查询词典 algorithm

The "two-loop diagonalization algorithm" that can overcome the weakness of the pseudo-diagonali-zation algorithm is proposed in this paper.

并针对伪对角化方法存在的不足之处提出一种"双环优势化"方法。

The algorithm is deduced and difference equation of parameter error given by which the algorithm convergence is proved theoretically.

对该算法进行了推导，并给出了参数误差的差分方程，在理论上证明了算法的收敛性。

By analysis and comparison the algorithms, the dissertation presented an algorithm, based on the Sobel operator and frame difference method. Considering the characteristics of infrared image, the frame difference algorithm is simple and easy to be realized by hardware.

文中对多种边缘检测算子进行了分析比较，其中Sobel算子在处理该类图像时的速度与效果比较理想，且算法简单易于DSP硬件实现，所以最终采用了sobel算子。

The weight values in NLSM were adjusted automatically according to target data, which allowed the measured data with different dimensions or ranges to be treated at the same level, and thus the accuracy and stability of algorithm were improved accordingly. Derivative was replaced by the difference quotient in NLSM which further improved the algorithm speed.

非线性最小二乘法的权值根据目标数据自动调整，使得不同量纲和不同数值范围的观测数据可以在同一水平上进行，提高了计算的精度和稳定性；另一方面用差商近似代替导数加快了算法的收敛速度。

Image matching algorithm which based on directed Hausdorff distance and immune genetic algorithm consists of defining code and adaptive degree function, confirming intercross variation operator and immune operation.

部分Hausdorff 距离和免疫遗传算法相结合的图像匹配算法包括：定义编码与适应度函数、确定交叉变异算子及免疫操作。

Based on this extended directed graph, an algorithm for creating it is proposed, the time complexity analysis of the algorithm is given, and its correctness is proved.

基于这种扩充有向图，提出了一种对象范式生成算法，并给出了算法的时间复杂度分析和正确性证明。

An efficient algorithm PSOKNN is proposed to reduce the computational complexity of KNN text classification algorithm, it is based on particle swarm optimization which has random and irected global search ability to search randomly and directed within training document set.

提出了一种有效的快速k近邻分类文本分类算法，即PSOKNN算法，该算法利用粒子群优化方法的随机搜索能力在训练文档集中进行有指导的全局随机搜索。

And then all directed cutsets from the set of those directed segs were selected by analyzing connectivity of another subgraph. Theoretical analysis and experimental analysis of the algorithm showed that the improved algorithm was feasible and efficient.

算法首先利用边收缩图的概念，递归生成有向装配连接图的具有一个连通子图的一部分有向断集，接着通过判断另一个子图是否连通，从这些有向断集的集合中筛选出全部的有向割集。

On moving base, a new initial alignment algorithm for strapdown inertial navigation system is proposed. In the algorithm, two special inertial frames, the initial-time inertial frame (i0 frame) and the initial-time SINS body inertial frame (ib0 frame), are defined and are selected as calculation reference frames, then, the calculation of initial alignment direction cosine matrix is expanded into three parts:(1) the DCM between i0 frame and the navigation frame will be easily obtained via local geographical coordinates and initial alignment time;(2) attitude updating using gyro samples gets the DCM between SINS frame and ib0 frame;(3) by explaining SINS specific force equation in SINS body frame, the relation between velocity log, accelerometer measurement and gravity acceleration is established to achieve the constant DCM from ib0 frame to i0 frame.

在运载体运动情况下，提出了一种适用于捷联惯导系初始对准的新算法，该算法以惯性空间为参考基准，即建立了初始时刻惯性坐标系（i0系）和初始时刻捷联惯组惯性坐标系（ib0系）两个惯性坐标系，将初始对准姿态矩阵的实现分解为三部分：（1）通过地理位置和初始对准时间求解i0系至导航坐标系的变换矩阵；（2）使用姿态更新算法实时计算捷联惯组相对于ib0系的变换矩阵；（3）通过惯导比力方程变形，获得测速仪辅助测量、加速度计输出和重力加速度之间的关系，从中可以求解出从ib0系至i0系的常值变换矩阵。

Finally, the way of how to compile an algorithm that is programmed by MATLAB into a COM component is introduced, as well as the algorithm of interferometer direction finder.

最后，介绍了如何将MATLAB编写的算法编译成COM组件供应用软件调用的方法，并对使用的相位干涉仪测向算法进行了详细的分析研究，实现了基于COM组件的仿真模块。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。