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In this work efficient architectures of modulo 2n+1 subtractors for diminished-1 operands which can handle zero operand are presented. The proposed subtractors have similar architecture, operate at the same speed and have the same area complexity compared to their corresponding modulo 2n+1 adders for diminished-1 operands. Efficient modulo 2n+1 adder/subtractor architectures for diminished-1 operands,...
The Mellin transform (MT) is a form of a signal representation similar to Fourier transform (FT) which has been widely used in signal processing owing to its distinct properties like scale invariance. In this work, a 2D form of MT which is termed as 2D discrete Mellin transform (DMT) is introduced. The paper also proposes an area efficient, power aware and multiplier less VLSI architecture for 2D...
Fast Fourier Transform (FFT) is the most basic and essential part of Software Defined Radio (SDR). Therefore, designing regular, reconfigurable, modular and low hardware complexity FFT computation block is very important. A single FFT block should be configurable for varying length FFT computation and also for computation of different transforms like DCT, DST etc. In this paper, the authors analyze...
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