Using high school trigonometry combined with knowledge of four-quadrant multipliers to form a frequency quadrupler.
Abstract: A split-step parabolic equation (SSPE) with a stable discrete mixed Fourier transform (DMFT) is introduced for the modeling of long-range electromagnetic propagation over ocean surfaces. Our ...
Abstract: The Discrete Cosine Transform (DCT) is a fundamental tool in image compression, widely used in standards like JPEG, because it helps to concentrate most of the image’s energy into fewer ...
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