This paper proposes Design and Implementation of CORDIC algorithm for Direct Digital Synthesizer. COordinate Rotation DIgital Computer (CORDIC) algorithm is an interesting technique for phase to sine amplitude conversion. The algorithm proposed in this design is to utilize dynamic transformation rather than ROM static addressing. The proposed CORDIC design is based on Pipeline data path Archite...

The CORDIC(COordinate Rotational DIgital Computer) algorithm which is capable of computing complex functions such as the trigonometric, hyperbolic and logarithmic functions, real and complex multiplications, division, square-root, solution of linear systems, eigenvalue estimation ,singular value decomposition, QR factorization and many others.CORDIC being used in various real time applications ...

The coordinate rotation digital computer (CORDIC) algorithm is well known iterative algorithm for performing rotations in digital signal processing applications. Hardware implementation of CORDIC results increase in Critical path delay. Pipelined architecture is used in CORDIC to increase the clock speed and to reduce the Critical path delay. In this paper a hardware efficient Digital sine and ...

Many hardware algorithms exist to handle the hardware intensive signal processing problems. Among these algorithms is a set of shift-add algorithms collectively known as CORDIC for computing a wide range of functions including certain trigonometric, hyperbolic, linear and logarithmic functions. While there are numerous articles covering various aspects of CORDIC algorithms, very few survey more...

In this paper, rotation-extension CORDIC methods, i.e. double-rotation and triplerotation, are proposed for the objective of improving the performance and accuracy of the CORDIC computational algorithm in radix-2. In the double-rotation and triple-rotation methods, the convergences of the CORDIC computations are accelerated by duplicating and triplicating the micro-rotation angles to be 2θ and ...

CORDIC algorithm is very widely used in the digital signal processing systems. This article presents a CORDIC-based reconfigurable FPGA architecture that can be changed to perform different algorithms of signal processing. Two examples of CORDIC-based signal processing, such as FFT and SVD algorithms are surveyed in this paper. The fact that the common operator CORDIC is exploited in these algo...

Radar Signal Processing has been an interesting area of research for realization of programmable digital signal processor using VLSI design techniques. Digital Signal Processing (DSP) algorithms have been an integral design methodology for implementation of high speed application specific real-time systems especially for high resolution radar. CORDIC algorithm, in recent times, is turned out to...

The Jacobi algorithm for eigenvalue calculation of symmetric matrices can be performed with a CORDIC algorithm as its basic module. Recently, a simpliied Jacobi algorithm, by employing approximate rotations based on CORDIC rotations, was proposed. It fully exploits the binary data structure and reduces the overall computational cost signiicantly. In this paper an error analysis of the approxima...