Abstract
When the mathematical model of the read write(R/W) simulation of write once and read many (WORM) optical disk and drive was formulated and numerical analysis and software implementation of the simulation were carried out for the noise-free R/W process, it was found that the numerical process of the simulation introduced artificial noise in the read back signal. The artificial noises were due to finite precision of integration, finite density of written spot, and finite number of pits simulated. The noises can be reduced, but at the expense of computational time.
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