frtestsystem

介绍了数字通信中的QPSK调制解调的原理，通过用Matlab编写脚本程序对QPSK通信系统的发射和接收过程的具体实现进行模拟仿真，绘出信号在理想信道和加噪信道中模拟传输时的时域图，并对各模块进行了频谱分析，所得到的结果与理论基本相符，对于理解QPSK系统的性能并在系统的实际应用上作进一步的设计，提供了有效的参考依据(The introduction was done with the principle of the QPSK modulation and demodulation in digital communications, a script was written by using Matlab program to carry out a simulation of the QPSK communication system ,which contains the concrete realization of transmit and receive process. The time-domain diagram is drew separately when the signal transmits in the ideal channel and in the channel with noise, spectral analysis of each module is also done, the results obtained with theoretical results in the main, which provides an effective frame of reference for understanding the performance of QPSK systems, and the practical application in the system to make further designed.)

Convolution taking algorithm written in matlab. It is basic and so simple. Can be understood by everybody.

说明：  SE4110GPS接收机芯片。应用于高灵敏度，低功耗GPS、AGPS、手机等等。(The SE4110L is a highly integrated GPS receiver offering high performance and low-power operation in a wide range of low-cost applications. It is particularly well-suited to mobile phone and high sensitivity L1-band GPS and A-GPS systems.)

关于粒子滤波的MATLAB源代码，实现了目标跟踪的效果~直接运行，有图像，希望大家喜欢。(On the particle filter MATLAB source code, to achieve the target tracking results ~ direct run, there is the image, hope you like.)

its about Dc machine and can use for other kind of machine

线性卡尔曼滤波在温度测量、自由落体运动目标追踪、GPS导航定位、石油地震勘测、视频图像目标追踪中的应用(Application of Linear Kalman Filter in Temperature Measurement, Free-falling Motion Target Tracking, GPS Navigation and Positioning, Petroleum Seismic Survey and Video Image Target Tracking)

说明：  卡尔曼滤波器的理论和实践，以及matlab仿真实例(KF Theory&Practice Using MATLAB)

vc调用matlab，如何使用vc来调用matlab的文件等一些基础功能(matlab use vc++)

在matlab中完成直流电测深一维正演，并且实现可视化(1d resisitivity sounding based on matlab)

A simulink model for chaotic Gyrostat system