MatlabFAQ

主要讲述了matlab相关的数学问题的解答，很全面。(Focuses on matlab related mathematical questions, very comprehensive.)

灰色理论认为系统的行为现象尽管是朦胧的，数据是复杂的，但它毕竟是有序的，是有整体功能的。灰数的生成，就是从杂乱中寻找出规律。同时，灰色理论建立的是生成数据模型，不是原始数据模型，因此，灰色预测的数据是通过生成数据的gm(1,1)模型所得到的预测值的逆处理结果。(Gray theory that the behavior of the system even though the phenomenon is dim, the data is complex, but still it is ordered, there is a whole function. Gray number generation, that is, from the clutter to find out the laws. Meanwhile, the gray theory is to generate the data model, not the original data model, so gray prediction data by generating data gm (1,1) model predicted values ​ ​ obtained result of the inverse process.)

说明：  常规的单载波调制技术在带宽有限的测井电缆上的低传输速率制约着成像测井技术的发展。在分析测井 电缆传输特性和 OFDM 技术原理的基础上 ,设计了一种基于 OFDM 技术的测井电缆高速数据传输系统 ,并介绍了 基于 OFDM 技术的测井电缆高速数据传输系统的参数设计和工作原理 ,给出了不同长度测井电缆上的测试结果。 电缆实测结果表明 ,在 7 000 m长的测井电缆上 ,基于OFDM 技术的测井电缆高速数据传输系统可获得900 kbit / s 以上的数据传输速率和低于 5E28 的误码率。当变压器的接入模式为 Mode2II时 ,系统最高的数据传输速率可达到 1. 1 Mbit/ s。(To solve t he low data t ransmission rate problem in t he conventional single car rier mod2 ulation met hod for logging cable and enhance t he data t ransmission rate , a new data t ransmission system with high data t ransmission rate for logging cable is propo sed , which is based on t he Or2 t hogonal Frequency Division Multiplexing (OFDM) technology. The working principle of OFDM modem and t he procedure of data t ransmission system are al so presented and lot s of test s are car2 ried out on logging cables with different lengt hs. It is verified that t he data t ransmission rate can reach 900 kbit/s on 7 000 meter s logging cable wit h bit er ror rate (BER) lower t han 5E28 , and t he maximum data t ransmission rate is 1. 1 Mbit/s under Mode2II of t he t ransformer .)

用来计算音频的谐噪比的matlab函数，可以直接使用 计算出音频每帧的谐噪比的值，生成txt文件存储计算出来的数据(calculate harmonic to noise ratio of audio)

说明：  该代码为灰度投影算法进行两帧图像的匹配及配准的代码(The code for the gray projection algorithm and the two images match registration code)

Various blurring effect and also it will be displaying you image with blind deconvolution.

cholesky decomposition matlab code

机械运动模拟， 凸轮机构绕中轴线旋转， 阻尼运动， 连杆机构的运动模拟， 凸轮的转动。 (Mechanical motion simulation, cam around the axis of rotation, damping motion, linkage of the motion simulation, the cam rotation.)

语音识别，利用matlab hmm 实现语音识别(hmm matlab)

产生Rician分布的noise Matlab源程序(Rician distribution noise maker in Matlab)