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dip4
对原始灰度图像进行图像压缩,对此图进行 8×8 DCT 变换后,分别只保留 DC系数,以及保留前 4、8、16 个变换系数(DC+AC) ,然后再分别进行 IDCT 变换
(The original gray image compression, this map for 8 × 8 DCT transform, respectively, to retain only the DC coefficient, and to retain the former 4,8,16 months transform coefficients (DC+ AC), and then separately IDCT transform)
- 2010-05-11 17:02:13下载
- 积分:1
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xiaobo
详细说明小波变换原理以及小波变换算法在matalb图像处理中的利用,很好的学习资料(Detail wavelet theory and wavelet transform algorithm in matalb use of image processing, good learning materials)
- 2011-10-07 00:29:53下载
- 积分:1
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compress_sensing_without_frame
Compressive sampling is an emerging technique that promises to effectively recover a sparse signal from far fewer measurements than its dimension. The compressive sampling theory assures almost an exact recovery of a sparse signal if the signal is sensed randomly where the number of the measurements taken is proportional to the sparsity level and a log factor of the signal dimension. Encouraged by this emerging technique, this thesis briefly reviews the application of Compressive sampling in speech processing. It comprises the basic study of two necessary condition of compressive sensing theory: sparsity and incoherence. In this thesis, various sparsity domain and sensing matrix for speech signal and different pairs that satisfy incoherence condition has been compiled.
- 2014-01-27 20:55:41下载
- 积分:1
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zuixiaoshengchengshu
最小生成树 用于计算旅行商问题 (Minimum spanning tree used to calculate the traveling salesman problem)
- 2011-08-10 20:11:10下载
- 积分:1
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bpskAWGN
content file describe awgn channel for coperative channel
- 2012-04-21 03:10:27下载
- 积分:1
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matlab
一维光子晶体带隙分析计算的matlab仿真(Matlab simulation of one-dimensional photonic band gap calculated)
- 2021-04-27 08:28:44下载
- 积分:1
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zhuzhou_adjust
机床主轴回转精度模拟,可以求其回转精度,圆度误差等(Spindle rotation accuracy simulation, you can find its rotary precision, roundness error, etc.)
- 2021-02-10 17:09:52下载
- 积分:1
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smi
数字波束形成,简单仿真了采样矩阵求逆这个算法(SMI digital beamforming)
- 2010-05-25 21:40:17下载
- 积分:1
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F-K
地球物理地震学——基于FK域的波场分离,也可应用于滤波(FK domain wave field separation, can also be applied to filter)
- 2021-04-17 14:18:53下载
- 积分:1
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dianwei1
电位电极系测井曲线,用matlab编写,可用于学测井的人参考(Potential electrode system logs, prepared by matlab, people can learn logging for reference)
- 2013-11-29 14:32:56下载
- 积分:1