The cosine transform spectrum of sphere are about the same as that of infinite horizontal cylinder, and that of infinite stretched staircase are very sharp, but that of finite stretched staircase presents well-regulated leap.
The cosine transform spectrum of sphere are about the same as that of infinite horizontal cylinder, and that of infinite stretched staircase are very sharp, but that of finite stretched staircase presents well-regulated leap.
球体与无限长水平圆柱体的余弦变换谱相似，无限延伸垂直台阶的变化很尖锐，有限台阶的表现为上、下有规律的跳跃。