P-CORDIC: A Precomputation Based Rotation CORDIC Algorithm
نویسندگان
چکیده
منابع مشابه
P-CORDIC: A Precomputation Based Rotation CORDIC Algorithm
This paper presents a CORDIC (coordinate rotation digital computer) algorithm and architecture for the rotation mode in which the directions of all micro-rotations are precomputed while maintaining a constant scale factor. Thus, an examination of the sign of the angle after each iteration is no longer required. The algorithm is capable to perform the CORDIC computation for an operand word-lengt...
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Coordinate rotation digital computer (CORDIC) is an iterative algorithm to calculate various complex mathematical functions such as trigonometric, hyperbolic, logarithmic functions and so on. The iterative procedure of the conventional CORDIC algorithm is inefficient due to its rotation strategy. This research presents a resourceful rotation strategy to reduce the unnecessary iteration times. T...
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A novel n-dimensional (n-D) CORDIC algorithm. for Euclidean and pseudo-ELclidian rotations,% proposed. The new algorithm is closely related to Householder transformations. It is shown to converge faster than CORDIC algorithms developed earlier for n = 3 and 4. Processor architectures for the algorithm are presented. The area and time performance of n-D CORDIC processors are evaluated. For a com...
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The LMS algorithm is one of the most successful adaptive filtering algorithms. It uses the instantaneous value of the square of the error signal as an estimate of the mean-square error (MSE). The LMS algorithm changes (adapts) the filter tap weights so that the error signal is minimized in the mean square sense. In Trigonometric LMS (TLMS) and Hyperbolic LMS (HLMS), two new versions of LMS algo...
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The CORDIC algorithm is a well-known iterative method for the computation of vector rotation. However, the major disadvantage is its relatively slow computational speed. For applications that require forward rotation (or vector rotation) only, we propose a new scheme, the modified vector rotational CORDIC (MVR-CORDIC) algorithm, to improve the speed performance of CORDIC algorithm. The basic id...
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ژورنال
عنوان ژورنال: EURASIP Journal on Advances in Signal Processing
سال: 2002
ISSN: 1687-6180
DOI: 10.1155/s1110865702205028