bfskAWGN

三个分段相连的信号的傅里叶变换和时频分析；Chirp 信号的傅里叶变换和时频分析；信号的子带分解(Linked to three sub-signals Fourier transform and time-frequency analysis Chirp signal Fourier transform and time-frequency analysis signal subband decomposition)

fsk调制解调matlab代码，给出了在噪声信道条件下fsk的调制和教条的matlab实现，并给出了误码率(fsk modulation and demodulation matlab code is given in the noisy channel conditions, fsk modulation and dogmatic matlab implementation, and gives the bit error rate)

plot bit error rate at differnt SNR

基于块状导频的信道估计仿真，有LS,LMMSE信道估计算法(Based on the pilot block channel estimation simulation, has LS, LMMSE channel estimation algorithm)

通过Matlab仿真的LTE-Advanced适合于MIMO系统的信道构造以及信道预编码(Matlab simulation by LTE-Advanced is suitable for MIMO system channel structure and channel precoding)

本资源主要对矩阵分解中的LU分解、LDL’分解、乔列斯基分解，以及无约束最优化领域中的最速下降法、牛顿法、拟牛顿法的原理、步骤和算法进行了简要介绍，并对各种方法进行了Matlab编程实验，得到了较好的结果。 本资源包含了《矩阵分解及无约束最优化方法的原理和应用简介》文档以及其中用到的全部Matlab程序，非常适合初学者学习与研究。(The resources are mainly in the matrix decomposition LU decomposition, LDL decomposition, Cholesky decomposition, and unconstrained optimization field steepest descent method, Newton s method, the principle of quasi-Newton methods, procedures and algorithms are briefly introduced, and various methods of Matlab programming experiment, get a better result. This resource contains a matrix decomposition and unconstrained optimization methods Introduction to the principles and applications which uses all the documents and Matlab program, ideal for beginners learning and research.)

用有限差分法来解偏微分方程，采用高斯——赛德尔迭代方法，并用前后两次迭代差的矩阵的无穷范数作为是否停止迭代的依据。(Using finite difference method to solve partial differential equations, using Gauss- Seidel iterative methods, and poor before and after the two iterations of the infinite matrix norm as the basis of whether or not to stop iteration.)

cross correlation of two sequences

说明：  重力资料处理异常分离来分离区域异常和局部异常(Gravity anomaly separation of data processing to separate regional anomalies and local anomaly)

this is an important book for wireless communication.in this book,the following contents are described properly.(i)Basics of Digital communication (ii)Mobile radio channel(iii)channel coding (iv)OFDM (v)CDMA