jiezhi

说明：  一些用matlab编制的智能优化算法的的测试函数程序(Some prepared to use matlab Intelligent Optimization Algorithm function test procedures)

zero forcing implementation in matlab for a certain channel respon in a noisy channel

Another source code to simulate LMS adaptation algorithm using Matlab.

1、用for和if语句求出供求函数以及稳定时的产量和价格。 2、用多重for循环语句和plot语句画出蛛网模型。 3、制作动画语句。 (1, with for and if statements when you find a stable supply and demand functions and production and prices. 2, with multiple plot statement for loop and draw the cobweb model. 3, animation statements.)

组合导航和初始对准中都涉及到杆臂效应补偿（滤波方法）(Combination of navigation and the initial alignment of compensation related to the lever arm effect (filtering method))

语音去混响与去噪，使用matlab实现，可直接使用(dereverberation and denoise)

引入名为lcgui的GUI程序计算传输线参数，这是一个用户友好程序，能使各种结构线路的数据输入变得简单。 (The introduction of the GUI program called lcgui calculate the transmission line parameters, which is a user-friendly program, allows a variety of data input line structure becomes simple.)

三分之一倍频程表示的短时傅里叶变换，需要时域分析工具箱(One-third octave express the short-time Fourier transform, the need for time-domain analysis toolbox)

Hard Disk Drive Servo Systems

研究表明超高斯分布更加贴近语音信号的实际分布，然而语音信号很难用单一的概率密度 函数准确描述，针对这一情况，提出了一种用超高斯混合模型对语音信号幅度谱建模的新方法，并推导了 基于此模型的幅度谱最小均方误差估的估计式。仿真结果表明：与传统的短时谱估计算法相比，该算法不 仅能够进一步提高增强语音的信噪比，而且可以有效减小增强语音的失真度，提高增强语音的主观感知 质量。 (Recent research indicates that the speech spectral amplitude distributions could be fairly described with super-Gaussian probability density function. However, the complexity of speech signal determines that the distribution statistics ofspeech signal could not be well described by single simple function. Thus a super-Gaussian mixture model for speech spectral amplitude is proposed, and with this model, a minimum mean-square error (MMSE) estimator for speech signals spectral amplitude is derived. The simulation results show that this algorithm based on Gaussian and super-Gaussian speech model could achieve better noise suppression and lower speech distortion as compared with the conventional short-time spectral amplitude estimation algorithm. )