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Maximum likelihood estimation for normal

This is a technician handbook for fiber optics

Addition and multiplication of signals may favour Quality improvement, such as noise reduction, image enhancement, and echo cancellation

采用互补序列降低ＯＦＤＭ的ＰＡＲ方法，降至３ＤＢ(lower with complementary sequences OFDM PAR method to Lateral)

关于Matlab学习的教程，尤其适合初学者学习(Tutorial on Matlab to learn, especially for beginners to learn)

分别给出了带卷积吗，卷积吗-RS吗，RS吗的系统误码率仿真程序( )

程序中含有时程图，相图，分岔图与庞加莱图的的程序(bifurcation time history diagram)

用镜像矩阵求出矩阵的QR分解（正交三角分解），并求解线性方程组，该方法不必选主元，但其计算过程非常稳定。也可用于求矩阵的广义逆和求解线性最小二乘问题。子过程QRDCMP用镜像矩阵求m*n矩阵A的QR分解，A=Q^TR,其中Q是m*m正交矩阵，R为m*n上三角矩阵；子过程QRBKSB用矩阵的QR分解求解线性方程组Ax=b，其中A为n阶非奇异方阵。(Matrix obtained with the mirror matrix QR decomposition (orthogonal triangular decomposition), and solving linear equations, the method does not have to choose the main element, but its calculation process is very stable. Can also be used to find the generalized inverse matrix and solving linear least squares problems. Sub-process of the mirror matrix QRDCMP m* n matrix A QR decomposition, A = Q ^ TR, wherein Q is a m* m orthogonal matrix, R is m* n upper triangular matrix subprocess QRBKSB a QR decomposition to solve the matrix linear equations Ax = b, where A is non-singular square matrix of order n.)

异步电机带转矩内环的转速磁链闭环矢量控制(With a torque loop, speed and flux loop induction motor vector control)

在matlab里自行用简单语句编写的卷积运算程序，一道小作业题。(In matlab in their own written statement with the simple convolution procedure, a small job title.)