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Category Archives: signal processing
Monotonically increasing intervals
Problem A real sequence satisfies for all , where . Let be the length of the th interval. Show that there exists a unique such that for all . Remark This is a problem that arises from nonlinear quantization in … Continue reading
Posted in Analysis, mathematics, signal processing
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3D Matrix Multiplication Tricks
Recently, I came across times 3D matrix multiplication in Matlab. It is for frequency domain signal processing, specifically, frequencydependent multichannel Wiener filter. Here, 3D matrix multiplication means 2D matrix multiplication at each frequency (or other parameters): Given and which are … Continue reading