Fig. 1. Schematic diagram of a microwave photonic channelized coherent reception

Fig. 2. Flow chart of digital nonlinear distortion compensation algorithm

Fig. 3. Spectra of signals before and after processing by digital compensation algorithm in channel 1. (a) Before processing; (b) after processing

Fig. 4. Relationship between power of IMD3 and XMD and iteration times of algorithm

Fig. 5. Powers of fundamental signal, IMD3, and XMD varying with powers of in-channel dual-tone signal and out-of-channel dual-tone signal. (a) In-channel; (b) out-of-channel

Fig. 6. Spectra of signals before and after digital compensation under input of 5 sets of dual-tone signals and influence of parameter deviation. (a) Spectrum of signal before digital compensation algorithm processing; (b) spectrum of signal after digital compensation algorithm processing when parameter is accurate; (c) spectrum of signal after digital compensation algorithm processing when parameter deviation is 5%; (d) relationship between parameter deviation and suppression of IMD3 and XMD