TY - Journal of Beijing University of Posts and Telecommunications A1 - NI Shui-ping, CHANG Hui-gang T1 - Double-Threshold Joint Spectrum Sensing Based on Energy and Wavelet Transform Y1 - 2017-07-10 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 117 EP - 121 VL - 40 IS - 4 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2017.04.019} N1 - 10.13190/j.jbupt.2017.04.019 ER -