fd2d_predator_prey

运用Matlab求解工程系统动力学问题，是一本值得参考的好书(Solving Engineering System Dynamics Problems with MATLAB.)

声纳技术 常用水声信号及其处理方法 内容 CW信号(Commonly used in underwater acoustic signal processing method)

Matlab中进行二维离散傅立叶变换,并显示频谱图的方法。(two version discreate Forier Transemation baced on MATLAB)

水利工程马斯京根法洪水演算程序，模块化编程，内含3个关键函数，x、k率定方法采用直接率定方法，速度更快。(Mas root method for flood routing procedures, modular programming, it contains three key function, x, k rate method using direct rate, faster.)

MATLAB高效编程程序源代码 第三部分(failed to translate)

PID control simulation(matlab simulation for pid controller)

DTMF encoder/decoder using Goertzel algorithm and Biquad filtering

可以清楚的知晓信号随时间轴和频率轴的变化，相当的方便(Can be clearly known with the axis and a frequency axis signal changes, considerable convenience)

he m-file helps you o understand the generatio,transmission and reception of an ofdm signal, and also shows the effect of the channel noise and the HPA on the ofdm signal.

k-means algorithm clustering