shangchuan

LDPC在BPSK考虑AWGN信道下，采用软判决和积算法的仿真。这是第一个(LDPC in AWGN channel BPSK considering the introduction of soft-decision and the plot of the simulation algorithm. This is the first)

This paper shows how electrical engineering undergraduates can acquire a working knowledge of the finite element method (FEM) within a short period of time using MATLAB. For simplicity, only first-order triangular elements are considered. The scalar wave equation for homogeneous isotropic waveguides is used for introducing the FEM. Simple waveguide problems, including a design problem, are discussed as examples. It is shown how the knowledge acquired can be extended to other electromagnetic problems

Airport runway detection using zernike meoments

用于求解不可压ns方程的压力矫正计算方程，采用了二维对称调用的技术。(Ns for solving incompressible pressure correction equation calculation equation, using a technique called two-dimensional symmetry.)

This program does watermarking in dct coefficints.Robust againt jpeg compression and noise.Evaluated with psnr

说明：  模式识别，线性分类器，经调试可用。希望能帮到需要的人。(Pattern recognition, linear classifier, debugging is available. I hope to help people in need.)

自适应最优核时频分析程序及相关软件，可用于相关的时频分析(Adaptive Optimal Kernel Time-frequency analysis procedures and related software for the relevant time-frequency analysis)

steepest descent method

《空间谱估计原理与算法》信源数目估计（信息论法）matlab源代码(" Space Spectrum Estimation Principle and Algorithm" Source number estimation (Information Law) matlab source code)

基于matlab的2fsk的调制与解调源程序，以及眼图，误码率的计算，相干解调，非相干解调的比较(Matlab-based 2fsk the source of the modulation and demodulation, as well as the eye diagram, bit error rate calculation, coherent demodulation, comparison of non-coherent demodulation)