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PCM编码实例。包括均匀量化编码，非均匀量化编码，及A率PCM编码。-PCM coding examples. Including uniform quantization coding, non-uniform quantization coding, and A PCM coding rate.
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实现对数压缩PCM和线性PCM的信噪比特性曲线的仿真，非均匀量化级数为n=8和n=6。-realization of a number of PCM compressed and linear PCM signal-to-noise ratio of the characteristic curve simulation, non-uniform quantization Series n = 8 and n = 6.
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本程序利用VC实现均匀量化和非均匀量化信噪比的仿真。并画出曲线-procedures for the use of the VC uniform and non-uniform quantization SNR quantitative simulation. And he painted curves
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图像颜色特征的提取：HSV颜色直方图 描述的是图像的整体颜色情况。本程序采用非均匀量化方法得到36bin的颜色直方图。,Image Color Feature Extraction: HSV color histogram describes the situation of the image' s overall color. This procedure using non-uniform quantization method the color histogram 36bin.
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产生长度为1000的标准正太分布的随机信号，画出时域波形及频谱；
采用u=255的非均匀PCM编码，每符号为8bit，画输入-输出关系图；
计算信号量化噪声比（SQNR）；
信道误码率为10-3；
解码，并画出u律反变换后的信号时域波形及频谱。
扩展要求：
采用均匀PCM、量化级数可变、信道误码率可变。
- have a standard len
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介绍A律13折线的原理，很好很强大,非均匀量化参考好资料-A law introduced the principle of 13 line, nice and strong, non-uniform quantization good reference information
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用matlab编A律13折线非均匀量化信噪比.m- non-uniform quantization noise ratio
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Quantization (signal processing)
uniformly and non-uniformily using A and miu law od companding.
simulation using simulink/matlab
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L3_1.m: 純量量化器的設計(程式)
L3_2.m: 量化造成的假輪廓(程式)
L3_3.m: 向量量化器之碼簿的產生(程式)
L3_4.m: 利用LBG訓練三個不同大小與維度的碼簿並分別進行VQ(程式)
gau.m: ML量化器設計中分母的計算式(函式)
gau1.m: ML量化器設計中分子的計算式(函式)
LBG.m: LBG訓練法(函式)
quantize.m:高斯機率密度函數的非均勻量化(函式)
VQ.m: 向量量化(函式)
L3
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均匀PCM量化和u律非均匀量化的对比效果分析实验.-Uniform quantization and u law PCM non-uniform contrast quantitative analysis of experimental results.
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均匀量化和非均匀量化在性能上存在着显著的差异，这种差异可以用信号通过量化器后的量躁比来反映出来。本程序用曲线表示了理论和实际两个方面下两种量化的量躁比。从而可观察他们的性能上的差别。-There are significant differences with the function between Uniform quantization and non-uniform quantization ,which can be quantified by SNR from the quant
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模拟信号转换成数字形式,必须要经过量化才能实现。标量量化的方法包括均匀量化和非均匀量化两种,这两种方法都会带来精度的损失。文中探讨了模拟信源量化的最优算法,并用C语言实现了高斯信源在不同量化电平下均匀量化和非均匀量化的最优步长的数值计算。通过对计算结果进行比较,给出了非均匀量化优于均匀量化的具体结论。-Analog signals into digital form, you must go through quantification can be achieved. Scalar unifo
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Companding is essentially a technique for achieving non-uniform quantization. There are basically 2 methods which are most popular in literature.:-A-law companding and u-law companding. These algorithms help in achieving to an extend, compression. Th
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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
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They are the programs of uniform quantization and non-uniform quantization.
In digital signal processing, quantization is the process of approximating ("mapping") a continuous range of values (or a very large set of possible discrete values) by
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一个用于量化的程序，包括均匀量化和非均匀量化。-One for quantitative procedures, including non-uniform quantization and uniform quantization.
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本程序计算HSV空间的非均匀量化直方图，空间维数为36柄-HSV space, the program calculates the histogram of non-uniform quantization, space dimension of 36 handle
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对bmp格式所画的波形实现采样，均匀量化，非均匀量化，pcm编码-Bmp format of the painting to achieve the waveform sampling, uniform quantization, non-uniform quantization, pcm coding
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matlab程序实现均匀量化和非均匀量化的过程-matlab program to achieve a uniform quantization and non-uniform quantization process
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在GUI界面上，实现语音读取，描绘时域波形和频域波形，并进行采样和冲采样，最后进行非均匀量化（13折线）！-GUI interface, voice read, depicting the time-domain waveform and frequency domain waveforms, and sampling and washed samples, the final non-uniform quantization broken line (13)
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