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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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数字滤波器matlab的原代码, 模拟信号采样频谱图-digital filter Matlab the original code, analog signal sampling frequency spectrum
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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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PCM编码系统的设计【课程设计】PCM编码(又叫脉冲编码调制):数字通信的编码方式之一。主要过程是将话音、图像等模拟信号每隔一定时间进行取样,使其离散化,同时将抽样值按分层单位四舍五人取整量化,同时将抽样值按一组二进制码来表示抽样脉冲的幅值。-PCM coding system design curriculum design】 【PCM encoding (also known as pulse code modulation): digital communications, one of
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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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F310的完整代码,实现从模拟端口对视频信号采样,并将所采得的图像信息以RS232方式发送到上位机PC中,并在上位机实现图像的还原过程。-F310 complete code, realize from analog port for video signal sampling, and collected by the image information to RS232 mode is sent to the host computer PC, and PC realize image re
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数字信号处理实验详解及MATLAB实现源代码
实验一: 系统响应及系统稳定性
实验二: 时域采样与频域采样
实验三: 用FFT对信号作频谱分析
实验四:IIR数字滤波器设计及软件实现 实验五: FIR数字滤波器设计与软件实现
实验六: 数字信号处理在双音多频拨号系统中的应用-Detailed experimental digital signal processing and MATLAB source code to achieve the experimental on
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Z8 64k microcontroller code for sampling an input signal using built-in ADC
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设雷达信号是码宽为0.5微妙,中心频率是10MHz的7为巴克码2PSK信号,接收的雷达回波中频采样频率为40MHz,中频进行正交下变频。假设在13.5km处有一个点目标,仿真该雷达的脉冲压缩处理。-Code-based radar signal is a delicate relief of 0.5, the center frequency is 10MHz for the 7 Barker Code 2PSK signal, the radar echo received IF sampli
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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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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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这个代码是用于,数字示波器的设计,可以实现信号的实时采样与存储,还有DA转换-This code is used, the digital oscilloscope is designed to achieve real-time signal sampling and storage, as well as DA conversion. . .
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在光纤通信系统中,光纤中传输的是二进制光脉冲"0"码和"1"码,它由二进制数字信号对光源进行通断调制而产生。而数字信号是对连续变化的模拟信号进行抽样、量化和编码产生的,称为PCM(pulse code modulation),即脉冲编码调制。这种电的数字信号称为数字基带信号,由PCM电端机产生。-In optical fiber communication systems, fiber-optic transmission of light pulses is a binary "
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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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预先设定载频、采样率、码速率、信息代码个数和信噪比等参数,进行FSK信号的调制解调。-Pre-set carrier frequency, sampling rate, bit rate, information, code number and signal to noise ratio and other parameters for FSK signal modulation and demodulation.
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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
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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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信号采样,可以是临界采样,也可以是过采样,还可以是欠采样,不同的采样导致不同的恢复效果,本代码将展示不同之处。-Signal sampling, the sampling can be critical, it can be over-sampling, can also be due to sampling, different sampling led to the recovery of the different effects, the code will show the diffe
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[Digital Signal Processing]
Digital signal processing (DSP) refers to anything that can be done to a signal using code on a computer or DSP chip. To reduce certain
sinusoidal frequency components in a signal in amplitude, digital filtering is do
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