Passive location aided with opportunity transmitter is a kind of system which employs a television or FM broadcast transmitter as the illuminator.

• 基于外辐射源的无源定位系统是以电视或调频广播的发射机作为其辐射源的,具有反侦察、抗干扰、反隐身、抗反辐射导弹的潜在优势,有良好的发展前景。