A single channel frequency measurement scheme based on photonic compressed sampling
2021
We propose a single-channel photonic compressed sampling scheme. The program is composed of 4 MZMs and each MZM is set at an appropriate working point. The sparse microwave signal is modulated onto an optical carrier coded by a pseudo-random sequence, so that the microwave signal randomly distributed in the broadband range can be measured. The numerical analysis shows that a multi-tone signal in 40 GHz range can be located and reconstructed with 4.2 GHz sampling rate with high probability.
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