多路水声信号抗串漏检测技术仿真  

Technology simulation study on detection of anti-cross-leakage from multi-path underwater acoustic signals

作　　者：杜召平[1] 张强 刘百峰[1] 

机构地区：[1]91388部队 [2]92854部队

出　　处：《舰船科学技术》2012年第12期121-123,共3页Ship Science and Technology

摘　　要：根据水下多目标定位系统水声通道特点和系统海上试验实际应用情况,建立系统多路合作水声信号检测处理仿真模型。仿真表明:采用FIR宽带滤波器、Notch滤波器组和瞬时频率方差序列等水声信号处理技术,能有效克服系统水声通道串漏、高斯白噪声和鱼雷寻的噪声对信号检测的影响,实现系统对多路合作水声信号的检测处理。A simulation model is established for the system to detect and process multi-path cooperative underwater acoustic signals according to the characteristic of the underwater acoustic channels for an underwater multi-target positioning system and the practical application for the system sea trial. The simulation indicates that utilizing underwater acoustic signal processing technology, such as FIR wideband filter,Notch filter group and instantaneous frequency variance sequence etc,influences on signal detection can be overcome for cross-leakage from the underwater acoustic channels of the system,Gauss white noises and torpedo homing noises. Detection and processing of multi-path cooperative underwater signals can be implemented by the system.

关 键 词：FIR滤波器 Notch滤波器 瞬时频率方差序列 通道串漏 

分 类 号：TB566[交通运输工程—水声工程]