变速曲线外弹道参数光幕阵列测量模型与算法研究

项目名称： 变速曲线外弹道参数光幕阵列测量模型与算法研究

项目编号： No.61471289

项目类型： 面上项目

立项/批准年度： 2015

项目学科： 无线电电子学、电信技术

项目作者： 倪晋平

作者单位： 西安工业大学

项目金额： 80万元

中文摘要： 近炸引信作用距离、高射速近程反导武器、反卫星武器终点弹道试验测试中需要精确测量弹丸的速度、时空位置等参数，以上外弹道参数一直是武器测试领域尚未很好解决的技术难题之一。光幕阵列测量具有原理新颖实现成本低等优势，本课题针对光幕阵列平面几何测量模型仅限于直线弹道，无法测量抛物线弹道的缺陷，提出利用解析几何重新构建光幕阵列测量新模型，研究实现精确测量的技术解决方案，拓宽光幕阵列测量外弹道和终点弹道应用新领域。针对双N型六光幕阵列，研究平面方程测量模型与测量公式，推导曲线弹道速度与时空参数测量公式，并分析光幕阵列结构对可测性的影响，采用多个空间位置点构建光幕平面方程，研究阵列结构参数校准方法和反演算法，研究以任意角度穿过厚度呈梯形分布光幕的飞行时刻精确提取算法，扩充光幕阵列测量理论体系，突破曲线弹道参数光幕阵列测试技术瓶颈，为新型武器研制、验收和效能评估奠定必要的理论和技术基础。

中文关键词： 光幕阵列；外弹道参数；平面方程；速度与散布

英文摘要： The projectile flying parameters such as the velocity and the spatial-time location need to be accurately measured in the terminal ballistic tests of the range of a proximity fuze, the anti-missile weapons with high speed and high firing frequency, and the anti-satellite weapons. The measurement of the external ballistic parameters is still a technical problem which has not been fully solved in the field of weapons tests. The measurement method with the optical screen arrays has the advantages of novel principle and low cost, etc. The planar geometry measurement model of the optical screen arrays, however, is limited to the linear ballistic trajectory and can not be used for the parabolic ballistic trajectory. In order to solve these problems, a new optical screen arrays model based on the analytic geometry is presented and the technology solutions for accurate measurement are studied in this project. They will broaden new applied measurement fields of both the external and terminal ballistic trajectory with optical screen arrays. The new planar measurement model and formulas are studied based on the double-N type six optical screen arrays, and then the measurement formulas of the flying velocity and the time-space parameters for the curvilinear ballistic trajectory are derived. At the same time, the measurability of the optical screen arrays' structure is analyzed. The planar equations are set up by using many spatial position points. The calibration method and inversion algorithm of the optical screen arrays' structure parameters are researched. In addition, the algorithm of obtaining the precision flying time that a projectile goes through the detecting area in any angle which is a trapezoidal distribution in the thickness view is studied. As a result, the above researches expand the measurement theory of the optical screen arrays, break through the limitation of the curvilinear ballistic parameters with optical screen arrays and support a necessary theory and technology basis for the development, acceptance and performance evaluation of new weapons.

英文关键词： optical screen arrays;external ballistic parameters;planar equations;velocity and dispersion