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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
ElectromagneticField
- 这是一个利用MATLAB的GUI编的长直导线周围电磁场的可视化程序。-This GUI provides a visualization of the electromagnetic field induced by a current flowing in a straight wire. The tool also shows the current induced by a rectangular coil that is placed inside the electromagnetic
matlabFor-Pitch
- 使用Matlab进行wav文件的基音频率提取，包括自相关法、平均幅度差法和倒谱法等。-Wav files in Matlab to extract the pitch frequency, including the auto-correlation method, average magnitude difference method and the cepstrum method.
AMDF_MatlabAnalysis
- 自相关虽然能够判断清/浊音，并估计浊音的基音周期，但是其运算量很大，用乘法运算所需时间较长。为了避免乘法，采用短时平均幅度差函数（AMDF），验证AMDF与自相关有类似的作用，即平均幅度差函数能够代替自相关函数进行语音分析。-Although autocorrelation can differ from the Voiced/Unvoiced and voiced the pitch period estimate, but the operation is large enough, wit
ST
- 本程序是基于S变换的短时电能质量扰动检测方法实现的，用于分析电压暂降的幅值、相位跳变、持续时间和谐波含量进行分析-This procedure is based on the S transform short-term power quality disturbance detection method implemented for the analysis of voltage sag magnitude, phase transition, duration, and harmonic
EVM
- 该算法是经典的信噪比估计算法——误差矢量幅值法，通过计算接收信号中同相分量和正交分量的二、四阶矩，该算法能够很好的估计信号的信噪比-The algorithm is a classic signal to noise ratio estimation algorithm- the error vector magnitude method, by calculating the received signal with the phase component and quadrature com
PFC
- 此算法实现了单元机组负荷系统预测函数控制-This algorithm unit load system predictive functional control
short-time
- 数字语音的短时分析中的部分功能函数：包括短时能量、短时过零、短时幅度、短时幅度差。-Short-term analysis of digital voice some function: including short-term energy, zero short-term, short-term rate, short-time magnitude difference.
duanshipingjunnengliang
- 短时平均能量和平均幅度差函数进行基音检测的方法-Short-term average energy and average magnitude difference function pitch detection method
chirplet_analasis
- 一种自适应chirplet分解的快速算法 针对信号自适应chirplet分解未知参数多、实现起来比较困难的特点，文献[1]提出了一种新的chirplet分解快速算法。该算法利用计算信号的二次相位函数，得到其能量分布集中于信号的调频率曲线上的结论，此时通过谱峰检测可同时获得chirplet调频率、时间中心和幅度的估计；然后通过解线性调频技术获得其初始频率和宽度的估计，仿真结果验证了本文算法的有效性。 -Chirplet an adaptive decomposition al
filters
- the programs are an introduction to DSP ,the programs illustrate the frequency response ,impulse response and magnitude response
DSP
- DFT 计算 实验步骤： 主界面下进入实验九的“DFT计算”的子实验。 输入取样点数，即有限长序列 x(n) 的长度。 输入信号表达式，或直接输入离散序列。 鼠标单击确定按钮，显示原序列及 DFT 系数的幅度、相位。-DFT calculation of the experimental steps: the main interface into the experimental Kau " DFT calculation of" sub-experi
AFuzzyAdaptiveTrackingAlgorithmBasedonCurrentStati
- 基于“当前”统计模型的模糊自适应跟踪算法 我存的一篇论文，拿来与大家共享-Current statistical model needs to pre-define the value of maximum accelerations of maneuvering targets.So it may be difficult to meet all maneuvering conditions.The Fuzzy inference combined with Current stati
log_spec_super_gaussV1_1
- Toolbox for log-spectral magnitude MMSE estimators under super-Gaussian densities.
voice
- 本程序为一个用matlab实现的语音滤波程序，能计算并显示语音信号的幅频特性，巴特沃斯低通滤波器幅度和相位响应，引入噪声后的幅频特性，以及滤波后的DFT幅频特性。本程序附有语音文件以供试验。-This program is an implementation using matlab voice filtering procedures, can calculate and display the speech signal amplitude-frequency characteristics
grad
- 求RGB 的梯度值以及梯度方向 to obtain gradient magnitude and orientation of an RGB image-to obtain gradient magnitude and orientation of an RGB image
canny
- canny检测器是很有效的边缘检测器，该函数可以实现对目标图像的边缘提取。该方法总结如下：1.图像使用带有指定标准差的高斯滤波器来平滑，以此减少噪声；2.在每一点计算局部梯度和边缘方向；3.第二步中确定的边缘点会导致梯度幅度图像中出现脊，然后追踪所有脊的顶部，并将所有不再脊顶部的像素设置为0；4.执行边缘链接-canny detector is very effective edge detector, this function can be achieved on the target im
C3
- M-file for Project 1 on line parameters and circuit models in Chapter 3 m1.m determines the RLC parameters of the line from its physical descr iption and then computes the ABCD matrix and the circuit parameters of the series RL,
EVM2.0
- Error Vector Magnitude Calculation
matlab calculate 3D-eddy-current-solver
- 计算物体重涡流大小，可以对物体结构设计和改进和优化(By calculating the magnitude of the heavy eddy, the object structure can be designed, improved and optimized)