chapter1

this code is for fingerprint thinning

二阶锁相环仿真，输入频偏为阶跃信号时的仿真(pll simulation)

详细介绍了升余弦滤波器的计算和与其它滤波器的性能比较。(Raised cosine filter is described in detail the calculation and comparison with the performance of other filters.)

这是vondark滤波的程序，是自己编写的用于对数据去除噪声的matlab代码，供大家分享学习。(This is vondark filter program and is used to write his of removing noise data of matlab code, for all to share learning. )

使用Matlab实现双极性不归零码，画出波形并给出功率谱。(use Matlab bipolar not NRZ, paint and wave power spectrum is given.)

包含电场的等势面和电场线的三维MATLAB模拟，程序简单易懂，值得借鉴(MATLAB simulation contains three-dimensional electric field equipotential surfaces and field lines, the program easy to understand, is worth learning)

this source code solve a Poisson

快速经验模态分解程序包，能够实现时间序列数据的模态分解(The fast empirical mode decomposition package can realize the modal decomposition of time series data)

说明：  程序能够随时生成二维地图，并将灰狼优化算法应用于二维路径规划中。(The program can generate two-dimensional map at any time.The gray wolf optimization algorithm is applied to the two-dimensional path planning.)

三角波雷达仿真程序，已经雷达数据处理初级模型(Triangle wave radar simulation program has been the primary model for radar data processing)