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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)

basic code when you learn objective-c.

matlab实现的中国邮路问题，寻找可能的欧拉环游，(matlab realize the Chinese Postman Problem, looking for possible Eulerian tour,)

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.)

最近有人问我关于什么时候用self.赋值的问题, 我总结了一下, 发出来给大家参考. 有什么问题请大家斧正.(Recently someone asked me about when to use self. Assignment, I sum up a bit, given to your reference. Have any questions please Fu Zheng.)

台湾苼科A7102B芯片的编程资料，很有用的资料(Section A7102B Taiwan Sheng chip programmed data)

FOR HELP AND DOCUMENT FOR POWER FCD C

MATLAB SIMULINK SIMITH 控制模型(MATLAB SIMULINK SIMITH control model)

CIC补偿滤波器的介绍和设计方法，包含MATLAB程序设计方法。(CIC compensation filter and design methods introduced, including MATLAB programming method.)

it is used in microcontroller..