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将输入A律PCM编码器的正弦信号采样,进行PCM编码,求出编码器的输出码组序列。-legal importation A PCM encoder sinusoidal signal sampling, PCM coding, coding obtained the output code sequence.
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通信信号相干调制解调源码 Fc=10 %载频
Fs=40 %系统采样频率
Fd=1 %码速率
N=Fs/Fd
df=10
numSymb=25 %进行仿真的信息代码个数
M=2 %进制数-Coherent modulation and demodulation of communication signal source Fc = 10 carrier frequency Fs = 40 systematic sampling frequency Fd = 1 co
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关于正弦sin信号的matlab源代码,可说明取样点数与仿真精度的关系-Sinusoidal signal sin on matlab source code, to illustrate the accuracy of the sampling points and simulation of the relationship between the
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信号与系统实验源代码
包括:实验一 周期信号的谐波逼近,幅频相频分析;实验二 simulink信号的抽样和内插; 实验三 GUIDE二阶状态轨迹的显示;实验四 Wav信号的波形分析及频谱分析-Signals and systems including source code of the experiment: The experiment of a periodic signal of the harmonic approximation, the amplitude-frequency
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this code shows the implementation of a transmission
chain. First, the codage with Gray(MDA-4), then the over sampling, the filtrage before emission, the filtrage in reception with the same filter(in order to be adaptative). then the decision withi
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基于数字信号处理的各种matlab源程序代码,包括FFT、DFT还有采样及系统响应函数等等。-All based on digital signal processing matlab source code, including FFT, DFT also sampling and system response function and so on.
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基于MATLAB的时域信号采样及频谱分析,实现过程及代码-MATLAB-based time-domain signal sampling and spectral analysis, implementation process and the code
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利用Matlab生成GPS C/A 码的基带信号。
(1)产生卫星PRN 号码为“5”的一组C/A 码;
(2)循环生成25 页的导航数据,GPS 时间可填入一固定的已知数值;
(3)生成C/A 码扩频信号,每个C/A 码码片给出4 个采样数据;
(4)基带信号采用方波信号,电平为0 和1,占空比为50 %,不加入噪声,进一步生成某个特定的中频信号。-Matlab generated using GPS C/A code base band signal. (1)
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this code generates the LFM base band signal as well as the transmitted LFM signal at 60 Mhz.
this code can be used to give input to any simulink model which requires the LFM signal as its input.band width is 5MHz and center frequency is 10MHz.samp
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附件中包括:
1.叉积自动频率控制(CPAFC)matlab源代码cpafc.m
2.相应的am调制的测试信号am.dat ,载波500Hz,采样8000,调制信号50Hz,32 位float-Accessories include: 1. Cross product auto frequency control (CPAFC) matlab source code cpafc.m 2 . corresponding test signal modulation am am.dat,
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采用matlab实现了数字信号处理中的多采样转换,并依此原理进行采样转换滤波器的设计代码。-Implemented using digital signal processing matlab multi-sampling in the conversion, and so the sampling principle of the code conversion filter design.
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本程序是矩形波的产生。第零步定义了要产生的波形的所有特征参数,矩形波的持续时间WIDTH,矩形波的采样点数POINTS,载波频率为F0,这个频率的最终引入是便于使用RF频率发射波形。第一步包括产生矩形波,并将其调制到RF上,注意,产生的信号的持续时间是矩形波宽度的5倍,这样,总的采样点数就是5*POINTS。同时还应注意,如果要产生一个基带信号,必须设置T0=0.第二步是画出所产生矩形波的源代码。- This procedure is rectangle wave production. Ste
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This source code is for the Sampling Signal
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通信原理仿真
码型反变换的仿真实现
Ⅰ、基本任务:由抽样判决后的AMI码型和CMI码型数字序列恢复出原始的PCM脉冲编码信号。
主要步骤和要求:
(1)由抽样判决后的AMI码型数字序列恢复出原始的PCM脉冲编码信号(0、1信号)。要求抽样判决后的AMI码型数字序列可以是数字型也可以是字符型;要求画出码型反变换前后的波形图。
(2)由抽样判决后的CMI码型数字序列恢复出原始的PCM脉冲编码信号。要求抽样判决后的CMI码型数字序列可以是数字型也可以是字符型;要求画出码型反变换前后
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SPARSE ESTIMATION
Sparse signal recovery via L_1 minimization.
This code is the basis in the L1 magic toolbox for sampling signals that are sparse in the time domain.
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1.Matlab code for periodic signal
2.Matlab code for sampling and recunstruciton
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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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调制技术是把基带信号变换成传输信号的技术。它将模拟信号抽样量化后,以二进制数字信号“1”或“0”对光载波进行通断调制,并进行脉冲编码(PCM)。-Modulation technique is the transmission signal into a baseband signal transform technique. It converts analog signal sampling to quantify, in binary digital signal "1" or "0" o
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信号系统上机实验代码与指导书,采样、连续卷积、连续运算、连续系统-Machine experimental code and instructions on signal systems, sampling, continuous convolution, continuous operation, continuous system
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A matlab code for digital signal processing up down half sampling.
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