信号噪声比 SIGNAL TO NOISE ; SNR ; [电子] signal-to-noise ratio ; signal/noise ratio
载波信号噪声比 carrier-to-noise ratio ; noise ratio ; CNR
高信号噪声比 high signal-noise ratio ; noise ratio
峰值信号噪声比 PSNR
光信号噪声比 OSNR
电气信号噪声比 electrical signal to noise ratio
输出信号噪声比 output SNR
的信号噪声比 signal-to-noise ratio ; SNR
放大器信号噪声比 amplifier signal-to-noise ratio of
最大信号噪声比准则 Maximum Signal Noise Ratio ; MSNR
计算不同图像中肿瘤信噪比（SNR）、肿瘤与肝脏对比噪声比（CNR）及信号强度比（SIR）等数据，并进行统计学分析。
The signal to noise ratio (SNR) of tumors, contrast to noise ratio (CNR) and signal intensity ratio (SIR) of tumors and normal liver were calculated and analyzed.
同样噪声强度情况下，强信号的信噪比增加比弱信号的增加更加迅速。如果同时改变噪声强度，体系的信号频率也维持不变。
It is found that, with the same noise intensity, the increment of the SNR of strong signal is faster than that of the weak signal's, however, the frequencies of both them change hardly.
正是这种被称为信噪比的东西，即真实信号与噪声的关系引起了通信工程师的极大的兴趣。从本质上讲，如果信号比噪声电平大得多，则信息的传输是完美的。
It is the relationship of the true signal to the noise signal, known as the signal-to-noise ratio, which is of the most interest to the communication engineer.
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