24-转子-轴承系统的临界转速

说明：  迭代计算算法，能够完成收敛分析，求解非线性方程根的一个很有效的方法。(Iterative algorithm can complete convergence analysis and solve the roots of non-linear equations.)

comsol 渐变折射应用 COMSOL gradient index case(COMSOL gradient refraction applications)

本模型采用矢量控制与SVPWM相结合的方法，应用在低压微电网中。直流源电压为600V，逆变器输出电压为380V，可实现稳定功率输出。模型对网侧控制策略中每一模块尽量做出了说明，方便初学者更快理解三相逆变器控制策略的实现方法，运行效果非常好。(This model adopts the method of combining vector control with SVPWM, which is applied in low voltage microgrid. The DC source voltage is 600V, and the inverter output voltage is 380V, which can achieve stable power output. Each module is explained as far as possible in the network side control strategy. It is convenient for beginners to understand the realization method of the three-phase inverter control strategy faster, and the operation effect is very good.)

源自电力系统运行与控制一书，简单的机组组合问题（UC）算例程序(包括主程序、经济调度程序以及动态规划程序)(basic code for Unit Commitment（including mainUC, economic dispatch and dynamic program）)

说明：  形成低通滤波器及实际RC低通滤波电路的单位冲激响应与频谱图(Unit impulse response and frequency spectrum of low pass filter and practical RC low pass filter circuit)

噪声调幅干扰和噪声调频干扰的matlab仿真(AM noise jamming, FM noise jamming)

说明：  很强大的数据拟合软件，能做各种方程拟合，精度很高(Data Fitting software)

说明：  matlab仿真建模，用于电力系统可靠性分析，建立的2区，四机模型，用于电力系统可靠性分析与规划、潮流计算(Matlab simulation modeling, used for power system reliability analysis, the establishment of a 2-zone, four-machine model, used for power system reliability analysis and planning, power flow calculation)

采用MATLAB编写的，斜齿轮时变啮合刚度计算程序(Matlab program to calculate the time-varing menshing stiffness of helical gear)

P.563源码 语音质量评估 c语言实现(P.563 Speech quality evaluation C source code)