This paper introduces an extremely robust adaptive denoising filter in the spatial domain. The filter is based on non-parametric statistical estimation methods, and in particular generalizes an adaptive method proposed earlier by Fukunaga [1]

2014 年2 月，DVB 组织通过了最新的DVB-S2 扩展版技术规范DVB-S2X。DVB-S2X 作为第二代卫星广播电 视标准DVB-S2 的扩展，能够进一步提高带宽利用率，并为未来可能出现的移动应用提供了甚低信噪比(VL-SNR) 模式。 本文重点介绍和分析了DVB-S2X 几项新的技术改进。-In February 2014, DVB Organization adopted new DVB-S2 specification extended edition DVB-S2X.