2139655simulate_echo

Arduino hx711库文件，在编写程序省去很大力气，很好用的头文件，大力推荐(Arduino hx711 library files, eliminating the need to write programs in a lot of effort, a good use of header files, strongly recommended)

104规约程序，用于电力IEC104规约分析(104PROTOCAL)

关于常规脉冲多普勒地地面雷达的杂波建模与仿真 (Conventional pulsed wave Doppler to the ground radar clutter modeling and simulation)

QuadraticQuaassemble 的源程序 matlab有限元分析源程序 (QuadraticQuaassemble source matlab source Finite Element Analysis)

教你如何做热图（heatmap），可以显示图像的百分比。(A mathod to tell you how to make a heatmap.)

交错网格声波方程正演模拟，PML吸收边界，比较适合刚刚接触的学者。交错网格有限差分地震波场计算，二维的声波正演，利用空间10阶，时间2阶。(The CalCulation of the SeismiC Wave一 fieldwith Staggered-grid Finite difference Sheme)

检验实际分布是否与理论密度分布函数相符合。球面均匀分布的随机点在二维平面上的投影的密度分布(Verify whether the actual distribution consistent with the theoretical density distribution function. Spherical uniformly distributed random dot density distribution projected on a two-dimensional plane)

说明：  多功能史密斯圆图，带单枝节，双枝节匹配，有动态演示效果。各种参数可调。程序调通了，没问题。(Multifunctional Smith map, with single side, double side match, the effect of dynamic presentation. Adjustable parameters. Transfer procedures had, no problem.)

说明：  运用物理光学法和矩量法计算带罩天线的远场辐射。(use of optical physics and Moment Method band antenna covers the far field radiation.)

该程序实现2ask的解调，2ask解调C语言实现(The program 2ask demodulation, 2ask demodulation C language)