In computer science and information theory, data compression, source coding,[1] or bit-rate reduction involves encoding information using fewer bits than the original representation. Compression can be either be lossy or lossless. Lossless compressio

通信原理 PCM编码 汉明码编码 2ASK的调制与解调-Communication Theory PCM coded Hamming code to coding 2ASK of modulation and demodulation