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pcm编码 有关线性
- pcm编码 有关线性、A律、mu律的pcm编码的matlab实现,pcm encoded on the linear, A law, mu law encoded pcm achieve matlab
matlabpcmA13.rar
- 简单易懂的A-Law(13-segment) PCM的源代码,encode 的过程,适合初学者,Easy-to-read A-Law (13-segment) PCM source code, encode process, suitable for beginners
MATLAB
- 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
PCM
- 利用Matlab仿真脉冲编码调制(PCM)及A律、μ律PCM对声音进行压缩编解码过程。 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。波形编码器的作用是对采样后的信号样本进行量化和编码。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
- 脉冲编码调制pcm的matlab防真 A律 U律-Pulse code modulation pcm true of matlab anti-U Law A Law
aaa
- 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
matlab
- 计DFT,IDFT,FFT,循环卷积,循环移位以及重叠保留法-Of DFT, IDFT, FFT, cyclic convolution, cyclic shift and overlap to retain the Law
Quantization_simulink
- Quantization (signal processing) uniformly and non-uniformily using A and miu law od companding. simulation using simulink/matlab
pcm
- 语音编码中A律pcm编码、译码的matlab仿真-Speech Coding A law pcm encoding, decoding matlab simulation
MATLAB
- 语音编码中A律pcm编码、译码的matlab仿真-Speech Coding A law pcm encoding, decoding matlab simulation
ulawcompander.m
- 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
pcm
- 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
Docwithmatlabprog
- The document is a lab manual containing codes for a-law companding, mu-law companding, speech compresion, huffman doc and performance evaluation of cdma.
steep
- 一个关于最速法的,matlab程序。经试验,效果很好。-A law on the most speed, matlab program. After testing, the effect is very good.
matlab
- 这组代码模拟了整个信号的编码,调制,解调,译码在无线通信,其中包括A-law扩展,PCM和的2PSK调制解调的技术过程。-This collection of codes simulates the whole signal encoding, modulation, demodulation, decoding process in wireless communication, which involves the techniques of A law companding, PCM, a
Power-Spectrum--simulation-in-Matlab
- 功率谱估计 经典的功率谱估计是将数据工作区外的未知数据假设为零,相当于数据加窗。经典功率谱估计方法分为:相关函数法、周期图法以及改进的周期图估计法即平均周期法和平滑周期图法; 1相关函数法 2周期图法 3平均周期图法和平滑平均周期图法-Power spectrum estimation is the classical power spectrum estimation of work zone data assumed to be zero outside the known
the-non-uniform-uniform-quantizer
- 用MATLAB实现13段折线A律压缩与均匀量化构成的非均匀量化器-13 line in MATLAB A-law compression and quantitative composition of the non-uniform uniform quantizer
analysis-of-wind-turbine-blades
- 利用目前风力机叶片设计普遍采用的优化设计方法Wilson设计A-法,通过MATLAB编程,开发了小型叶片气动设计的应用程序,并利用该程序设计了一台3kW小型水平轴风力机叶片。采{用MATLAB和ANSYS共同建立了风力机叶片三维有限元参数模型,MATLAB编制的建模程序提高了{初期设计效率,缩短了ANSYS分析前处理时间。在此基础上进行了叶片固有振动特性计算,分析了叶《片的振动特性及其与结构参数之间的关系,分析方法和结果对风电叶片的结构设计和动力分析有一定;的参考价值。-Advantage of
A-Law-a-Mu-Law
- A law mu law calculation matlab
pcm A律
- pcm编码A律Simulink和MATLAB(PCM in the communication system to complete the voice signal digital function, and its implementation mainly includes three steps to complete: sampling, quantization, coding. The binary representation of time discrete, amplitud