摘要
研究了一种基于瞬态信号检测的累积和序贯检测器,其检验统计量由归一化匹配滤波器输出决定,受到声纳方程估算的信噪比影响。从理论上分析了该算法的虚警和检测性能,并和归一化匹配滤波器作了比较。海试数据的验证结果表明,该算法检测性能优于归一化匹配滤波器,并且对混响有较好的抑制作用。
A sequential detector named the page test based on the detection theory of the transient signals was analyzed for active sonar detection.Its statistic was decided by the output of the normalized matched filter and turned by the SNR evaluated by the sonar equation.The theoretical false alarm performance and detection performance of the detector were discussed,which were compared with the normalized matched filter.The result of the experiment on the sea shows that the proposed detector works better than the former and is able to suppress reverberation-generated false alarms.
出处
《海军工程大学学报》
CAS
北大核心
2009年第6期80-83,89,共5页
Journal of Naval University of Engineering
关键词
累积和检验
多途
虚警性能
检测性能
page test multiple paths false alarm performance detection performance
