最优法

Taking range as the performance function, considering end velocity, height and trajectory slope angle constraints, the optimal glide trajectory was solved by maximum principle of Pontryagin and conjugate-gradient method.

建立了滑翔弹道模型，以射程为指标函数，考虑终端速度、高度和弹道倾角约束，采用庞特里亚金极大值原理和共轭梯度法求出控制变量有约束的最优滑翔弹道，简要分析了滑翔增程机理。

This OCVC problem was converted to a typical two-point boundary-value problem according to Pontryagin maximum value principle, and this TPBVP was a first order optimality condition which could be solved by Radau collocation method.

根据Pontryagin极大值原理建立该协调电压控制问题的1阶最优性条件，该条件是一个典型的两点边值问题。在此基础上采用拉道排列法求解这个两点边值问题。

In this article, a new analytical method for determination of the content of active manganese dioxide left in waste Zn-Mn battery was proposed by iodimetry combined with potential titration. The influence of reaction time, temperature and the quantity of potassium iodide were investigated.

本文提出结合电位滴定技术用碘量法测定废旧锌锰干电池锰粉中剩余活性二氧化锰含量的新方法，对方法中反应时间、温度、碘化钾用量等影响因素进行试验，确定了最优实验条件。

This algorithm designs two kinds of patterns,one being diamond and the other hexagon,which are composed of the prejudgment of zero motion vector and the prediction of initial search point.

寻找简便、快速和高效的运动估计算法一直是视频编码领域的热点。钻石搜索法[1]简单高效，是现有性能最优的快速运动估计算法之一。

A simple and highly sensitive new kinetic catalytic fluorimetric method was proposed for the determination of trace chromium,based on the catalytic effect of trace amounts of chromium on the oxidation of Pyronine Y by hydrogen peroxide in acetic acid-sodium acetate buffer medium leading to a decrease in the fluorescence intensity.

在HAc-NaAc缓冲体系中，痕量铬对过氧化氢氧化吡咯红 Y的氧化还原反应有催化作用，使吡咯红 Y荧光减弱，据此建立了催化荧光法测定痕量铬的新方法，同时考察了该催化反应的最优条件及动力学性质。

With queuing theory, the problem of the organization of the earthwork construction is solved in the Violet Gold Garden project with reverse construction method and the curves on efficiency and cost are given to make the machine disposition optimized economically.

结合天津市紫金花园工程"逆筑法"土方工程施工组织，运用排队理论解决土方挖运的施工组织问题，并得出在一定施工组织下土方开挖的效率和成本曲线，保证日出土量与机械配置在经济上达到最优。

The core of optimized DFD strategy is coefficient matrix which is calculated by complex- shape method in optimization theory.

使用约束优化方法中的复合形法计算得到系数矩阵，作为最优驱动力分配控制策略的核心。

Assuming the independence (or the weak-correlation) between the reflectivity and wavelet, the optimal estimation equations for the wavelet and reflectivity were derived respectively. Furthermore, pre-conditional conjugate gradient algorithm iteration inversion was applied to realize the simultaneous estimation of reflectivity and wavelet.

基于反射系数与子波相互独立的假设，分别构建了反射系数和子波最优估计方程，并采用预条件共轭梯度法迭代反演实现反射系数和子波的同时估计。

The relationship between relative yield and relative water use is formulated,based on these data, a optimal irrigation scheduling under sprinkling irrigation condition can be made or the lower level of soil moisture in different growing stage might be teken as the indicator for the scheduling irrifgation in winter wheat.

喷灌条件下土壤水分、硝态氮空间变异特征研究：应用地统计学理论，以半方差函数为工具分析不同灌溉制度下，土壤含水率(0～60cm)和土壤中硝态氮在相应深度的空间分布，用各类模型拟合半方差图，在此基础上应用普通克立格技术估算未知点的土壤含水率，使用最优内插值法绘制土壤含水率和硝态氮在田间的空间分布等值线图。

On the basis of the Lyapunov stabilty theorem, the calculating method of the optimum coordinating gain on-line is put forward, which makes the algorithm stable and quick in convergence. Simulation results show that the method is effective.

根据Lyapunov稳定性定理，给出了MTS法稳定收敛的最优协调增益K的在线计算方法，大大加快了算法的收敛速度，以甲醇制甲醛生产优化控制为例，仿真结果表明，该方法是有效的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。