“…The improved algorithm based on modulated wideband converter (IOMP) was proposed in [15] to boost the recovery rate with less samples. The articles in [16,17] put forward the sparse multi-band signal recovery algorithm to reduce the hardware complexity, which can use fewer sampling channels to recover the original signal under the same recovery performance. [18] presented distributed modulation wideband converter (DMWC) to achieve spectrum detection, which can change multi-channels single-node into multi-nodes single-channel flexibly to solve the defect of nonadjustable numbers of hardware channel.…”