Fourier analysis is well known to provide complete information of the frequencies present in
a signal. But in the process, time information is lost. Therefore, its time-frequency …

Abstract Fiber Bragg Grating (FBG) sensors are an emerging and prominent optical sensing
technology of accurately measuring strain, depth, temperature, density, and several physical …

Objectives Timely and accurate R-peak detection is very important for analyzing
electrocardiogram (ECG) signal in critical conditions. The main obstacle in observing the …

Cardiac ailments are increasing at an alarming rate globally due to the sedentary lifestyle
and increased desk-bound activities. For decades, the ECG signal is used in aiding the …

This article introduces a new design of an optimised zero-phase response fractional order
digital differentiator (FODD) called Riesz FODD of half order by employing a recently …

This article introduces an optimal design of finite impulse response-type Riesz fractional-
order digital differentiator (FODD) of orders p= 0.3, 0.5, and 0.75. A very little study on Riesz …

Medical imaging is crucial in examinations and for providing appropriate patient care.
Medical images are used to diagnose and identify specific conditions. However, the …

The QRS complex is considered to be one of the main factors in diagnosing heart diseases;
thus, its detection on the electrocardiogram signals has become the target of various types of …

Due to the uncertainty and inherent complexity in the zero-phase digital Riesz differentiator-
type optimisation problem, numerous distinct objectives must be taken into account together …

Digital differentiation is an important phenomenon in digital signal processing to finding out
sudden changes in signal. In this paper design of digital differentiator based on Fourier …