海军航空工程学院学报
海軍航空工程學院學報
해군항공공정학원학보
JOURNAL OF NAVAL AERONAUTICAL ENGINEERING INSTITUTE
2013年
1期
21-24
,共4页
自适应滤波器%潜艇辐射噪声%连续谱%线谱%调制谱
自適應濾波器%潛艇輻射譟聲%連續譜%線譜%調製譜
자괄응려파기%잠정복사조성%련속보%선보%조제보
adaptive filter%submarine radiation noise%continuous spectrum%line spectrum%modulation spectrum
文章提出了一种基于自适应滤波器的潜艇辐射噪声仿真方法.在对潜艇辐射噪声连续谱、线谱和调制谱的数学模型进行研究的基础上,利用Ecs型功率谱模型,基于自适应滤波器,通过傅里叶反变换对潜艇辐射噪声连续谱进行了仿真,分别叠加了线谱信号和调制谱信号之后,得到潜艇辐射噪声的仿真结果.通过对仿真结果的分析和利用仿真结果与实装进行对接测试,表明仿真的辐射噪声逼真度较高.
文章提齣瞭一種基于自適應濾波器的潛艇輻射譟聲倣真方法.在對潛艇輻射譟聲連續譜、線譜和調製譜的數學模型進行研究的基礎上,利用Ecs型功率譜模型,基于自適應濾波器,通過傅裏葉反變換對潛艇輻射譟聲連續譜進行瞭倣真,分彆疊加瞭線譜信號和調製譜信號之後,得到潛艇輻射譟聲的倣真結果.通過對倣真結果的分析和利用倣真結果與實裝進行對接測試,錶明倣真的輻射譟聲逼真度較高.
문장제출료일충기우자괄응려파기적잠정복사조성방진방법.재대잠정복사조성련속보、선보화조제보적수학모형진행연구적기출상,이용Ecs형공솔보모형,기우자괄응려파기,통과부리협반변환대잠정복사조성련속보진행료방진,분별첩가료선보신호화조제보신호지후,득도잠정복사조성적방진결과.통과대방진결과적분석화이용방진결과여실장진행대접측시,표명방진적복사조성핍진도교고.
A simulation method for submarine radiation noise based on adaptive filter was proposed. Based on the research on the mathematical models of continuous spectrum, line spectrum and modulation spectrum of sub?marine radiation noise, the continuous spectrum of submarine radiation noise was simulated via inverse fourier transform based on adaptive filter using Ecs spectrum model. The simulation results was obtained after superpose?ing the line sepctrum signal and modulation signal. The analysis and equipment test of the simulation results showed that its naturalness was so good that the method was practical.
