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final101
a matlab program for simulation of wsn
- 2013-08-01 17:45:27下载
- 积分：1
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mt
说明： 音频的信息隐藏技术是利用了人耳听觉系统的时域掩蔽特性。(Audio information hiding technique is the use of the human auditory system' s time-domain masking properties.)
- 2014-05-21 21:29:20下载
- 积分：1
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FIR
1、验证窗函数 N 变化时，验证其频谱主瓣副瓣比、主瓣宽度的变化。
a)矩形窗函数的 N 变化时，验证其其频谱主瓣副瓣幅度比基本不会发生变化，
而主瓣宽度将会变窄。这说明，当用矩形窗函数设计滤波器时，增大 N 不能使
得阻带衰减减小，但能够减小过渡带。
b)再选取其他的窗如 hamming/hanning 窗，验证当 N 变化时，其频谱主瓣宽
度变化、主瓣副瓣比值变化情况。
2、用窗函数法设计线性相位 FIR 低通，通带截止频率 wp=0.5PI, 阻带截止频率 ws=0.6PI,
阻带衰减不小于 40dB,通带衰减不大于 3dB.
a)选取 Hanning,Hamming 窗查看设计出来的 FIR 的过渡带宽和阻带衰减是否
满足要求，二者有什么不同。
b)使用 hamming 窗，将窗长增大 1 倍，设计 FIR。验证同样的窗函数类型
(hamming)，不同窗长度时，设计出来的 FIR 的过渡带宽和阻带衰减都有什么变
化。
3、不使用 Matlab 系统函数得到上一项指标的低通，并与上一项结果比较。
4 用窗函数法设计线性相位 FIR 高通，通带截止频率 wp=0.8PI, 阻带截止频率
ws=0.7PI, 阻带衰减不小于 30dB,通带衰减不大于 3dB.(An actual filter is implemented using the truncated unit impulse response sequence of the ideal filter.
For the ideal low pass filter, the unit impulse response h, N, D () is intercepted by a length of N, and the length is
The N sequence H (n), when intercepted, guarantees causality and linear phase requirements for the filter.
In order to reduce the Gibbs effect, the H (n) window is added, and the appropriate window function is selected to ensure the stopband attenuation and
Transition zone requirement. Note that the sidelobe of the window function affects the stopband attenuation of the filter, and the main lobe width affects the filter
Transition bandwidth.)
- 2017-07-06 11:55:24下载
- 积分：1
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Ant-Colony-Algorithm
Considering the complete process of surgery including the
preoperative and postoperative stages, multiple resource constraints involved and
the integration of surgical upstream and downstream resources, surgery
scheduling was described as an extended multi-resource constrained flexible
job-shop scheduling problem and an optimization approach was proposed based
on an improved ant colony algorithm. A resource selection rule and strategy of
overtime judging and adjusting was designed, and the scheduling process with
the ant colony algorithm was realized. The case study shows that the improved
ant colony algorithm proposed in this paper achieved good results in shortening
total time and allocating resources for surgery scheduling
- 2015-03-01 20:40:07下载
- 积分：1
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Quadratic-programming
二次规划程序(Quadratic programming)在matlab的源代码(Quadratic programming codes in matlab)
- 2012-11-06 15:47:41下载
- 积分：1
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M.File
IEC Flickermeter Simulation
- 2014-02-13 02:49:28下载
- 积分：1
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powerflow_algorithm
基于matlab编程环境的电力系统潮流计算pq算法(Matlab programming environment based on the power flow algorithm for computing PQ)
- 2009-09-26 19:48:30下载
- 积分：1
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OFDM
正交频分复用其主要思想是：将信道分成若干正交子信道，将高速数据信号转换成并行的低速子数据流，调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开，这样可以减少子信道之间的相互干扰 ICI 。(Orthogonal Frequency Division Multiplexing)
- 2009-12-29 17:23:31下载
- 积分：1
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wind_power_yuan2
一个关于风力发电的仿真模型，应用的是双馈电机。(A simulation model of the wind power generation, application of the doubly-fed machine.)
- 2012-09-06 21:30:26下载
- 积分：1
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LocalHE2
Local Histogram Equilizaion, its input is the mask size
and returns the equilized image buffer
- 2010-01-03 01:09:53下载
- 积分：1
