Oceanic internal waves present bright and dark bands on the satellite SAR images, wavelength and direction parameters can be extracted by the SAR image analysis. 海洋内波在星载SAR图像上表现为明显的亮、暗带,通过SAR图像分析可以提取其波长和传播方向参数。
Full dark environment is needed to develop precious satellite films. 对于珍贵的卫星胶片的冲洗,需要全暗室环境;