本人亲自写的WIFI 802.11b发送过程，包括preamble生成， PSDU生成，组帧，巴克码扩频，CCK调制，DBPSK调制，DQPSK调制，CRC校验，代码完整可运行-I personally wrote the 802.11b WIFI sending process, including the preamble generation, PSDU generation, group frame, PN code spread spectrum, CCK modulation, DBPSK modulation, DQPSK modulation, CRC verification, code integrity can be run