Vector Multirate Filtering and Matrix Filter Banks
نویسنده
چکیده
Multichannel or multi-input multi-output multirate filtering is discussed in this paper. Vector multirate systems are defined, and the issues of aliasing cancellation and perfect reconstruction are addressed in the vector context. The conditions for a vector linear periodically time-variant system to become time-invariant are derived. The idea of doubly complementary filters is generalized to the vector context, and one method for constructing doubly complementary filters is outlined. The construction of a vector perfect reconstruction system is briefly described.
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