A Simple Ship Radiated Noise Model and Its Application in Weak Signal Detection Based on Higher Order Cumulant

被引：11
|
作者：
Peng, Chao [1 ]
Yang, Lei [1 ]
Jiang, XiaoMin [1 ]
Song, Yue [1 ]
Zou, Sha [2 ]
机构：
[1] Dongguan Univ Technol, Sch Elect Engn & Intelligent, Dongguan, Peoples R China
[2] HengNan Cty Seventh Middle Sch, Hengyang, Peoples R China
来源：
2019 NINTH INTERNATIONAL WORKSHOP ON SIGNAL DESIGN AND ITS APPLICATIONS IN COMMUNICATIONS (IWSDA) | 2019年
关键词：
Ship Radiated Noise Model; High-order cumulative slice spectrum; Weak signal detection;
D O I：
10.1109/iwsda46143.2019.8966092
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, a simple model of ship radiated noise is designed. Firstly, the characteristics of ship radiated noise are analyzed. Then, according to the characteristics of ship radiated noise, the calculation model of sound field, the line spectrum component and the continuous spectrum component of radiated noise are established respectively,Simple model has the advantages of high calculation efficiency and more practicability. At the same time, we use the simple ship radiated noise model to carry out the application of high-order cumulant in weak signal detection. Experiments and simulation results show that the simple ship radiated noise model established in this paper is in line with the characteristics of ship radiated noise, and has very good reference and application value. Simultaneously, the simulation results show that the slice spectrum of high-order cumulant has obvious advantages over the power spectrum (second-order spectrum). High-order spectrum can effectively extract the harmonic components of radiated noise, and can also be used for the detection of quadratic phase coupling.
引用
收藏
页数：5
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