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使用matlab对正弦信号采样 以及对其进行DFT变换,Matlab sinusoidal signal on the use of sampling, as well as its DFT transform
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1.用Matlab产生正弦波,矩形波,以及白噪声信号,并显示各自时域波形图
2.进行FFT变换,显示各自频谱图,其中采样率,频率、数据长度自选
3.做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱
4.用IFFT傅立叶反变换恢复信号,并显示恢复的正弦信号时域波形图
,1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and display their
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适用MATLAB仿真实现对模拟信号的采样量化编码程序(模拟信号采样经均匀量化后自然二进制编码),通信系统仿真必备,The application of MATLAB simulation of analog signal sampling quantization coding procedures (analog signal sampling by the uniform quantization after the natural binary code), communication s
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数字信号处理综合设计
利用windows下的录音机录制一段自己的话音,时间控制在1秒左右;并对语音信号进行采样,理解采样频率、采样位数等概念。-Digital signal processing integrated design
Using Windows, making a video recorder under his voice, time control in 1 seconds And the voice signal sampling frequency sam
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基于+MATLAB+的时域信号采样及频谱分析-+ MATLAB+ based on the time-domain signal sampling and spectral analysis
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随机信号不同取样长度时的功率谱估计,matlab实现,用于数字信号处理-random sampling signal different lengths of power spectral estimation, Matlab achieve for digital signal processing
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WLAN仿真-发送机
wlan No Comments
设置完系统参数后,开始产生发送数据。
1. 产生随机的发送bit(tx_bits),这里不考虑信道编码。
2. QAM映射
3. 将数据映射到不同载波,形成OFDM符号
4. 产生pilot,并将pilot插入OFDM符号中
5. 加入dc和guard子载波
6. 进行ifft,将频域信号变到时域,并加入循环前缀
7. 对信号进行overlap window
8. 在时域产生short preamb
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滤波器的设计,信号的抽样,频率变换,信号的幅频,信号的相频等-Filter design, signal sampling, frequency conversion, the signal amplitude and frequency, phase frequency signals, such as
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运用Matlab语言编程,进行信号分析的能力。音频信号是一种连续变化的模拟信号,计算机只能处理和记录二进制的数字信号,由自然音源而得的音频信号必须经过采样,量化和编码,变成二进制数据后才能送到计算机进行再编辑和存贮,通过本实验中了解模拟信号采样和重构的完整过程,加深对采样定理的理解。-Matlab programming language to use for signal analysis. Audio signal is a continuous change of the analog s
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应用MATLAB实现连续信号的采样与重构仿真-Application of MATLAB to achieve continuous signal sampling and reconstruction of simulation
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基于 MATLAB 的时域信号采样及频谱分析,是很好的学习时域信号的matlab源代码。-MATLAB-based time-domain signal sampling and spectral analysis, is a very good study of time-domain signal matlab source code.
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初步学习采样和重建信号。包括源程序和报告书。-Preliminary study of sampling and reconstruction of the signal. Including the source and report.
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数字信号处理中对模拟信号的采样频谱分析,及时域、频域重构分析,包括信号及频谱,采样信号及其频谱,时域重构,通过低通滤波器进行频谱重构等代码-Digital signal processing of the analog signal sampling spectral analysis, time-domain, frequency-domain reconstruction analysis, including signal and spectrum, the sampling signal
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改变原始wav音频信号的抽样频率,并且显示处理前后声音信号的频谱.有助于帮助大家理解奈圭斯特抽样定理。-Change the original wav audio signal sampling frequency, and shows the spectrum of sound signal before and after treatment. Helps to help you understand the Nyquist sampling theorem.
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信号的采样与重建,对已知连续信号进行采样,然后通过离散信号恢复原始信号。-Signal sampling and reconstruction of continuous signals to known samples, and then restore the original signal through the discrete signal.
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《通信系统仿真原理与无线应用》系统地介绍通信系统的设计、分析和仿真方法,还提供了大量极具参考价值的仿真实例。《通信系统仿真原理与无线应用》的全部仿真程序都是采用MATLAB编写的。这不仅方便读者理解仿真的实现过程,还允许读者修改或使用这些代码段来进行自己的仿真开发。章后提供了大量的参考文献和经过精心设计的各类练习题,方便教学。此为中文翻译本。-Principles of Communication Systems Simulation with Wireless Applications is
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本例程提供了对信号进行多采样matlab程序源代码以及结果图-This routine provides multi-sampling signal matlab program source code as well as the results of Figure
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MATLAB实现连续信号采样、频谱分析和采样信号恢复的方法。计算在临界采样、过采样、欠采样三种不同条件下恢复信号的误差,并由此总结采样频率对信号恢复产生误差的影响,从而验证时域采样定理。-MATLAB continuous signal sampling, spectral analysis and sampling signal recovery method. Calculated in a critical sampling, the oversampling signal error r
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已知一个连续时间信号 , ,取最高有限带宽频率 。分别显示原连续时间信号波形和 三种情况下抽样信号波形,并尝试用内插公式重建原信号。-A continuous time signals, known, take the highest frequency of limited bandwidth. Respectively according to the original continuous time signal waveform and the sampling signal wavef
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This documents is about basics of signal modeling in matlab for dummy users
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