A novel approach of speckle noise reduction is put forward according to the distributions of signal and noise under different scales of Synthetic Aperture Radar (SAR) images based on Wavelet Packet Transform (WPT).是什么意思_A novel approach of speckle noise reduction is put forward according to the distributions of signal and noise under different scales of Synthetic Aperture Radar (SAR) images based on Wavelet Packet Transform (WPT).在线翻译_英语_读音_用法_例句