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junyunzuihou
- 产生一个幅度为1,频率为w=1的正弦序列,采用均匀PCM方案,将其进行8级量化和16级量化,在同一坐标系内绘出原始信号和量化信号的曲线,并计算量化的S/N-Generating an amplitude of 1 and a frequency of the sinusoidal sequence w = 1, the uniform PCM scheme, which is carried out 8 and 16 quantization quantization, the original
PCM_ALaw_EncodeAndDecode
- This a PCM A Law Encode And Decode Programme! It is very useful for user in voice coding!
Communication_Systems
- 通信原理实验,简单的通信系统设计,对图像采用PCM编码、OOK调制、过awgn信道后解调、解码,最后恢复内容-Communication principle experiment, a simple communication system design, image using PCM coding, OOK modulation, over awgn channel demodulation, decoding, and finally resume content
PCM
- Implementation and Signal to Quantize noise ratio (SQNR) in Pulse code modulation using Matlab. Also compared A-law, u-law, companding.-Implementation and Signal to Quantize noise ratio (SQNR) in Pulse code modulation using Matlab. Also compared A-la
sigure
- 模拟信号的数字传输,先PCM编码,然后信道传输后解码还原。-Analog signal digital transmission, the first PCM encoding, and then decode the channel after transmission reduction.
junyunlianhua_code
- 基于PCM的均匀量化编码,代码注释,方便学生使用,下载即可用。-PCM-based uniform quantization coding, download can be used.
Line_Codes
- Source Code Line-Codes(URZ,UNRZ,BRZ,MANCHESTER) to the comunications sistems PCM -Source Code Line-Codes(URZ,UNRZ,BRZ,MANCHESTER) to the comunications sistems PCM
RRAMN
- 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 pulse code modulation communication system source code, you can run, simulation of the PCM coding waveform!
FSK
- 数字频带通信系统 输入:首先输入模拟信号,给出此模拟信号的时域波形。 数字化:将模拟信号进行数字化,得到数字信号,可以选择PCM编码。 调制:可以选择简单的二进制数字调制方式。例如振幅键控(2ASK)、相移监控(2PSK)、频移键控(2FSK)、差分相移键控(DPSK)等。要求每个题目至少选择两种调制方式。有能力的同学也可以选择其它高效的调制方式例如多进制数字振幅键控等给出调制后信号的时域波形。 信道:假定信道属于加性高斯信道或自行设计。 解调:相应的2ASK、2PSK、2FSK、
synthrtic
- 该代码实现了A率和mu率PCM算法,有详细的注释说明,()
MATLAB程序例子
- 实现数字基带信号的编码,使用的是PCM编码和曼切斯特信道编码;整个程序包含编码和解码的全过程,以及最后对传输信号的正确性进行计算