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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)

TabBarCustom (所有TabBar之间切换)，精选ios编程学习源码，很好的参考资料。(TabBarCustom (switching between all TabBar), selection of learning IOS programming source code, a good reference.)

ai prolog examples ai prolog examples ai prolog examples ai prolog examples ai prolog examples (ai prolog examples)

FOR HELP AND DOCUMENT FOR POWER FCD C

cocos 2d sample using simple tile operations.

iOS中自定义pagecontrol的DEMO，很适用很好(DEMO iOS custom pagecontrol, it applies very well)

matlab实现文件读取，波形处理，小波变换，文件保存。(use matlabe to read and write files, to process wave and to save files)

An IOS sample Program

此项目完整玩具机器人代码和原理，还元器件清单；(This project complete toy robot code and principles, to restore the device list )

英文版的书籍，使你了解xcode开发工具和相关的知识(English version of the book, so that you understand the xcode developer tools and relevant knowledge)