yucekongzhi

很实用的IPHONE完美实现自定义软键盘(IPHONE perfect realization of very useful custom keyboard)

数字信号处理 传统的宽带信号中抑制正弦干扰的方法是采用陷波器(notch filter),为此我们需要精确知道干扰正弦的频率.然而当干扰正弦频率是缓慢变化时,且选频率特性要求十分尖锐时,则最好采用自适应噪声抵消的方法.下图是用一个二阶FIR的LMS自适应滤波器消除正弦干扰的一个方案。(DSP)

file Matlab abc xyz a b c d e f x y z d h i k l m n s

一个kalmen filter 的介绍，就是matlab中如何使用kalmen filter(A paper about the introduction of the kalmen filter)

Digital image exercices

通用卷积码的编码encoding for ALL RSC(encoding for ALL RSC)

说明：  中文书名：MATLAB宝典。很适合初学者，内容比较基础，对几个主要的工具包也有较为详细的介绍。(Chinese Title: MATLAB Collection. Is suitable for beginners, the content basis for comparison, on several major kit has more detail.)

利用非线性控制完成光伏并网逆变器的设计，设计中采用模糊控制和反步法，介绍很好。(Using nonlinear control to complete the design of the photovoltaic (pv) grid inverter, adopted in the design of advanced reverse moves, the introduction is very good.)

说明：  此仿真实现了单位功率因数的有源逆变，也可功率因数可调。(The simulation of active power factor of the unit, also can be inverter power factor can be adjusted. )

自行车轮饰物的运动轨迹。路面视为光滑曲线f(x),饰物离车轮中心距离为r,车轮半径为R。(The trajectory of the bicycle wheel accessories. Road surface as a smooth curve f (x), and accessories from wheel center distance r, the wheel radius R)