pivotal methods meaning in English

主元素法

On the basis of summarization of the simulating technology of sonar signal , the paper brings forward the mathematics models of radiate noises of ships and torpedo , and simulates in computer ; tests the correctness of some pivotal methods through the simulation , on the basis of which , system scheme being brought out ; a parallel processor with twelve sharcs , combining with parallel processing theory and topographic configuration , is used to realize the algorithm of noise simulation on the basis of research on optimum distribution of algorithm and method of embedment in real time ; at last , gui , realized with vc + + language , is used to set parameters and control the whole parallel system flexibly and conveniently
本文在综述声纳信号模拟技术的基础上，首先提出舰船和鱼雷辐射噪声的仿真数学模型，并进行了计算机仿真实现；通过计算机仿真验证了一些关键技术的正确性，并由此提出系统实时实现方案；构造了一个12个处理器的并行处理机? sharc阵列，结合并行处理理论和sharc阵列的拓扑结构研究了有关仿真算法的最优分配及其嵌入整个声纳系统的方法，实时实现了噪声模拟算法。最后，使用vc + +语言编写人机界面，灵活、方便地进行参数设置以及对整个并行处理系统进行控制。