查询词典 parallel algorithm

In this paper, some basic CFD problems are studied, including ENO/WENO schemes, CFD systematic analysis, object-oriented programming method and zone divided parallel algorithm. These methods enriched and advanced the CFD algorithms, and then these algorithms were applied in numerical applications of the scarfed reversal nozzle and the open cavity. This promotes the speed of the CFD algorithm combine with the project applications.

本文通过对ENO／WENO格式、CFD计算系统分析、面向对象的程序设计方法以及分区并行计算等一些基本问题的研究，进一步丰富和发展了CFD的分析方法，并将所研究的CFD技术应用于斜切反喷管和空腔流动的计算分析中，推动了CFD技术进步同工程应用的紧密结合。

In Chapter 2 the foundamental principle of GAs is introduced and the mathematic background of GAs is discussed. Then, a genetic algorithm based on non-Abel group theory and a parallel genetic algorithm based on supercube computer system are proposed.

遗传算法广泛地应用于函数优化和组合函数优化问题，然而如何改善其性能，提高收敛效率，仍然是当今遗传算法研究界的重要课题。

TRI P+P algorithm also uses improved parallel star algorithm for the tristate elements to reduce unnecessary fault simulation events.

另外，为了提高故障模拟器的效率，在TRI P+P算法中还引入了改进的并行星算法应用于三态元件。

In Chapter 2,encoder structure,decoder structure and interleaver of parallel concatenated Convolutional code and serially concatenated Convolutional code are studied. Symbol-wise SISO algorithm and bit-wise SISO algorithm are given.

在第二章中，系统分析了并行级联卷积编码和串行级联卷积编码的编码结构、交织器的类型、译码结构以及基于符号和基于比特的SISO算法。

C Introducing immunity theory into parallel genetic algorithm has double functions. One is that immune selector proposed in this dissertation can prevent algorithm from premature effectively.

引入免疫功能具有双重作用，一是由本文给出的免疫选择操作可有效防止早熟，二是通过基于免疫记忆的子群体信息交换策略可加速收敛；d。

The pseudo parallel genetic algorithm is applied to the optimization of PID controller's parameters.It overcomes the premature phenomenon that often appears in the general genetic algorithm in some extent and the convergence speed is improved.

在对PID控制器参数优化中引入了伪并行遗传算法，在一定程度上克服了常规遗传算法容易产生的&早熟&现象，收敛速度也进一步提高。

Put forward an algorithm called PPSCRIPT (Parallel Pseudo Sequential Critical Path Tracing) for sequential circuit fault simulation, and implemented the algorithm in C language to improve the efficiency of sequential circuit fault simulation.

在时序电路的故障模拟方面作者提出了并行时序电路伪临界路径跟踪算法PPSCRIPT，并用C语言编程实现了该算法，使时序电路的故障模拟效率提高，时序电路的故障模拟是测试中期的问题。

Adaptive α-β filter algorithm was introduced, and then it was compared to ISR filter algorithm and Kalman filter algorithm, the mean square deviation of distance, position, speed and direction of these algorithms on the flight line was analyzed to discuss the specific use of the three filters in straight-line flight and about-ship straight-line flight.

介绍了一种改进的α-β滤波算法，然后将它和最小二乘滤波算法、卡尔曼滤波算法进行比较，对三种算法跟踪空中目标的直线飞行、改变航向的直线飞行两种情况的距离、方位、速度和航向等参数的均方差加以分析，证明了改进的。

Firstly, after the analysis on probability distribution of GenCos' bidding results, a concept of bid acceptance probability distribution function of GenCos is proposed; then based on the features of bidding structure in day-ahead and real-time markets, a multi-objective bi-level programming bidding strategy model in day-ahead and real-time markets for GenCos is built for electricity markets in which the step-wise bidding function and pay-as-bid settlement protocols are utilized; and then in order to solve the proposed model an algorithm based on Monte Carlo method and genetic algorithm is designed; finally, the simulation of numerical examples are performed to verify the correctness of the proposed model and algorithm.

首先在分析了发电商竞价结果的概率分布之后，提出了发电商竞价成功概率分布函数的概念。然后基于日前和实时市场中投标结构的特点，针对采用分段报价和按报价结算(pay as bid price，PAB)方式的电力市场，建立了日前和实时市场中发电商的多目标二层规划竞价策略模型，并设计了以蒙特卡罗方法和遗传算法为基础的求解算法。最后采用算例对所提出的模型和算法进行了仿真验证。

According to the latest research in priority and deficiency of evolution algorithm and the influence of biologic immunity, a new algorithm-immunity algorithm is advanced.

在研究现有进化算法的优越性与存在不足的基础上，受生物免疫原理的启发，提出了一种新的算法--免疫算法。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。