Synthesis of two-dimensional lossless m-ports with prescibed scattering matrix
Circuits, Systems, and Signal Processing
Multidimensional Digital Signal Processing
Multidimensional Digital Signal Processing
Pipelined CORDIC-based state-space orthogonal recursive digital filters using matrix look-ahead
IEEE Transactions on Signal Processing
Fast communication: An improved orthogonal digital filter structure
Signal Processing
Synthesis of 2-D lossless fir filter transfer function matrix
ICICS'09 Proceedings of the 7th international conference on Information, communications and signal processing
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The problem of Roesser model realization is considered in this paper. Sample-by-sample scheduling techniques are discussed, which utilize index mapping functions, resulting in column-by-column, row-by-row, and diagonal-by-diagonal implementations. It is shown that the diagonal-by-diagonal implementation requires specific approach, and can be realized using a novel switched delay structure. An adopted technique is presented for the realization of memoryless block of orthogonal 2-D state-space equations, which leads to a structure consisting of Givens rotations, possibly a -1 multiplier, and unit delays. Processing time and concurrency issues of such approach are briefly discussed.