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MAX485_1281849
- The MAX481E, MAX483E, MAX485E, MAX487E–MAX491E, and MAX1487E are low-power transceivers for RS-485 and RS-422 communications in harsh environments. Each driver output and receiver input is protected against ±15kV electrostatic discharge (ESD)
Qam16
- 16QAM调制与解调的全过程，能够观察眼图、星座图、误码率等，方便研究运用16QAM调制解调的系统的性能-16QAM modulation and demodulation of the entire process, be able to observe the eye diagram, constellation diagram, error rates, facilitate the study of the use of 16QAM modulation and demodulation
mfrc522程序注释
- MF RC522支持ISO/IEC14443A/B的所有层和MIFARE?经典协议，以及与该标准兼容的标准。支持高速MIFARE?非接触式通信波特率。内部的发送器部分不需要增加有源电路就能够直接驱动近操作距离的天线（可达100mm）。接收器部分提供一个坚固而有效的解调和解码电路，用于ISO14443A兼容的应答器信号。数字部分处理ISO14443A帧和错误检测（奇偶＆CRC）。此外，它还支持快速CRYPTO1加密算法，用于验证MIFARE系列产品。与主机通信模式有8位并行和SPI模式，用户可根据
LDPC-2012-02-11
- C语言实现的LDPC（Low Density Parity Check Codes）通信仿真代码(Software for Low Density Parity Check Codes Version of 2012-02-11. This collection of programs and modules, written in C, is intended to support research and education concerning Low Density Pari
802.11a simulink
- 基于WiFi 802.11a协议的无线通信系统的开发 端到端的802.11a的物理层，自适应调制，前向纠错码，ofdm传输，高斯白信道仿真 Viterbi解码等(End-to-end 802.11a physical layer * All mandatory and optional data rates: 6, 9, 12, 18, 24, 36, 48, and 54 Mb/s * BPSK, QPSK, 16-QAM, 64-QAM modulations * Forwa