Multifunction active array

Details Multifunction active array Multifunction active array

H - Electricity

01

Q

351/57, 343/67

H01Q 25/00 (2006.01) H01Q 3/24 (2006.01) H01Q 3/26 (2006.01)

Patent

CA 1297971

ABSTRACT OF THE DISCLOSURE A multifunction active array system is disclosed, wherein the array aperture may be partitioned into a plurality of arbitrary subapertures. The array system includes N radiative elements, each coupled to a corre- sponding active module. Each module is in turn connected to an aperture partition selector, which includes an M-way power divider/combiner device, having a module port and M device ports. Each device port is coupled through an RF switch to a partition port of the device. M N-way mani- folds are provided, having N manifold ports coupled to a respective one of said partition ports of each selector. The manifolds are coupled to a receiver and an excitation source. Each partition may be formed by the desired connection of a particular module to a manifold by the respective positions of the RF switches. The array system provides the capabilities of partitioning the array into M or less subapertures to simultaneously generate sum patterns, difference patterns, guard patterns, and adaptive nullings. The partitions on receive and transmit are independent, and they may differ in any arbitrary manner. The subapertures may overlap.

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