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cosine-modulated filter banks

Joint Source Channel Coding Based on Cosine Modulated Filter Banks for Erasure Resilient Signal Transmission

Joint Source Channel Coding Based on Cosine Modulated Filter Banks for Erasure Resilient Signal Transmission

... oversampled filter bank (OFB) codes, focusing on two families of codes based on cosine- modulated filter banks ...of filter bank and frame ...paraunitary filter ...

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Non-uniform cosine modulated filter banks using meta-heuristic algorithms in CSD space

Non-uniform cosine modulated filter banks using meta-heuristic algorithms in CSD space

... non-uniform cosine modulated filter banks (CMFB) using canonic signed digit (CSD) ...filter banks with less implementation complexity, power consumption and area requirements when compared with ...

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Design of Multiplier less Cosine Modulated Filter Banks with Sharp Transition using Evolutionary Algorithms

Design of Multiplier less Cosine Modulated Filter Banks with Sharp Transition using Evolutionary Algorithms

... In [14], they have used a modified FRM filter with non linear phase response as the prototype filter and their main aim was to reduce the arithmetic complexity. This paper is organized as follows. Section 2 gives a brief ...

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Design of multiplier-less sharp non-uniform cosine modulated filter banks for efficient channelizers in software defined radio

Design of multiplier-less sharp non-uniform cosine modulated filter banks for efficient channelizers in software defined radio

... filter banks, the spectrum is decomposed into equal ...the cosine modulation of the prototype filter and then merging appropriate filters of the resulting uniform filter bank ...

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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) ...(NPR) cosine modulated ...

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A Multiobjective Optimization Method for Designing M Channel NPR Cosine Modulated Filter Bank for Image Compression

A Multiobjective Optimization Method for Designing M Channel NPR Cosine Modulated Filter Bank for Image Compression

... uniform cosine modulated filter banks using genetic algorithm is discussed in this pa- ...channel filter bank as PSNRs don’t improve considerably, its imposition identifies infeasible ...

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Efficient Implementation of Complex Modulated Filter Banks Using Cosine and Sine Modulated Filter Banks

Efficient Implementation of Complex Modulated Filter Banks Using Cosine and Sine Modulated Filter Banks

... low-delay filter banks, whereas the MDFT-FB realization with polyphase filters is directly valid for biorthogonal filter ...prototype filter part for nearly PR filter ...

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An Efficient Nonuniform Cosine Modulated Filter Bank Design Using Simulated Annealing

An Efficient Nonuniform Cosine Modulated Filter Bank Design Using Simulated Annealing

... spacing filter bank using Simulated Annealing has been presented. The filter bank structure is obtained by merging the relevant bands of a uniformly shifted filter bank with integer sampling ...

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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

... the filter being inversely proportional to the transition bandwidth is generally very ...a cosine modulated filter bank designed in this way with direct design ...

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Optimal cosine modulated nonuniform linear phase FIR filter bank design via stretching and shifting frequency response of prototype filter

Optimal cosine modulated nonuniform linear phase FIR filter bank design via stretching and shifting frequency response of prototype filter

... filter banks. IV. C ONCLUSION This paper proposes a new direct optimal cosine modulated nonuniform linear phase FIR filter bank design based on both stretching and shifting the ...

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An Approach for Synthesis of Modulated-Channel FIR Filter Banks Utilizing the Frequency-Response Masking Technique

An Approach for Synthesis of Modulated-Channel FIR Filter Banks Utilizing the Frequency-Response Masking Technique

... prototype filter, and a general design procedure for this purpose is pre- ...conventional cosine modulated FBs as well as similar approaches, the proposed ones lower the over- all arithmetic ...

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A Subband Selective Broadband GSC with Cosine Modulated Blocking Matrix

A subband-selective broadband GSC with cosine-modulated blocking matrix

... (GDFT) filter banks [15], [16] with frequency responses shown in ...the filter banks are not ideal and finite transition bands are unavoidable, such that the number of dis- carded subbands ...

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Cosine-Modulated Multitone for Very-High-Speed Digital Subscriber Lines

Cosine-Modulated Multitone for Very-High-Speed Digital Subscriber Lines

... of filter-bank-based transmultiplexer systems that avoid ISI and ICI completely has been studied recently, for example, [41, ...designed filter banks, in general, are not based on a proto- type ...

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On the analysis and fast implementation of oversampled modulated filter banks

On the analysis and fast implementation of oversampled modulated filter banks

... Oversampled modulated lter banks (OSFBs) are popularly employed for a number of appliations suh as aousti eho anellation in order to redue the pro- essing omplexity of a signal proessing ...

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Cosine Modulated and Offset QAM Filter Bank Multicarrier Techniques: A Continuous-Time Prospect

Cosine Modulated and Offset QAM Filter Bank Multicarrier Techniques: A Continuous-Time Prospect

... However, we note that the main reason for using any multicarrier technique, including CMT and SMT, is to deal with frequency selective channels, that is, the channels whose gain vary across the frequency band and thus ...

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Flexible Frequency-Band Reallocation Networks Using Variable Oversampled Complex-Modulated Filter Banks

Flexible Frequency-Band Reallocation Networks Using Variable Oversampled Complex-Modulated Filter Banks

... Figure 18: Input 1 spectrum in Example 2. switch in this MIMO case is able to redirect information from any input beam to any output beam, as illustrated in the example below. If the FBR SISO network is designed as ...

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Final Project: Filter Design and Filter Banks

Final Project: Filter Design and Filter Banks

... • Explain how the filter size effects the stopband ripple. Why does it have this effect? Now download the noisy speech signal nspeech2.mat, and load it into the Matlab workspace. Apply the two filters with the ...

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FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks

FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks

... Two: Filter Bank-Based Multiplexer The conversion between the 40 TVWS channels and the baseband signal required for stage 1 is performed with the help of an oversampled DFT-modulated filter bank with ...

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Optimal Design of DFT Modulated Filter Bank

Optimal Design of DFT Modulated Filter Bank

... DFT-modulated filter bank with sharp transition band as a non-linear optimization has been formulated ...this filter is very expensive by the standard method ,and hence the frequency response ...

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Raised Cosine Interpolator Filter for Digital Magnetic Recording Channel

Raised Cosine Interpolator Filter for Digital Magnetic Recording Channel

... raised cosine pulse for digital magnetic recording channel is ...raised cosine interpolator with rolloff factor β between ...raised cosine interpolator over other interpolators is also demonstrated on ...

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