SNR [dB] = 10 log (SignalPower / NoisePower-HarmonicsPower) [THD] : 谐波总失真 Total Harmonics Distortion Ratio THD [dB] = 10 log (HarmonicsPower / SignalPower) [SFDR] : 无杂散动态范围 Spurious-freeDynamicRange,SFDR SFDR[dBc] = 10 log(SignalPower/Spur_max) 这个指标是信号的最大值与最...