junyun_FFT_1031

说明：  正交频分复用（OFDM）信号的互补累计函数(ccdf_of_clipped_foltered_ofdm_signal)

HLP A+ Modbus 标准通讯协议格式，上位机发送数据格式，正确时变频器返回数据格式(This bit will be set to logic 1 when the receive buffer has been read and contains no new information. If there is new information available in the receive buffer that has not been read, this bit will return to logic 0. RXBMT = 1 when in Master Mode.)

多个信道模型仿真模型MATLAB源码，包括自由空间路径损耗函数、Okumura-Hata模型、COST231-WI视距模型、COST231-WI非视距模型、Rayleigh信道及COST-231 Hata模型等。(Multiple chanel model simulation with MATLAB code, include wireless_free_space_attenuation model, Okumura-Hata model, COST231-WI LOS model, COST231-WI NLOS model, Rayleigh model, etc al.)

这段程序是相干光通信系统的仿真机，可以用matlab来仿真相干光通信系统，具体的参数可以在代码里面自行修改。(This program is a simulation machine for coherent optical communication systems. Matlab can be used to simulate a coherent optical communication system. The specific parameters can be modified in the code.)

标准ATP命令的处理，用于手机的，高质量代码。(ATP standard order processing, for mobile phones, high-quality code.)

说明：  5G NR 的全链路仿真C代码，对学习5G算法和做5G研发的有很大的参考价值。(5g NR full link simulation C code has great reference value for learning 5g algorithm and doing 5g research and development.)

51单片机，通过人体红外热释电模块检测人数，并计数。(51 single chip computer, through the human body infrared pyroelectric module to detect the number of people, and count.)

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：  单频、宽带信号的线阵、面阵波束形成，用的是fft能量或者幅度求和的做法(Beamforming of linear array and area array for single frequency and broadband signals)

利用matlab自适应滤波器实现心电信号的去噪 自适应滤波器 心电图(De-Noising of Electrocardiogram (ECG) with Adaptive Filter Using MATLAB)