Howtosignalprocessing
- What does a phased array antenna do?
- What is phased array antenna explain the radiation pattern of phased array antenna?
- What is array tapering?
- What are the five controls in antenna array?
What does a phased array antenna do?
A phased array antenna enables beamforming by adjusting the phase difference between the driving signal sent to each emitter in the array. This allows the radiation pattern to be controlled and directed to a target without requiring any physical movement of the antenna.
What is phased array antenna explain the radiation pattern of phased array antenna?
An Antenna array is said to be Phased Antenna array if the shape and direction of the radiation pattern depends on the relative phases and amplitudes of the currents present at each Antenna of that array.
What is array tapering?
Array tapering is used to change the directivity pattern. Generally the attenuation in the reject region is made greater and more nearly constant but at the price of widening the major lobe (for the same number of elements and overall array size).
What are the five controls in antenna array?
The total field of the array can be controlled by five array parameters that are the main design parameters [1]. These are: the geometrical layout of the array elements and their spacings, the excitation amplitude and phase of the individual elements, and finally the pattern of the individual elements.
