tuning methods based on adaptive filtering

... that is commonly used in radio communications [15, pp 222-223] The model Page-2 presented in this thesis is based on [10] and its time variability effect is based on [6, 14, 15] One of the earliest ... (DPSK) modulation The receiver designs in the simulation and trial data analysis were based on combinations of least mean square (LMS) and recursive least square (RLS) algorithms with adaptive linear ... Cumulative Distribution Funtion CW Continuous Wave DFE Decision Feedback Equalizer DPSK Differential Phase Shift Keying FIR Finite Impulse Response FER Frame Error Rate GPS Global Positioning System...

Ngày tải lên: 26/11/2015, 13:03

... 5.3 Simulation Results 65 5.3.1 Asynchronous Channel 65 5.3.2 Rayleigh Fading Channel 69 5.4 Concluding Remarks CHAPTER CONCLUSIONS AND FUTURE WORK 71 72 6.1 Conclusions and Contributions 72 6.2 ... normally provided to the conventional detector and performs better than the conventional one Another one is an adaptive decision feedback PIC (ADFPIC), which applies a decision feedback scheme in ... in varied conditions, such as perfect power control, nearfar situation and multi-cell environment In addition, its BER performance is compared with the other three detectors: conventional detector,...

Ngày tải lên: 28/11/2015, 13:26

... simulated in similar situations The improvements of ANNAI -based heading control system compared to the conventional BP one are discussed Secondly, an adaptive ANNAI -based track control system for ship ... for dynamic positioning (DP) control The ANNAI controllers are used in parallel with a conventional proportional-derivative (PD) controller to adaptively compensate for the environmental effects ... of neuron i θi Threshold value of neuron i wij , w jp Weight of the output and hidden neurons g (x) The activation function of a neuron sig (x) Sigmoidal activation function of a neuron tan sig...

Ngày tải lên: 25/04/2016, 18:44

... conditional on pollution Keywords: Air pollution, carbon dioxide emissions, Environmental Kuznets Curve, convergence, distributional dynamics, mixed nonparametric and semiparametric regressions, ... la notion de beta-convergence dans la pollution, conditionnelle au PIB, ainsi que la beta-convergence dans le PIB, conditionnelle la pollution Mots clés : Pollution atmosphérique, émissions de ... (2004) are based on per capita emissions allocation schemes The Global Common Institute34 promotes an approach, dubbed ‘Contraction & Convergence’ (C&C), which consists in setting a long term sustainable...

Ngày tải lên: 15/03/2014, 16:20

... direct guidance, adaptive sorting of links, adaptive hiding of links, adaptive annotation of links, map adaptation [1] Therefore, many adaptive applications in education which based on techniques ... implementation with adaptive course generation system to generate adaptive course for each learner’s based on learner’s knowledge and learner’s learning goals represents in section Finally, conclusion ... focus on adaptation component for learning activities with adaptive activity annotation About adaptive content generation, we presented in [5] For adaptive activity annotation, we use different...

Ngày tải lên: 22/03/2014, 09:20

... international synposium on Information and communication technologies, 2004 [5] L Pelletier, J Almhana, and V Choulakian, "Adaptive Filtering of SPAM," Proceedings of the Second Annual Conference on ... Preference Filtering (Filtering points T1, T2) Preference Filtering (Filtering points T1, T2) Client Client-side Prefe rence Filtering (Filtering points T1, T2) Figure Preference based Filtering ... Rule -based filtering Rule -based filters assign a spam score to each email based on whether the email contains features typical of spam messages, such as keywords and HTML formatting like fancy fonts...

Ngày tải lên: 22/03/2014, 22:25

... respectively Second, we used the wrapper -based feature selection approach, in which the feature selection algorithm acts as a wrapper around the classification algorithm The wrapper -based approach conducts ... responders, and specificity, the proportion of correctly predicted nonresponders of all the tested non-responders To investigate the generalization of the prediction models produced by the above algorithms, ... http://www.translational-medicine.com/content/7/1/81 10 11 Conclusion In this study, we proposed several alternative methods for assessing models in genomic studies of CFS Our method was also based on the...

Ngày tải lên: 18/06/2014, 15:20

... best channel condition will be chosen first Then, for other connections, the one with highest priority level among the ones with best channel condition is chosen The selected connection can adapt ... the average resource consumption for AC, while our approach considers one more restriction: the practical symbol consumption If only for this reason, more new/handoff connections should be accepted ... nrtPS connections, because approach1 has no QoS consideration, approach2 causes the real-time connections preempting too much bandwidth for non-real-time connections, and approach3 does not consider...

Ngày tải lên: 21/06/2014, 00:20

... horizontal and vertical directions To carry out more accurate interpolation on these regions, region adaptive interpolation scheme which estimates the edge direction adaptive to the region types ... color Edge Region directional difference direction classification interpolation plane estimation Edge region EDT = {Ver, Hor, non} Spatial correlation Edge-pattern region Flat region Bayer color ... direction is not determined, the region is considered as a nonsharp edge region and these regions are investigated again in the following region classification step: Classification 3.1.2 Region Classification:...

Ngày tải lên: 21/06/2014, 08:20

... cyclostationarity matches the key feature of the gearbox vibration [18, 19], Cyclic Morlet Wavelet Correlation Filtering (CMWCF) is thus proposed, which, based on correlation filtering, constructs ... conclusions are drawn in Section are firstly identified to detect the impulse response Secondly, cyclic Morlet wavelet is constructed to detect the cyclic period between adjacent impulse responses ... for not only identifying the parameters of the impulse response but also detecting the cyclic period Adaptive Parameter Identification Based on Morlet Wavelet cx(t)ψγ (t) = In this section, a method...

Ngày tải lên: 21/06/2014, 08:20

... mentioned methods which rely on blind equalization, none or only heuristic values are given regarding the choice of an appropriate threshold Thirdly, the mentioned methods are nonadaptive Once ... “Super-exponential methods for blind deconvolution,” IEEE Transactions on Information Theory, vol 39, no 2, pp 504–519, 1993 EURASIP Journal on Advances in Signal Processing [30] P Pjrvi, Adaptive ... true/estimated noise cov matrix SEA filter at iteration k Reference Section 2.1 Section 2.1 Section 2.4 Section 3.8 Sections 2.1 and 2.6 Section 2.2 Methods 2.1 Model of Recorded Data In order to derive...

Ngày tải lên: 21/06/2014, 09:20

... optimization problem GA is implemented as a computer simulation in which a population of abstract representations of candidate solutions to an optimization problem evolves toward better solutions The ... operators: selection, crossover, and mutation [13] The process is repeated until a predefined condition is satisfied Once we have the genetic representation and the fitness function defined, pseudocode ... algorithm based on chaotic map for still images,” in Proceedings of the International Conference on Electrical Engineering and Informatics, 2007 [11] Z Dawei, C Guanrong, and L Wenbo, “A chaos-based...

Ngày tải lên: 21/06/2014, 16:20

... conservation and reducing communication conflict, we also assume that the same data packet using only one route to send Considering the average rate of data reception by single hop transmission, ... (6) EURASIP Journal on Wireless Communications and Networking Energy consumption (mJ) 0.25 critical condition of (7) and introduce the power control algorithm presented by Kwon H [13] The reliability ... Energy Prediction Mechanism Transmit data Receive data Figure 3: Energy consumption with different transmit power To have an intuitive expression on energy consumption of data transmission, let f =...

Ngày tải lên: 21/06/2014, 17:20

... used in conjunction with Pitch Determination Algorithms (PDA) in which the V/UV decision is made as part of the pitch determination problem, whereas the second includes solutions based on the value ... silence/background noise, stationary unvoiced, nonstationary unvoiced, onset, nonstationary voiced, or stationary voiced A multilevel approach is used for the classification decision, starting with a VAD, ... robust V/UV detection based on adaptive noise classification and SNR estimation In this paper we present an extended version of this work Specifically, the performance of the classification system is...

Ngày tải lên: 21/06/2014, 20:20

... delay In this section, we first find this efficient constraint based on the overall response analyses in the previous section Then we develop a new equalization algorithm based on the CMOV method ... that (41) has only one set of solutions θ and T(h ) Equation (41) is a set of linear equations with M +q + p(q +1) unknowns and M p equations when every component of γ is nonzero Considering T(h) ... conditions, we can have one and only one solution, that is, h = h So h is the only solution under our assumptions For colored input, if γ does not meet either of the above two conditions, the delay d...

Ngày tải lên: 21/06/2014, 22:20

... Section outlines the characteristics of the channel model considered along with a discussion that is related to samplespaced and fractional-spaced channel impulse response concerns In Section 3, ... interpolation along with the discussion regarding the selection of its order Section introduces simulation setups for various scenarios and presents corresponding performance results Finally, in Section ... interpolation operation is performed to recover it Hence, the interpolation is established by using a polynomial curve fitting that is based on linear model estimator The contributions of this...

Ngày tải lên: 21/06/2014, 22:20

... CSI It is shown that the mean number of iterations is a monotonically decreasing function of the channel conditions The discrete EURASIP Journal on Image and Video Processing 200 100 20 10 20 ... “Good error-correcting codes based on very sparse matrices,” IEEE Transactions on Information Theory, vol 45, no 2, pp 399–431, 1999 [15] G Lechner and J Sayir, On the convergence of log-likelihood ... codeblock have strong dependency on the error bit The mechanism is illustrated in Figure In this example, a codeblock in the LH subband of the second resolution (corresponding to the second packet in...

Ngày tải lên: 22/06/2014, 22:20

... 2 Honig et al proposed an adaptive blind LMS implementation of the MMSE-type receiver based on the concept of the constrained minimum output energy (CMOE) for multiuser detection An adaptive ... linguistic control strategy based on the characteristics of mobile radio channels into an adaptive parameter-control strategy By using the defuzzification, the fuzzy control decisions are converted ... conventional one, but produces a better performance in convergence and data demodulation Finally, the computational complexity, in terms of multiplications, additions, and special instructions,...

Ngày tải lên: 22/06/2014, 23:20

... architectures: (a) direct up-conversion architecture, (b) offset up-conversion architecture with baseband reconstruction, (c) offset up-conversion architecture with bandpass reconstruction of the transmitter ... architectures: direct up-conversion architecture, offset upconversion architecture with baseband reconstruction, and offset up-conversion architecture with bandpass reconstruction Simplified block diagrams ... voltage-controlled LO from the PA output Offset up-conversion transmitter architecture with baseband reconstruction Offset up-conversion transmitter architecture with bandpass reconstruction Low...

Ngày tải lên: 23/06/2014, 00:20

... research on multicast rate and congestion control Section sets the main lines of SARC, our new hybrid sender/receiver driven rate control based on a clustering algorithm The protocol functions to ... additional traffic congestion during transition periods corresponding to the latency for pruning a branch of the multicast tree RLC [12] is a TCP-compatible version of RLM, based on the generation ... Handley, J Padhye, and J Widmer, “Equationbased congestion control for unicast applications,” in Proc Conference of the Special Interest Group on Data Communication (ACM SIGCOMM ’00), pp 43–56, Stockholm,...

Ngày tải lên: 23/06/2014, 01:20