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sfunsvpwm
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.)
- 2009-03-24 21:48:01下载
- 积分:1
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siling-mode-variable-structure
在MATLAB环境下,利用滑膜变结构控制对直线二级倒立摆进行仿真调试。广泛应用于滑膜控制系统的研究。(in MATLAB environment, the use of synovial variable structure control of two straight inverted pendulum simulation debugging. Widely used in synovial control systems.)
- 2007-05-22 13:38:38下载
- 积分:1
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Laplace
传统的短时谱估计语音增强算法通常假设语音谱分量相互独立,没有考虑语音谱分量间的相关性。针对这
一问题,该文提出一种新的基于多元Laplace分布模型的短时谱估计算法。首先,假设语音的离散余弦变换(DCT)
系数服从多元Laplace分布,以此利用谱分量间的相关性;在此基础上,利用多元随机矢量的高斯尺度混合模型表
示,推导得到语音DCT系数矢量的最小均方误差(MMSE)估计的解析表达式;并进一步推导了基于该分布模型的
语音存在概率,对最小均方误差估计子进行修正。实验结果表明,该算法在抑制背景噪声和减少语音失真等方面优
于传统的语音增强方法。(The spectral components of speech are usually assumed to be independent in traditional short-time
spectrum estimation, which is not the case in practice. Tosolve this problem, a new speech enhancement algorithm
with multivariate Laplace speech model is proposed in this paper. Firstly, the speech Discrete Cosine Transform
(DCT) coefficients are modeled by a multivariate Laplace distribution, so the correlations between speech spectral
components can be exploited. And then a Minimum-Mean-Square-Error (MMSE) estimator based on the proposed
model is derived using a Gaussian scale mixture representation of random vectors. Furthermore, the speech
presence uncertainty with the new model is derived to modify the MMSE estimator. Experimental results show
that the developed method has better noise suppression performance and lower speech distortion compared to the
traditional speech enhancement method. )
- 2014-01-18 10:44:40下载
- 积分:1
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Txiaobo
该程序(基于matlab)为小波变换在数据压缩方面的应用。原理:数据可分为高频部分和低频部分,高频部分反映了细节,而低频部分则反映概貌,故压缩部分应为高频部分。数据经此程序变换后将压缩为原来的一半。(This program (based on matlab) for the wavelet transform applications in data compression. Principle: Data can be divided into high-frequency part and low frequency, high frequency part of the reflection of the details, partly reflecting the profile of low frequency, it should be for the high frequency part of the compression part. Data will be compressed by this program change to the original half.)
- 2010-06-10 09:28:13下载
- 积分:1
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shuzishuiyindeng
基于LSB图像隐藏系统的设计与实现,LSB算法代码,信息隐藏攻击算法,DCT域的隐藏以及数字水印。(LSB based image hiding system design and implementation, LSB algorithm code, information hiding attack algorithm, DCT hiding and digital watermarking domain.)
- 2021-03-13 14:59:24下载
- 积分:1
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MultiWii_2_2_miniV2
基于ARDUINO的四旋翼飞行器,实现自动控制(Arduino for quadx)
- 2014-12-14 20:16:05下载
- 积分:1
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cdma2c
CDMA Simulation Using MATLAB
This program models a simple implementation of CDMA technology. It considers multiple bit data streams sent by any number of senders across a common channel. Each sender uses a unique code word, given by the Walsh set, to encode its data, send it across the channel, and then perfectly reconstruct the data at the receiver.
The simulation utilizes these simplifications:
1. The individual data streams share the same bit length.
2. The code words are determined using the Walsh set to create orthogonal code words.
3. The spreading factor M of each code word is identical.
4. All users (data streams and codes) are synchronized in time.
5. Set-up and hold times of real-world systems are ignored.
6. The channel through which the data passes is ideal.
- 2015-01-20 02:47:09下载
- 积分:1
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RepeatFCM
matlab编写的聚类算法代码,包含常用的各种聚类方法,可以作为聚类的程序包,有很好的使用和参考价值(matlab for clusterings)
- 2009-03-16 21:07:19下载
- 积分:1
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matlab-ocr
基于matlab的简易OCR程序。
具体可参加该文件夹内的CS585 Fall 1998 Project One.....(Simple OCR matlab-based program. May participate in the specific folder within the CS585 Fall 1998 Project One .....)
- 2010-12-10 10:44:05下载
- 积分:1
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matlab_Differential_Equation_english_recommended
说明: 这些说明包括了该课程的数值部分上半年AMAT3122数学
微分方程的方法。他们不是一个完整的笔记。(MATLAB (MATrix LABoratory) is a very powerful package designed for numerical analysis,
matrix calculations and visualisation (as well as many other applications). One of MATLABs
strengths is that it can be used as a simple ‘calculator’ and also is easy to program more complicated
tasks. Many mathematical algorithms are already built in to MATLAB and many more are easily
added)
- 2010-04-02 11:17:02下载
- 积分:1