摘要：Accurate frequency assessment is nowadays required in the mechanical engineering applications. Because in the standard methods that allow finding the real frequency occur errors, which come from the fact that they depend largely on the acquisition time, we set out to improve these methods. The purpose of this work is to find the maximum amplitude of the interpolation curve that passes through two amplitude peaks on two adjacent spectral lines. The method presented in the paper ensures a high precision when determining the frequency indicated by the maximizer.
关键词：Frequency estimation;interpolation;sinc function
