Systems and methods for adaptive signal processing

An electronic receiver array comprising:

• a plurality of sub-arrays of receiving electronics each sub-array configured to receive radiofrequency (RF) signals from an antenna array of a plurality of antenna arrays and digitize the received RF signals;
• a plurality of processing electronics circuits each configured to process signals output from a sub-array of the plurality of sub-arrays;
• and
• a central processing system in communication with the plurality of processing electronics circuits,
• wherein a first processing electronics circuit of the plurality of processing electronics circuits is configured to generate a first spatial covariance matrix, the first received from a first sub-array of the plurality of sub-arrays and an inferred portion calculated using estimates of angle of arrival of signals from the one or more interference sources, the first processing electronics circuit further configured to compute a first auxiliary beam weight and calculate a first partial auxiliary beam based on the signals received from the first sub-array and the first auxiliary beam weight,
• wherein a second processing electronics circuit of the plurality of processing electronics circuits is configured to generate a second spatial covariance matrix, the second spatial covariance matrix comprising a measured portion calculated using signals received from a second sub-array of the plurality of sub-arrays and an inferred portion calculated using estimates of angle of arrival of signals from the one or more interference sources, the second processing electronics circuit further configured to compute a second auxiliary beam weight and calculate a second partial auxiliary beam based on the signals received from the second sub-array and the second auxiliary beam weight, and
• wherein the central processing system is configured to calculate a total auxiliary beam for the electronic receiver array from the first partial auxiliary beam and the second partial auxiliary beam.

A method of processing signals received by an electronic receiver array, the method comprising:

• receiving radiofrequency (RF) signals at a plurality of antenna arrays each comprising a plurality of antenna elements;
• digitizing the received RF signals at a plurality of receiver sub-arrays each comprising a plurality of electronic receivers;
• calculating a first spatial covariance matrix using a first processing electronics circuit configured to process the signals output from a first receiver sub-array of the plurality of receiver sub-arrays;
• calculating a first partial auxiliary beam based on the first spatial covariance matrix using the first processing electronics circuit;
• calculating a second spatial covariance matrix using a second processing electronics circuit configured to process the signals output from a second receiver sub-array of the plurality of receiver sub-arrays;
• calculating a second partial auxiliary beam based on the second spatial covariance matrix using the second processing electronics circuit;
• and
• calculating a total auxiliary beam for the electronic receiver array from the first partial auxiliary beam and the second partial auxiliary beam using a central processing system in communication with the first and second processing electronics circuits.