Adaptive Processing in the Frequency Domain
Adaptive Frequency Domain Block Processing for Color Image Compression
... an adaptive frequency domain block processing for color image compression has proposed and examined based on its PSNR performance in MATLAB image processing ...
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ADAPTIVE PROCESSING IN HIGH FREQUENCY SURFACE WAVE RADAR
... multistage processing ap- proach to the AMF, it is interesting to note that the FFA actually constitutes a more general theme that can be applied to a variety of other STAP algorithms, including the JDL, D 3 , and ...
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An effective and robust fingerprint enhancement by adaptive filtering in frequency domain
... Fig. 2. A fingerprint image with marked singularities, minutiae and the frequency spectrums corre- sponding to the local regions. neighbourhood of each pixel during its processing. Typicall algorithms from ...
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Frequency-Domain Adaptive Algorithm for Network Echo Cancellation in VoIP
... that frequency-domain adaptive filtering such as the fast-LMS (FLMS) algorithm [17] o ff ers an attrac- tive means of achieving e ffi cient ...time-domain adaptive filtering algorithms, ...
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SGD Frequency-Domain Space-Frequency Semiblind Multiuser Receiver with an Adaptive Optimal Mixing Parameter
... It has been proven in [18], [19], that this technique pro- vides superior performance over blind or pilot-based ones. An optimal linear semiblind receiver in the form of mini- mum mean square error (MMSE) [20] and the ...
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Sparse Adaptive Frequency Domain Equalizers for Mode-Group Division Multiplexing
... Index Terms—Sparse adaptive equalizer, mode-group multi- plexing, active taps mask. I. I NTRODUCTION I N order to meet the annual growth in traffic rate, space- division multiplexing (SDM) has been widely studied ...
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Adaptive frequency-domain equalization for the transmission of the fundamental mode in a few-mode fiber
... In the paper, instead of suppressing inter-mode coupling using pure optical techniques, MPI is compensated using digital signal processing (DSP)-based adaptive equalization in the electronic domain ...
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Load-Balanced Implementation of a Delayless Partitioned Block Frequency-Domain Adaptive Filter
... partitioned frequency- domain adaptive ...unbalanced processing load. The cumulated processing time per sample with a block length of L = 64 is shown in ...
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Noise cancellation over spatial regions using adaptive wave domain processing
... and frequency- domain [9, 10] algorithms have been implemented in the multi- channel ANC ...the frequency domain has been widely used in prac- tice ...
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Adaptive Multicarrier Modulation: A Convenient Framework for Time Frequency Processing in Wireless Communications
... 1) Peak-to-Mean Power Ratio: It is plausible that the OFDM signal—which is the superposition of a high number of modulated subchannel signals—may exhibit a high instantaneous signal peak with respect to the average ...
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Mammogram enhancement using quadratic adaptive Volterra filter A comparative analysis in spatial and frequency domain
... Morphological Processing, Median Filtering, Anisotropic Diffusion Filtering, Bilateral Enhancement, Homomorphic Filtering [6] and many ...and Adaptive gain control (AGC) gave better PSNR and MSE in ...
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Introduction to Frequency Domain Processing 1
... F n e jn100t and plotted with real and imaginary parts as in Fig. 3. The values of the Fourier coefficients, in any of the three above forms, are effectively measures of the amplitude and phase of the harmonic component ...
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Adaptive Fractal Image Coding in the Frequency Domain
... cut-off frequency below π ...the domain block directly above or close to the position of the range block to be ...optimized adaptive search ...
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Equivalence between Frequency Domain Blind Source Separation and Frequency Domain Adaptive Beamforming for Convolutive Mixtures
... 3. FREQUENCY-DOMAIN ABF Here, we consider the frequency-domain ABF which can re- move a jammer signal. Since our aim is to separate two sig- nals S 1 and S 2 with two microphones, we use two ...
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Domain Based Categorisation Using Adaptive Pre processing
... A. Algorithm There are different types of neural networks, but they are generally classified into feed-forward and feed-back networks. A feed-forward network is a non-recurrent network which contains inputs, outputs, and ...
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Broadband Beamspace DOA Estimation: Frequency-Domain and Time-Domain Processing Approaches
... reference frequency, f 0 = 0 . 3125 (The normalized sampling frequency was ...33 frequency bins are shown in Figure 3(a). The varia- tion with frequency of the beampattern directed towards 0 ◦ ...
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Frequency Domain Design Frequency Domain Design
... We next turn to a set of frequency domain integrals which are closely related to the Bode type integrals presented above but which allow us to consider RHP open loop poles and zeros simu[r] ...
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Adaptive Design of Color Filter Arrays by using the Frequency Domain Approach
... the frequency structure candidates we are using a multi-objective optimization, by using this overlapping between the mosaicked frequency image components with the CFA is ...Arbitrary frequency ...
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Speech processing in the watermarked domain: application in adaptive acoustic echo cancellation
... 2. WATERMARKED AEC The proposed WAEC aims at exploiting the good tran- sient and steady state performance of adaptive filters in pre- sence of an uncorrelated stationary input. Therefore, the structure of a ...
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Project 0: Part 2 A second hands-on lab on Speech Processing Frequency-domain processing
... We can see that using a long window in time on a voiced segment gives a STFT that consists of a set of narrow ”harmonic” lines - whose width is determined by the Fourier transform of the window - which are shaped by the ...
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