LDPC510_ZHM

关于MATLAB的通信系统编程源码，包含多个小程序，对于初学者有比较大的帮助(MATLAB simulation of communication system（library）)

mathews数值分析书的源代码，用matlab编写，第一章第八部分。(mathews numerical analysis of the book' s source code, using matlab, the first part of Chapter VIII.)

MUSIC算法是一种基于矩阵特征空间分解的方法。从几何角度讲，信号处理的观测空间可以分解为信号子空间和噪声子空间，显然这两个空间是正交的。信号子空间由阵列接收到的数据协方差矩阵中与信号对应的特征向量组成，噪声子空间则由协方差矩阵中所有最小特征值（噪声方差）对应的特征向量组成。MUSIC算法就是利用这两个互补空间之间的正交特性来估计空间信号的方位。噪声子空间的所有向量被用来构造谱，所有空间方位谱中的峰值位置对应信号的来波方位。MUSIC算法大大提高了测向分辨率，同时适应于任意形状的天线阵列，但是原型MUSIC算法要求来波信号是不相干的。(MUSIC algorithm is a matrix decomposition method based on feature space. From the geometric point of view, the observed spatial signal processing can be decomposed into signal subspace and noise subspace, it is clear that the two spaces are orthogonal. The signal received by the array to the subspace of the covariance matrix of the signal component corresponding eigenvectors, the noise subspace of the covariance matrix of all by the smallest eigenvalue (noise variance) eigenvectors corresponding to the composition. MUSIC algorithm is the use of orthogonal properties between these two complementary space to estimate the spatial orientation of the signal. Noise subspace of all vectors are used to construct the spectrum, all the spatial orientation of the spectrum corresponding to the peak position of the signal wave direction. MUSIC algorithm greatly improves the resolution measurements, while the antenna array adapted to any shape, but the prototype MUSIC algorithm requires to wave sign)

Beam width is the aperture angle from where most of the power is radiated. The two main considerations of this beam width are Half Power Beam Width (HPBW) and First Null Beam Width (FNBW).

信号空间分集ssd的误码率分析，m语言实现，最大似然译码。(Ssd signal space diversity analysis of bit error rate, m language, maximum-likelihood decoding.)

matlab下对于系统模型的仿真，为复杂系统设计做准备(matlab simulation model under the system, in preparation for the design of complex systems)

利用prewitt、sobel、roberts边缘检测器进行边缘检测(Use prewitt, sobel, roberts edge detector for edge detection)

Using the area of the element to weighted average a value to each point on the triangular mesh

The proposed approach satisfies the integrability condition and does not need any boundary condition assumptio-ns, we have designed a stand-alone, flexible Matlab implementation that enables to evaluation the proposed approach. The experiments on real images show the approaches ability to reconstruction the surface from SFS.

用MATLAB实现的DSP函数，包括FFT、ChripZ、DCT、DELTA、Hilbert变换(用MATLAB实现的DSP ??数 ???? ?FFT ??ChripZ ??DCT ??DELTA ??Hilbert ??换)