水面舰船识别判读是海军航空侦察工作的重要内容。文章论述了基本遗传算法（SGA）的原理、特点和运算步骤，并将该算法引入对水面舰船的识别。实验结果证明了该方法的科学性和实用性。

Surface ship recognition is an important contents of navy's aviation probe. This text discussed the principle, characteristics and calculating step of SGA, and applied this calculating way to surface ship recognition. The experiment results proved the scientificalness and the practical applicability of that methoded.