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The main objective of this concept is to design a memory efficient FFT processor with low power consumption. Enhanced memory addressing scheme is proposed to deal with these complex and higher radix FFT processors. Dual port merged bank memory is designed in-order to deal with memory based FFT processors. Each and every butterfly unit needs one memory to store those computational permutations. So,...
Most of the VLSI applications, such as DSP, image and video processing, and microprocessors use carry select adder (CSLA) for arithmetic functions. From the structure of regular SQRT CSLA, still there is possibility to obtain better design in which optimization of area, power are to be major concentrations along with high speed performance. One of the existing solutions used in SQRT CSLA is replacement...
Unmanned Air Vehicles (UAVs) have become an intelligent asset for surveillance, target tracking and reconnaissance in both urban and battlefield settings. This paper gives a framework for scale weight selection during feature extraction in aerial images from UAV. Dual-Tree Complex Waveform technique is used to extract rich feature descriptors of keypoints in images so that full phase and amplitude...
An iterative method for the design of two-band quadrature mirror filter (QMF) banks proposed by Cruesere and Mitra is examined and improved by designing the prototype filters using window method instead of equiripple method. The Kaiser window and Chebyshev window functions are used in the design of prototype filters. The cut-off frequency has been adjusted in this improved method instead of passband...
In this paper, we consider the synthesis of decentralized dynamic compensators for large systems. The eliminant approach is used to obtain sufficient conditions for the existence of proper, stable, decentralized observer-controllers for stabilizing a large system. An illustrative example is given.
In this paper we consider the decentralized stabilization problem for a class of large systems formed by the dynamic interconnection of several multivariable systems. For this structured class of systems, we establish the conditions under which the interconnected system is controllable and observable. We then simplify and interpret these conditions to obtain simple sufficient conditions in terms of...
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