duoxianpreadth

说明：  this is official usb2.0 protocol

VPI中基于matlab联合仿真的直接检测ofdm系统(VPI-based co-simulation with matlab for the direct detection ofdm system)

高通，rex，OS，很好的文档~~~！！！(Qualcomm, rex, OS, a very good document ~ ~ ~)

多线程串口编程，程序是使用arm加华为的GPRS模块进行测试 方便大家修改(Multithread serial programming, program is to use the arm GPRS module testing Huawei to facilitate change)

说明：  决策树分类法识别ASK,PSK,FSK六种数字信号的调制识别(Decision tree classification for modulation recognition of ask, PSK and FSK digital signals)

主要讲解了航空信道模型的仿真实现和参数选择，给出了各信道场景下的接收信号星座图以及概率密度曲线。(Mainly on the aviation simulation channel model implementation and parameter selection are given scenarios each channel received signal constellation and the probability density curve.)

说明：  该文件包含对宽带波束形成与窄带波束形成的一些实现方法(This file contains some implementation methods of wideband beamforming and narrowband beamforming)

说明：  TCM-8psk的matlab编码，打开直接运行即可使用 TCM-8psk matlab code, open and run directly(TCM-8psk matlab code, open and run directly)

利用ADM4017实现空调系统压力的采集（蒸发压力和冷凝压力) ,利用ADAM4018实现热电偶的温度采集。包含了曲线显示，数据存储功能，自定义温度标签功能。(this applicaion is used to get the temperature and pressure of the HVAC system by ADAM4017 and ADAM4018. include the cure print, the data storage and user defined label for 8 channels temperature.)

本人编写的一个根据五行八卦理论用来测试手机号吉凶的小程序,本程序只供大家消遣,且莫过于在意,呵呵()