A Recursive Algorithm to Improve the Sampling Rate of Microwave SQUID Multiplexed Readout for Fast Microcalorimeter Signals Guofu Liao Institute of High Energy Physics Congzhan Liu Institute of High Energy Physics Zhengwei Li Institute of High Energy Physics Yongjie Zhang Institute of High Energy Physics Laiyu Zhang Institute of High Energy Physics Yu Xu Institute of High Energy Physics Shibo Shu Institute of High Energy Physics Daikang Yan Institute of High Energy Physics He Gao Institute of High Energy Physics Yifei Zhang Institute of High Energy Physics Xuefeng Lu Institute of High Energy Physics Xufang Li Institute of High Energy Physics Xiangxiang Ren Shandong University He Xu Institute of High Energy Physics Di Wu