tips

中频数字正交采样，并进行滤波，得出基带信号(IF quadrature sampling and filtering)

功率谱估计的各种方法的matlab代码 包括AR模型，ESPRIT,周期图谱，MUSIC，PISARENKO等方法(Power spectrum estimation method matlab code, including the method of AR model, ESPRIT, the cycle map, the MUSIC, PISARENKO etc.)

genetic algorithm matlab

在matlab仿真环境下利用多次求平均值的方法对无刷直流电机的母线电压和母线电流进行检测，并实现过流保护(Use of multiple averaging method in matlab simulation environment for bus voltage and bus current brushless DC motor is detected, and overcurrent protection)

说明：  梯度下降法是一個一階最佳化算法，通常也稱為最速下降法。 要使用梯度下降法找到一個函數的局部極小值，必須向函數上當前點對應梯度（或者是近似梯度）的反方向的規定步長距離點進行疊代搜索。如果相反地向梯度正方向疊代進行搜索，則會接近函數的局部極大值點；這個過程則被稱為梯度上升法。(The gradient descent method is a first-order optimization algorithm, also commonly referred to as the steepest descent method. To find the local minimum of a function using the gradient descent method, an iterative search must be performed to the specified step distance point in the opposite direction of the gradient (or approximate gradient) of the current point on the function. If the search is reversed in the opposite direction to the positive direction of the gradient, it will approach the local maximum point of the function; this process is called the gradient ascent method.)

LMMSE performance analysis

explains bilinear transform method, and impulse invariance method for IIR filter design

自己写的关于电机自适应控制的源码，考虑所有参数均为未知的情况( code on the motor adaptive control with MATLAB)

TKK Voice Source Analysis and Parametrisation Toolkit (Aparat) is a voice inverse filtering and parametrisation software developed at Helsinki University of Technology (TKK) Acoustics and Audio Signal Processing Laboratory, Espoo, Finland. It is especially useful in rapid inverse filtering and parametrisation of large amounts of pre-segmented vowels.

本代码是单相正弦电压锁相环程序，用于根据单相正弦电压生成其相位角度信息，包括：正交处理、坐标变换、PI运算、积分运算、取模运算等步骤。(This code is a single-phase sinusoidal voltages phase-locked loop program for generating the phase angle information based on single-phase sinusoidal voltage, comprising: an orthogonal processing, coordinate conversion, PI operation, integral operation, the modulo operation and other steps.)