mtest

多路复用写的一个可收发数据的串口应用程序(Write a multiplexer can send and receive serial data applications)

SSDA算法是一种快速图像匹配算法，希望对大家有所帮助！(SSDA algorithm is a fast image matching algorithm, we want to help!)

说明：  s29gl256s nor flash 源代码(s29gl256s device source code)

一个可以用语音modem录音放音的Delphi控件源码(A modem with voice recording playback control of Delphi source code)

说明：  GSM 物理层信道编码, 调制, 信道模拟, 同步搜索, 信道估计, 均衡解调, 信道译码(GSM physical layer channel coding, modulation, channel modeling, synchronization search, channel estimation, balanced demodulator, channel decoder)

极化码的matlab实现，包括了完整的编码以及译码程序(polar coding and decoding)

实现ldpc 编译码功能，并且输出BER和曲线图。(LDPC encoder and decoder)

可以实现无线通信，代码简单便于理解，是基于wince平台的(Wireless communications can be achieved, the code simple and easy to understand, is based on the wince platform)

正交频分复用系统中信号的调制与解调，我们用傅里叶反变换和变换来实现(Orthogonal frequency division multiplexing system signal modulation and demodulation, and we use the inverse Fourier transform to achieve transform)

说明：  7. 单径瑞利信道中的两发一收STBC： (1) 分析误码率的理论性能，画出比特信噪比与误码率的关系曲线。 (2) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。(7. Two outgoing and one outgoing STBC in single-path Rayleigh channel: (1) analyze the theoretical performance of bit error rate and draw the curve of the relationship between bit SNR and bit error rate. (2) please design a specific navigation-assisted channel estimation method, Simulink simulation, measurement of BPSK modulation error rate performance.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn.)