基于 DDraw 的通用雷达余辉显示仿真

余辉仿真的逼真度和效率是制约雷达显示仿真的瓶颈,对于提升复杂战场环境下模拟训练效果具有重要意义。 文中通过探究余辉产生机理,使用 HLS(色相、饱和度、亮度)颜色空间变换技术,建立了余辉衰减算法。 设计了基于 DDraw 技术的分层余辉处理模型,满足现代雷达一次和二次信息混合显示需求;以像素点为基本单元逐点处理余辉,保证了模型的通用性。 采用 OpenMP 技术对处理效率进行提升,相对于传统方法,获得了高效、通用、逼真流畅的余辉仿真效果。

General Radar Persistence Vision Simulation Based on DDraw

The fidelity and effect of radar persistence vision simulation is the bottleneck of radar display simulation system. It is very significant for ascension training effect under the complex battlefield. Here we propose afterglow decay algorithm through exploring afterglow producing mechanism and using the HLS color space transformation technique. On this basis, the layered radar persistence vision simulation processing model is designed by using the technique of DDraw to meet the mixed display constraint of both primary information and secondary information in modern radar system. The model processes the pixel, basic unit screen, point by point to ensure the generality. The processing efficiency is improved by using OpenMP technique, besides it can achieve the effective, general, realistic presentation simulation when comparing with traditional way.