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用C语言实现matlab的butter函数中低通和带通功能,高通和带阻没写,有兴趣的可以自己加入.(Using C language to achieve matlab butter function low-pass and band-pass function, high pass and band stop did not write)

说明：  STM32外扩4*4矩阵键盘，包含原理图及源码。(STM32 extends 4*4 matrix keyboard, including schematic diagram and source code.)

求解低秩表示模型。使用ADM求解样本的低秩表示矩阵。(Solving low rank representation model. )

说明：  STM32+RC522+充值+扣款+改密码+开锁(STM32 + rc522 + recharge + deduction + change password + unlock)

自己利用ＰＳＣＡＤ搭建的ＭＭＣ三相变换器，包括了电容预充电过程。(The MMC using PSCAD build their own three-phase converter, including a capacitor pre-charging process.)

无线网络中节点均匀分布的解码转发机会中继性能分析0479-8023(2012)02-0183-10(Performance Analysis of Opportunistic Relaying with Regenerative Relays in Wireless Networks ?ased on the Randomly Distributed Nodes)

说明：  LibMPSSE-SPI_source.zip F232X to SPI源码(LibMPSSE-SPI_source.zip F232X to SPI code)

DSP28335空间电压矢量调制SVPWM调制程序，浮点DSP编程(DSP28335 space vector modulation SVPWM modulation program)

利用单片机的定时器定时，令十字路口的红绿灯交替点亮和熄灭，实现主支路路口的交通信号灯控制（尽可能保持主线的畅通，即在通常情况下，保持主线的放行，只有在支线到达时，才放行支线），同时采用LED数码管或LCD显示倒计时时间。(The use of single-chip timer timing, make the turn at the crossroads of the traffic lights lit and extinguished achieve the main traffic lights at the junction of the slip control (as much as possible to maintain the smooth flow of the main line, that is, in normal circumstances, to maintain the main line of the release, only at Extension arrive only when the release of the Spur Line), while the use of LED digital tube or LCD display countdown time.)

PIC16F886控制红外线程序，希望对大家有帮助。(PIC16F886 to control IR program, we hope to help. )