maximum likelihood decoding algorithm
Báo cáo sinh học: " Research Article Maximum-Likelihood Semiblind Equalization of Doubly Selective Channels Using the EM Algorithm" docx
... simulation results for the following equaliza-tion algorithms.(i) Maximum Likelihood equalization using perfectchannel knowledge.(ii) Maximum likelihood equalization with channel esti-mation ... gi,Q−1]T.3. The Baum-Welch Algorithm for Equalizationof Doubly Selective ChannelsIn this section, we present our new algorithm for semi-blind maximum- likelihood joint channel estimation ... decisions, several MAP-based algorithmscombined with recursive, RLS-based, channel estimationwere proposed [19–22]. The combination of MAP decoding and maximum likelihood channel estimation...
- 14
- 268
- 0
Tài liệu Bài 9: ICA by Maximum Likelihood Estimation ppt
... pdf at all.9.2 ALGORITHMS FOR MAXIMUM LIKELIHOOD ESTIMATIONTo perform maximum likelihood estimation in practice, we need an algorithm toperform the numerical maximization of likelihood. In ... 9ICA by Maximum Likelihood EstimationA very popular approach for estimating the independent component analysis (ICA)model is maximum likelihood (ML) estimation. Maximum likelihood estimation ... is actually equal to the likelihood. This means thatinfomax is equivalent to maximum likelihood estimation.9.4 EXAMPLESHere we show the results of applying maximum likelihood estimation to...
- 17
- 364
- 0
Báo cáo khoa học: "Jointly optimizing a two-step conditional random field model for machine transliteration and its fast decoding algorithm" pdf
... 2.3.3 Fast decoding algorithm As introduced in the previous subsection, in thewhole decoding process we have to perform n-bestCRF decoding in the segmentation step and 10 n-best CRF decoding ... measurements.Our experiments also show that the decoding time can be reduced significantly via using our fast decoding algorithm. As we have explained, with-out fast decoding, we need 11 CRF n-best decod-ing ... candidateswith low probabilities. Here we propose a no-lossfast decoding algorithm for deciding when to stopperforming the second CRF decoding. Suppose we have a list of segmentation candi-dates...
- 6
- 419
- 0
Báo cáo khoa học: "Decoding Algorithm in Statistical Machine Translation" pptx
... efficient decoding algorithm, a statistical machine translation system may miss the best translation of an input sentence even if it is perfectly predicted by the model. 2 Stack Decoding Algorithm ... USA {yyw, waibel}@cs, cmu. edu Abstract Decoding algorithm is a crucial part in sta- tistical machine translation. We describe a stack decoding algorithm in this paper. We present the hypothesis ... cle, so far there have no publications devoted to the decoding issue for statistical machine translation. On the other side, decoding algorithm is a crucial part in statistical machine translation....
- 7
- 270
- 0
Báo cáo hóa học: " Error analysis and implementation considerations of decoding algorithms for time-encoding machine" ppt
... stitching algorithm fortime decoding machines. IEEE Trans on Circuits Syst I. 55, 2619–2630 (2008)4. AA Lazar, EK Simonyi, LT Tóth, A Toeplitz formulation of a real-time algorithm for time decoding ... to nonuniform sampling that requires computationallycomplex decoding algorithms to recover the input signals. In the encoding and decoding process, many non-idealities in circuits and the computing ... of the bases used previously in the existing decoding algorithms is proposed.A detailed study of the non-idealities encountered inthe encoding and decoding process is carried out andreported...
- 9
- 303
- 0
Báo cáo sinh học: " Research Article Inverse Modeling of Respiratory System during Noninvasive Ventilation by Maximum Likelihood Estimation" doc
... Processing,Prentice-Hall, Englewood Cliffs, NJ, USA, 1993.[12] T. T. Pham and R. J. P. DeFigueiredo, Maximum likelihood estimation of a class of non-Gaussian densities with appli-cation to Lp deconvolution,” ... Processing, vol. 37, no. 1, pp. 73–82, 1989.[13] B. T. Sieskul and S. Jitapunkul, “An asymptotic maximum likelihood for estimating the nominal angle of a spatiallydistributed source,” International ... logarithmic likelihood func tion with respectto σ2r:∂ logLy1:N; Θ, σr, pr∂σr= 0. (11)With the help of the conditional probability theorem, by(10), the logarithmic likelihood...
- 12
- 265
- 0
Báo cáo hóa học: " Research Article Maximum Likelihood DOA Estimation of Multiple Wideband Sources in the Presence of Nonuniform Sensor Noise" pdf
... space, we propose the followingtwo novel algorithms to reduce the complexity.4.1. Stepwise-concentrated maximum likelihood algorithm (SC-ML)The first proposed algorithm is based on the technique ... dif-ferent algorithms have been proposed. The first algorithm isbased on an iterative procedure which stepwise concentratesthe log -likelihood function, while the second is a noniter-ative algorithm ... solved. Many numerical algorithms designed for solv-ing (11) in the literature can be easily modified to carry outstep 1.4.2. Approximately concentrated maximum likelihood algorithm (AC-ML)In...
- 12
- 266
- 0
Báo cáo hóa học: " Research Article Maximum Likelihood Timing and Carrier Synchronization in Burst-Mode Satellite Transmissions" pot
... either the frequencyor time domain. The Rife and Boorstyn (R&B) algorithm [10] belongs to the former class and provides maximum like-lihood (ML) estimates of frequency and phase errors by ... determines the locationνMof the maximum over this set. The second step (fine search) makes an inter-polation between the samples P(νn) and computes the local maximum nearest toνM. It should ... sin(πε). (22)In the sequel the algorithm based on (20)–(22) is calledthe ML estimator (MLE).3.2. Remarks(1) Contrarily to what one might fear, the maximization ofthe likelihood function Λ(ν,...
- 8
- 425
- 0
Báo cáo hóa học: " Research Article An Iterative Decoding Algorithm for Fusion of Multimodal Information" ppt
... iterative algorithm remains the same asbefore.6. EXPERIMENTAL VERIFICATION OF THE ITERATIVE DECODING ALGORITHM In this section, we present the results of applying the itera-tive decoding algorithm ... simplermodels and updating their posterior probabilities.4. ITERATIVE DECODING ALGORITHM This is a direct application of the turbo decoding algorithm [18]. In this section, it is assumed that the hidden ... a few specificvisemes and vice versa.5.1. Iterative decoding algorithm in the general caseThis is an extension of the iterative decoding algorithm aspresented in the turbo coding scenario....
- 10
- 257
- 0
Báo cáo hóa học: " Research Article Maximum Likelihood DOA Estimation of Multiple Wideband Sources in the Presence of Nonuniform Sensor Noise" doc
... space, we propose the followingtwo novel algorithms to reduce the complexity.4.1. Stepwise-concentrated maximum likelihood algorithm (SC-ML)The first proposed algorithm is based on the technique ... dif-ferent algorithms have been proposed. The first algorithm isbased on an iterative procedure which stepwise concentratesthe log -likelihood function, while the second is a noniter-ative algorithm ... solved. Many numerical algorithms designed for solv-ing (11) in the literature can be easily modified to carry outstep 1.4.2. Approximately concentrated maximum likelihood algorithm (AC-ML)In...
- 12
- 196
- 0
Báo cáo hóa học: " Research Article A Maximum Likelihood Estimation of Vocal-Tract-Related Filter Characteristics for Single Channel Speech Separation" doc
... un-derlying signals.Now we apply fy(y) in a maximum likelihood frame-work to estimate the parameters of the underlying signals.The main objective of the maximum likelihood estimator isto find the kth ... multipitchdetection, and maximum likelihood estimation in which weformulate the proposed approach. In particular, we followthe procedure for obtaining the maximum likelihood estima-tor by ... estimate of the un-derlying signals’ vocal-tract-related filters using the obtainedPDF in a maximum likelihood framework. In Table 2,nota-tions and definitions which are frequently used in this...
- 15
- 345
- 0
Báo cáo hóa học: " Two-Stage Maximum Likelihood Estimation (TSMLE) for MT-CDMA Signals in the Indoor Environment" doc
... Two-Stage Maximum Likelihood Estimation for MT-CDMA 59functions; the superscripts −1 and 0 on the data symbols ... Gn(G-terms with sub-scripts n), and current data bit Iq1,n, is Gaussian with theTwo-Stage Maximum Likelihood Estimation for MT-CDMA 57Serial datastreamDataencoderSerial-to-parallel dataconverterexp( ... S2/2σ2r,rep-resents the ratio of the power associated with the direct pathTwo-Stage Maximum Likelihood Estimation for MT-CDMA 63128/8256/16Coherent systemTSMLE-based system0 5 10...
- 12
- 290
- 0
Báo cáo hóa học: " Maximum Likelihood Turbo Iterative Channel Estimation for Space-Time Coded Systems and Its Application to Radio Transmission in Subway Tunnels" potx
... reception, optimum maximum likelihood (ML) decoding can be carried out by consideringthe hypertrellis associated with the concatenation of the twocomponent codes. Obviously, such a decoding approach ... asuboptimal, but very powerful, decoding scheme termed it-erative maximum a posteriori (MAP) decoding [3, 4]. Basi-cally, the method relies on independently decoding each ofthe component codes ... estimation fromthe EM algorithm (not from the Turbo structure itself). No-tice that one iteration of the EM algorithm (19)isperformedonly after one complete equalization and decoding step. Any-way,...
- 13
- 390
- 0
Báo cáo hóa học: " Estimation of Road Vehicle Speed Using Two Omnidirectional Microphones: A Maximum Likelihood Approach" doc
... nextsection, which will be shown to compare favorably to the in-direct method of [15].3. APPROXIMATE MAXIMUM LIKELIHOOD ESTIMATE3.1. DerivationConsider first the problem of estimating v0without knowl-edge ... pp. 67–94, 1996.[10] J. W. Betz, “Comparison of the deskewed short-time cor-relator and the maximum likelihood correlator,” IEEETrans. Acoustics, Speech, and Signal Processing, vol. 32, no. 2,pp. ... Trans. Acoustics,Speech, and Signal Processing, vol. 29, no. 3, 1981.[13] J. A. Stuller, Maximum- likelihood estimation of time-varying delay—part I,” IEEE Trans. Acoustics, Speech, and Sig-nal...
- 19
- 267
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008