brovey_method

研究生的一个课程设计，基于a’trous小波分解的方法的图像边缘提取(A graduate curriculum design, methods based on wavelet decomposition a' trous Image Edge Extraction)

1. 选择一个wav文件作为分析的对象，对该信号进行读取（使用wavread函数）； 2. 音乐信号的频谱分析：首先画出信号的时域波形，然后对信号进行频谱分析得到信号的频谱特性。 3. 设计一组数字滤波器并画出各个滤波器的频率响应 (Filter)

ColP3D a matlab code for simulating a 3D hydraulic fracture

Power Systems Debbs Solution

QPSK的误码率仿真和瑞利信道在AWGN下的仿真。(QPSK BER simulation and Rayleigh channel simulation in AWGN' s.)

从数字电路角度，分析PI(比例和积分）环路滤波电路所组成的闭环控制环路的传输函数以及误差传输函数的形状，从中可以看书环路的peaking，3db带宽以及稳定性等性能(From the perspective of digital circuits, analyze the PI（propotional & integral) loop filter s closed-loop transfer function as well as the error transfer function, from which you can easily see the loop peaking factor, 3db bandwidth, and stability performance of the closed loop)

资料室关于GUI界面设计的例子，里面有源码程序，有程序运行结果图(Reference Room on the GUI interface design examples, there are source program, a program run results in Figure)

利用最小二乘法进行拟合多元非线性方程，计算目标和海洋回波的功率谱密度,包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法。( Multivariate least squares fitting method of nonlinear equations, Calculating a target and ocean echo power spectral density, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm.)

给出了用于图像分割的基于2D-OTSU算法的MATLAB代码，效果良好。(PCNN code for image segmentation based on OTSU)

基于模拟退火的粒子群算法matlab编程(Based on simulated annealing particle swarm algorithm matlab programming)