Implementation of Sub-Nyquist Sampling System Based on Compressed Sensing

Provided by: AICIT
Topic: Hardware
Format: PDF
In this paper, the authors describe the development of a sub-Nyquist sampling system that can digitize high-speed signals using a low-speed Analog to Digital Converter (ADC). The system is implemented by a Field Programmable Gate Array (FPGA), and it is possible to make change to the equivalent sampling frequency according to the practical applications. As an application of the Compressed Sensing (CS) theory, for the spectrally sparse analog signal sampling, the proposed system has the potential to break though the constraint of Shannon theorem and the bandwidth barrier of state-of-the-art ADCs.

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