Synthesis of fixed and variable networks for filtering nonstationary random signals. - Charles H. Knapp (IEEE Trans. Inf. Theory, 1963)

Minimax control in substate space of a system with process uncertainty. - Sibnath Basuthakur; Charles H. Knapp (Autom., 1974)

Time delay estimation. - G. Clifford Carter; Charles H. Knapp (ICASSP, 1976)

Signal detectors for arrays with randomly perturbed sensor locations. - Charles H. Knapp (ICASSP, 1987)

Measurement selection for linear multivariable control systems. - Dipankar Ghosh; Charles H. Knapp (Autom., 1989)