stft

电压空间矢量发生器程序，用于三相全桥电路的脉宽调制技术，属于电力电子与电力传动学科范围。(Voltage space vector generator procedure for three-phase full-bridge pulse-width modulation circuit technology, power electronics and power belong to discipline the scope of transmission.)

文件为一些实用的函数实现,其中包括小波,复制,剪切,粘贴,一年中的第几天,一个过程所需的总天数等等.(Documents for some useful function.Including wavelet, copy, cut, paste, a year in the first few days, a process required for the total number of days and so on.)

In this project, we have designed and implemented a method to estimate the dual frequencies in sinusoids immersed in additive white Gaussian noise. The Cramér-Rao lower bound (CRLB) for the signal model and a nonlinear least square frequency estimator are derived. The estimator is evaluated by numerical examples.

matlab原理图，很全很不错的的作业，是matlab入门必看等(Schematic matlab, matlab entry, etc.)

Dont Press With Parent Layout extends Linear Layout.

说明：  实现两个语音信号的分离，采用Burg算法(To achieve the separation of two speech signals using the Burg algorithm)

求解量子力学的薛定谔方程，说明见readme.txt，使用matlab编制。可以现运行start.m(Solving the Schrodinger equation of quantum mechanics that see readme.txt, prepared using matlab. Can now run start.m)

说明：  ：针对PID参数复杂烦琐的整定过程这一问题，基于MATLAB／Simulink仿真环境，模拟工程稳 定边界法的PID参数整定策略和步骤，提出了一种简单有效的PID参数整定方法．与通常的整定方法 比较，其优点是非常直观、完全可视化操作、省去了编程的工作量．仿真结果表明该方法具有良好的收 敛性，使得控制系统动态性能得到有效改善，并且很大程度上减少了工作量．(Abstract：The process of PID parameters turning is complicated and time—consuming to engi— neering technician．To solve this problem．simulating the Z～ N method of engineering turn— ing，based on the MATLAB／simulink，a simple and eficient method for PID parameters turning is presented in this paper．Compares with the general methods，it has many advanta— ges，such as simplicity，visual manipulation，leaving out the workload of program and SO on． The simulation results show the effectiveness of this method and be fit for application in the engineering．)

船舶电力推进 直接转矩控制 进速比 仿真模型(ship dtc)

说明：  一段用来做数值计算的代码，主要是做的数值模拟，用来模拟流线形态的代码()