Satellite is a convenient resource to execute blockading search method.In the case of multi-satellites executing blockade tasks, proper elevation scheme should be chose to get the best finding effect.

• 使用卫星进行封锁搜索具有特别的优势，而使用多颗成像侦察卫星时，需选择合适的侧摆方案以获得较好的发现率。