自从中国海军170、171号防空型驱逐舰(以下简称“新驱”)图片被外界曝光以来,该型军舰,特别是其装备的以相控阵雷达为基础的新型防空系统就成为众人关注的焦点。有关其防空系统性能的分析文章也能经常看到,同时也存在颇多争议,例如该舰采用的是有源相控阵雷达还是无源相控阵雷? Since the picture of the Chinese Navy’s Air Defense Destroyers 170 and 171 (hereinafter referred to as the “new drive”) has been exposed by the outside world, this type of warship, and especially its new type of air defense system based on phased array radar, has become the focus of attention . Analytical articles on the performance of their air defense systems can often be seen, but there are also many controversies, such as the ship is active phased array radar or passive phased array lightning?