part1

It is Radar System design and signal prcessing code based on standard algorithm .this is vey important for biggener those who are working on Radar signal processing area.This code contain various chapter. this is basically chapter No7

说明：  《精通MTLAB最优化计算》第9章 非线性最小二乘优化问题 源码(&quot The most proficient MTLAB Optimization&quot Chapter 9 source nonlinear least squares optimization problem)

利用GPIB接口控制K2306上下电，电压5V。(The control of K2306 electric interface using GPIB, voltage 5V. )

说明：  一个自己写的节点导纳矩阵生成程序，不同的小程序完成不同的功能(A self - written node admittance matrix generation procedures)

VSharp学习软件源代码WindowsApplication_Example示例程序(VSharp learning software WindowsApplication_Example sample application source code)

FDTD贴片天线s参数，计算电磁场的数值方法教材(FDTD patch antenna s parameters, calculation of electromagnetic field of teaching methods)

说明：  九节点的潮流计算matlab程序，可以用来进行电力系统的潮流计算。(power system flow calculation)

对Lena图像128*128，进行QF=50和QF=40的压缩，然后解压缩，并分别计算压缩图像的PSNR，给出图像压缩后的图像(Lena image of 128* 128,QF=50 and 40 compression, then uncompress, and calculate the PSNR compressed image, after image compression)

PWM of Two level inverter

掌握用MATLAB求无穷级数的和、求幂级数 的收敛域、展开函数为幂级数以及展开周 期函数为傅里叶级数的方法(infinite series)