查询词典 algorithm

We compare the performance of the fast algorithm with that of original step algorithm and conclude that the run speed of the former is quicken obviously and it overcomes the forenamed disadvantage of original step algorithm.

此快速算法与原有步进式算法相比较，运算速度明显加快，并克服了步进式算法运行时间起伏波动大的缺点。

Fast Fourior Transform plays an important roll in digital signal processing,its the kernel algorithm in a lot of process for signal processing.this paper first summarizes many algorithm for Fast Fourior Transform that in common use and synthesizes many reasons to adopt the radix-2 Demation-in-Frequency algorithm,then it compares two ways of implementing digital signal processing,the two ways are in field-programmable gata array and in programmable digital signal processor respectively.it points out the advantage and disadvantage of two ways.

快速傅立叶变换是数字信号处理中的重要内容之一，是很多信号处理过程中的核心算法。本文先总结了快速傅立叶变换的一些常用算法，并综合种种因素，采用了基2按频率抽取算法作为实现算法，然后将以现场可编程门阵列和以DSP处理器这两种实现数字信号处理的方式进行了比较，指出了各自的优点和不足之处。

A simple artificial immune network algorithm, suitable for clustering problems with a small quantity of samples, is obtained by using the idiotype immune network. Further, a fuzzy immune network classification algorithm applied to sample classification learning is proposed by uniting the algorithm and fuzzy logical rules.

其次，利用抗原群及抗体群的作用关系，结合免疫记忆细胞的记忆功能，并借助于克隆选择原理、免疫网络的调节机制及约束条件处理方法，设计约束多目标优化免疫算法处理约束多目标优化问题，收敛性论证、性能测试、比较及实际应用表明此算法是有效的。

Based on the clonal selection algorithm, with the combination of the dynamic adjustment idea between antibodies of the idiotypic immune network theory, a new immune algorithm, the clonal selection adjustment algorithm, is proposed and applied to the design of IIR digital filter.

在克隆选择算法的基础上，结合独特型免疫网络理论中抗体间的自适应动态调节思想，提出一种新的免疫算法―克隆选择调节算法，并用于IIR数字滤波器的设计。

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。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样