abookofMATLAB6_5

说明：  结构随机振动，很经典的英文原版课本。Random Vibrations Analysis of Structural and Mechanical Systems(Random Vibrations Analysis of Structural and Mechanical Systems)

神经网络是一种模拟人脑的神经网络，以期能够实现类人工智能的机器学习 技术。 本书揭示神经网络背后的概念，并介绍如何通过Python实现神经网络。全书 分为3章和两个附录。第1章介绍了神经网络中所用到的数学思想。第2章介绍使 用Python实现神经网络，识别手写数字，并测试神经网络的性能。第3章带领读 者进一步了解简单的神经网络，观察已受训练的神经网络内部，尝试进一步改善 神经网络的性能，并加深对相关知识的理解。附录分别介绍了所需的微积分知识 和树莓派知识。 本书适合想要从事神经网络研究和探索的读者学习参考，也适合对人工智 能、机器学习和深度学习等相关领域感兴趣的读者阅读。(Python Neural Network Programming)

说明：  本手册提供规划安装、安装、调试、使用和维修传动所需的信息(This manual provides information needed for planning installation, installation, commissioning, use and maintenance of the transmission)

永磁同步电动机调速系统由pmsm月吸逆变器、永磁同步电动机和机械负载三部分组成,每个部分都具有非线性特性和参数的不确定性。因为PWM逆变器死区的存在,在低速以及调制频率很高时,死区特性将会导致逆变器输出电压包含很大的谐波分量,使得电机转矩发生很大的 脉动,甚至导致系统的不稳定。有些学者采用变结构控制降低死区的影响,由于变结构控制本身具有抖振现象,这使得所设计的控制器在到达滑模平面之前很容易激起系统的未建模动态,导致系统无法克服逆变器死区的影响。 (A PMSM drive sysetm Consisst of ade-ac inverter,PMSM and sorne meehan iealload.All hteree eom Ponenst of hte syset maerhca racterizedb ymodel swhich aernon linear and eonati nullkllown Parameetrs. )

Python配套使用资料，更直观的看到协议分析图，更好地学习。(Python supporting the use of data, see the protocol analysis more intuitive, better learning. )

高频实验Multisim仿真：一、混频器（原理图、信号输入输出波形与频率）二、调幅波的解调（原理图及全载波调幅信号的解调）三、惰性失真及底部切削失真(Multisim simulation of high frequency experiment: 1. Mixer (schematic diagram, signal input and output waveform and frequency) 2. Demodulation of amplitude modulation wave (schematic diagram and demodulation of full-carrier amplitude modulation signal) 3. Inert distortion and bottom cutting distortion)

need code for network coding

北大ACM暑期培训讲义，主讲人为北京大学历届World Final选手，具有一定的参考价值。(ACM Peking University summer training handouts, presenter of Peking University successive World Final players, has a certain reference value.)

1998-J.H. Stock, M.W. Watson Business Cycle fluctuations in US macroeconomic time series.pdf

A new grid load frequency control approach is proposed for the doubly fed induction generator based wind power plants. The load frequency control issue in a power system is undergoing fundamental changes due to the rapidly growing amount of wind energy conversation system, and concentrating on maintaining generation-load balance and disturbance rejection. The prominent feature of the linear active disturbance rejection control approach is that the total disturbance can be estimated and then eliminated in real time. And thus, it is a feasible solution to deal with the load frequency control issue. In this paper, the application of the linear active disturbance rejection control approach in the load frequency control issue for a complex power system with wind energy conversation system based on doubly fed induction generator is investigated.