在算法上

In this thesis,we discuss and summarize basal elements and main arithmetics in fingerprint identification at the present time.

摘 要：本文研究并总结了指纹识别的基本原理及目前主要的指纹识别的算法，描述了在空间域和频率域的图像增强技术，分析和讨论了空间域和频率域方法在指纹上的应用。

Now, the increase of complication in structure and fast-breaking of SOC design method make some arithmetic easy to realization in hardware.

由于ASIC的集成度越来越高，以及片上系统设计方法的迅速发展，使得许多以前无法在硬件上实现的算法现在很容易实现。

Compared with results of two methods, GA method is much better than the 'isotropy' method .

本文通过对层合板热膨胀系数的研究和设计，指出了过去常用的零膨胀系数的工程设计方法在精度上的不足，应用遗传算法进行优化设计的层合板更加接近真正意义上的零膨胀。

It is difficult to develop a packet classification algorithm that is efficient in both space and time.

设计一种在时间上和空间上都很好的包分类算法非常困难。

Finally, the algorithm is introduced to polyline by application software on pocket PC.

本算法已在掌上电脑上以程序实现，最后给出应用软件计算操作实例。

In spatial domain, we use the watershed algorithm to find out the characteristics of the spatial domain.

在空间上我们利用分水岭演算法，将空间上的特徵资讯找出来。

According to the feature that the advantages and disadvantages of the three methods are supplementary to each other, a new method called"Synthetic Direct Method"has been proposed for fast direct transient stability analysis, which compositely uses the advantages of three methods and is fault tolerant and with higher accuracy and reliability.

本文重点对此进行了深入研究，主要工作如下：对常用三种直接暂稳分析算法，即：相关不稳定平衡点法、势能边界面法、扩展等面积准则法，从计算假定、计算精度、计算速度及可信度等多方面，在理论上及实际计算上进行了大量的研究和比较，分析了大误差发生的原因，并对方法作了改进和完善。

Aiming at the characteristics of scheduling tasks on CMP chip multiprocessor , a genetic algorithm baaed on tri-dimensional coding method is put forward .

针对在片上多处理器上任务调度的特征，提出了一种基于立体编码的遗传算法。

It is hard to track targets with high speed and high maneuvering both in theory and practice.

高速高机动目标的被动定位跟踪在理论上和实践上均有较高的技术难度，传统的定位算法难以同时满足定位精度和实时性的要求。

Finally,carried out the stopped search procedure in the polyhedrons on the slices.

该算法通过目标函数超平面截线性规划松弛问题的有效约束锥而形成一个单纯形；然后，引入一串平行片来切割该单纯形产生更低维的凸多面体；最后，在片上的这些凸多面体上执行阻止搜寻程序。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。