V2.0

matlab的adpcm语音编码，很好的解决了语音压缩传输中的问题(matlab' s adpcm speech coding, a very good solution to the voice compression and transmission problems in the)

说明：  matlab code for gfdm

ldpc码的dpsk调制，针对bp译码专用的调制方式(LDPC code DPSK modulation, decoding bp for the exclusive use of modulation)

performs convolutional encoding and viterbi decoding

使用FFT变换在频域对宽带扩频信号中的正弦干扰信号进行识别和抑制，其中扩频信号由1024点的伪随机序列表示。(In the frequency domain using the FFT transform of broadband spread-spectrum signal of sinusoidal interference signal identification and suppression, in which spread-spectrum signal is generated by pseudo-random sequence of 1024 points, said.)

对图像进行基于SIFT算法的特征提取并对图像特征并实现特征匹配(the implement of the sift algorithm and matching based on the feature extracted the image)

matlab Welch法实现谱估计，基本原理验证(matlab Welch method to achieve spectrum estimation, the basic principles of validation)

采用maple程序编程计算汽车动力性能，通过输入发动机相关参数得到发动机的各条动力曲线，并计算最大速度等参数。(Programming is calculated using maple vehicle dynamic performance, the Articles of the power curve of the engine by engine-related input parameters and calculate the maximum speed and other parameters.)

通过使用matlab优化工具箱中的函数fmincon解决有约束的非线性优化问题，有详细的代码过程。(By using the matlab optimization toolbox function fmincon to solve constrained nonlinear optimization problem, has detailed the process code.)

先进pid matlab 仿真 刘金琨 第版 第一章程序 pid matlab simulink liujinkunc hap01_5.rar (Liu Jinkun advanced first pid matlab simulation program version of the first chapter pid matlab simulink liujinkunc hap01_5.rar)