于广义Φ-增生算子的最速下降法的收敛定理
Prices have reached rock-bottom.
物价已下降到最低点.
Production has been lagging behind recently.
最近,生产一直在下降。
Rushing or falling headlong.
陡斜地冲下或落下的
The best way to preent ision loss from glaucoma is early diagnosis and treatment.
预防青光眼造成视力下降的最有效方法是早诊断早治疗。
The path search using Steepest Descent Approach, the cross country path planning about fuzzy environment for an autonomous land vehicle is implemented.
最后用最速下降法进行路径搜索，实现了自主车在模糊环境下的越野路径规划。
Study on Mechanical Behaviour of Rock Mass on High-Steep Slope Under Load and Determination of Bridge Foundation Position
荷载作用下高陡边坡岩体力学行为及桥基位置确定方法研究