曲波变换在位场信号提取中的应用研究
张杨, 王君恒, 曹炼鹏, 冯裕华, 朱江皇, 付强

A study of the application of Curvelet transform to potential field signal extraction
ZHANG Yang, WANG Jun-Heng, CAO Lian-Peng, FENG Yu-Hua, ZHU Jiang-Huang, FU Qiang
图6 加噪数据Curvelet变换阈值去噪
(加5%幅值随机噪声,sigma=0.45)
Fig.6 Curvelet transform threshold denoising of noise-added data
(add 5% amplitude random noise,sigma=0.45)