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normalized huffman code for digital comm

组合数学和图论中的概率方法 组合数学和图论中的概率方法.pdf(Combinatorics and graph theory probabilistic methods)

低密度奇偶校验码（LDPC）及其译码算法仿真实现，并有误码率分析，是matlab的程序(Low-density parity check code (LDPC) decoding algorithm simulation and realization, and bit error rate analysis, is matlab program)

脉冲编码调制（PCM，Pulse Code Modulation）是一种将模拟语音信号转换成数字信号的编码方式，从数学上来看，量化过程就是把一个连续幅度值的无限数集合映射成一个离散幅度值的有限数集合，编码就是用一组二进制数来表示这些映射后的有限数。 国际标准化的PCM采用折叠二进制码，符合长途电话质量。根据量化方法的不同，PCM 可分为均匀量化PCM 和对数PCM 两大类，对数PCM中，A律和μ律编码都已被定为国际标准。 本程序实现了A律、μ律以及均匀量化三种PCM，并带有GUI界面，方便使用。可以计算编码后的码率、运行时间以及最小均方误差。(Pulse Code Modulation (PCM, Pulse Code Modulation) is an analog voice signal into digital signal encoding, from the mathematical point of view, the process is to quantify the magnitude of the value of an infinite number of continuous mapping into a discrete set of the limited range of values number set, code is a set of binary digits, said after a limited number of these maps. By folding the International Standardization of PCM binary code, in line with long-distance telephone quality. According to the different quantitative methods, PCM can be divided into uniform quantization PCM PCM and the number of two categories, on the number of PCM, A law and μ-law code have been designated as international standards. A law implemented in this program, μ law and the uniform quantization of three PCM, with a GUI interface, easy to use. Encoded bit rate can be calculated, running time and minimum mean square error. )

MSK和GMSK数字调制方式的比较，主要利用simulink模块来实现仿真。(Comparison between GMSK-Modulation (GSM standard), MSK Type A-Modulation and MSK Type B-Modulation)

压缩感知 L1范数最小化算法正交匹配追踪法重构信号(compressive sensing L1-norm OMP signal reconstruction )

Matlab codes for Face and Eye detection.

ARMA模型的matlab实例,希望可以帮到大家(ARMA model matlab example and I hope you can help)

主要是些matlab的常用指令，对大家可能会有所帮助(Mainly those commonly used matlab instructions may help to everyone)

10 labs for digital signal processing for beginners using matlab