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- A. Karagounis, A. Polyzos, B. Kotsos, N. Assimakis
- 2009 16th International Conference on Systems…
- 2009

A Manchester code generator designed at transistor level with NMOS switches is presented. This generator uses 26 transistors and has the same complexity as a standard D flip-flop. It is intended to be used in a complex optical communication system. The main benefit of this design is the use of a clock signal running at the same frequency as the data. Output… (More)

- Nicholas Assimakis, Maria Adam, Maria G. Koziri, Stamatis Voliotis, Konstantinos Asimakis
- Digital Signal Processing
- 2013

Article history: Available online 16 August 2012

- Nicholas Assimakis, Maria Adam, Maria Koziri, Stamatis Voliotis
- 2009 16th International Conference on Systems…
- 2009

A method to implement the optimal distributed Kalman and Lainiotis filters is proposed. The method is based on the a-priori determination of the optimal uniform distribution of the measurements into parallel processors, in the sense of minimizing the computation time. The resulting optimal Kalman and Lainiotis filters present high parallelism speedup. This… (More)

- Maria Adam, Nicholas Assimakis, Grigoris Tziallas, Francesca Sanida
- 2009

A test is developed for checking the existence of a finite number of solutions of the matrix equations X + A T X 1 A = Q and X A T X 1 A = Q, when A is a nonsingular matrix. An algebraic method for computing all the solutions of these matrix equations is proposed. The method is based on the algebraic solution of the corresponding discrete time Riccati… (More)

- Nicholas Assimakis, Maria Adam
- TheScientificWorldJournal
- 2014

We present two time invariant models for Global Systems for Mobile (GSM) position tracking, which describe the movement in x-axis and y-axis simultaneously or separately. We present the time invariant filters as well as the steady state filters: the classical Kalman filter and Lainiotis Filter and the Join Kalman Lainiotis Filter, which consists of the… (More)

- Maria Adam, Nicholas Assimakis, Alfonso Farina
- Applied Mathematics and Computation
- 2015

We consider the discrete time Kalman and Lainiotis filters for multidimensional stochastic dynamic systems and investigate the relation between the golden section, the Fibonacci sequence and the parameters of the filters. Necessary and sufficient conditions for the existence of this relation are obtained through the associated Riccati equations. A… (More)

- Nicholas Assimakis, Maria Adam
- Int. J. Math. Mathematical Sciences
- 2014

In this paper we present two time invariant models mobile position tracking in three dimensions, which describe the movement in x-axis, y-axis and z-axis simultaneously or separately, provided that there exist measurements for the three axes. We present the time invariant filters as well as the steady state filters: the classical Kalman Filter and Lainiotis… (More)

- Maria G. Koziri, Thanasis Loukopoulos, Maria Adam, Nicholas Assimakis, Grigoris Tzialas
- WorldCIST
- 2017

- Nicholas Assimakis, Maria Adam, Chrissavgi Triantafillou
- Signal Processing
- 2013

The relation between the discrete time Lainiotis filter on the one side and the golden section and the Fibonacci sequence on the other is established. As far as the random walk system is concerned, the relation between the Lainiotis filter and the golden section is derived through the Riccati equation since the steady state estimation error covariance is… (More)