Virtual-modems

matlab常用程序的源代码，以及演示(matlab source code for common procedures, and presentation)

matlab图形位置转换，图像识别位移等功能的实现(matlab graphical position conversion, image recognition and displacement functions to achieve)

User world parameters setup

semblance analysis in matlab

基于卡尔曼滤波的GNSS卫星导航PVT解算例程，实测可用。输入参数为至少四颗卫星的XYZ坐标和伪距，输出结果为接收机经纬度值。(GNSS satellite navigation PVT Calman filter solution based routines, can be measured. The input parameters for the XYZ coordinates of at least four satellites and pseudo distance, the output for the receiver latitude and longitude value.)

高斯加性模拟信道，模拟仿真高斯白噪声情况下信号传输情况(additional noise channel)

多种语音信号质量评判工具，包括pesq、LLR、坂仓距离等。(This folder contains implementations of objective measures，include：PESQ measure，Likelihood-ratio measure，takura-Saito measure and so on.)

ldpc研究的源代码，用于DVB-S2标准(The source code LDPC, used for DVB-S2 standards)

IEEE33节点配电网电磁暂态仿真模型，包含配电网无限大电源母线，三相对称的支路与负荷模型，以及各负荷点处测量单元。(The electromagnetic transient simulation model of IEEE33 node distribution network includes the infinite bus of distribution network, the three-phase symmetrical branch and load model, and the measuring unit at each load point.)

System modeling is a vital tool for cost reduction and design process speed up in most engineering fi elds. The paper is focused on modeling of hydraulic arm as a part of intelligent prosthesis project, in the form of 2DOF open kinematic chain.