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- Luca Manica, Nicola Anselmi, Paolo Rocca, Andrea Massa
- 2013

An innovative strategy for the robust design of linear antenna arrays is presented. Being the array elements characterised by tolerance errors, the synthesis is aimed at determining the intervals of values fitting the user-defined mask constraints on the radiated power pattern. With reference to the upper and lower bounds of the power pattern analytically… (More)

- Marco Salucci, Davide Sartori, Nicola Anselmi, Andrea Randazzo, Giacomo Oliveri, Andrea Massa
- 2013 International Symposium on Electromagnetic…
- 2013

The inspection of 2-D scatterers buried in a lossy half-space from field measurements is formulated within the framework of the second-order Born approximation (SOBA) of the inverse scattering problem. An iterative multi-scaling approach (IMSA) is combined with a two-step inexact-Newton (IN) algorithm to solve the arising problem. A set of preliminary… (More)

- Marco Salucci, Lorenzo Poli, Nicola Anselmi, Andrea Massa
- IEEE Trans. Geoscience and Remote Sensing
- 2017

- Nicola Anselmi, Marco Salucci, Paolo Rocca, Andrea Massa
- Sensors
- 2016

The sensitivity to both calibration errors and mutual coupling effects of the power pattern radiated by a linear array is addressed. Starting from the knowledge of the nominal excitations of the array elements and the maximum uncertainty on their amplitudes, the bounds of the pattern deviations from the ideal one are analytically derived by exploiting the… (More)

- Nicola Anselmi, Paolo Rocca, Andrea Massa, Ennio Giaccari
- 2014 IEEE Conference on Antenna Measurements…
- 2014

An innovative method for the synthesis of robust beam-forming weights of linear antenna arrays is presented in this work. Starting from user-defined mask power constraints, the configuration of the amplitude weights is optimized by means of a hybrid tool integrating the Interval Analysis (IA) and the Particle Swarm Optimization (PSO) in order to maximize… (More)

- Nicola Anselmi, Giacomo Oliveri, Mohammad A. Hannan, Marco Salucci, Andrea Massa
- IEEE Transactions on Microwave Theory and…
- 2017

The problem of imaging arbitrary-shaped targets is addressed through a methodological generalization of the compressive sensing (CS) paradigm. The <italic>Color CS</italic> (C-CS) methodology consists of a two-level hierarchical scheme where, at the first level and using a basis <italic>dictionary</italic>, several sparsity-regularized inversions are… (More)

- Marco Salucci, Giacomo Oliveri, +4 authors Andrea Randazzo
- Journal of the Optical Society of America. A…
- 2017

A novel approach for three-dimensional electromagnetic imaging is presented. This technique is a combination of an iterative multiscaling approach with an inexact-Newton method. The multiscaling procedure allows one to iteratively focus the region of interest on the detected target, whereas the inexact-Newton method provides an efficient regularized… (More)

- Marco Salucci, Nicola Anselmi, +4 authors Andrea Massa
- IEEE Trans. Geoscience and Remote Sensing
- 2016

- Paolo Rocca, Nicola Anselmi, Andrea Massa, Toshifumi Moriyama
- 2014 IEEE Conference on Antenna Measurements…
- 2014

The analysis of the tolerance effects on the radiated power pattern caused by the fabrication errors in the printing of the microstrip patches of reflectarrays is addressed through a method based on the Interval Analysis and the arithmetic of intervals. The dimensions of the microstrip patches are defined as intervals of values including the tolerance… (More)

- Toshifumi Moriyama, Lorenzo Poli, Nicola Anselmi, Marco Salucci, Paolo Rocca
- IEICE Electronic Express
- 2014

The impact on the nominal power pattern of random and not a-priori known errors affecting the excitation amplitudes of real linear arrays is analyzed by means of an analytic approach based on the interval analysis math. Starting from the expressions of the pattern bounds as a function of the excitation tolerances modeling the saturation in the amplifiers of… (More)