Description: 语音PCM编码,从输入,在高斯白噪声下传输到译码-PCM voice coding, from the importation of the white Gaussian noise transmitted to the decoder Platform: |
Size: 2048 |
Author:eleven |
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Description: pcm编码设计和最佳量化器设计仿真程序。建议在matlab 6.1 或以上的版本,可直接运行。-pcm coding design and the best quantitative design simulation program. Recommendations in Matlab 6.1 or more versions can run. Platform: |
Size: 1024 |
Author:武刚 |
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Description: PCM通信系统脉冲编码调制的信源编码,可以运行。模拟PCM的编码的波形!-PCM communication system pulse code modulation source coding, can run. Simulation of the PCM waveform coding! Platform: |
Size: 21504 |
Author:wstc |
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Description: 这是一个PCM的编码调制方案的仿真程序。其中包含了对信号的量化。-This is a PCM coding modulation scheme of the simulation program. Which contains the signals quantified. Platform: |
Size: 15360 |
Author:杨丽 |
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Description: 本程序可以对一个模拟信号进行数字化,使用的是PCM即脉冲编码调制,其结果是将样值转化为8位PCM编码。现今语音编码大多数采用这类编码方法-This procedure can be an analog signal to digital, using pulse code modulation or PCM, and the result is kind of value will be translated into eight PCM coding. Most of the current speech coding to adopt this type of coding method Platform: |
Size: 2048 |
Author:徐健 |
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Description: 通过PCM调制实现信源编码,通过抽样,调制通过MATLAB软件实现-Through the realization of PCM modulation source coding, through sampling, modulation through the MATLAB software Platform: |
Size: 1024 |
Author:dxq |
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Description: 适用MATLAB仿真实现对模拟信号的采样量化编码程序(模拟信号采样经均匀量化后自然二进制编码),通信系统仿真必备-The application of MATLAB simulation of analog signal sampling quantization coding procedures (analog signal sampling by the uniform quantization after the natural binary code), communication system simulation must Platform: |
Size: 1024 |
Author:侯婷 |
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Description: A/u 律PCM 编码及恢复,分为A 率压缩公式编码、A 率扩张解码、A 率13 折线编码-A/u law PCM coding and restoration, is divided into A formula for the rate of compression coding, A rate of expansion of decoding, A rate of 13 line coding Platform: |
Size: 1024 |
Author:zhangwei |
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Description: 实现了对模拟信号的量化编码并计算了模拟信号的量化噪声-The realization of the analog signal and the quantization coding to calculate the quantization noise analog signal Platform: |
Size: 3072 |
Author:ming |
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Description: 脉冲编码调制(PCM)实现
编程实现PCM技术的三个过程:采样、量化与编码。
采样:低通连续信号采样,以 x=sin(200*t) m=x./(200*t) m=m.*m 为例说明低通采样定理,绘出信号时、频图形;带通连续信号采样,以x=sin(20*t) m=x./t 为例说明带通采样定理,绘出信号时、频图形。
量化:均匀量化,以幅度 的正弦信号为例实现为64级电平的均匀量化;非均匀量化,输入A律PCM编码器的正弦信号 ,采样序列为 ,将其进行PCM编码,给出编码器的输出码组序列
编码:以上述信号为例,实现A律的13折线近似法及国际标准PCM对数A律量化编码。-Pulse code modulation (PCM) to achieve
PCM technology programming three processes: sampling, quantization and coding.
Sample: low-pass continuous signal sampling to x = sin (200* t) m = x./(200* t) m = m.* m an example low-pass sampling theorem, draw the signal, frequency graphics bandpass sampling continuous signals to x = sin (20* t) m = x./t an example bandpass sampling theorem, draw the signal, frequency graph.
Quantization: uniform quantization, in order to realize the magnitude of sinusoidal signal as an example for the 64 level uniform quantization non-uniform quantization, input A law PCM encoder sine signal, the sampling sequence, to be PCM encoded, the encoder is given The output code sequence
Code: A Case Study of the signal to achieve the 13 A line approximation law and international standards on the number of A law PCM coding quantization. Platform: |
Size: 2048 |
Author:马芳 |
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Description: 运用matlab仿真分析了PCM信源编码+FSK调制过程-Matlab simulation analysis of the use of PCM source coding+ FSK modulation process Platform: |
Size: 126976 |
Author:焦惠芳 |
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