Synthesis of linear array of antennas by Newton binomial method to reduce the level of lateral petals of the beam

Subject Areas : Electronics Engineering

Maryam Rahimi kazeroni ¹ (Islamic Azad University, M.Sc. Department of Electrical Engineering, Bushehr, Iran)
Ghasem Ravaei ² (Islamic Azad University, M.Sc. Department of Electrical Engineering, Kazerun, Iran)

Received: 2021-05-21 Accepted : 2021-05-21 Published : 2017-06-22

Keywords:

Abstract :

Antenna arrays are one of the most susceptible types of antennas in this field due to having the necessary capabilities for beam shaping, beam conduction, direction, and high gain. In general, in pattern synthesis of an array of antennas, the main focus is on determining the excitation of the antennas to produce a desired pattern. The problem of determining the excitation of the antennas in the array can be divided into three main categories. The first issue of antenna pattern synthesis is the production of a pattern whose zeros are in the desired directions. The second problem is the production of a pattern with a very narrow beamwidth that the level of the lateral petals is very low compared to the main petal. The third problem is the production of a shaped beam. In this paper, the pattern synthesis of an array of antennas with very narrow beams and very low lateral petal surface area compared to the main petal is discussed. There are several different ways to do this in antenna articles and books. One of these methods is Newton binomial method. In this paper, a linear array is used to produce a very narrow beam and reduce the surface of the lateral petals using Newton Pattern Synthesis.