周立功 深入浅出ARM7－LPC213x(下)

%BPSK信号星座

资源描述飞思卡尔S12单片机LIN通信模块驱动程序，及LIN发送数据/接收数据功能代码

SIM300的GPRS连接例程序，用的MSP430单片机，对SIM300模块的开发有一定的参考价值-SIM300 the GPRS connection Example procedures used MSP430 microcontroller, the development of SIM300 module has certain reference value

pc到pc的串口通讯程序，基本的收发显示-pc to pc serial port communication program, the basic display of the transceiver

用matlab编写的除法计算器,能够实现除法运算-division calculator is written by matlab

symbian上的yuv视频文件处理程序 可对yuv的每一帧数据进行读取 处理 显示-symbian the yuv video file handling procedures can yuv data of each frame read treatment showed

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Very Low Frequency (VLF) spectrograms show sometimes sets of lines called MLR (Magnetospheric Line Radiation) with frequency spacing close to 50 or 60 Hz. It is very tempting to attribute these MLR to Power Line Harmonic Radiation (PLHR). PLHR are the ELF and VLF waves radiated by electric power systems at the harmonic frequencies of 50 or 60 Hz. Here we show for the first time large scale MLR observed simultaneously on ground and on board a low altitude satellite which is flying over the same zone.

摄像头驱动程序，V4L2编程，S3C2440-camera

通信系统的ASK调制程序，比较实用，包括完整的工程-ASK modulation communication system procedures, more practical, including the complete works