upload_download_from_server

史密斯圆图的应用, 包括阻抗匹配，计算方法等(Smith chart applications, including impedance matching, calculation methods)

产生两不迥频率的信号，并对两信号作复数FFT变换，找出频率为50Hz的信号对其进行能量计算(Two distant signal is not generated frequency, and two signals for complex FFT transform to identify the frequency of 50Hz signal to calculate its energy)

tab bar controller 自定义颜色和演示demo，精选ios编程学习源码，很好的参考资料。(Tab bar controller custom colors and demonstration of demo, selection of learning IOS programming source code, a good reference.)

右边伸出的bar导航，IOS编程学习源码，很好的参考资料。(Bar navigation right out, learning IOS programming source code, a good reference.)

英文书Beginning Mac OS X Snow Leopard Programming的源码。(Source code of book "Beginning Mac OS X Snow Leopard Programming")

Implementation of Ceaser Cipher in C

STM8L101F3数码管显示_追梦效果_跑马灯——模拟SPI比如：数码管显示可以从0跑到9，也可以从9跑到0；可以在数码管外跑圈圈等等!实用于做实验等等

说明：  数学建模中的图论知识来研究最短路径的问题，利用Dijkstra算法matlab实现(Graph theory knowledge in mathematical modeling is used to study the shortest path problem, which is realized by using Dijkstra algorithm matlab.)

音频得信号处理 画图 和数据得分析 根据声音画出音波图形(Paint the audio signal processing and data obtained was analyzed)

二维码扫描应用demo，精选ios编程学习源码，很好的参考资料。(Two dimensional bar code scanning application demo, select learning IOS programming source code, a good reference.)