Detaylı Arama
İptal
Bulunan: 5 Adet 0.002 sn
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Filtreler
Filtreler
Bulunan: 5 Adet 0.002 sn
Tarih : 2012 ✕Dizin Platformu : WOS ✕
Koleksiyon [3]
İlgili Araştırmacılar [3]
Tam Metin [1]
Tür [2]
Yazar [3]
Alt Tür [1]
Alt Tür 1 [1]
Konu Başlıkları [19]
Açık Erişim Tarihi [1]
Tarih [1]
Dizin Platformu [1]
İsmi Geçen [2]
WOS Kategorileri [1]
Erişime Açık

A novel variable step size constant modulus algorithm employing cross correlation between channel output and error signal

Ali ÖZEN

A novel variable step size constant modulus algorithm (VSS-CMA) employing cross correlation between channel output and error signal has been proposed as a solution to the problem of slow convergence of CMA algorithm. The new algorithm resolves the conflict between the convergence rate and low steady state error of the fixed step-size conventional CMA algorithm. Computer simulations have been performed to verify the performance of the proposed method in frequency selective Rayleigh fading channels. The proposed technique has been compared with the popular non-blind equalizer, Least Mean Squares ...Daha fazlası

Bildiri 2012 IEEE 35th International Conference on Telecommunications and Signal Processing, TSP 2012 , pp. 6 - 683 14 Görüntülenme
Erişime Açık

Novel cascaded turbo-permutation coding for frequency selective rayleigh fading channels

Ali ÖZEN

Novel cascaded coding method is proposed to overcome inter symbol interference (ISI), composed of frequency selective Rayleigh fading channels in this paper. The proposed method consists of combined Turbo Coding (TC), Permutation Coding (PC) and M-FSK modulation. Computer simulations are performed to verify the efficiency of the proposed method (TPC) and compare with Reed-Solomon and Convolutional Coding (RS-CC) and Turbo coding (TC) in frequency selective Rayleigh fading channels. In fact, PC helps to remove the error floor of an equalizer and M-FSK helps to recover data in highly noisy envir ...Daha fazlası

Bildiri 2012 2012 35th İnternational Conference On Telecommunications And Signal Processing (Tsp) , pp. 2 - 241 10 Görüntülenme
Erişime Açık

A Novel Variable Step Size Adjustment Method Based on Autocorrelation of Error Signal for the Constant Modulus Blind Equalization Algorithm

Ali ÖZEN

A novel variable step size constant modulus algorithm (VSS-CMA) based on autocorrelation of error signal has been proposed to improve the weakness of previous VSSCMAs for application to blind equalization in this paper. Computer simulations have been performed to illustrate the performance of the proposed method in frequency selective Rayleigh fading channels. The obtained simulation results using WiMAX (IEEE 802.16-2004) radio standard have demonstrated that the proposed VSS-CMA algorithm has considerably better performance than conventional CMA, normalized CMA (NCMA) and the other VSS-CMA al ...Daha fazlası

Makale/Derleme 2012 Radioengineering Journal 6 Görüntülenme
Erişime Açık

Effects of soybean biodiesel on engine vibration and noise emission

Serhan YAMAÇLI

In this study, an algebraic current-voltage (I-V ) equation suitable for the hand-calculation of ballistic nano conductors is derived from Landauer’s formulation. A voltage and temperature dependent resistance expression is also obtained. It is shown that the presented algebraic I-V expression and the original Landauer’s formula give the same characteristics as expected. Moreover, the I-V characteristics of ballistic nano conductors are investigated and it is concluded that there is an inescapable nonlinearity originating from the curvature of Fermi-Dirac distribution function in low voltage r ...Daha fazlası

Makale/Derleme 2012 Energy Education Science and Technology Part A: Energy Science and Research 11 Görüntülenme
Erişime Açık

ANFIS models for synthesis of micro-coplanar stripline and asymmetric coplanar stripline with an infinitely wide strip

Kerim GÜNEY

In this letter, computer-aided design models based on adaptive-network-based fuzzy inference system (ANFIS) for the synthesis of two coplanar stripline structures are presented. These coplanar stripline structures are micro-coplanar stripline and asymmetric coplanar stripline with an infinitely wide strip. Four optimization algorithms, hybrid learning (HL), simulated annealing, least-squares, and genetic, are used to determine optimally the design parameters of the ANFIS models. The results of ANFIS models are compared with the results of quasi-static analysis, synthesis formulas available in ...Daha fazlası

Makale/Derleme 2012 Mıcrowave And Optıcal Technology Letters 8 Görüntülenme
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