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feature extraction in matlab simple intro

ERSTUDIO資料建模工具的学习资料，不错。 (ERSTUDIO data modeling tool of learning materials, good.)

Interconnect line capacitance and coupling effect

很简单易懂的卡尔曼滤波算法，希望能帮助到初学者(kalman filter)

说明：  三相并网逆变器双闭环控制，基于dq坐标系下采用并网电流环与电压前馈的方法对其进行稳定性控制。包含SIMULINK2012-2018所有版本(Based on dq coordinate system, the stability of three-phase grid connected inverter is controlled by the method of grid connected current loop and voltage feedforward. Include all versions of simulink2012-2018)

基于matlab的TM320LF2407的程序设计，pdf文章，里面有图示，有简单例程(Matlab-based design of TM320LF2407 procedures, pdf article, which has icon, has a simple routine)

• Plot the noisy speech signal both in time-domain and frequency-domain. • 进行含噪语音信号的时频分析 • Design a proper filter to remove noise from the speech signal. • 设计合适滤波器进行去噪 • Plot the clean signal both in time-domain and frequency-domain. • 进行去噪后信号的时频分析 • Design a Reverberator using 4 Comb filters and 2 All-pass filters, as shown in the following Figure, to generate reverberated and reflected sound with the capability of passing it through an equalizer. • 设计一个混响器（用四个梳状滤波器和两个全通滤波器（下图所示））来产生回声（通过一个均衡器（用于调整频率的补偿和衰减））

article of Pseudo Wigner-Ville Distribuition

非连续波导时间域有限差分法仿真（TD-FDM），入射波为理想高斯脉冲。经典之处在于利用matlab制作了电影文件，可以动画形式看到波的入射、反射以及透射状况。(Non-consecutive time waveguide FDTD simulation (TD-FDM), for an ideal Gaussian pulse incident. Classic is the use of matlab has produced a movie file, you can see an animation sequence of the incident wave, reflection and transmission status.)

FSK modulation matlab model frequency deviation FSK modulacia so spojitou fazou je zalozena na frekvenciach, t.j. ak k=f/tb a k je celociselny nasobok oboch frekvencii. Ak k nie je celociselny nasobok, potom je to FSK modulacia s nespojitou fazou. fb - frekvencia vstupnych bitov bit/s fm - frekvencia pre 1 fs - frekvencia pre 0 >> FSK_mod(500,1000,3000,[0 1 0 1 1 0 1 0 0 1]) (FSK modulation matlab model frequency deviation FSK modulacia so spojitou fazou je zalozena na frekvenciach, t.j. ak k=f/tb a k je celociselny nasobok oboch frekvencii. Ak k nie je celociselny nasobok, potom je to FSK modulacia s nespojitou fazou. fb- frekvencia vstupnych bitov bit/s fm- frekvencia pre 1 fs- frekvencia pre 0 >> FSK_mod(500,1000,3000,[0 1 0 1 1 0 1 0 0 1]) )