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This paper proposes new structures for realizing 1D and circular symmetric 2D FIR filters with variable cutoff frequencies. They are based on the interpolation of the impulse responses using the Farrow structure. The coefficients of the sub-filters in the Farrow structure are represented in sum-of-powers-of-two (SOPOT) coefficients. which can easily be implemented as simple shifts and additions...

A novel computationally highly e cient realization of sharp symmetrical bandstop FIR lter is proposed. The new structure is derived using the frequency-response-masking technique, where the bandedge-shaping lter is derived from half-band lter by substituting each delay of the half-band lter by M delays. The masking lters are unconventional. They are quadrature lters derived from linear combinat...

Abstract—Impulse response of an ultra wide band (UWB) antenna is one of the most important parameters, which in turn helps in deriving other important antenna parameters like gain, antenna factor etc. The excitation input pulse to the antenna is a Gaussian pulse of finite width, hence to get antenna impulse response, far zone electric field data needs to be deconvolve with the input excitation ...

Abstract—In signal processing, there are mainly two types of filters exist and the are Finite Impulse Response(FIR) filter and Infinite Impulse Response(IIR) filter. Finite Impulse Response(FIR) filter can be designed form Infinite Impulse Response(IIR) filter by various techniques. The widely used technique is the window technique. In this paper, the designing analysis of FIR filter are shown ...

Modeling of dynamical properties of highly complex and interconnected systems becomes important in different fields of science. When identifying the structure and dynamics of a network of interconnected dynamical systems, including cause-effect relations, there is a tendency to use nonparametric or FIR models of the output error type. In this paper it is shown, and illustrated by some simple ex...

This paper examines the problem of designing the optimal hybrid form FIR filter subjected to a minimum cycletime constraint. We formulate the problem as one of determining the optimal partitioning of the hybrid form FIR filter into subsections. Each subsection can be optimized independently using other methods. We then show how the problem can be solved efficiently using a dynamic programming a...

Providing support for users during their search sessions has been hailed as a major challenge in interactive information retrieval (IIR). Providing such support requires considering the context of the search and facilitating the work task at hand. In this paper, we consider the work tasks associated with air traffic analysts, who perform numerous searches using a multifaceted search interface i...