Among them weak signal target real - time examination , identify , catching and trace that has become the main study direction in the domestic and international range for photoelectrical measure equipments 其中對于弱信號目標的實時檢測、識別、捕獲和跟蹤就成為國內(nèi)外靶場跟蹤光測設(shè)備研究的主要方向。