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- W4300049523 abstract "The spectrogram is a classical DSP tool used to view signals in both time and frequency. Unfortunately, the Heisenberg Uncertainty Principal limits our ability to use them for detecting and measuring narrowband signal modulation in wideband environments. On a spectrogram, instantaneous frequency can only be measured to the nearest bin without additional interpolation. This work presents a novel technique for extracting higher accuracy frequency estimates. Whereas most practitioners seek to suppress spectral leakage, we use mismatched windows to exploit such artifacts in order to produce super-resolved spectral displays. We present a derivation of our methodology and exhibit several interesting examples." @default.
- W4300049523 created "2022-10-03" @default.
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- W4300049523 date "2014-01-21" @default.
- W4300049523 modified "2023-09-28" @default.
- W4300049523 title "Exploiting Spectral Leakage for Spectrogram Frequency Super-resolution" @default.
- W4300049523 doi "https://doi.org/10.48550/arxiv.1401.5444" @default.
- W4300049523 hasPublicationYear "2014" @default.
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