payment_calc

利用差分进化算法（Differential Evolution）实现对经典函数girewangk的验证(The use of differential evolution algorithm (Differential Evolution) to achieve the verification of classical function girewangk)

802.16e，该程序主要是仿真了发端，包括加扰码，编码，调制，FFT逆变换等。(802.16e， the program mainly simulate the transimte)

对粒子群算法改进的算法，其各性能有很好的改进(Improved particle swarm optimization algorithm, its performance is very good improvement)

《MATLAB 神经网络30个案例分析》程序和数据 包含了基本包含了神经网络的各类常见案列，并提供了具体数据用于Matlab程序计算，非常易于学习者上手和练习。( MATLAB neural network 30 case studies programs and data Contains the basic neural network contains common types of cases listed, and provides specific data for the calculation of Matlab program, very easy to use and exercise the learner.)

This is a test code to show the spectrum of sine wave.

一维线形阵元的music算法DOA估计，参数为3个信号源，8阵元接收(one-dimensional linear array of music DOA estimation algorithm and parameters for the three signal sources, eight receiving element)

simulation of communication systems and software defined radio from the book chapter 5

主要用于sar成像算法学习，用来生成目标回波，并用RD算法进行成像处理。(Sar imaging algorithm is mainly used for learning, used to generate the target echo imaging with RD algorithm.)

拓扑大师sigmund编写的matlab经典拓扑程序(Master sigmund topology topology program written in matlab classic)

程序1：周期信号（方波）的展开 程序2：用图形表示DSB调制波形及其包络线 程序3：通过傅里叶变换找出被随机信号淹没的信号频率 程序4：DSB-AM 双边带幅度调制和解调 程序5：AM调制和解调(Procedure 1: periodic signal (square wave) Program 2: graph DSB modulation waveform and its envelope Application 3: through the Fourier transform to find out the submerged by random signal signal frequency Program 4: DSB- AM double sideband amplitude modulation and demodulation Program 5: AM modulation and demodulation)