查询词典 parallel

The purpose and significance of the thesis are clarified and the framework of the thesis is brought out. Chapter 2 gives an overall and systematical survey of the development of parallel processing systems. The computing model, program behavior, architecture selection and the performance of parallel processing on four classes of parallel processing systems—multi-processor, SIMD computer, pipeline computer and VLSI array processor are elaborated.

由此，本文的主要内容安排如下：第一章对自适应光学系统及其实现的意义作了简要描述，并着重评述了自适应光学系统的关键部件—波前图像处理机的研究概况，同时阐述了本文的研究目的和意义，进而给出了全文的基本结构框架。

A new design for a 3-DOF parallel manipulator has been conceived in the form of the architecture of the Cassino Parallel Manipulator [3] by using four-bar linkages in the legs and a symmetric design in order to obtain a user-friendly design and easy operation, although parallel manipulators may have complex design and nonintuitive operation.

一台3－DOF 并行操作器的一种新设计已经被以Cassino 并行操作器的建筑的形式设想 [3]为了获得一种便于用户操作的设计和容易的经营通过在腿和一种匀称的设计里使用4 间酒吧的连杆，虽然并行操作器可能有复杂的设计和nonintuitive 操作。

Based on the networked workstation cluster parallel environment of MPI, the main contents of this dissertation are as follows:(1) A networked workstation cluster parallel computing environment is set up. The basic concepts of parallel computing are described. MPI programming is presented.

本文在基于MPI集群环境下，所做工作的主要内容如下：(1)利用工作站构建了网络机群并行计算环境，阐述了并行计算的基本概念，介绍了MPI编程方法。

The so-called parallel computing can be divided into time and space parallel parallel.

所谓并行计算可分为时间上的并行和空间上的并行。

The core of this parallel algorithm is the models and algorithms of coarse-grain space parallel fast decoupled load flow and coarse-grain space parallel linearized load flow proposed in this dissertation based on the decomposition and coordination principle of large-scale networks.

该方法的核心是基于大规模电网分解协调计算原理，本文提出的粗粒度空间并行的快速解耦潮流模型及算法和直流潮流模型及算法。

In order to overcome the shortcoming of the passive power filter and parallel active power filter, a new parallel hybrid active power filter on base of the conventional parallel active power filter is proposed in this thesis.

本文针对无源滤波器和单独使用的有源滤波器的缺点，对传统的并联混合有源电力滤波器进行创新性改造，提出一种适用于大功率场合的谐波和无功综合治理的新型并联混合有源电力滤波器。

In the paper, we define the series-parallel connection model frame firstly, and analyze the application conditions and areas of the series-parallel connection model frame. Then we present index system of operational effectiveness evaluation of surface to air missile weapon system. At last apply the series-parallel connection model frame to evaluation of surface to air missile weapon system.

文中首先明确了串并联模型框架，分析了串并联模型框架的应用条件和适用范围，而后建立了地空导弹武器系统作战效能综合评价的指标体系，最后应用串并联模型框架对地空导弹武器系统效能进行评估。

In part one (chapter 2-3), two new methods and systems of optical parallel logic operation are studied. Triple-in Double-out shadow-casting logic operation system is proposed and realized for the first time. Based on this, optical full adder and 3-bit decoder array logic have been obtained. It is the first time to use coding pattern and different reading-writing model to realize BSO-PROM optical parallel logic operation where the time-order operation is avoided, so that the computing speed of optical parallel logic gate which uses this kind of spatial light modulator is increased, and it is successfully used in optical symbolic substitution .

在第一部分，对两种新的并行光学布尔逻辑运算方法及系统进行了研究：首次提出并实现了三输入、双输出铸影光学逻辑运算系统及其由此得到的光学全加器，并提出一种以此为基础的3-比特译码器阵列逻辑，首次利用图形编码和不同的读写模式实现了无时序操作的BSO-PROM光并行逻辑运算，大大提高了这种空间光调制器用作光并行逻辑门的运算速度，使之成功地用于光学符号代换之中。

To prediting the parallel execution time of the parallel program that is composed of a number of sub-tasks, each of which has identically, independent distributed random execution time, this paper presents the parallel execution time predicting method which is based on the Johnson distribution.

为解决由具有独立同分布随机执行时间的子任务组成的并行任务的执行时间预测问题，提出了基于Johnson分布的并行执行时间预测方法。

This paper puts forward a numerical model, a parallel operator splitting-up implicit iterative scheme, parallel arithmetic program, parallel arithmetic information and alternating-direction mesh subdivision.

从生产实际出发，提出数学模型，构造大规模精细并行计算的耦合算子分裂隐式迭代格式，设计了并行计算程序和并行计算的信息传递和交替方向网格剖分方法。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。