第二章:水下目标跟踪 ................................................................................................22 2.1 声纳系统基本原理 ......................................................................................................22 2.1.1 传输损耗 ................................................................................................................23 2.1.1.1 声速剖面(SVP) ......................................................................................24 2.1.1.2 声音传播路径 ................................................................................................25 2.2 反潜战目标的声源 ......................................................................................................32 2.3 声纳浮标设备 .............................................................................................................34 2.4 被动声纳浮标 .............................................................................................................35 2.5 DIFAR 声纳浮标 .............................................................................................................37 2.5.1.1 系统操作 .............................................................................................................37 2.5.1.2 信号处理技术及其局限性 .............................................................................39 频谱分析 ................................................................................................................40 2.6研究进展与现状................................................................................48 2.6.1 目标检测......................................................
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