Wide band RF receiver based on dual OFC based photonic channelization and spectrum stitching technique.
A novel wide band RF receiver based on a dual OFC based channelization and spectrum stitching technique is proposed and demonstrated experimentally. In the scheme, a dual OFC based channelizer is utilized as the front end to slice the RF signals into multiple channels. In the back end, through the channel estimation and spectrum stitching, the received signals can be well reconstructed in the digital domain. A proof of concept experiment is performed, in which signals with 3 GHz bandwidths are sliced and reconstructed using the proposed receiver with a normalized mean squared error (NMSE) of 7.9x10 3. The performances of the reconstructed signals on pulse compression are also demonstrated to evaluate the potential of the proposed technique in practical applications.
Optics express