c13_tiv2

QPSK调制 经典，非常简洁的产生qpsk的调制方法1(QPSK Modulation)

在盲辨识系统中，非常关键的是如何获得最好的辨识效果，这里采用了多种方法，通过系统建模，并比较方法(In blind identification system is critical to identify how to get the best effect, this uses a variety of ways, through system modeling, and comparison)

这是具有功率因数校正的开关电源的MATLAB/SIMULINK仿真模型，希望对有用的人，有所帮助！(this is a simulink model of power supply with PFC, which is useful for those who study on this!)

最小方差无失真响应，波束形成，增强信号。(Minimum Variance Distortionless Response ,Digital Beamforming,Siginal Enhancement)

This file contains a whole package of Matlab simulation along with the results

npc 3-level inverter spwm matlab

分析海洋环境噪声矢量场特性对低噪声潜艇辐射噪声的测量、信号检测、设备抗干扰能力和系统测量增益的有效提高、以及优化阵的设计技术和海洋环境噪声测量设备(浮标和布阵)的研究具有重要的作用。(Analysis of ocean ambient noise vector field characteristic of low noise submarine radiated noise measurement, signal detection, equipment anti-interference ability and effectively improve the system measurement gain, and optimize the design of the array technology, and the Marine environment noise measurement equipment (buoys and disposal) plays an important role.)

线性调频（LFM）脉冲压缩雷达仿真，很好很强大(Linear FM (LFM) pulse compression radar simulation, very good very strong)

signal detection in 4x4 system using qrdmdfe algorithm with t=1,also includes lqrdm dfe algorithm

说明：  8. 单径瑞利信道中的四发四收V-BLAST： (1) 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16QAM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。 (4 Explain the working principle of convolutional encoding and decoding. Please use the Simulink simulation convolutional coding and Viterbi decoding method used to decode, in which the encoding, decoding all 8 single-path Rayleigh channel of the four rounds of four closed V-BLAST: (1) Please design a specific The guide-assisted channel estimation method, using Simulink for simulation, measurement 16QAM modulation bit error rate performance. Draw-bit signal to noise ratio and channel estimation mean square error curve, draw-bit signal to noise ratio and bit error rate curve.)