【摘要】 为了准确检测用于输电线路故障测距的行波,把基于小波变换模极大值的信号奇异点检测原理应用于行波的时间特征提取,并结合小波消噪技术,在强噪声背景下实现了行波波头的精确定位。仿真表明上述方法是有效的。更多还原

【Abstract】 In order to detect the traveling waves in the transmission lines correctly, the principle of singularity detection by using wavelet transform modulus maximum is presented. With the technology of wavelet de-noising, the traveling waves are accurately extracted in the noise background. The validity of the proposed method is verified by the results from simulation.更多还原