Description: 昨天刚刚写好的dsb-sc信号生成与解调程序,用离散(dsp)的方法生成DSB信号,载波频率为150khz,音频是500hz和2000hz的混合音,加入SNR=1DB的噪声,用正交解调实现解调,画出解调前后的频谱图,欢迎共同学习,进步。-yesterday just finished the dsb- sc signal generation and demodulation process, discrete (dsp), the signal generated DSB, the carrier frequency of 150kHz, audio is 500Hz and 2000hz mixed audition to join SNR = 1DB of noise, with quadrature demodulator to achieve demodulation, paint around the demodulation spectrum welcome to learn together and progress. Platform: |
Size: 17408 |
Author:刘彦平 |
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Description: 我上传的这个压缩文件是使用matlab仿真平台做DSB--SC双边带抑制载波调幅仿真,对于初学matlab仿真的通信专业人员,我想这个程序能作为参考。-I upload the compressed files using Matlab simulation platform so DSB-- SC bilateral rejection Carrier AM simulation, for beginners Matlab simulation of communications professionals, I think the procedures are for reference. Platform: |
Size: 1024 |
Author:寒风 |
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Description: DSB的解调程序,基于matlab的通信系统仿真系列。供刚接触到matlab的朋友使用-DSB demodulation process, Matlab-based communications system simulation series. For begin to friends using Matlab Platform: |
Size: 1024 |
Author:无忧 |
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Description: 题目1:DSB调制与解调电路的MATLAB实现及调 制性能分析
题目2:SSB调制与解调电路的MATLAB实现及制与解调电路的MATLAB实现及调制性能分析-Title 1: DSB modulation and demodulation circuits realize MATLAB and performance analysis of modulation Title 2: SSB modulation and demodulation circuit and realize the MATLAB system and demodulation circuit and modulation of MATLAB realize performance analysis Platform: |
Size: 1200128 |
Author: |
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Description: 抑制载波双边带调幅和解调的实现,
Matlab代码编写实现.
采用Matlab或者其它软件工具实现对信号进行抑制载波双边带调幅(DSB-SC)和解调,并且绘制:
(1)信号 及其频谱;
(2)载波 ;
(3)DSB-SC调制信号及其频谱;
(4)DSB-SC调制信号的功率谱密度;
(5)相干解调后的信号波形。
-Carrier suppression bilateral with the realization of amplitude modulation and demodulation, Matlab code prepared to achieve. Using Matlab or other software tools to achieve suppression of signals with carrier bilateral AM (DSB-SC) and demodulation, and mapping: (1) signal and its spectrum ( 2) Carrier (3) DSB-SC modulated signal and its spectrum (4) DSB-SC modulation signal power spectral density (5) coherent demodulation signal waveform. Platform: |
Size: 93184 |
Author:邢开开 |
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Description: DSB-SC信号的生成与解调
1) 用离散(DSP)的方法生成DSB信号
2) 载波频率为150KHz,音频为500Hz和2000Hz的混合音。
3) 加入高斯白噪声
(4) 语音信号
的传输。
改变抽样频率和量化台阶大小,观察重建信号以及量化噪声信号的波形;对于语音信号主观评价声音质量的变化。
-DSB-SC signal generation and demodulation 1) Discrete (DSP) methods to generate DSB signal 2) the carrier frequency to 150KHz, audio 500Hz and 2000Hz for the mixed tone. 3) by adding white Gaussian noise (4) transmission of voice signals. Change the sampling frequency and quantization step size, to observe the reconstruction of signal and quantization noise signal waveform for subjective evaluation of the speech signal changes in sound quality. Platform: |
Size: 28672 |
Author:Ryan |
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