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Abstract In this dissertation three main areas in one and two-dimensional recursive digital filtering have been investigated: 1) Generation of the impulse response (in closed¬form and numerically). 2. Recursive filter design to approximate a given impulse response. 3. Stable recursive filter design to approximate given magnitude-frequency specifications. In each main area one-dimensional recur~ive filters have been studied and techniques based on these investiga¬tions have been extended to two-dimensional recursive filters. |