▍1. qpsk
说明: QPSK通过瑞利信道的MATLAB仿真 包括高斯白噪声和瑞丽衰减信道(QPSK_Rayleigh fading Both the AWGN channel and Rayleigh fading channel)
说明: 用自适应方法设计具有特定频率响应的FIR滤波器用于进行时域宽带波束形成(Adaptive design of FIR filter with specific frequency response for time domain broadband beamforming)
说明: 基于matlab产生光正交码,里面有几种码,象光正交码等。(Based on MATLAB to generate optical orthogonal code, there are several codes, such as optical orthogonal code.)
说明: QPSK调制信号通过高斯信道后输出BERvsSNR图像(QPSK modulated signal through Gaussian channel)
说明: 基带信号bpsk仿真,基带传输基本方波信号、sinc信号,对过程添加高斯白噪声,接收端用匹配滤波器进行接受,计算实际信号误码率,并于理论误码率进行比较(BPSK simulation of baseband signal. Baseband transmits basic square wave signal and sinc signal. Gaussian white noise is added to the process. Matched filter is used to receive the received signal. The error rate of actual signal is calculated and compared with the theoretical error rate)
说明: 实现turbo码编程,是matlab源程序。(matlab program of turbocoder)
说明: Clarke_Jakes_Zheng模型matlab仿真(Clarke_Jakes_Zheng-matlab)
说明: 基于matlab5g工具包,进行一定修改,使得信道估计和均衡效果更好(Based MatLab 5G Toolbox, make greater result)
说明: 该MATLAB用以计算LTE下行业务数据在高斯信道下QPSK的误码率(The MATLAB is used to calculate the error rate of QPSK of LTE downlink data in Gaussian channel)
说明: 线性相位 FIR 低通、高通、带通和带阻滤波器的设计方法,频率采样设计法的基本概念和线性相位的实现方法。几种线性相位的特点,熟悉和掌握矩形窗、三角形窗、汉宁窗、海明窗、布莱克曼窗、凯塞窗设计 IIR 数字滤波器的方法,频率抽样设计法的线性相位的设计方法,并对各种线性相位的频率抽样法的设计给出调整和改进。 利用 MATLAB 进行各类 FIR 数字滤波器的设计方法。(The design method of linear phase FIR low pass, high pass, band pass and band stop filter, the basic concept of frequency sampling design method and the realization method of linear phase. Familiar with and master the design methods of IIR digital filter of rectangle window, triangle window, Hanning window, Heming window, Blackman window and Kaiser window, and the design methods of linear phase of frequency sampling design method, and adjust and improve the design of frequency sampling method of various linear phases. Matlab is used to design all kinds of FIR digital filters.)
说明: 使用MATLAB软件,实现TD-LTE系统Turbo编码器的设计。(Using MATLAB software to designe the turbo encoder of TD-LTE system .)
说明: SAR雷达的BP后向投影成像,可运行出结果(The BP back projection imaging of SAR radar can run the result)