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dtmf
双音多频 DTMF(Dual Tone Multi Frequency),双音多频,由高频群和低频群组成,高低频群各包含4个频率。(Dual-tone multi-frequency signaling (DTMF) is used for telecommunication signaling over analog telephone lines in the voice-frequency band between telephone handsets and other communications devices and the switching center. The version of DTMF that is used in push-button telephones for tone dialing is known as Touch-Tone. It was developed by Western Electric and first used by the Bell System in commerce, using that name as a registered trademark. DTMF is standardized by ITU-T Recommendation Q.23. It is also known in the UK as MF4.)
- 2014-01-01 23:21:31下载
- 积分:1
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仿QQ的Menu菜单效果示例源码下载
仿QQ的Menu菜单效果示例源码下载
- 2013-10-02下载
- 积分:1
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GA-FCM
遗传算法与FCM算法相结合实现图像分割,分割精度较好,速度较快(A combination of genetic algorithm and FCM algorithm to achieve image segmentation, segmentation accuracy is better, faster)
- 2012-06-05 09:06:01下载
- 积分:1
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ZXG
一个对有噪声的音频信号进行自相关滤波的c程序,用的turbo c 3.0工具(One pair of noisy audio signal autocorrelation filtering c program using turbo c 3.0 Tools)
- 2021-03-01 22:29:34下载
- 积分:1
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生成三维管线
管线生成,可以根据二维管线数据生成空间三维管线,里面有详细的代码说明已经调用方法讲解(Pipeline generation, according to two-dimensional pipeline data generated space three-dimensional pipeline, which has a detailed code that has been called to explain the method)
- 2021-01-26 10:58:37下载
- 积分:1
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S3C2410 led点灯裸机程序
有11个程序,简单的LED点灯裸机程序
- 2023-01-12 07:35:04下载
- 积分:1
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STM32FAT文件系统源码
STM32FAT文件系统源码.基于ucosII操作系统,可对SD卡执行文件操作,程序里已经详细说明各个函数的使用
- 2022-03-16 13:06:23下载
- 积分:1
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OPENGL_GIS
铁路三维地形漫游系统,使用OpenGL、VC、Oracle编写(Railway 3D Terrain System, using OpenGL, the VC, Oracle write
)
- 2020-09-13 15:57:58下载
- 积分:1
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Menu
使用VC++语言基本实现菜单栏的基本功能(VC++ language using the basic realization of the basic functions of the menu bar)
- 2011-05-10 08:16:43下载
- 积分:1
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霍夫曼树的建立及其应用
赫夫曼树是给定n个权值作为n个叶子结点,构造一棵二叉树,使带权路径长度达到最小。当输入每个树叶结点个数及字符和权值时,通过赫夫曼编码就能得到它的赫夫曼编码。
1.首先定义郝夫曼树的存储形式,这里使用了数组
2。
3.构造郝夫曼树HT,并求出n个字符的郝夫曼编码HC
4.解码函数,输入input为由多个字符赫夫曼编码构成的01序列,输出为字符串chs,其他参数同编码函数。
- 2023-07-17 20:30:03下载
- 积分:1