According to the testing requirements of TV Goniomete, a video test system with TMS320DM642 as the core framework was proposed by combining digital image processing technique, and the main circuit design was introduced in detail.According to the correlation of CCD pixels with the pixels in the digital images and the characteristics of television goniometer to capture the marked bullet, a treatment program was proposed to calculate the offset of marked bullet in the digital image.Using the proposed system, the range of data processing was reduced by locating the tracking window, and the real time quality of test system was improved.The entire system is designed based on video acquisition system with digital image processing as the core, which provides a new way for television goniometer test study.%通过分析电视测角仪的检测需求,结合数字图像处理技术,提出了以TMS320DM642为核心的视频检测系统框架,并对主要电路的设计进行了详细的介绍.根据CCD像元与数字图像中像素的对应关系,提出了在数字图像中计算弹标偏移量的处理方案,结合电视测角仪捕捉弹标信号的特点,通过追踪窗口的定位缩小了数据处理范围,提高了检测系统的实时性.整个系统以视频采集系统为基础,以数字图像处理为核心,为电视测角仪的检测研究提供了一种新的思路.
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