fig7x42

数字锁相环，采用costas环的数字形式，实现跟踪载波相位，(Digital phase-locked loop, using the digital form costas loop to achieve carrier phase tracking,)

60GHz无线通信在IEEE802.15.3c信道下误码率matlab仿真(60GHz wireless communication under IEEE802.15.3c channel matlab code)

本书包含光学软件ZEMAX，设置评价函数的所有操作数的含义及使用。新手入门必备。(This book contains the optical software ZEMAX, the meaning and use of the evaluation function to set all operands. Getting Started essential.)

power electronics lab simulations

数字图像处理运用matlab实现3D透视投影(Digital image processing using matlab to achieve 3D perspective projection)

读入指定的音频序列，并对其进行无损预测编码和DM调制编码(Read into the specified audio sequences, and its lossless predictive coding and modulation coding DM)

实现资料预测，输入训练集数据和测试集数据可以得到对应的均方根误差(Realization data prediction)

改进平方根法求解对称正定线性方程组，用matlab编写，可以在一定程度上提高求解效率。其中MRoot_squaring.m为原做法，sparse_cmp.m为二维等带宽存储，Moot_zonal.m为二维等带宽存储的平方根法求解(To improve the square root method to solve symmetric positive definite system of linear equations using matlab to prepare, to a certain extent improve the efficiency of solving. MRoot_squaring.m which the original approach, sparse_cmp.m for the two-dimensional, such as memory bandwidth, Moot_zonal.m for the two-dimensional, such as the square root of bandwidth storage method)

immo killer for audi vw seat skoda

利用自抗扰控制器理论，提出了一种新颖的永磁同步电动机无位置传感器矢量控制系统 的转速估计方法。(A novel speed estimation approach to sensorless vector control of Permanent Magnet Synchronous Motor (PMSM) based on Active Disturbance Rejection Controller (ADRC) was proposed. )