apochromat

可实现Butterworth滤波器 的功能 使图像处理的一个重要功能部分(Butterworth filters can realize image processing functions to an important functional part)

这个例子阐明了发生在时变系统中的频谱扩展，系统的带通输入时在某个频率上的音频信号(This example illustrates the system occurred in the time-varying spectrum expansion of the system' s band-pass input on a frequency of audio signal)

拟合实验 代数方程组的解法 微分方程实验(fitting the experimental algebraic equations experimental differential equations Solution)

self information and entropy

TD-SCDMA小区搜索最为关键的sync-dl码同步的确定过程，即搜索DwPTS。(TD-SCDMA cell search of the most critical sync-dl code synchronization process of determining that the search DwPTS.)

在悉尼大学EKF-SLAM仿真平台的基础上开发，使用Compressed Extended Kalman Filter解决SLAM问题，最初由Jose Guivant and Eduardo Net提出，程序由Haiqiang Zhang和Lihua Dou实现 (CEKF-SLAM is a Compressed Extended Kalman Filter-based SLAM simulator written under Matlab. )

this is an important project for the identification of a a servo motor for a sun tracker

利用差分进化算法（Differential Evolution）实现对经典函数rosenblock的验证(The use of differential evolution algorithm (Differential Evolution) to achieve the verification of classical function rosenblock)

说明：  PPC上面类似Matlab的语言环境，希望有pda的同学们喜欢(PPC above language similar to Matlab environment, and hope to have the students like pda)

数字调制方式：2ASK，2FSK，2PSK，MSK，QPSK等信号的调制代码（m文件）实现。(Digital modulation techniques：2ASK，2FSK，2PSK，MSK，QPSK)