Twiddle factor (TF) generator is a key component in IFFT/FFT computation for current OFDM-
based wireless and wireline communication systems, such as IEEE 802.11 a/g, 802.16 …

The CORDIC algorithm has been readily used to decimate trigonometric and hyperbolic
functions with simple shift and add operations. Despite further refinements in terms of circuit …

This work proposes a new rotation mode CORDIC algorithm, which considerably reduces
the iteration number. It is achieved by combining several design techniques. Particularly, a …

A single panoramic annular lens optical system and high-sensitivity, high-resolution CCD
sensors form the basis of a 360° panoramic night vision image processing hardware …

Based on digital signal processor (DSP) and field programmable gate array (FPGA)
techniques, the architecture of super large view field (SLVF) panoramic night vision image …

為了設計一個具低複雜度, 低成本的可變長度快速傅立葉轉換處理器以適用於多種正交分頻多工
的通訊系統, 本論文由演算法至架構層次研究各種關於快速傅立葉轉換的技術 …

An efficient hardware implementation of FFT algorithm become essential one in signal
analysis domain, more specifically the twiddle factor calculation in FFT computation plays …

In this paper, we improve our previous efficient CORDIC processor design. The
improvements consist of two parts:(1) an improved table-lookup rotation scheme with a …

The unwrapped and correcting algorithm based on Coordinate Rotation Digital Computer
(CORDIC) and bilinear interpolation algorithm was presented in this paper, with the purpose …

The COordinate Rotation Digital Computer (CORDIC) performs general vector rotation in the
2D plane in the circular, linear and hyperbolic coordinate systems. Its strength lies in its …