chaos

说明：  超声声场的线性描述与仿真工具，可以作为超声系统的研究有用工具，根据不同的输入 ，得到不同的超声图像，验证自己的算法。(ultrasound field simulation code)

说明：  可以很好的对图像数据进行前处理，能对扫频数据进行分类。(Can be a good pre-processing the image data, can sweep data classification.)

基准测试函数中的griewank函数代码(Griewank test function in the function code)

迭代生成LDPC码矩阵，初始矩阵为三行三列各元素均为1的矩阵。根据其tranner图依次迭代产生新的矩阵。(structural properties: (1)Each line is composed of p points (2)There is one and only one line between any two points (3)Each point lies on b lines (4)Any pair of lines has at most one common point )

说明：  GS迭代算法，可以借鉴参考 ，但是有些小问题 欢迎大家提出(GS iteration algorithm can be used for reference, but there are some small problems you are welcome to raise.)

ofdm系统功能模块仿真（包含信道误码率等）(ofdm simulation system modules (including the bit error rate, etc.))

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)

gram schmidt algorithm to compensate i and q channel imbalance in noisy channel

仿射变换 matlab 程序 关于2维配准(Affine transformation matlab program on the 2-D registration)

利用MATLAB软件，通过编程来计算计算卫星坐标，通过输入相关参数之后就可以给出卫星的坐标(Using MATLAB software, programmed to calculate the coordinates of the satellite is calculated by the following input parameters can be given the coordinates of the satellite)