At the same time , this thesis has analyzed the programming method of parallel computing system based on network and optimized the original distributed architecture of surface vessel command and control system which is studied in this thesis according to parallelism , and provided a distributed network parallel architecture which is adapt to operational requirements of actual navy surface vessel command and control system , and discussed the feasibility and performance predominance of this kind of architecture 同时,本文还深入分析了基于网络的并行计算系统程序设计方法,对本课题所研究的舰载指控系统原有的分布式体系结构按照并行化的思想进行了优化;提出了一种适合目前海军舰载指控系统作战要求的分布式网络并行体系结构;讨论了这种体系结构的可行性和性能优势。
Recently , clusters with distributed memory are popular for parallel computing systems , and mpi is the actual standard of message passing programming . therefore , the application of clusters based on mpi to computational electromagnetics is studied in this dissertation . the methods are mom based on the integral equation method in conjunction with the preconditioning technique to speed up the iterative solution and a matrix order reducing method , namely the characteristic basis function method ( cbfm ) 目前,分布式内存的集群系统是并行计算系统的主流系统, mpi是消息传递编程实际上的标准,本文即研究了基于mpi的集群技术在计算电磁学中的应用,采用的方法主要是基于积分方程的矩量法,并结合了加速迭代的预条件技术以及一种矩阵降阶方法? ? cbf方法。
With phased array radar observing target ' s improvement of different performances of the aircraft , the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing . the digital signal processing is all the time the developing direction of radar signal processing , its main shortcoming is that the increase processing precision , and the amount of information at the same time bring on the amount processing redouble , method to solve this problem is the real - time high speed digital signal processing system . presently multi - processors parallel processing is the focus of the field of high - speed real - time processing . this paper ' s background is the high - speed real - time signal processing of phased array radar . a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented . lt has fully utilized the dsp ' s characteristic to be supported the parallel computing , and formed a mes h architecture . this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ) , and have put forward the new solution for the design and development of the high - speed real - time signal processing system . . then , analysed the subject matter faced at the same time 本文以高速实时相控阵雷达视频信号处理为背景,提出了一种由4片ad公司adsp - 21060构成的并行计算系统。它充分利用了adsp - 21060支持多处理器并行计算的特点构成了一种网格结构,并且从可测性设计、实时操作系统角度对该系统进行了设计与讨论,为高速实时信号处理系统的设计与开发提出了新的解决方案,同时分析了面临的主要问题。本文首先分析了相控阵雷达信号处理单元的特点,然后针对适合于片间并行的adsp - 21060讨论了并行计算结构,提出了一种采用四片adsp - 21060构成网格结构的信号处理平台,分析了它的工作原理。
With the development of computer and network ability , people ' s requirement for computing velocity , reliability of system and actual effect of cost must extremely stimulates the interesting in distributed parallel computing system . distributed system can be used at a lot of fields now and could be used everywhere in the future 随着计算机的迅猛发展与网络性能的不断提高,未来人们对计算速度、系统可靠性和成本实效性的要求必将极大地刺激人们对分布式并行计算系统的兴趣,分布式系统在许多领域已经得到重要的应用。