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JPEG

于 2020-07-06 发布

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下载积分: 1 下载次数: 4

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代码说明：

说明：实现bmp图像的压缩编码解压，包括哈弗曼编码解码 dct变换量化(Realize the BMP image compression coding decompression)

文件列表：

JPEG, 0 , 2020-07-05
JPEG\1.bmp, 66616 , 2020-06-30
JPEG\222.png, 119173 , 2020-05-03
JPEG\dcta.m, 227 , 2020-05-28
JPEG\jpeg.m, 2757 , 2020-07-01
JPEG\lena512.bmp, 263222 , 2020-05-28
JPEG\lkhfdeco.m, 745 , 2020-06-30
JPEG\lkhfenco.m, 736 , 2020-06-21
JPEG\test.m, 224 , 2020-07-04

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zp
说明：一个用jbuilder做纸牌游戏，希望对你学习有帮助(A card game using jbuilder do, and they hope to help you learn)

2008-11-27 16:38:18下载

积分：1
RDpoint
RD点目标仿真算法,通过距离和方位压缩算法，对目标回波数据进行成像。(Point target simulation of RD)

2021-04-27 22:08:44下载

积分：1
7zipDll
完善后的LZMA(7ZIP)压缩DLL文件,且带有示范使用源码。(Perfect after LZMA (7ZIP) compressed DLL files, and a demonstration on the use of source code.)

2007-09-24 12:25:04下载

积分：1
A-REMARK-ON-COMPRESSED-SENSING
说明：一篇关于压缩感知的经典文章，压缩感知（Compressed sensing，简称CS，也称为Compressive sampling)理论异于近代奈奎斯特采样定理，它指出：利用随机观测矩阵可以把一个稀疏或可压缩的高维信号投影到低维空间上，然后再利用这些少量的投影通过解一个优化问题就可以以高概率重构原始稀疏信号，并且证明了这样的随机投影包含了原始稀疏信号的足够信息。(A classic article on compressed sensing, compressive sensing (Compressed sensing, referred to as CS, also known as Compressive sampling) different from the modern theory of the Nyquist sampling theorem, which states: the use of a random measurement matrix can be sparse or compressible high-dimensional signal projected to low dimensional space, and then use a small amount of projection by solving an optimization problem to be sparse with high probability to reconstruct the original signal, and prove that random projection of the original sparse signal contains enough information.)

2011-04-10 08:29:58下载

积分：1
Huffman
对于哈夫曼编码的仿真，可以计算平均码长、熵、压缩比、编码效率(Simulation of Huffman coding)

2020-12-11 23:09:18下载

积分：1
TWIST_v2
该程序包含两部迭代收缩阈值算法在几个方面的应用，包括图像，1范数和2范数的核心算法。(The program includes two parts of iterative shrinkage threshold algorithm in several aspects, including image, 1 norm and 2 norm core algorithm.)

2019-07-16 16:43:05下载

积分：1
低频减载的MATLAB仿真模型
说明：电力系统的频率反映了发电机组所发出的有功功率与负荷所需的有功功率之间的平衡情况。当系统发生较大事故时,系统出现严重的功率缺额,其缺额值超出了正常热备用可以调节的能力,这时即使令系统中运行的所有发电机组都发出其设备可能胜任的最大功率,仍不能满足负荷功率的需要,所引起的系统频率下降值将远远超出系统安全运行所允许的范围。在这种情况下从保障系统安全运行的观点出发,为了保证电网安全和对重要用户的供电,不得不采取应急措施,切除部分负荷,以使系统频率恢复到可以安全运行的水平内。(The frequency of the power system reflects the balance between the active power generated by the generating unit and the active power required by the load. When the active power from the power plant does not meet the requirements of users, the system frequency will decrease. Frequency fluctuation caused by unplanned load in normal operation of the system. At this time, the system uses the hot standby capacity of the power plant, that is, the generator capacity in the system operation is enough to meet the needs of users. However, when the system has a major accident, the system has a serious power shortage, which is beyond the adjustable capacity of normal hot standby. At this time, even if all the generating units operating in the system send out the maximum power that their equipment may be competent for, they still cannot meet the demand of load power rate, and the resulting system frequency drop value will be far beyond the allowable range of safe operation of the system.)

2020-11-19 16:29:37下载

积分：1
EZW
基于小波变换的图像压缩，使用EZW算法。(Image compression based on wavelet transform, using EZW algorithm.)

2018-05-14 21:20:28下载

积分：1
huffman
huffman编码用于图像的压缩和解压，很好用的，可以用于各类图像的处理(huffman coding for image compression and decompression, useful, and can be used for all kinds of image processing)

2010-05-08 14:58:05下载

积分：1
校际运动会管理系统
校际运动会管理系统(Schools Games Management System)

2020-07-02 14:20:01下载

积分：1

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JPEG

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