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filter banks

On implementation and design of filter banks for subband adaptive systems

On implementation and design of filter banks for subband adaptive systems

... CONCLUSIONS We have shown that GDFT filter banks can enable highly efficient subband adaptive filter schemes, by extending the polyphase realization of the filter banks t o the case of g[r] ...

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Discriminative frequency filter banks learning with neural networks

Discriminative frequency filter banks learning with neural networks

... ter banks can also be trained discriminatively using Fisher discriminant analysis (FDA) method ...Standard filter banks computed in the time domain have been simulated using unsupervised ...

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Quaternionic Lattice Structures for Four-Channel Paraunitary Filter Banks

Quaternionic Lattice Structures for Four-Channel Paraunitary Filter Banks

... A novel approach to the design and implementation of four-channel paraunitary filter banks is presented. It utilizes hypercomplex number theory, which has not yet been employed in these areas. Namely, ...

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Design of Dynamic Reconfigurable Structure Based on Integrated Filter Banks

Design of Dynamic Reconfigurable Structure Based on Integrated Filter Banks

... analysis filter group to divide the signal band is the first part of the reconstruction of the broadband ...modulation filter banks in- clude cosine modulation and complex exponential ...modulation ...

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A Multistage Approach to the Design of Prototype Filters for Modulated Filter Banks

A Multistage Approach to the Design of Prototype Filters for Modulated Filter Banks

... Digital Subscriber Line (xDSL) applications use a multicarrier modulation technique called as Discrete Multitone (DMT) for the purpose of high bit rate transmission over the commonly used twisted pair copper wires. This ...

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On implementation and design of filter banks for subband adaptive systems

On implementation and design of filter banks for subband adaptive systems

... CONCLUSIONS We have shown that GDFT filter banks can enable highly efficient subband adaptive filter schemes, by extending the polyphase realization of the filter banks t o the case of g[r] ...

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Design of Optimal Quincunx Filter Banks for Image Coding

Design of Optimal Quincunx Filter Banks for Image Coding

... Filter banks have proven to be a highly effective tool for im- age coding applications ...desires filter banks to have perfect reconstruction (PR), linear-phase, high coding gain, good ...

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Analysis and Properties of Time-Varying Modified DFT Filter Banks

Analysis and Properties of Time-Varying Modified DFT Filter Banks

... MDFT Filter Banks. The basis of filter bank design is its PR ...time-varying filter bank is introduced in ...synthesis filter coefficients in the transient period from one MDFT ...

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Are the Wavelet Transforms the Best Filter Banks for Image Compression?

Are the Wavelet Transforms the Best Filter Banks for Image Compression?

... a filter bank, the remaining degrees of freedom can be used for gain optimiza- tion (see (6)), or more importantly, to achieve subjectively good ...Typically, filter banks are designed to mini- mize ...

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Optimization algorithms for realizable signal-adapted filter banks

Optimization algorithms for realizable signal-adapted filter banks

... Filter banks are common systems that arise in the study of multirate digital signal processing [67, 13] and wavelet theory [32, ...filter banks in this manner to remove the redundancy present in the ...

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Design of Near Perfect Reconstruction Oversampled Filter Banks for Subband Adaptive Filters

Design of Near Perfect Reconstruction Oversampled Filter Banks for Subband Adaptive Filters

... oversampled filter banks (OSFB’s), i.e., filter banks which generate redundancy in the ...prototype filter. If the prototype filter possesses a high stopband attenuation, then ...

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Analysis on Multichannel Filter Banks-Based Tree-Structured Design for Communication System

Analysis on Multichannel Filter Banks-Based Tree-Structured Design for Communication System

... multichannel filter banks using MATLAB. The multichannel filter banks analysis are evaluated by the Digital Signal Processing (DSP) ...the filter is to attenuate unwanted periodic ...

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Frame-Based Multiple-Description Video Coding with Extended Orthogonal Filter Banks

Frame-Based Multiple-Description Video Coding with Extended Orthogonal Filter Banks

... nel filter. On the other hand, since orthogonal filter banks are ubiquitously used in subband and transform coding, the results we present in this paper can be used for the exten- sion of other ...

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Design of Reconfigurable Nonuniform Digital Filter Banks based on Coefficient Decimation Method_Review

Design of Reconfigurable Nonuniform Digital Filter Banks based on Coefficient Decimation Method_Review

... analysis filter banks (FBs) are used to adopt two crucial tasks; channelization followed by spectrum ...a filter structure with low computational ...

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Effective Utilization of Radio Channels Using Polyphase Filter Banks

Effective Utilization of Radio Channels Using Polyphase Filter Banks

... a filter bank. Placing the code into the controlling element of the filter banks required selection of the channels for allocating the voice and data channels are ...

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Optimized Paraunitary Filter Banks for Time-Frequency Channel Diagonalization

Optimized Paraunitary Filter Banks for Time-Frequency Channel Diagonalization

... of filter banks for specific objective functions and constraints can sometimes be formulated as a convex optimization (CO) problem ...multirate filter bank, in [16] for the design of pulse shapes ...

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Filter Banks from the Fibonacci Sequence

Filter Banks from the Fibonacci Sequence

... In this note, we adopt the Hadamard product of the Fibonacci sequence and a geometric sequence to construct a type of Fibonacci-based bi-orthogonal filter banks. These filters are essentially rational ...

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Estimation of Upper Bound for Order of Filters used in Perfect Reconstruction Filter Banks

Estimation of Upper Bound for Order of Filters used in Perfect Reconstruction Filter Banks

... design filter banks used for different applications [9] [13] [16]. Filter banks are used in receiver systems in communications where the signals encoded with different carrier frequencies are ...

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Cosine Modulated Non Uniform Filter Banks

Cosine Modulated Non Uniform Filter Banks

... non-uniform filter bank (NUFB) are usually complex; involve complicated nonlinear optimiza- tion with a large number of parameters and lack of linear phase (LP) ...modulated filter banks with ...

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Designing digital filter banks using wavelets

Designing digital filter banks using wavelets

... The analysis of signals by filter banks requires minim- ally filtering techniques using Fourier analysis [18], which use complex sinusoids as basis functions. How- ever, a difficulty that has often been ...

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