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。
Theoretical analysis and the results of simulation show that coherent accumulation can improve UWB radar target recognition probability in the condition of low signal noise ratio.
理论分析和计算机仿真结果均表明，在低信噪比的情况下，相参积累方法可以提高UWB雷达的目标识别概率。
Experiment results show that in low bit rate environment, the new image compression scheme performs better than JPEG in the aspects of perception and PSNR (Peak Signal Noise Ratio).
实验结果表明该算法在低码率下，相比jpeg，获得了在视觉效果和峰值信噪比方面更好的恢复图像质量。
Low resolution and low signal noise ratio are big obstacles in the way of increasing the accuracy and level of deep strata exploration.
深层地震反射资料分辨率、信噪比低是制约进一步提高深层勘探精度，加大深层勘探力度的重要因素。
Because of complex fracture system, faulted structures, and rich igneous rocks, SXF area is a representative low signal-to-noise ratio seismic data region in Subei basin.
苏北盆地的SXF地区是典型的低信噪比地震资料地区，断裂系统复杂，构造破碎，圈闭面积小，火成岩发育。
The targets SNR(Signal Noise Ratio)and contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。
Raw thermal images acquired by pulsed thermography(PT) usually have low signal noise ratio(SNR) and temperature contrast.
脉冲热像检测中直接获取的原始热像往往信噪比较低、对比度较差。
In accordance with the features of low resolution, short processing time and low signal noise ratio of the high frame TV pixels, authors investigated its locating and tracking algorithm.
针对高帧频电视象元分辨率低、处理时间短、信噪比低的特点，对其定位跟踪算法进行了研究。
FATAFE realizes unbiased estimation and its estimated variance approaches to theoretical lower bound if only signal-to-noise ratio is not very low.
只要信噪比不甚低，频点自跟踪频率估计是无偏的且估计方差接近理论下限。
A method to classify neural spikes under low signal-to-noise ratio was investigated by using artificial neural networks and template-matching.
基于人工神经网络和模板匹配，提出了对低信噪比神经元信号分类的方法。
CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background, high signal-to-noise ratio, no need of catalyst and simple luminescence system.
以吖啶酯衍生物为发光标记物的CLIA的特点是：标记简单、标记物稳定、不需要催化剂、自然本底低、受外界干扰因素少、信噪比高、发光体系简单等。
When seismic data signal to noise ratio is low and conventional processing effect is not good, scaling down processing may be introduced in data processing.
在地震资料信噪比较低，常规处理效果不理想的情况下可考虑采用分频处理。
In the case that the signal-to-noise ratio and the number of times of superimposition are both rather low, the routine processing is not effective, and frequency division processing may be used.
在地震资料信噪比比较低，叠加次数比较低的情况下，常规处理效果不好，可以采用分频处理。
Through simulation experiments, it is shown that it behaves more robustly and can detect pitch more accurately at low signal-to-noise ratio.
实验表明，在信噪比较低的情况下，该法也能较精确的检测基音周期。
However, now this acoustooptical tomography has great distance from the clinical application due to both low signal-to-noise ratio (SNR) and impossibility to examine the patient in vivo.
目前的声光层析方案距离临床应用还差很远，主要是信噪比差，且无法实行活体检测。
Seismic data acquired in complex mountains in Yiyang area are characterized by low signal-to-noise ratio and large statics.
宜阳复杂山地地震资料的特点是静校正量大，信噪比低。
However, the inherent characteristics of infrared images, such as low signal-to-noise ratio and unitary information, have made it a complex challenge for human detection and tracking.
但是，红外图像信噪比低、信息单一等因素的制约，使红外图像中的人体检测跟踪成为了一个极具挑战性的课题。
This method is not only suitable for the signals with white noise but also suitable for strong interference color noise and low signal-noise-ratio signals.
该方法不仅适用于白噪声情况，同样还适用于强干扰色噪声的情况，同时它还适用于低信噪比的情况。
Be noted that, as the seismic data on hand has a relatively low signal to noise ratio, there is a gap between the processing results and the expected results.
需要指出的是，由于实际井间地震资料的信噪比较低，因而处理结果与预想结果之间存在一定的差距。
Wavelet breadths of edges and noise display different identities with increasing of the scale, so edges and noise can be respectively detected from the signals of low signal-noise ratio.
随尺度增加，边缘和噪声的小波幅值表现出不同变化特性，从而在低信噪比的信号中检测出噪声和边缘。
Aiming at problem of precisely carrier tracking on the condition of high dynamic and low signal-to-noise ratio, four schemes are proposed in this dissertation.
针对高动态、低信噪比条件下的载波精跟踪问题，本文提出了四种解决方案。
Reconstructing MR images from under-sampled measurement data using traditional reconstruction methods usually results in image artifacts and low signal to noise ratio.
用传统MR图像重建方法对降采样数据进行重建往往会产生严重的伪影或导致重建图像的信噪比下降。
The influence of Signal-to-noise ratio (SNR) of low-resolution images and registration error among them on the super-reconstruction of images is the bottle-neck in the field of remote sensing.
低分辨率图像的信噪比(SNR)和图像之间的配准误差对超分辨率重构效果的影响是该技术应用在遥感领域的瓶颈。
To the question of Carrier Synchronization with low signal-to-noise ratio (SNR) and High Dynamic , using the method of combining FLL with PLL to actualize the carrier tracking.
针对极低信噪比高动态条件下载波同步问题，采用锁频环（FLL）和锁相环（PLL）相结合的方法来实现载波跟踪。
The knowledge studies which according to oneself and unifies own ability, designed under one kind of extremely low signal-to-noise ratio condition short wave DS-SS communications system.
根据自己所学的知识并结合自己的能力，设计出了一种极低信噪比条件下的短波ds—ss通信系统。
The fast delay scan technique is used which suppressed the noise with low frequency and improved the signal-to-noise ratio of the system.
快速延迟扫描技术可用来压缩低频噪声以提高系统的信噪比。
With the static low-light-level Anage sequence, temporal filtering is one of the best techniques in suppressing noise and improving signal-to-noise ratio.
对于静态微光图像序列，时域滤波技术是抑制噪声，提高信噪比最为有效的方法之一。
With the static low-light-level Anage sequence, temporal filtering is one of the best techniques in suppressing noise and improving signal-to-noise ratio.
对于静态微光图像序列，时域滤波技术是抑制噪声，提高信噪比最为有效的方法之一。
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