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雷达的抗干扰性能差和易于被发现的弱点引起了各应用部门对被动监视传感器的注意。被动传感器不能测距,但与雷达相比,它具有体积小、造价低、目标定位精度高等优点。目前,在欧洲只有一种红外监视系统,这就是萨伯公司的 IRS-700型被动式红外监视传感仪。还有一种先进的改进型系统正在瑞典军队中进行评价。这一系统应用的基本原理与原型 IRS-700相同,但它的性能却比原型大有提
Radar’s poor immunity to interference and weaknesses that can be easily spotted have drawn the attention of passive sensors to various applications. Passive sensors can not range, but compared with the radar, it has the advantages of small size, low cost, high target positioning accuracy. At present, there is only one infrared surveillance system in Europe, which is Saab’s IRS-700 passive infrared surveillance sensor. There is also an advanced and improved system being evaluated by the Swedish army. The system uses the same basic principles as the prototype IRS-700, but its performance is much better than the prototype