Description: 1．了解数字信号处理系统的一般构成；
2．掌握奈奎斯特抽样定理。
为方便实现，实验中更换了一种表现形式，即抽样频率固定（10KHz），通过改变输入模拟信号的频率来展示低通抽样定理。我们可以通过研究抽样频率和模拟信号最高频率分量的频率之间的关系，来验证低通抽样定理。-1. Understanding digital signal processing system of the general composition; 2. Master Nyquist Sampling Theorem. To facilitate the realization of the experiment to replace a form of expression, that is, fixed sampling frequency (10KHz). By changing the input signal frequency to demonstrate low-pass sampling theorem. We can, through research and sampling frequency of the highest frequency analog signal frequency components of the relationship between to verify low-pass sampling theorem. Platform: |
Size: 3072 |
Author:深蓝 |
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Description: matlab代码，数字图像矩阵数据的显示及其傅立叶变换，二维离散余弦变换的图像压缩，采用灰度变换的方法增强图像的对比度，直方图均匀化，模拟图像受高斯白噪声和椒盐噪声的影响，采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波-matlab code, digital image data display matrix and its Fourier transform, two-dimensional discrete cosine transform image compression, using gray-scale transformation method to enhance image contrast, histogram homogenization, analog image by Gaussian white noise and salt and pepper the impact of noise, using two-dimensional median filter function by medfilt2 of salt and pepper noise image filtering Platform: |
Size: 2048 |
Author:wang |
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Description: 本实验旨在了解如何将模拟的声音信号转化为数字信号，重点掌握在数字声音四个重要的技术指标：采样速率、量化比特数、声道数和编码方法。-This experiment aimed at understanding how analog voice signal into a digital signal, with a focus in the hands of digital audio technology to four key indicators: the sampling rate, quantization bits, the number of channels and the encoding method. Platform: |
Size: 6246400 |
Author:贺美琛 |
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Description: 基于Matlab的典型图像增强算法的源码
程序代码说明
P0301：数字图像矩阵数据的显示及其傅立叶变换
P0302：二维离散余弦变换的图像压缩
P0303：采用灰度变换的方法增强图像的对比度
P0304：直方图均匀化
P0305：模拟图像受高斯白噪声和椒盐噪声的影响
P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308：图像的自适应魏纳滤波
P0309：运用5种不同的梯度增强法进行图像锐化
P0310：图像的高通滤波和掩模处理
P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理
P0312：利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理-They are typical Matlab-based image enhancement algorithm.
Procedure Code Description
P0301: digital image data display matrix and its Fourier transform
P0302: Two-dimensional discrete cosine transform image compression
P0303: the use of gray-scale transformation method of contrast-enhanced images
P0304: Histogram of homogenization
P0305: analog image by Gaussian white noise and salt and pepper noise
P0306: A two-dimensional median filter function by medfilt2 of salt and pepper noise image filtering
P0307: the use of MATLAB s function affected by noise interference filter2 images mean filter
P0308: Image Adaptive Weiner Filter
P0309: the use of five kinds of different gradient enhanced image sharpening method
P0310: Image of high-pass filtering and mask treatment
P0311: the use of Butterworth (Butterworth) low pass filter on the image noise by smoothing treatment
P0312: the use of Butterworth (Butterworth) high-pass filter for sharpening Platform: |
Size: 21504 |
Author:panghuanzhi |
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Description: 这是本人夏季学期的课程设计：模拟信号数字化滤波处理的计算仿真-Chebyshev I型低通滤波，对模拟信号进行数字化滤波处理。根据数字滤波器的性能指标，计算出Chebyshev1型低通IIR数字滤波器的系统函数，画出数字滤波器的频率响应曲线，给出Chebyshev1型低通IIR数字滤波器的设计结果。-This is my summer semester of the curriculum design: analog signal processing digital simulation filtering-Chebyshev I-type low-pass filtering, on the analog signal to digital filter processing. Digital filter in accordance with performance indicators, calculated Chebyshev1-type low-pass IIR digital filter systems function, to draw the digital filter frequency response curve, give Chebyshev1 type low-pass IIR digital filter design. Platform: |
Size: 2048 |
Author:阿祥古 |
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Description: PCM编码把模拟信号转换为数字编码，在通信电路的目的地，脉冲调制解调器将二进制的数字编码重新转换成那些在调制器中有相同量子水平的脉冲。-PCM encoding to convert analog signals to digital encoding, the destination of the communication circuit, the binary pulse modem re-converted into digital code modulator in which the quantum level of the same pulse. Platform: |
Size: 3072 |
Author:蔡晓 |
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Description: 覆盖了全书的信号与线性系统、随机过程、模拟调制、模拟数字转换、基带数字传输、带限信道的数字传输、载波调制的数字传输、信道容量和编码、扩频通信系统以及数字调制方法的SIMULINK仿真的 源代码-Book covers the signal and linear systems, stochastic processes, analog modulation, analog-to-digital conversion, base-band digital transmission, band-limited digital transmission channel, the digital transmission carrier modulation, channel capacity and coding, spread spectrum communication systems, and digital modulation SIMULINK simulation method source code Platform: |
Size: 89088 |
Author:xiehui |
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Description: 现代通信系统(MATLAB版)(第二版)刘树棠译
本书系Brooks/Cole出版公司（Thomson Learning出版集团的下属子公司）2000年推出的BookWare系列丛书（BookWare Companion SeriseTM）之一种。该书提供了利用MATLAB的普及型学生版本在计算机上解决“现代通信系统”这门课程中涉及的几乎所有方面的问题的分析思路、方法、MATLAB脚本文件和处理结果的范例以及供学生自主学习研讨的习题。全书内容分为9章，分别是：信号与线性系统；随机过程；模拟调制；模拟/数字转换；基带数字传输；带限信道的数字传输；载波调制的数字传输；信道容量和编码；扩频通信系统。 -This book Brooks/Cole Publishing (Thomson Learning Publishing Group, a subsidiary) in 2000 launched BookWare Series (BookWare Companion SeriseTM) of a kind. The book provides the advantage of the popularity-based student version of MATLAB on the computer to solve the " modern communications systems," This course covered almost all aspects of the analysis of ideas, methods, MATLAB script files and processing the results of examples, as well as independent study for students seminar to answer. The book consists of nine chapters, namely: Signal and Linear System stochastic process analog modulation analog/digital conversion base-band digital transmission band-limited channel digital transmission carrier modulation digital transmission channel capacity and coding spread-spectrum communication systems. Platform: |
Size: 13392896 |
Author:jiajunxian |
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Description: 这是一个基本的数模题目的套路，分析数模聚类问题，例子是乳腺癌的诊断模型，过程为标准化数据，逐步回归，分析主要因素，聚类方法有距离法和神经网络法，均附有源码和解释说明-This is an essential topic of routine digital-analog, digital-analog cluster analysis problem example is the breast cancer diagnostic model, the process for the standardized data, stepwise regression, analysis of major factors, clustering methods from the method and neural network are with source code and explanations Platform: |
Size: 624640 |
Author:林云龙 |
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Description: Modulate with matlab & simulink
Digital signal (QPSK,ASK,FSK,QAM...)
Analog signal (AM,FM,PM)
MATLAB release MATLAB 7.8 (R2009a) Platform: |
Size: 520192 |
Author:Rafal |
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Description: 数字与模拟通信系统（第七版）一书中的matlab源程序-Digital and analog communication systems (seventh edition), a book of matlab source code Platform: |
Size: 86016 |
Author:蜡笔小新 |
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Description: 基于Matlab仿真的数字锁相环的设计进行了详细的分析和模拟，数字和模拟锁相环的论文-Matlab-based simulation of digital PLL design, a thesis on digital and analog phase-locked loop for a detailed analysis and simulation Platform: |
Size: 2048 |
Author:xufeng |
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Description: Matlab 仿真技术与应用 MATLAB 是一个工程和科学计算软件，融科学计算、数据图形可视化、信息
处理于一体，广泛应用于数理统计、动态系统仿真、自动控制、信号处理、模拟
与数字通信、模式识别、动力工程、电力系统、雷达与声纳工程等学科领域。本
研究生公共实验课程主要面向全校各专业的研究生。通过统计和评估全校各个专
业上课频率的基础上，制定了该实验教材的综合实验内容，主要包括四个部分，
由上课的四位老师进了实验的编制工作。-Matlab simulation using MATLAB is an engineering and scientific computing software, financial scientific computing, data graphical visualization, information
Processing in one widely used in mathematical statistics, dynamic system simulation, automatic control, signal processing, analog
Digital communication, pattern recognition, power engineering, power systems, radar and sonar engineering disciplines. This
Graduate experimental courses primarily for graduate students in the whole school. Each designed by statistics and assess the whole school
Industry on the basis of attendance frequency, the development of a comprehensive experimental content of the experimental teaching materials, consists of four main parts,
By four teachers of the school into the preparation of the experiment. Platform: |
Size: 489472 |
Author:whyscience |
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Description: 用matlab编写的模数转换和数模转换的仿真程序，写的比较浅显，可以辅助看一看。-Modulus using matlab convert digital to analog conversion of the simulation program, written in relatively plain, can assist a look. Platform: |
Size: 1024 |
Author:陈 |
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Description: Matlab program for analog to digital conversion which can work on windows or on others exploitation system Platform: |
Size: 1024 |
Author:geralsen
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Description: 详细讲解了25个MATLAB图像与视频处理实用案例（含可运行程序），涉及雾霾去噪、答题卡自动阅卷、肺部图像分割、小波数字水印、图像检索、人脸二维码识别、车牌定位及识别、霍夫曼图像压缩、手写数字识别、英文字符文本识别、眼前节组织提取、全景图像拼接、小波图像融合、基于语音识别的音频信号模拟灯控、路面裂缝检测识别、视频运动估计追踪、Simulink图像处理等多项重要技术(Explain in detail the 25 MATLAB image and video processing utility case (including operating procedures), involving haze denoising, sheet automatic marking, lung image segmentation, wavelet digital watermarking, image retrieval, face recognition, license plate location and two-dimensional code recognition, image compression, Hoffman handwritten digit recognition, character recognition, text English anterior segment tissue extraction, panoramic image mosaic, image fusion, light control, analog audio signal of speech recognition pavement crack detection and identification, video tracking, motion estimation of Simulink image processing technology based on a number of important) Platform: |
Size: 1324032 |
Author:糖糖的小糖
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Description: Analog transmission. Analog transmission is a transmission method of conveying voice, data, image, signal or video information using a continuous signal which varies in amplitude, phase, or some other property in proportion to that of a variable. ... Others define that as digital transmission and as a digital signal. Platform: |
Size: 616448 |
Author:khang
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Description: This paper deals with the design of digital adjustable fractional order differentiator
approximation of the fractional order differentiator sm, for 0 < m < 1, in a given frequency band of interest. First, closed form digital infinite impulse response (IIR) adjustable fractional order differentiator is obtained based on an analog adjustable fractional order differentiator. Platform: |
Size: 128000 |
Author:HellsingDz |
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Search - matlab analog digital