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SimplexQWQW
A simple minimizer of in-line coded functions, for teaching and experimentation
- 2010-11-11 08:50:44下载
- 积分：1
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03607_28
DFT进行频谱分析时的三种现象
1、混叠：对连续信号采样，要求连续信号是带限的，采样频率要足够高。Fs应满足Nyquist采样定理才不产生混叠。
采样前加低通滤波器防混叠
2、频谱泄漏：DFT对时域信号进行了截断（相当于采样信号乘了一个窗函数），时域的乘积相当于频域卷积，改变了原信号频谱。
改用其他窗函数（非矩形）改善泄漏。
3、栅栏现象：DFT 只给出了频谱在采样点上的取值，采样点间的频谱内容丢失。(DFT spectrum analysis of a three phenomena, aliasing : continuous signal sampling, requiring continuous signal is band-limited, the sampling frequency should be high enough. Fs meet the Nyquist Sampling Theorem would not have aliasing. Sampling former low-pass filter plus anti-aliasing 2, spectrum leakage : DFT right time domain signal a disconnect (equivalent to a sampling signal by a window function). time domain is equivalent to the product of frequency-domain convolution, changes in the spectrum of the original signal. Window functions to switch to other (non-rectangular) to improve leakage. 3, fenced phenomenon : DFT spectrum is given only at the sampling point value, sampling points of the spectrum as lost.)
- 2007-05-08 16:22:17下载
- 积分：1
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paper_J22
papers for mppt of solar
- 2013-02-09 07:40:46下载
- 积分：1
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CascadeAlgorithm
超好用的Cascade Algorithm碼源,有gui介面及註解可參照,(The Cascade Algorithm Chao Haoyong source code, there are gui interface and annotation can be a reference to)
- 2009-11-09 15:57:28下载
- 积分：1
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WSN-fundamentals-in-Matlab
wsn fundemental in matlab
- 2011-06-20 17:38:59下载
- 积分：1
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SpeedADRC_CurrentPI
PMSM双闭环控制，速度环采用自抗扰控制，电流环PI控制(PMSM double closed loop control, speed loop using auto disturbance rejection control, current loop PI control)
- 2018-03-27 13:09:09下载
- 积分：1
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UnitCommitment
Unit commitment with programming
- 2010-07-12 01:43:03下载
- 积分：1
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Philosophers
这个程序可以演示关于哲学家就餐的问题，对于理解线程的相互等待有很好的作用(This procedure can be demonstrated on the Dining Philosophers problem, each thread to wait for understanding the role of good)
- 2010-01-06 20:31:16下载
- 积分：1
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guihua
说明： Matlab学习宝典
规划问题
Matlab学习宝典
(Matlab learning to learn Matlab programming problem Baodian Baodian)
- 2008-12-01 13:03:40下载
- 积分：1
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183176476-Study-Simulation-of-Vehicular-Ad-Hoc-Ne
simulink vanet in matlab
- 2014-02-18 14:08:20下载
- 积分：1
