Coin_Counter

自己做的： （一）用双线性变换法设计并用实验系统实现一个三阶的契比雪夫Ⅰ型低通数字滤波器，其采样频率Fs =8KHz，1DB通带边界频率为fp=2KHz。 （二）用双线性变换法设计并用实验系统实现一个三阶的契比雪夫Ⅱ型高通数字滤波器，其采样频率Fs =16KHz，阻带边界频率为fst =4KHz，As=20dB。 ((A) design using the bilinear transformation method and the experimental system of a third-order Chebyshev low-pass type Ⅰ digital filter, the sampling frequency Fs = 8KHz, 1DB passband boundary frequency is fp = 2KHz. (B) Bilinear transformation method used to design and use of the experimental system of a third-order Chebyshev type Ⅱ high-pass digital filter, the sampling frequency Fs = 16KHz, stopband boundary frequency fst = 4KHz, As = 20dB.)

支持向量机的原理、应用。支持向量机的算法、综述、核函数的定义等(Support vector machine principle, application. Support vector machine algorithm, summarized the definition of kernel function)

matlab codes related to pso.

计算转子各阶临界转速。考虑了陀螺力矩。用FEM法。(Calculation of the rotor of the first critical speed. Consider the gyroscopic moment. With the FEM method.)

带有速度限制和种群限制的粒子群优化算法程序。matlab编写。(Populations with speed limits and restrictions on particle swarm optimization algorithm. matlab prepared.)

此方法可以实现流体力学中混沌的分叉分析，而且还可以分析皮卡尔曲面(this method can achieve hydrodynamics Chaos bifurcation analysis, but also surface can be analyzed Picard)

说明：  基于MATLAB编程的图像处理程序——低通滤波模拟编程(MATLAB based image processing program- low-pass filter simulation program a)

跳频信号的调制解调过程，代码和短时傅里叶变换，代码比较详细(FH signal modulation and demodulation process, code, and short-time Fourier transform, the code in more detail)

噪声信号中正弦信号的现代法频谱分析，在不同周期不同长度和不同信噪比下的结果(Sinusoidal signal in noise spectrum analysis of modern law, in different periods of different lengths and different signal to noise ratio results)

利用卡尔曼算法做出的平衡车整套程序，可以给做平衡车初学者很好的借鉴( Kalman algorithms make use of the balance of the car the entire procedure can be done to balance the car a good reference for beginners)