user_two

介绍了16PSK与16QAM调制的概念，分析了调制的频带利用率和误码性能仿真，总结了16QAM调制和16PSK调制的优缺点。(Introduction of 16QAM modulation 16PSK with the concept of analysis of modulation bandwidth efficiency and BER simulation, summed up the 16PSK modulation 16QAM modulation and the advantages and disadvantages.)

自己需要给出坐标，GPS测距。主要是实现了基于maltab测距GPS测距原理(you should give coordinates, GPS ranging)

Winner+通信信道模型文件，视距通信概率，非视距通信概率，路损模型等(Winner+ communication channel model file, line of sight communication probability, the probability of non-line communication, road loss models)

Philips RC-5/6协议 Philips RC-MM协议 红外编码格式17- Toshiba TC9148P  NEC协议 经本人翻译为中文版本的，很好的开发档案，值得下载！(Philips RC-5/6 Philips RC-MM protocol agreement infrared code format 17- Toshiba TC9148P NEC protocol for the Chinese version translated by me, the good development of the file, it is worth downloading!)

16QAM数字基带信号系统仿真，包括发射机程序和接收端程序(16QAM digital baseband signal system simulation)

DVB-T 2K Reception.DVB-T 2K 接收机matlab源代码。(DVB-T 2K Reception.DVB-T 2K receiver matlab source code.)

说明：  无线传输系统中nRF2401芯片数据丢失问题的研究(Wireless transmission systems nRF2401 chip problem of data loss)

简单的信道编码matlab仿真程序,主要是无噪声信道和高斯噪声信道下的信道仿真。(Simple channel coding matlab simulation program, the main channel is no noise and Gaussian noise channel channel simulation.)

高速DDR存储器数据接口设计实例. 1. 将文件拷入硬盘 2. 产生DQS模块 3. 产生DQ模块 4. 产生PLL模块 5. 拷贝以上步骤生成的文件到子目录【Project】中 6. 打开子目录【Project】中的DataPath.qpf工程，设计顶层模块 7. 编译并查看编译结果 (High-speed DDR memory interface design data. 1. Copyed into the document hard disk 2. DQS generated module 3. Have a DQ module 4. Have a PLL module 5. Copies of the above steps to generate a document to a subdirectory 【Project】 6. Open the subdirectory 【Project】 DataPath.qpf in engineering, design top-level module 7. compilers to compile the results and see)

利用数据板卡进行数据采集，利用半满的方式将模拟量转换成数字量(Data card for data acquisition, the use of half-full way to convert analog into digital)