在ADS131A04手册中Normalized SNR在-20dBFS性能最好,
随着输入信号增高反而变差,与通常认为的输入信号越高信噪比越高不同,
按图中理解,随着信号达到满量程0dBFS,噪声比信号增长的更快?
请问这样理解是否正确?还是有其他的计算公式?
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在ADS131A04手册中Normalized SNR在-20dBFS性能最好,
随着输入信号增高反而变差,与通常认为的输入信号越高信噪比越高不同,
按图中理解,随着信号达到满量程0dBFS,噪声比信号增长的更快?
请问这样理解是否正确?还是有其他的计算公式?