2. 您的位置
3. 首页
4. 会议论文
5. Application of variational nonlinear chirp mode decomposition for the analysis of sound signal in th

Application of variational nonlinear chirp mode decomposition for the analysis of sound signal in th

来源 :The 5th International Conference on Dynamics, Vibration and | 被引量 : 0次 | 上传用户：aylylxs

【摘 要】

：

　　Sound signals in the sea contain abundant information about the underwater environment and marine animals.Accurately extracting the signal features is very

【作 者】

：

Shiqian Chen Zhike Peng Xingjian Dong Sha Wei 

【机 构】

：

StateKeyLaboratoryofMechanicalSystemandVibration,ShanghaiJiaoTongUniversity,Shanghai,China,200240

【出 处】

：

The 5th International Conference on Dynamics, Vibration and

【发表日期】

：

2018年7期

下载到本地 , 更方便阅读

下载此文 赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

　　Sound signals in the sea contain abundant information about the underwater environment and marine animals.Accurately extracting the signal features is very important for ocean research.However,the sound signal is often non-stationary and composed of multiple modes,which challenges the conventional signal processing tools.

其他文献

Nonlinear vibration isolation system for dip-joint and corrugation rails based on vehicle-track vert

　　Along with the rapid development of railway system,especially a substantial increase of running speed,it makes the problem of railway vehicle and track syst

会议

Investigation and simulation on dry wet modal determination for centrifugal pump impeller

　　Impeller is a core component in centrifugal pump.Accurately calculating the natural frequency of it is the key and foundation to avoid mechanical resonance.

会议

Effects of rail corrugation on the dynamic performance of a heavy-haul locomotive

　　Rail corrugation is a serious problem and endangers the safety of locomotives.This study investigates the influence of the rail corrugation on the dynamic b

会议

Fault diagnose of the rolling bearings vibration signals based on Kalman filter

　　Kalman filter method is used to analyze the rolling bearings vibration signals under different fault states.The vibration response signal of rolling bearing

会议

Adaptive frequency window EWT and its application to fault diagnosis of rolling element bearing

　　Aiming at the shortage that Empirical wavelet transform (EWT) method divides the frequency spectrum of signal based on the extreme points in the frequency s

会议

Nonlinear vibrations of functionally graded material plates under dynamic liquid load and with longi

　　This paper investigates the dynamics of functionally graded material (FGM) plates under dynamic liquid load and with longitudinal speed.The liquid is assume

会议

Understanding and improving deep learning-based rolling bearing fault diagnosis with attention mecha

　　In the recent years,deep learning-based intelligent fault diagnosis methods of rolling bearings have been widely and successfully developed.However,the data

会议

Multi-objective optimal design of squirrel cage for rotor-squeeze film damper systems

　　Squirrel cage is common in aero-engine compressors to serve as a centering spring.It requires careful design in order to function under harsh aero-engine wo

会议

The effect of thread connection on the vibration effect

　　Aim at the connection problem of the common screw thread,studied the influence of the thread connection on the vibration effect based on the thread force an

会议

Parameter optimization of a double layer vibration isolation system with active electromagnetic cont

　　When the double layer vibration isolation system (DLVIS) is operating under wide-band disturbances,the low-frequency vibration limit the performance of such

会议