• No results found

Cosine Modulated Filter Bank

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

... NPR cosine modulated filter ...designed filter banks for 8 channel with 16 and 24 taps, with and without dc leakage condition are plotted in Figure 2 and Figure ...the filter but is ...

9

An Efficient Nonuniform Cosine Modulated Filter Bank Design Using Simulated Annealing

An Efficient Nonuniform Cosine Modulated Filter Bank Design Using Simulated Annealing

... Non-uniform Filter Banks (NUFBs) are used in several applications such as audio and image signal proc- essing, biomedical signal processing, hearing aid instru- ments because of their flexibility in partitioning ...

9

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 ...

6

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

... exponentially modulated filter bank (EMFB) is a 2M-channel uniform, orthogonal, critically sampled, and frequency-selective complex modulated filter bank that satisfies the ...

10

Quantized Coefficient F.I.R. Filter for the Design of Filter Bank

Quantized Coefficient F.I.R. Filter for the Design of Filter Bank

... work, Cosine Modulated filter bank is used for the design of filter bank and then by rounding operation we have tried to reduce the computational complexity for the designed ...

7

Analysis and Properties of Time-Varying Modified DFT Filter Banks

Analysis and Properties of Time-Varying Modified DFT Filter Banks

... with cosine-modulated filter banks, the DFT polyphase filter bank has advantages such as lin- ear phase, complex-valued signal processing, and better frequency characteristics in each ...

15

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

... proposed. Conventional FRM filter is used as the prototype filter. FRM approach results in a tremendous amount of reduction in the number of multipliers because of the large number of sparse coef- ficients [5]. To further ...

9

A Subband Selective Broadband GSC with Cosine Modulated Blocking Matrix

A Subband Selective Broadband GSC with Cosine Modulated Blocking Matrix

... -channel filter bank with decimation ratio ...adaptive filter is operated, and a synthesis filter bank, labeled , recombines the different subsystem outputs to the full-band output ...

8

Analysis of Filter Bank Based Methods for Fast Serial Acquisition of BOC Modulated Signals

Analysis of Filter Bank Based Methods for Fast Serial Acquisition of BOC Modulated Signals

... and cosine BOC properties, see [3, 4]). The acqui- sition of BOC-modulated signals is challenged by the pres- ence of several ambiguities in CF envelope (here, CF refers to the correlation between the ...

11

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

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

... prototype filter of the filter ...sine-modulated filter bank (SMFB) is proposed to avoid ...plex modulated (such as QAM—quadrature amplitude mod- ulated) ...

16

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 ...

15

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

... The derivations and discussions so far were based on the assumption that the channel was ideal, that is, a channel with a constant gain and a constant group delay across the frequency band that includes all the ...

16

Performance Evaluation of PAPR Reduction Techniques in Filter Bank Based Multicarrier Systems in AWGN and Fading Channels

Performance Evaluation of PAPR Reduction Techniques in Filter Bank Based Multicarrier Systems in AWGN and Fading Channels

... and modulated signals are fed to synthesis filter ...resulting filter bank based multicarrier signal is transmitted over an AWGN, Rayleigh or Rician ...analysis filter bank and ...

10

A Novel Approach to the Design of Oversampling Low-Delay Complex-Modulated Filter Bank Pairs

A Novel Approach to the Design of Oversampling Low-Delay Complex-Modulated Filter Bank Pairs

... low-delay filter banks have been suggested in ...DFT filter banks has been proposed, which allows for controlling the distortion function for each frequency and jointly minimizes aliasing and ...both ...

13

Outline of the Paper: Section-II shows oversampled

Outline of the Paper: Section-II shows oversampled

... oversampled filter banks (OFB) whose number of channels are greater than their subsampling factor, have gained great interests recently, because they can provide more degree of design freedom, residual redundancy ...

6

Design of M Band NPR Cosine Modulated Filterbank Using IFIR Technique

Design of M Band NPR Cosine Modulated Filterbank Using IFIR Technique

... The accuracy of the first approximation gives aliasing and accuracy of the second gives the reconstruction error. The phase error can be eliminating completely by using linear phase prototype filter. Other two ...

9

A Novel Design of Modulated Switched Filter Compensator (MSFC) Scheme for the Power Quality Improvement of Smart Grid
K Prasannakumar & R Suresh

A Novel Design of Modulated Switched Filter Compensator (MSFC) Scheme for the Power Quality Improvement of Smart Grid K Prasannakumar & R Suresh

... power filter compensator with the self regulating dynamic error driven controller is an attractive and viable solution for dynamic voltage stabilization, power factor correction, power quality enhancement , ...

9

A Non Maximally Decimated Dynamic Reconfigurable Channelized Structure  Based on Modulated Filter Bank

A Non Maximally Decimated Dynamic Reconfigurable Channelized Structure Based on Modulated Filter Bank

... In this paper, we propose a non-maximally decimated dynamic reconfigurable channelized structure based on the modulated filter banks. The received signal firstly goes through the decimation module to reduce ...

11

Analysis of OFDM system by using pulse shaping filters for DSP applications

Analysis of OFDM system by using pulse shaping filters for DSP applications

... solutions that have been suggested. The OFDM job is to convert a selective frequency channel into a group of frequency-flat sub-channels with partially overlapping spectra. This is achieved by splitting the input ...

6

Parametric Coding of Stereo Audio

Parametric Coding of Stereo Audio

... or filter bank that generates individual time/frequency ...or filter bank should be over- sampled, since time- and frequency-dependent changes will be made to the signals which would lead to ...

18

Show all 10000 documents...

Related subjects