CST – Computer Simulation Technology

Concentric Circular Array: Gain or Beamwidth | Antenna Magus

This synthesis algorithm will design a circular array (made up of multiple concentric rings of elements) for a specified directivity or beamwidth. The array is always designed so that the elements are arranged in the x-y plane (cantered around the z-axis) and main-beam radiation along the positive and negative z-axis directions. When isotropic array elements are assumed, the radiation pattern of this array will be a figure-of-rotation around the z-axis.

An example of a 3D pattern for this array.

More information about how the array synthesis tool should be used can be found in ‘Antenna Array Synthesis in Antenna Magus’  and in ‘Help: How do I use the Array Synthesis tool?’ (located in the Antenna Magus information browser). The latter article also describes the different excitation tapers in more detail, and provides references for further research.  

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