Enhanced periodic mode decomposition and its application to composite fault diagnosis of rolling bearings

J Cheng, Y Yang, H Shao, H Pan, J Zheng, J Cheng - ISA transactions, 2022 - Elsevier
The impulse components of different periods in the composite fault signal of rolling bearing
are extracted difficultly due to the background noise and the coupling of composite faults …

A new signal representation using complex conjugate pair sums

BS Shaik, VK Chakka, AS Reddy - IEEE Signal Processing …, 2018 - ieeexplore.ieee.org
This letter introduces a real valued summation known as complex conjugate pair sum
(CCPS). The space spanned by CCPS and its one circular downshift is called complex …

Stress analysis of composite plate with cutout of various shape

A Lal, BM Sutaria, R Kumar - IOP Conference Series: Materials …, 2020 - iopscience.iop.org
Composite plate found numerous applications in various structures due to its superior
properties like high stiffness to weight and strength to weight ratio. Generally, cutouts in …

Ramanujan and DFT mixed basis representation for removal of PLI in ECG signal

BS Shaik, VK Chakka, S Goli - 2017 4th International …, 2017 - ieeexplore.ieee.org
Ramanujan Periodic Transform (RPT) is the newly emerging transform to identify
periodicities in the given data. RPT represents the given finite length sequence into a …

On the zeros of Ramanujan filters

P Kulkarni, PP Vaidyanathan - IEEE Signal Processing Letters, 2020 - ieeexplore.ieee.org
Ramanujan filter banks have been used for identifying periodicity structure in streaming
data. This letter studies the locations of zeros of Ramanujan filters. All the zeros of …

[PDF][PDF] Signal periodicity detection using Ramanujan subspace projection

D Abraham, M Manuel - Journal of Electrical Engineering, 2020 - sciendo.com
Signal periodic decomposition and periodic estimation are two crucial problems in the signal
processing domain. Due to its significance, the applications have been extended to fields …