finite-difference-method

图论研究中的图着色问题的matlab程序，非常好用啊！(Study of Graph Theory Graph Coloring Problem of matlab program, very easy to use ah!)

基于粒子群优化与灰色系统理论的多目标优化程序，很好用(Based on Particle Swarm Optimization and gray system theory of multi-objective optimization process, a very good use)

在工程应用中经常需画剖面图，改程序能帮助你迅速画出剖面图(In engineering applications often need to draw profile, change program can help you quickly draw profiles)

扩展卡尔曼滤波，无味卡尔曼滤波对非线性轨迹目标跟踪性能对比。(Extended Kalman filter, unscented Kalman filter to nonlinear trajectory target tracking performance comparison.)

this is a code to calculate the moment invariant of images. the values which come out are capable of removing rotational, scaling, transnational variation in image given as input.classification can be done with the help of it.

说明：  升余弦脉冲的设计实例，升余弦脉冲是一种具有零ISI的脉冲波形，此程序用来产生升余弦脉冲。(Raised cosine pulse design example, raised cosine pulse is a pulse waveform with zero ISI, the program used to generate raised cosine pulses.)

35个完整GUI实例 源程序免费下载!方便大家对matlab的学习！(35 complete GUI instance of source free download!)

希尔伯特黄变换是，hilbert+emd的综合。本文件是典型的hht的程序(The Hilbert yellow transformation is the synthesis of hilbert+emd. This file is a typical HHT program)

基于tdoa定位的chan算法，经典算法，基本实现(Based tdoa positioning chan algorithm, the classical algorithm, the basic realization)

1、研究BFSK在加性高斯白噪声信道下（无突发干扰）的误码率性能与信噪比之间的关系； 2、研究BFSK在加性高斯白噪声信道下（有突发干扰）的误码率性能与信噪比之间的关系；分析突发干扰的持续时间对误码率性能的影响。 3、研究BFSK+信道编码（取BCH码和汉明码）在加性高斯白噪声信道下（无突发干扰）的误码率性能与信噪比之间的关系；分析不同码率对误码率性能的影响。比较不同信道编码方式的编码增益性能。 4、研究BFSK+信道编码（取BCH码和汉明码）在加性高斯白噪声信道下（有突发干扰）的误码率性能与信噪比之间的关系；分析突发干扰的持续时间对误码率性能的影响。分析不同码率对误码率性能的影响。比较不同信道编码方式的编码增益性能。 (The relationship between research BFSK in additive white Gaussian noise channel (non-burst interference) bit error rate performance and signal to noise ratio research BFSK in additive white Gaussian noise channel (burst interference The relationship between), bit error rate performance and signal to noise ratio analysis of the duration of the burst interference on the BER performance. The relationship between the 3 the study BFSK+ channel coding (take BCH code and Hamming code) under the additive white Gaussian noise channel (non-burst interference), bit error rate performance and signal to noise ratio analysis of the different rate of bit error rate the impact of the performance. Comparison of different channel coding, coding gain performance. The relationship between the 4 the study BFSK+ channel coding (take BCH code and Hamming code) under the additive white Gaussian noise channel (burst interference), bit error rate performance and signal to noise ratio duration analysis of bu)