Description: Using MATLAB realization of the algorithm, and the realization method of authentication, in step (3) in the given filter type and parameters to derive the program and verify, in step (4) through MATLAB-AWGN function and other relevant knowledge to achieve the AWGN channel simulation. This paper first introduces the digital watermarking and audio watermarking-related concepts and developments, and then introduced a complete simulation of the basic knowledge required, after the DA/AD conversion of the simulation,
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....\lvboqi.m
....\snr.m
....\test_0db.m
....\test_shensuo.m
....\伸缩.m
....\归一化.m
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