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Hardware implementation of adaptive feedback based reversible image watermarking for image processing application
The software implementation results clearly demonstrated that the AFRIW method provides higher PSNR than the DE-based RIW method and the hardware implementation results indicate that the proposed algorithm has low timing complexity over other existing feedback based RIW algorithms which in turn provide higher speed.
SOME NUMERICAL AND EXPERIMENTAL OBSERVATIONS ON THE GROWTH OF OSCILLATIONS IN AN X-BAND GUNN OSCILLATOR
The dynamics of the onset of oscillations in a wave guide cavity based Gunn Oscillator (GO) has been critically examined through numerical simulations and experimental studies. The transition of the…
Experimental and Numerical Studies on the Dynamics of X-Band Gunn Oscillator Based Angle Modulator-Demodulator System with Chaotic Modulating Signal
We have studied the performance of a Gunn oscillator (GO) based angle modulator–demodulator system in transmitting chaotic signals in the X-band microwave frequency channel. The principle of bias t...
An implementation perspective of hybrid electric vehicle
Abstract Hybrid electric vehicle (HEV) and Electric vehicle (EV) are currently needed to our transportation system due to low carbon emission and lack of fossil fuel in near future. Mathematical…
Design of an implantable antenna for biotelemetry applications
In this paper an implantable meandered patch antenna is reported. This antenna works in the ISM band of (2.4–2.5) GHz. This antenna is an example of significant size miniaturization of (15 × 21.5 ×…
Effects of unilateral Coupling between Two Chaotic X-band Gunn oscillators
- B. Sarkar, S. Sarkar, C. Koley, Arun Kanti Guin, T. Banerjee
- PhysicsInt. J. Bifurc. Chaos
- 12 December 2013
It is established through numerical simulation that (i) two oscillators with identical design parameters attain a state of complete synchronization and (ii) twoscillators with slightly different design parameters attained aState of generalized synchronization for reasonable value of coupling strengths.
An Economic Risk Analysis in Wind and Pumped Hydro Energy Storage Integrated Power System Using Meta-Heuristic Algorithm
Due to the restructuring of the power system, customers always try to obtain low-cost power efficiently and reliably. As a result, there is a chance to violate the system security limit, or the…
Dynamics of a System of Bilaterally Coupled Chaotic Gunn Oscillators
Experimental studies on a system of two bilaterally coupled chaotic Gunn oscil- lators (BC-CGO) indicate the efiect of coupling coe-cient (Kij) on the dynamical state of the system. For some values…
On Use of Low Cost, Compact GNSS Receiver Modules for Ionosphere Monitoring
- Sukabya Dan, Atanu Santra, Somnath Mahato, C. Koley, Prabal Banerjee, A. Bose
- PhysicsRadio Science
- 1 December 2021
Geodetic or special purpose Global Navigation Satellite System (GNSS) receivers are used for ionosphere monitoring and research. Dual frequency, compact, low‐cost commercial GNSS modules can provide…