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dsb

于 2006-03-16 发布 文件大小:17KB
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说明:  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.)

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