HDB3_Code

it is a software ti localize wireless sensor network

增广最小二乘的递推算法对应的噪声模型为滑动平均噪声，扩充了参数向量和数据向量H（k）的维数，把噪声模型的辨识同时考虑进去。最小二乘法只能获得过程模型的参数估计，而增广最小二乘法同时又能获得噪声模型的参数估计，若噪声模型为平均滑动模型，，则只能用RELS算法才能获得无偏估计。当数据长度较大时，辨识精度低于极大似然法。(Augmented least squares of recursion algorithm corresponding noise model for moving average noise, expanded parameter vector and data vector H (k) of the dimension, the noise model identification and at the same time into consideration. Least square method can only obtain process model parameter estimation, and augmented least squares method at the same time can obtain noise model parameter estimation, if noise model for the average sliding model,, it can only use RELS algorithm to obtain unbiased estimation. When the data length is bigger, the identification accuracy is lower than maximum likelihood method.)

This function used for mapping gray data after equalization with many method into image.

压缩文件里边包含好几个合成地震记录的程序，包括楔形模型，断层等，有的还画出了地震记录，反射系数的振幅谱~(the zip file contains several synthetic seismogram programs, including wedge model, fault model, etc., some even draw the earthquake records, the reflection coefficient of amplitude spectrum ~ )

16阶带通滤波器在matlab环境下仿真程序(16-order bandpass filter in matlab simulation environment)

How to do hanning window

很多通信系统的matlab程序,便于修改调用，欢迎使用！(many communications systems Matlab procedures to facilitate changes called Welcome!)

Coding for COA_High Precision_high convergence ***Cuckoo Optimization Algorithm*** * Matlab Toolbox Ver. 1.0.1 * programmed by: "Ramin Rajabioun, 2011" This code minimizes your cost function, so don t change any part of your code.

自己写的多分辨率SVD函数，普通SVD也包含在内，采用类似小波多分辨率分析进行SVD降噪、降维，奇异点求解(Multi-resolution SVD function, using wavelet-like multi-resolution analysis for SVD noise reduction, dimension reduction, singular point solution)

自己编写的BPSK调制与解调，内含matlab-figure-file、matlab-M-file和得出的jpg格式图形！(I have written BPSK modulation and demodulation, containing matlab-figure-file, matlab-M-file and come to the jpg format graphics!)