pink noise
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人生没有原因,闯出一路精彩
http://www.audiocheck.net/testtones_pinknoise.php https […]
dBm =20*LOG10(Volts_peak_to_peak/SQRT(0.008*Z)) Volts_r […]
http://blog.csdn.net/zyboy2000/article/details/16941545 […]