By some experimental researches on IBSD system and regression analyzing, the exponent of cosinedistribution is determined and the emluator are completed for quantificationally simulation.
The expressions of radial pressure distribution on the piston rings with non- cosine function and their characteristics are studied in detail in this paper.
本文分析了非仅用余弦函数表达活塞环径向压力分布的方式及有关这种表达式的特性。
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The ac coefficients of an image's Discrete Cosine Transform (DCT) are best approximated by Laplacian distribution model. Based on this model, the blind information hiding algorithm was proposed.