Stepwise least squares estimation of multivariate AR model
标签： multivariate estimation Stepwise squares
上传时间： 2017-05-17
上传用户：pinksun9
建立了一种基于移动最小二乘(Moving Least-Squares MLS)法的曲线曲 面拟合方法这种方法对传统的最小二乘(LS)法的作了比较大的改进使生成的曲线曲面具 有精度高光滑性好等许多优点详细介绍了移动最小二乘法的原理应用和特点并且给 出了使用移动最小二乘法进行曲线曲面拟合的程序设计流程最后给出了曲线拟合和空间散 乱数据曲面拟合算例将拟合结果与最小二乘拟合结果作了比较分析了MLS 拟合曲线曲 面的光滑性和拟合质量表明了该方法的优越性和有效性
标签： Least-Squares Moving MLS LS
上传时间： 2017-07-02
上传用户：xc216
3D shape reconstruction matlab code. It used shape from defocus technique with least squares. You can reconstruct 3D shape with only two different depth images.
标签： shape reconstruction technique defocus
上传时间： 2014-01-07
上传用户：Zxcvbnm
Least Squares Fitting of Data
标签： Fitting Squares Least Data
上传时间： 2013-12-27
上传用户：问题问题
least squares method
上传时间： 2014-01-25
上传用户：lifangyuan12
System identification with adaptive filter using full and partial-update Recursive-Least-Squares
标签： Recursive-Least-Squares identification partial-update adaptive
上传时间： 2013-12-30
上传用户：LouieWu
MATLAB Example Code : Non-Linear Least Squares --- Bearings-Only Measurement
标签： Bearings-Only Measurement Non-Linear Example
上传时间： 2014-06-08
上传用户：fxf126@126.com
We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude modulation, phase-shift keying, and pulse amplitude modulation communications systems.We study the performance of a standard CFO estimate, which consists of first raising the received signal to the Mth power, where M is an integer depending on the type and size of the symbol constellation, and then applying the nonlinear least squares (NLLS) estimation approach. At low signal-to noise ratio (SNR), the NLLS method fails to provide an accurate CFO estimate because of the presence of outliers. In this letter, we derive an approximate closed-form expression for the outlier probability. This enables us to predict the mean-square error (MSE) on CFO estimation for all SNR values. For a given SNR, the new results also give insight into the minimum number of samples required in the CFO estimation procedure, in order to ensure that the MSE on estimation is not significantly affected by the outliers.
标签： frequency-offset estimation quadrature amplitude
上传时间： 2014-01-22
上传用户：牛布牛
·经典Mean shift算法
上传时间： 2013-05-29
上传用户：417313137
针对Mean Shift算法不能跟踪快速目标、跟踪过程中窗宽的大小保持不变的特点。首先，卡尔曼滤波器初步预测目标在本帧的可能位置；其次， Mean Shift算法在这点的邻域内寻找目标真实的位置；最后，在目标出现大比例遮挡情况时，利用卡尔曼残差来关闭和打开卡尔曼滤波器。实验表明该算法在目标尺度变化、遮挡等情况下对快速运动的目标能够取得较好的跟踪效果。
上传时间： 2013-10-10
上传用户：TF2015
