Department of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA. bryantjr@eecs.oregonstate.edu|Department of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA. bryantjr@eecs.oregonstate.edu|Department of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA. bryantjr@eecs.oregonstate.edu