DDS Chip AD9850 has precise output frequency, small frequency interval, and high signal to noise ratio.
DDS芯片AD 9850具有输出频率精确、频率间隔小、易于调谐、信噪比高等优点。
The application effect of the hyperspectral imaging system heavily relies on the signal to noise ratio.
高光谱成像系统的应用效果非常依赖仪器获取图像的信噪比。
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。
Method Adaptive canceling methods were used to reduce the noise of temperature signal gained, and enhance signal to noise ratio.
方法采用自适应抵消技术最大限度地降低所读取温度信息的噪声干扰，提高信噪比。
Achievement of a signal to noise ratio adequate for precise registration is accomplished using digital signal enhancement techniques.
用数字信号增强技术可以得到足以精确定位的信号噪声比。
Compared with the traditional de-nosing methods by threshold value and translation invariance, the algorithm increases the signal to noise ratio.
与传统的阈值去噪法和基于平移不变量的去噪算法相比，该算法提高了信噪比。
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。
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。
Error multiplication caused by channel noise in eletric transmission system can be demmonstrated by signal to noise ratio between error rate function curve.
误码率与归一化信噪化的函数曲线、可以表征在介质传输系统中，线路噪声所引起的误码增值。
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。
The experimental results show that the performance of this algorithm is better than the traditional method both in vision effect and peak signal to noise ratio.
实验结果表明，与传统方法相比，该算法重构图像的主观质量得到了明显增强，提高了峰值信噪比。
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。
The objective digital film image quality assessment based on peak signal to noise ratio, together with structural similarity and human vision system is proposed.
提出了以峰值信噪比为基础，结合结构相似度和基于人眼视觉系统的数字电影图像质量客观评价方法。
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。
Comparing with impulse radar, this method can greatly improve the signal to noise ratio (SNR), the convergence speed is quick, and iterative times are less than 10.
与冲激雷达相比，这种方法能显著提高信噪比，并且这个方法的收敛速度快，一般迭代10次以内即达到稳定。
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。
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。
However, in respect of a vibration acceleration signal, the signal to noise ratio (SNR) is often so small that the periodic impulse component is submersed in its intense background noises.
通常检测的机械振动加速度信号，由于信噪比太低，即使存在周期性的冲击分量也往往被淹没在强的背景噪声之中。
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。
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。
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。
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。
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。”
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。”
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