Science. 1982 Jul 16;217(4556):243-5. doi: 10.1126/science.217.4556.243.
Classical edge diffraction patterns are formed at centimeter wavelengths by several features of Saturn's rings. These patterns were discovered in 3.6-and 13-centimeter radio signals from Voyager 1 during occultation by the rings. The observed shapes are in agreement with theoretical patterns computed for screens of perfectly abrupt edges having large but finite opacity. Comparison with models in which the opacity at the edge tapers to zero from a finite value sets a new bound of less than about 200 meters on the microwave edge thickness. Certain features of the data suggest a smaller upper bound of about 130 meters on the edge thickness.
经典的边缘绕射模式是由土星环的几个特征在厘米波长下形成的。这些模式是航海者 1 号在掩星过程中通过 3.6 和 13 厘米的无线电信号发现的。观察到的形状与为具有大但有限不透明度的完全突然边缘的屏幕计算的理论模式一致。与在边缘处的不透明度从有限值逐渐变为零的模型相比，这一结果为微波边缘厚度设定了一个小于约 200 米的新边界。数据的某些特征表明边缘厚度的上限约为 130 米。
