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EMfor_neural_networks
- In this demo, I use the EM algorithm with a Rauch-Tung-Striebel smoother and an M step, which I ve recently derived, to train a two-layer perceptron, so as to classify medical data (kindly provided by Steve Roberts and Will Penny from EE, Imperial Co
ldpcber
- This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collecti
EM_GM
- ％ EM algorithm for k multidimensional Gaussian mixture estimation ％ ％ Inputs: ％ X(n,d) - input data, n=number of observations, d=dimension of variable ％ k - maximum number of Gaussian components allowed ％ ltol - percentage of the log likeli
LDPC_BSN
- This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collecti
ldpcdecoder
- ldpc decode c程序 Iterative probabilistic decoding of linear block codes.Based on Pearl s Belief Propagation in Bayesian Networks.This version utilizes object to define graph nodes and LOG-LIKELIHOOD RATIOS. Much improved in terms of speed compared t
LLR_compute
- 由4个.m文件组成，用于16QAM和64QAM调制的软信息的提取-By 4. M files for 16QAM and 64QAM modulation of the soft information extraction
072282
- 提出了一种自动构造特定领域本体的方法，该方法应用术语抽取和多重聚类技术。在术语抽取阶段，通过术语在专业语料与背景语料中出现概率的对比，采用LLR公式对术语进行评分，取得了更好的抽取效果。在层级关系发现过程中，采用上下文共现信息结合HowNet中词语的语义相似度，进行术语间相似度度量，力求获得术语间最合理的相关状况。同时改进了k-medoids聚类算法，更准确地发现术语的层级关系，进而构造出特定领域的本体。-This paper presents an approach to mining dom
NonnegJune2009
- 当前论文主要考虑的是非信号依赖的高斯噪声下的图像恢复，本程序实现了泊松噪声下的图像恢复，泊松噪声为信号依赖噪声，能够更加有效逼近实际成像系统噪声。- This is the code that was used in the papers "A Nonnnegatively Constrained Convex Programming Method for Image Reconstruction", "Total Variation-Penalized Poisson Likelihood E
Soft_demapping_8PSK
- soft Demapping 8PSK : LLR computation using Euclidian distance approach, Parallel-to-Serial converter, needs I and Q componets of 8PSK symbols at the input
dist_LLR
- Log Likelihood Ratio (LLR) Objective Speech Quality Measure
ARMAKalman
- Several functions for evaluating the exact negative log-likelihood of ARMA models in O(n) time using the Kalman Filter
01576960Beaulieu
- 通过MATLAB软件；通过仿真得出性能曲线；从而比较bpsk的性能-The bit-error rate (BER) of binary phase-shift keying in Rayleigh fading, using the Alamouti transmission scheme and receiver selection diversity in the presence of channel-estimation error, is studied. Closed-
LLR_decoding
- 对数似然比测度下低密度奇偶检验码的译码算法，有很大的价值啊 -Log-likelihood ratio measure under the low-density parity check codes decoding algorithm, there is great value to ah
LR
- 对数似然比测度下低密度奇偶检验码的译码算法，有很大的价值啊 -Log-likelihood ratio measure under the low-density parity check codes decoding algorithm, there is great value to ah
QPSK.LLR
- illustrates the improvement in BER performance when using log-likelihood instead of hard decision demodulation in a convolutionally coded communication link-illustrates the improvement in BER performance when using log-likelihood instead of hard d
MDL_segmenter
- em algorithm - Find approximate solution to Sf = conv(s,f) = d using EM iteration. EM seeks to minimize the Poisson negative log likelihood function J(f) = sum_i {[Sf]_i - (d_i + sigma^2)*log([Sf]_i + sigma^2)}. -em algorithm - Find approxim
EMALGORITHM
- In statistics, an expectation-maximization (EM) algorithm is a method for finding maximum likelihood or maximum a posteriori (MAP) estimates of parameters in statistical models, where the model depends on unobserved latent variables. EM is an iterati
SFElikgarch
- 该程序代码，可以用于计算和描绘广义自回归异方差过程的条件对数似然函数。-SFElikgarch computes and plots values of the conditional log-likelihood function of a simulated GARCH(1,1) process
mimo1
- SOVATEC是实施软输入软输出维特比 算法。该算法可以使用被称为其中味精是软输入（码字），LLR是每比特的先验信息对位（对数似然比），棚架棚架结构描述卷积编码器，用于编码的原始信息的消息。- SOVADEC is an implementation of the soft input soft output Viterbi algorithm. The algorithm can be called using DEC = SOVADEC( MSG, L
Maximum-Likelihood-Estimation
- 用MATLAB编写代码,在经济和金融中法对连续时间过程实现了封闭的最大似然估计方法-The code, written in MATLAB, implements the closed-form maximum-likelihood estimation method for continuous-time processes in economics and finance. First, the code maximizes the log-likelihood function and d