The ratio of signal to noise (S/N) is greatly improved through the phase sensitivity detection.
通过相位灵敏度检测，大大提高了信噪比。
CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background and high signal-to-noise ratio.
以吖啶酯衍生物为发光标记物的CLIA的特点是：自然本底低和信噪比高。
You're in conversation with one person but the signal to noise ratio is low, meaning his voice, the signal, is quiet relative to the ambient conversational noise.
你正在和一个人谈话，但是信号和噪音的比率低，也就是说，对方的声音(信号)，相对于周围的谈话声(噪音)是安静的。
Stackingimproved the signal-to-noise ratio and enabled the researchers to moreclearly track the path and behaviour of each unique signal as it passedthrough the lunar interior.
叠加提高了信号的信噪比，使研究人员能够更清楚地跟踪每一个独特的信号在月球内部传播的路径和行为。
The objective is not simply to improve image resolution or signal-to-noise ratio; rather, it is to improve outcomes for individual patients and society at large.
目标并不是简单的提高图形分辨率或是信噪比率；确切的说，是给每个患者和社会带来更大程度的帮助。
The new links are significantly faster, even when the signal-to-noise ratio is clearly worse.
新的连接相当地快，即使是在信号噪音比率相当糟糕的情况下。
In trying to record the brain's electrical activity off the scalp, he adds, "people assumed that the signal-to-noise ratio and the information content of these signals were limited."
在尝试记录头皮以下的大脑电活动时，他补充说，“人们想当然的认为信号的信噪比和这些信号的信息内容是有限的。”
By means of the principle of correlation analysis, this paper introduces an approximate method for estimating signal-to-noise ratio on random noise background.
本文利用相关分析的原理，提出一种在随机噪音的背景上估算信噪比的近似方法。
An effective method has not been developed yet of quantitatively estimate signal-to-noise ratio of seismic record.
如何定量地估算地震记录的信噪比，至今尚未见到一种行之有效的方法。
Then, we discuss jitter 's influence on Signal-to-Noise Ratio of data acquisition system and skew' s influence on consistency of orthogonal sampling of high speed acquisition system in detail.
随后，详细讨论了高速数据采集系统中抖动对数据采集系统信噪比的影响和偏移对正交采样一致性所产生的影响。
There are many kinds of image fusion methods, such as information entropy, mutual information, mean square error, peak signal to noise ratio and mean grads.
医学图像融合的效果评价方法有很多，如信息熵、互信息、均方值、峰值信噪比和平均梯度等。
Results of the study show that the method can effectively weaken the noise which infiltrated in the signals, and therefore improve the signal to noise ratio.
研究表明，立方法可以有效地抑制信号中的随机噪声成分，从而提高信号的信噪比。
Obviously, the dynamic threshold is to use quasi-peak level that, while the signal to noise ratio is expressed with the quasi-average levels, and the difference is obvious in.
显见，动态阈是用准峰值电平表示，而信噪比则是用准平均值电平表示的，两者的区别是显而易见的了。
It can be seen from the theoretical analysis that the signal to noise ratio in the output of the canceler will improve when the signal to noise ratio in the reference input drops.
通过理论分析可以看出，随着本艇自噪声有源抵消器参考输入端信噪比的降低，系统输出端信噪比升高。
The simulation results show that the proposed method succeeds in detecting low speed target with low false alarm probability in low signal to noise ratio environment.
仿真实验表明，该检测方法能在低信噪比环境中，以低虚警率对低速目标进行有效检测。
Sampling resistance is both the signal to noise ratio to be good and avoiding to produce the oversized survey signal.
选择采样电阻，既要信噪比好，又要避免产生过大的测量信号。
The improved smooth algorithm based on the characteristic sub-space used deepen the null to fall the depth, enhanced the system's signal to noise ratio.
研究了改进的基于特征子空间的平滑算法，加深了零陷深度，提高了系统的信噪比。
This paper proposed a class of approaches of seeking focusing matrix and the array signal to noise ratio after and before focusing was without any loss.
本文给出了求聚焦矩阵的一类方法，聚焦前后阵列信噪比没有任何损失。
The storage system has many advantages as follows: real-time processing, good imaging quality, high signal to noise ratio, and it can be used repeatedly.
实验表明存储系统具有实时处理，成像质量好，信噪比高和能反复使用等优点。
The number of bits on each subchannel depends on the Signal-to-Noise Ratio of the subchannel .
每个子信道上的比特取决于该子信道的信噪比。
The central wavelength is discussed based on the combination of signal-to-noise ratio, temperature sensitivity of system and operating stability.
从系统信噪比、温度灵敏度和工作稳定性等几个方面综合考虑系统工作的中心波长。
Successful seismic inversion usually requires a high signal-to-noise ratio and a large bandwidth.
成功的地震反演通常需要数据具有较高的信噪比和较宽的带宽。
For MPSK signals, the signal-to-noise ratio (SNR) estimation can be directly transformed into the signal module estimation.
对于MPSK信号而言，信噪比的估计可以直接转化成对信号模的估计问题。
In petroleum seismic exploration records, Rayleigh waves belong in disturbing waves which should be removed from the records before deconvolution and stacking so as to raise signal-to-noise ratio.
石油地震勘探记录中的瑞雷面波是一种干扰波，在反褶积和叠加前必需首先将面波从炮记录中分离出来，以提高叠加剖面的信噪比。
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.
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。
It has a signal-to-noise ratio (SNR) of at least 75 dB.
它有一个信号杂讯比(信噪比)的至少有75分贝。
It has a signal-to-noise ratio (SNR) of at least 75 dB.
它有一个信号杂讯比(信噪比)的至少有75分贝。
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