查询词典 algorithm theory

Firstly, by means of the algorithm, a model of tourism route analysing was built after taking some hypotheses and predigestion, secondly, a indirected graph for tourism route analysing was generated via the information about travel industry sites, information about roads and finally this algorithm was investigated by adopting the motheds of giving all conditions and Dijkstra algorithm.

该算法通过一定的假设和简化建立旅游路线分析模型，利用旅游景点信息和公路信息生成旅游路线分析无向加权连通图。

Using this method, when new rule being added, we need not use all un-reduced rules to simplify decision algorithm, only the rules which are rule complete with respect to an indiscernibility class are simplified; using this reduced decision algorithm in the Knowledge Represent System in which the decision algorithm is not complete, the decision with unknown correctness will not arise.

使用这种方法，当新规则加入时，不必将所有的规则都重新约简，只要约简相对于某一不可分辨类规则完备的规则；在不完备的知识表达系统中使用约简的规则，也不会出现误判的情况。

Data pre-processing technologies such as singular points elimination, registration and radius compensation are studied. Base on chord high difference algorithm, a new one called chord high difference-ratio algorithm is proposed to improve veracity and robusticity of singular points elimination. Then, a registration algorithm based on local surface reconstruction is proposed, which avoids infaust influence coming from single reference point error.

在弦高差法的基础上，提出了全新的弦高差—比法，提高了异常点剔除的准确性和柔韧性；提出了一种基于局部图形重构的重定位方法，该方法通过对特征球的最小二乘拟合，消除了单一参考点的精度对重定位的影响；在此基础上对重定位的误差进行了详细的分析，给出了精确的误差值，从数学的角度保证了重定位的精度；在三角网格法的基础上提出了基于Delaunay三角剖分的半径补偿新方法，有效改善了补偿矢量的计算效率和准确性。

This paper presents a new method of digital image sharing.Firstly,construct a reversible matrix,decompose a secret image into several scrambling and encryption images at one time by matrix operation,then camouflage them into several megascopic and meaningful carrier images to store or transfer.This algorithm combines the scrambling technique,encryption technique,information hiding and sharing technique,but with much simpler algorithm,less computation time,smaller pixel expansion,better recovery effect.The results show that the algorithm has application value in the field of secret image storage and transmission.

提出一种数字图像分存方法，首先构造可逆矩阵，并通过矩阵运算直接将秘密图像分解成几幅等大小的置乱加密图像，然后分别将它们伪装在几幅经过放大且有意义的载体图像中，实现了图像分存，文中将置乱加密、信息隐藏、分存技术三者有机结合，整个算法实现简单，运算量小，数据膨胀率低，安全性高，秘图恢复效果较好，大量实验也验证了算法的有效性。

The algorithm takes advantage of characteristic of Alopex algorithm and the mutative interval chaoticoptimization algorithm.

利用改进的Alopex算法和变区间混沌优化算法的各自优点，提出了混合优化算法。

A new algorithm for digital audio watermarking is proposed in this paper. This algorithm bases on the wavelet transform. By using this algorithm, the watermarked speech signal sounds the same as the original one. The tiny difference is neglectable by human ear.

主要研究了在数字语音信号中加入数字水印的方法，提出了一种基于小波变换的数字水印隐藏与检测算法，用这种算法隐藏水印具有很强的隐蔽性，对原始语音的影响基本上察觉不出来。

A new heuristic solution algorithm is presented using an improved genetic algorithm. In the improved genetic algorithm, nondifferentiable exact penalty functions are used to transform a constrained optimization problem into a single unconstrained optimization problem, and hybrid crossovers and intermittent are applied to increase the search capability.

设计了基于改进遗传算法的启发式求解算法，该算法借助不可微精确罚函数将约束问题转化为单个无约束问题来解决，采用混合杂交和间歇变异提高算法的搜索能力。

The results show that the learning algorithm of FNN based on PSO is superior to the BP algorithm observably. The PSO algorithm has a good application in neural networks.

研究表明，PSO算法在前向神经网络权值的学习算法中其所有的性能指标均优于传统的BP算法，PSO算法在神经网络的应用中具有广阔的前景。

By use of Overcomplete Representation method of the data, we get a completely new kind of BSS algorithm---Overcomplete BSS algorithm. The biggest advantage of this new algorithm is that it can still do blind separating works when there are more sources than mixtures!

利用数据的超完全表示方法，我们得到了一种全新的盲信源分离算法，其最大的特点就是当源信号的个数大于观测到的混合信号的个数的时候，该算法仍然能够完成盲分离工作，从而将盲信源分离技术的实用性大大提高了。

The proposed algorithm had the following characteristic: firstly, for various different cross traffic burstiness and load, the algorithm could dynamically tune the length of the probing packet train; secondly, it improved the method of adjusting the rate of the probing packet train, not only it remained the benefit of the fast converge, but also it was more suitable for the burst cross traffic situations; thirdly, improved the algorithm of detecting the OWD trend.

它具有以下几个特点：针对背景流量突发性和负载状况，自适应地动态调整探测包串的长度；改进了探测包串发送速率的调节方法，既保证了算法快速收敛的特点，又更能适用于背景流量突发的情况，提高了实时带宽测量的精确度；改进了判断单向延时趋势的算法。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。