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关于详细介绍瞬时频率计算相关理论的文章，文章中已附有MATLAB程序(Detailed calculation of the instantaneous frequency of articles related to theory, the article with a MATLAB program has been)

程序是《精通MATLAB 7.0混合编程》配套的源程序，请对照书本使用。(Program is "proficient in MATLAB 7.0 Hybrid Programming" supporting source, please use the control books.)

给水管网优化课本中的例题。计算井水管网的汇水管的水头损失。并且有图。(calculate the head lost of pipe net .)

This is books for Artifical Neural Network ANN

the code shows the step response of a closed loop system the code shows the step response of a closed loop system the code shows the step response of a closed loop system

LFM ( Linear FM ) signal Source for simulation of radar

优化 Bitmap的小程序 希望对大家有用我人有很有借鉴意义(Optimize the Bitmap small program hope useful for everyone I have a lot of reference)

交直流调速系统与MATLAB仿真 书籍，PDF格式的，将交直流调速技术和MATLAB仿真技术有机结合在一起，主要内容包括直流调速系统及其仿真、直流调速系统的动态设计及其仿真、直流脉宽调速系统及其仿真、交流调压调速系统和串级调速系统及其仿真、交流异步电动机变频调速系统及其仿真、交流异步电动机矢量控制变频调速系统及其仿真、同步电动机调速系统及其仿真。(AC and DC speed control system with the MATLAB simulation of the book, PDF format, will be AC and DC speed control technology and the organic integration of MATLAB simulation technology together, the main features of DC drive system and its simulation, the dynamics of DC drive system design and simulation DC PWM system and its simulation, AC voltage regulation speed control system and cascade speed regulation system and its simulation, the exchange of asynchronous motor VVVF system and its simulation, the exchange of vector control induction motor variable frequency speed regulation system and its simulation, synchronous motor speed control system and its simulation.)

给出了kf ekf ukf upf的matlab源程序，通过用户自己修改可以方便的实现各种系统辨识。(Given kf ekf ukf upf the matlab source code through the user' s own can be easily modified to achieve a variety of system identification.)

说明：   接收设备能对外界信息正确的接收、分析、处理的重要性是不言而喻的,它关系到社会的发展、人类的进步。然而在有用信号中往往伴随着噪声的存在。这种噪声分为电路内部固有的噪声与系统装置从外部接收而来的噪声。电路内部的噪声是系统固有的，与外界干扰无关，它可以通过对电路的合理设计、选择合理的元器件而得以控制。外部噪声主要由近几年的电子技术的高速发展，电子、电气设备的广泛应用而带来的电磁干扰引起的。这种噪声现象在工业发达的城市非常突出，它对各种系统接收装置的影响也越来越严重，使得这些系统装置不能正常工作，使得这些系统装置性能降低，甚至使得这些系统装置受到损坏。战胜噪声已是现代电子技术发展道路上必须逾越的巨大障碍。要解决噪声带来的问题需要我们从最基本的干扰源、信息传输通道（信道）、系统装置电路下手。(The receiving device and system noise)