𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Complex weight control of array pattern nulling

✍ Scribed by Moctar Mouhamadou; Patrick Vaudon

Book ID
102511301
Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
319 KB
Volume
17
Category
Article
ISSN
1096-4290

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✦ Synopsis

An efficient method based on the sequential quadratic programming (SQP) algorithm for the linear antenna arrays pattern synthesis with prescribed nulls in the interference direction and minimum side lobe levels by the complex weights of each array element is presented. In general, the pattern synthesis technique that generates a desired pattern is a greatly nonlinear optimization problem. SQP method is a versatile method to solve the general nonlinear constrained optimization problems and is much simpler to implement. It transforms the nonlinear minimization problem to a sequence of quadratic subproblem that is easier to solve, based on a quadratic approximation of the Lagrangian function. Several numerical results of Chebyshev pattern with the imposed single, multiple, and broad nulls sectors are provided and compared with published results to illustrate the performance of the proposed method. V

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A new method for antenna pattern synthesis of linear arrays is described. The method is based on the application of the simulated annealing technique to achie¨e the excitations andror the positions of the elements for a desired radiation pattern. Design specifications include sidelobe le¨el, beamwid