Elliptical_Filter

说明：  应用 FFT对信号进行频谱分析 1、在理论学习的基础上，通过本次实验，加深对快速傅里叶变换的理解，熟悉FFT 算法及 其程序的编写。 2、熟悉应用FFT 对典型信号进行频谱分析的方法。 3、了解应用 FFT 进行信号频谱分析过程中可能出现的问题，以便在实际中正确应用 FFT。 (Application of FFT spectrum analysis of signal 1, the theoretical foundation of learning, through this experiment, to deepen the understanding of the fast Fourier transform, familiar with the FFT algorithm and its procedures for the preparation. 2, familiar with the application of FFT on a typical signal spectrum analysis. 3, the understanding of application of FFT spectral analysis of signal problems that may arise in order to practice the correct application of FFT.)

这是Simulink关于巴特沃兹滤波器的模型。希望对初学者有用。(This is the Simulink model about bart ward filter. Hope useful for beginners. )

是机器学习的例程，构成不同频率的调制信号，有详细的注释，在MATLAB中求图像纹理特征，包括调制，解调，信噪比计算，利用自然梯度算法，可实现对二维数据的聚类，有PMUSIC 校正前和校正后的比较。 ( Machine learning routines, Constituting the modulated signals of different frequencies, There are detailed notes, In the MATLAB image texture feature, Includes the modulation, demodulation, signal to noise ratio calculation, Use of natural gradient algorithm, Can realize the two-dimensional data clustering, A relatively before correction and after correction PMUSIC. )

讨论了雷达基本概念和技术原理，具体描述了雷达截面、极化、匹配滤波器和雷达模糊函数及雷达波传播的最新进展，并给出了PRN 码，多径和折射、高距离分辨率、杂波和MIT处理的有关内容。新版增加了更多习题，包含丰富的MATLAB程序代码可用于雷达系统的分析和设计，具有很高的实际应用价值。(Discuss the basic concept and principle of radar technology, describes the latest progress of radar cross section, polarization, matching filter and radar ambiguity function and radar wave propagation, and gives the PRN code, multipath and refraction, high range resolution, clutter and MIT related content. The new version adds more exercises, including rich MATLAB program code, which can be used for the analysis and design of radar system, and has high practical value.)

说明：  本程序是用MATLAB做的玫瑰曲线，效果如玫瑰花一样(This program is a rose curve made with MATLAB, the effect is like a rose)

有关心理声学模型的一段程序，偶然中发现，希望有所帮助(a programme about psychoacoustic model )

基于matlab实现电力电子的simulink仿真，内有详细的原器件介绍及实例详解，很容易快速掌握电力电子仿真。(Realization based on matlab simulink power electronics simulation, with detailed description and examples explain the original device, it is easy to grasp the power electronic simulation.)

SubHarmonic Pulse Width Modulation control for a seven-level inverter :

this file is matpower software that is a power engineering software.

这是IEEE电力系统标准14-30-57-118节点图！(This is the IEEE standard 14-30-57-118 power system node figure! )