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Electrocardiographic imaging is an inverse problem which consists of computing epicardial potential distributions from measurements of body surface potentials. Smoothing and attenuation of the electric field by the intervening body volume conductor render the problem ill posed, requiring regularization to stabilize the inverse solution. This paper reports a… (More)

- Alexandru Morega, Cristina Savastru, Mihaela Morega
- IJMSTR
- 2013

Magnetic drug targeting (MDT) therapy is usually controlled through the magnetic field produced by a permanent magnet; the solution proposed and assessed here considers a planar spiral coil (PSC) or a system of such coils, as an equally effective magnetic field source. The PSC may be designed to provide proper configurations of the magnetic field gradients,… (More)

- Augustin Moraru, Alin Dobre, +4 authors Alin Dobre
- 2011

The paper presents numerical simulation results on the electrical signal propagation in the thoracic volume; the signal source is the cardiac electrical activity, as described by FitzHugh-Nagumo equations. Action potential propagation through an excitable tissue that models the electrical activity of a healthy heart was projected here on the surface of the… (More)

- Alin Dobre, Alexandru Morega, Mihaela Morega
- Proceedings of the 10th IEEE International…
- 2010

There is an outstanding growing interest in developing numerical methods and tools to investigate the hemodynamic of the arterial flow, and to understand its interaction with the anatomic structural system. As arteries morphology is complex and patient-related, medical data based reconstruction of the geometry may be utilized to generate realistic… (More)

Cardiovascular investigations start with the arterial blood pressure measurement and the easiest and accessible approach takes the recording of the systolic and diastolic pressure levels by a sphygmomanometer, usually during compression of the upper arm, or the wrist (same level as the heart), on the path of the brachial artery. More information on arterial… (More)

- M. C. IPATE, Alin Dobre, Alexandru Morega, M. C. Ipate, Alin Dobre, Alexandru Morega
- 2012

Acest studiu este despre impedanţa cardiacă, utilizată pentru determinarea volumul sanguin, pompat de vetricul stang la o singura contractie a inimii, şi a debitul cardiac. În majoritatea articolelor privind acest subiect, persoanele participante la experiment prezintă probleme cardiace. Din acest motiv au fost efectuate teste atât pe subiecţi sănătoşi cât… (More)

- Sanda Paturca, Catalina Enescu, Constantin Ilas, Alexandru Morega
- Eurobot Conference
- 2010

The paper presents a workshop and a contest organized for 25 high school students at the “Politehnica” University of Bucharest in early 2010. These activities were coordinated by both University professors and high school teachers and their objectives include introducing students to robotics and also creating a bridge between engineering university and high… (More)

- Petrica A. Negoiaş, Alexandru Morega, Alexandru Morega
- 2008

This paper reports the optimization results on a new generation of photovoltaic cells (PVC), called “spheral”, based on constructal theory. In this approach, the optimal shape (geometry) and structure of the photovoltaic ensemble is the outcome of the functionality and constraints that the system (the PVC) has to stand. The cell is assumed to work under… (More)

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