In a variant on this model, matter thins out on large scales in a fractal pattern. 這類模型的另一種變形是,物質在大尺度時變得稀薄,形成碎形的圖樣。
So, this paper designed two new decoders and these decoders reduced greatly the influence of the channels time variations. 基於此,該文設計了兩種新的解碼器,該解碼器可顯著降低通道時變的影響。