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jpeg2avihojoon
This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious.
(This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious.
)
- 2009-09-17 13:05:51下载
- 积分:1
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ID1-2
基于MATLAB的一阶和二阶模型辨识程序(加入1 的白噪声)仿真后得出辨识以及实际阶跃图形(MATLAB-based first-order model identification procedures (adding 1 white noise) simulation based on the identification of the actual step graphics)
- 2013-04-17 11:33:58下载
- 积分:1
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zernik
对图像运用zernike矩提取轮廓和图像重构(code)
- 2009-10-22 10:22:55下载
- 积分:1
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Adaptive-filter-algorithm
说明: 自适应滤波算法与实现_Matlab程序,基础的程序算法(_Matlab Adaptive filter algorithm and implementation procedure)
- 2011-03-21 15:31:54下载
- 积分:1
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QPSK
QPSK信号经过调制,高斯信道,带通滤波器,解调,判决,误码率仿真(
QPSK modulated signal, Gaussian channel, bandpass filters, demodulation, judgments, BER simulation)
- 2015-01-31 18:45:52下载
- 积分:1
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LINEAR
说明: 利用EM算法对状态空间模型中的参数进行辨识,效果良好(The EM algorithm is used to identify the parameters in the state space model, and the result is good.)
- 2021-03-26 20:39:13下载
- 积分:1
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MATLAB-Course-(on-ppt)
a very useful Matlab course with examples and implementations.
- 2011-04-26 01:23:15下载
- 积分:1
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chee_pv
photovoltaic array model
- 2013-02-09 07:31:26下载
- 积分:1
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MCR-ALSPtoolbox
多元曲线分辨工具箱,可以处理色谱联用数据,得到纯光谱曲线和色谱图。(Multivariate curve resolution Toolbox, you can handle the chromatography data, the pure spectral curve and chromatogram.)
- 2012-09-09 00:55:57下载
- 积分:1
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TimeWatch
clock for different country
- 2009-12-02 07:53:22下载
- 积分:1