CAJ | 학술논문

从声学的角度看，潜艇具有振动噪声源数目众多、相互之间耦合严重以及传递路径复杂的特点。层次诊断通过建立递阶层次结构对振动噪声源分离量化问题进行分解，从而形成了自上而下的支配关系，然后借助于标度通过两两比较建立判断矩阵，从而得到各振动噪声源对评价点的贡献量。根据声学中的分贝数相加原理，对层次分析法中的标度进行调整使其具有物理意义，从而使层次诊断结果是具有实际物理意义的测度。将潜艇层次诊断过程分为两个环节，分别为从艇内设备到壳体以及从壳体到水声场，并采用加权平均方法和D-S证据理论对这两个环节的计算结果进行融合。仿真计算和舱段试验验证了层次诊断应用到舱段模型振动噪声源分离量化问题中的可行性。
종성학적각도간，잠정구유진동조성원수목음다、상호지간우합엄중이급전체로경복잡적특점。층차진단통과건립체계층차결구대진동조성원분리양화문제진행분해，종이형성료자상이하적지배관계，연후차조우표도통과량량비교건립판단구진，종이득도각진동조성원대평개점적공헌량。근거성학중적분패수상가원리，대층차분석법중적표도진행조정사기구유물리의의，종이사층차진단결과시구유실제물리의의적측도。장잠정층차진단과정분위량개배절，분별위종정내설비도각체이급종각체도수성장，병채용가권평균방법화D-S증거이론대저량개배절적계산결과진행융합。방진계산화창단시험험증료층차진단응용도창단모형진동조성원분리양화문제중적가행성。
From acoustic point of view,a submarine has features,such as,numerous vibration and noise sources, serious coupling among them and complex transmission paths.Hierarchy diagnosis can be used to solve the problem of vibration and noise source separation and quantification by constructing a hierarchical structure,and the dominance relationship is formed from top to bottom.By means of scale,the vibration and noise source's contribution is obtained by pairwise comparison.Here,according to the decibel addition principle,the AHP comparison scale was adjusted to have physical significance,and the results of hierarchy diagnosis become the measure with actual physical significance.The hierarchy diagnosis procedure of a submarine was divided into two links including from an equipment inside the submarine to the submarine shell and the shell to the outside underwater acoustic field.The results were fused using the weighted average method and the D-S evidence theory.The feasibility of this method was validated with simulations and cabin tests.