- Category:
- matlab
- Tags:
-
[Matlab]
[源码]
- File Size:
- 1kb
- Update:
- 2014-06-05
- Downloads:
- 1 Times
- Uploaded by:
- 赵嘉琦
Description: Matlab record with some baseband voice signal, the sampling frequency is set to 44.1kHz. Generating a Gaussian white noise
Random process, and the noise superimposed on the speech signal (corresponding to the speech signal through a Gaussian channel).
(1) set different noise SNR, draw time-domain waveform signal and compares the receiving end of a Gaussian channel, broadcast
Put the received signal.
(2) Because of the voice signal is usually less than 3kHz, is loaded at the receiving end of a low-pass filter,
Cutoff frequency of 3kHz, draw time-domain waveform signal and compare before and after filtering, the filtered and play
Signal.
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