Novel Bandstop Filter With Improved Flat NGD Characteristics and Signal Attenuation in Passband. - Aixia Yuan; Niannan Chang; Junzheng Liu; Zhenping Lan; Yuwei Meng; Xinqi Guo (IEEE Access, 2024)

A Novel Flat Broadband Passive Circuit with Negative Group Delay. - Aixia Yuan; Niannan Chang; Junzheng Liu; Yuwei Meng (Circuits Syst. Signal Process., 2024)

Multi-band pass negative group delay circuit with low insertion loss. - Niannan Chang; Aixia Yuan; Ying Wang; Junzheng Liu (Int. J. Circuit Theory Appl., 2025)

DPF-Unet: a CNN-swin transformer fusion network for 3D brain tumor segmentation in MRI images. - Xinxin Li; Zhenping Lan; Yanguo Sun; Yuheng Sun; Yuepeng Guo; Yuru Wang; Aixia Yuan (J. Supercomput., 2025)