FFT

说明：  对铭泰读卡器不同扇区进行读写操作，初始化扇区，扇区信息加密。(Reading and Writing Mingtai Card Reader)

说明：  完整的Verilog验证模型，包括设备完整的状态。(Complete verilog Verification Model)

说明：  lms基础算法，已经经过测试，可以通过。(LMS basic algorithm has been tested and passed.)

UWB_Channel_IEEE_802_15_3a.rar是用MATLAB对UWB信道进行仿真的实例，所仿真的信道是UWB的标准信道模型。(UWB_Channel_IEEE_802_15_3a.rar is used for UWB channel MATLAB simulation examples, the channel simulation is the standard UWB channel model.)

数字信道化器的模拟程序，当输入信道个数为奇数时，子信道的提取过程模拟(Digital channel of device simulation program, when the input channel number is an odd number, the channel of the extraction process simulation)

OFDM峰均比抑制程序，包含代码对应的文章，方便理解(The OFDM PAPR inhibition program, contains the code that corresponds to the article, easy to understand)

说明：  MathType需要与其他文档编辑工具搭配使用，并且能够与office系列软件完美兼容，可用在编辑数学试卷、书籍、报刊、论文、幻灯演示等方面，是编辑数学资料的得力工具，所以受到了广大用户的一致好评。并且office系列本就内置有MathType的缩减版，这让用户们更加易于上手。(MathType needs to be used with other document editing tools, and can be perfectly compatible with office series software. It can be used in editing math papers, books, newspapers, papers, slide shows, etc. it is a powerful tool for editing math materials, so it has been unanimously praised by the majority of users. And the office series has a reduced version of MathType built in, which makes it easier for users to get started.)

实现LDPC码校验矩阵的构造，采用Mackay 1A方法(Implementation of LDPC code check matrix construction uses Mackay 1A method)

蓝牙防丢器，当手机与蓝牙模块超过一定距离时，手机自动报警。(Bluetooth prevention device, when the mobile phone with bluetooth module exceeds a certain distance, mobile phone automatic alarm.)

说明：  5. 在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。 (2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已经同步，请设计DS-CDMA一种具体的频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。(5. In three-path Rayleigh channel, for direct sequence spread spectrum: (1) please design a specific code division navigation aided channel estimation method for ds-cdma, and adopt equal-beneficial combination and maximum ratio combination for receivers respectively.Simulink is used to simulate and draw the relationship curve between bit SNR and channel estimation mean square error and the relationship curve between bit SNR and bit error rate. (2) assuming that the frequency has been synchronized, please design a specific single-stop sliding correlation time synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and the acquisition probability curve. (3) if the time has been synchronized, please design a specific frequency synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and frequency synchronization error curve.)