Sub-Nyquist USF Spectral Estimation: $K$ Frequencies with $6K + 4$
Modulo Samples
Sub-Nyquist USF Spectral Estimation: $K$ Frequencies with $6K + 4$
Modulo Samples
Digital acquisition of high bandwidth signals is particularly challenging when Nyquist rate sampling is impractical. This has led to extensive research in sub-Nyquist sampling methods, primarily for spectral and sinusoidal frequency estimation. However, these methods struggle with high-dynamic-range (HDR) signals that can saturate analog-to-digital converters (ADCs). Addressing this, we introduce …