FPGA变间隔码预测的激光光斑采集系统设计

A FPGA Variable Interval Coding Laser Flares Processing System

为了有效衡量激光制导武器的性能,设计完成了一种基于FPGA变间隔码预测的激光光斑采集系统。通过对FPGA的编程实现CCD和激光脉冲的同步,利用减背景法和Sobel算子对激光光斑边界检测,可以得到准确的光斑数据,从而得到光斑尺寸、形心和质心参数。试验结果表明:激光光斑采集率达99%,该系统测量速度快、精度高,在实际应用中取得了较好的结果。

A laser flares processing system based on FPGA variable interval coding is presented aiming at efficiently measuring the performance of laser weapon. The system achieves the synchronization of CCD exposure and leaser pulse with FPGA-coding technology. Using the background subtraction method and Sobel boundary detection algorithm,the exact data of laser flare such as centroid and the mass center can be acquired. The results show that the sampling rate of laser flares is more than 99%. With high measuring speed and accuracy,this system has achieved ideal results in practical application.