CPU/GPU协同运算技术在舰载警戒雷达实验室模拟仿真中的应用  

CPU/GPU Collaborative Computing Technology in the Application of Shipborne Alert Radar Lab Simulation

作　　者：饶世钧[1] 邢忠臣 洪俊[1] 

机构地区：[1]海军大连舰艇学院信息作战系,辽宁大连116018

出　　处：《实验室研究与探索》2017年第7期118-121,共4页Research and Exploration In Laboratory

摘　　要：针对舰载警戒雷达实验室建设雷达模拟仿真过程中模拟数据计算量大、模拟数据类型多、更新速度快及雷达回波显示难的问题,在分析雷达模拟数据处理特点的基础上,介绍了CPU/GPU协同运算技术的基本情况,提出了CPU/GPU协同运算技术在雷达模拟数据生成与回波显示方面的具体应用方法,明确了CPU/GPU协同运算基本流程与各自任务分工,建立了CPU雷达模拟仿真数据组织与生成模型,给出了GPU雷达回波渲染与显示方法,并采用向量元素的遍历查找算法完成雷达回波数据获取和雷达回波纹理数据更新。通过在通用计算机对传统CPU运算和CPU/GPU协同运算两种方法进行仿真,仿真结果证明了这一技术应用的可行性与先进性,这种技术的应用对于提高舰载警戒雷达模拟仿真效率与逼真度有着重要意义。In order to deal with the problems that large simulated data need large computing-capacity magnitude,there exist different types of data which update quickly and are difficult in radar echo display,based on analyzing the characteristics of the radar simulation data processing, the paper introduces the basic conditions of CPU/GPU collaborative computing technology,and puts forward the specific applying method of CPU/GPU collaborative computing technology in the radar simulation data generation and echo display,defines the basic workflow and the task of CPU/GPU collaborative computing,establishes the data organization and generation model of CPU radar simulation,gives out GPU radar echo shader and display methods,and uses the ergodic looking up algorithm of vector elements for radar echo data process and radar echo texture data update. Finally,through the computer simulation for the traditional CPU computing method and the CPU/GPU collaborative computing method,the feasibility and advance of this method are proved. The technology application has important significances to improve shipborne alert radar simulation efficiency and fidelity.

关 键 词：舰载警戒雷达 CPU/GPU协同运算 回波渲染 模拟仿真 数据处理 回波显示 

分 类 号：TE319[石油与天然气工程—油气田开发工程] TN959.1[电子电信—信号与信息处理]