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这是gsm系统中gsm信号数据生成的代码matlab仿真程序，上传给大家学习和参考。(This is the gsm system, gsm signal data generated code matlab simulation program, uploaded for everyone to study and reference.)

三分之一倍频程，用于信号的能量分析，特别是噪声频道的能量(octave for noise analysis)

matable 生成V图,代码　　在要要要要(english,matlab voronil diagram)

用Hanning窗设计线性相位滤波器，绘制幅频和相位特性曲线，并在改变N的值后观察N对滤波器特性的影响及其时域特点。(Hanning window with a linear phase filter design, drawing amplitude frequency and phase characteristic curve, and change the value of N, N were observed on the filter characteristics and time domain characteristics.)

用MATLAB代码来实现最速下降法的计算。(MATLAB code used to achieve the steepest descent method calculations.)

SVM matlab的源代码，用于建立支持向量机模型(code for svm)

降压dc变换器输出功能仿真，根据可控晶闸管调节电压的压降，实现降压电路，采用pwm波控制。(buck DC Converter)

没什么好东西！只是BP，PID算法而已！可以看看过得去(nothing good things! Only BP, PID algorithm! Can look at the little things)

collinearity diagnostic code for matlab

说明：  永磁同步电机矢量控制，其中包括仿真电机的参数和具体的数据，适合于中惯量电机高精度控制。(PMSM vector control, including the simulation of the electrical parameters and specific data. for inertia at the high precision motor control.)