check4

说明：  MSK信号的调制与解调，根据书上的代码进行了修改，非常详细(Modulation and demodulation of MSK signal)

说明：  已封装好C#调用JSON语句方法，dll文件(Encapsulated C# Call JSON Statement Method, DLL File)

Windows系统下Modbus RTU协议从站，VB.net开发，可以直接支持研华系列采集模块的源代码(Windows systems, the Modbus RTU protocol slave, VB.net developers can directly support the of Advantech series acquisition module source code)

ask、fsk调制信号的码速率、载波估计(ask_symbolrate_est fsk_symbolrate_est)

说明：  求解广义非线性薛定谔方程的频移方程 与分步傅里叶法不同，解决了非线性系数随波长变化的问题(Solving the frequency shift equation of GNLSE)

BP神经网络用于函数拟合与模式识别，基于SVPWM的三电平逆变的matlab仿真，包括压缩比、运行时间和计算复原图像的峰值信噪比。( BP neural network function fitting and pattern recognition, Based on SVPWM three-level inverter matlab simulation, Including compression ratio, image restoration computing uptime and peak signal to noise ratio.)

visual C++ MFC 环境下 串口的连接，收发数据的实现，串口探测工具部分功能的实现(Serial port connection)

HT16C22显示驱动程序，使用I2C功能(HT16C22 display driver, using the I2C function)

dsp 28335 通讯例程，经检测可用，欢迎大家下载(DSP 28335 communication routines are available after testing. Welcome to download.)

卷积码的Viterbi译码算法仿真程序 要求：递归卷积码，归零处理(Convolutional Codes Viterbi decoding algorithm simulation program requirements : recursive convolutional codes and zeroing treatment)