In many applications, it is desired to have a steered array of Fig 14-9 can have additional elements λ/4 behind them, phased by 90⁰ from each of the originals, to result in a pair of cardioid arrays with a beam steered as shown in Fig 14-11.
In many applications, it is desired to have a steered array of Fig 14-9 can have additional elements λ/4 behind them, phased by 90⁰ from each of the originals, to result in a pair of cardioid arrays with a beam steered as shown in Fig 14-11.