repoet3-4

说明：  语音识别中，提取MFCC特征参数时用到的MEL滤波器组函数，函数名为melfb(the function of melfb for speech recognition)

voice detection

image autentification

为领域专家提供一种有效的知识获取方法。 该方法 综合各种设备故障诊断知识获取方法的优点, 引入系统论的 概念和思想, 使知识获取过程系统化和程式化, 强调和引入 了设备对象功能技术物理效应、 伴随技术物理效应和可测性 研究。 提出的设备故障诊断模型知识获取方法已应用于建立 某一抽水蓄能机组的诊断知识模型, 表现出了操作的方便 性, 较好地解决了所获取知识的完备性和一致性问题。该方 法使设备故障诊断知识获取工作向工程化的方向迈进了一步(For the domain experts to provide an effective knowledge acquisition method. The fault diagnosis method of integration of knowledge acquisition method has the advantage, the introduction of the system of concepts and ideas, so that systematic and programmed process of knowledge acquisition, stress and the introduction of a functional device object technology physical effects, physical effects associated with technology, and testing research. Fault diagnosis model proposed knowledge acquisition method has been applied to establish the diagnosis of a Pumped Storage Unit knowledge model, showing the convenience of operation, can solve the access to knowledge of the completeness and coherence. The method makes the fault diagnosis knowledge acquisition work to project a step in the direction of)

电力系统发生三相对称短路时用MATLAB进行潮流计算，计算短路电流和短路电压(Symmetrical three-phase short circuit occurs, the power system with MATLAB for flow calculation, calculation of short-circuit current and short-circuit voltage)

线性回归，例程加源码，学习资料，实测可以运行(Linear regression routines plus source code, learning materials, the measured run)

在基带仿真16qam的matlab仿真程序，统计了系统的误比特性能。(16QAM in the base-band simulation of matlab simulation program, statistics of the system BER performance.)

space-time adaptive processing (STAP)

首先扼要地阐述矩量法分析天线的一般概念和基本思想，然后分别采用几种不同的积 分方程对线天线进行矩量法分析，并与解析计算结果进行比较，两者的一致性说明了计算结果的正确性。(First, a brief moment method analysis of antennas described the general concepts and basic ideas, and then were used for several different line of antenna integral equation moment method analysis, and results were compared with the analytical calculation, the consistency between the description of the calculation accuracy of the results.)

this code generates random numbers according to different distributions, Gaussian distribution, Rayleigh distribution, Rician and Nakagami, weibull and suzuki model.