• CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background and high signal-to-noise ratio.

    衍生物发光标记物CLIA的特点是:自然本底信噪比高。

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  • 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.

    理论分析计算机仿真结果表明情况下相参积累方法可以提高UWB雷达目标识别概率

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  • 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).

    实验结果表明算法下,相比jpeg,获得了在视觉效果峰值方面更好恢复图像质量。

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  • 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制约进一步提高深层勘探精度,加大深层勘探力度重要因素。

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  • 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SXF地区典型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。

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  • 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.

    海面背景下海面连绵起伏波浪反光使图像的信噪对比度较低,而且舰船目标像素较少。

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  • Raw thermal images acquired by pulsed thermography(PT) usually have low signal noise ratio(SNR) and temperature contrast.

    脉冲检测中直接获取原始热像往往信噪比较对比度较差。

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  • 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.

    针对帧频电视象元分辨率处理时间特点,对定位跟踪算法进行了研究。

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  • FATAFE realizes unbiased estimation and its estimated variance approaches to theoretical lower bound if only signal-to-noise ratio is not very low.

    只要低,频点自跟踪频率估计无偏的且估计方差接近理论下限

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  • A method to classify neural spikes under low signal-to-noise ratio was investigated by using artificial neural networks and template-matching.

    基于人工神经网络模板匹配,提出了信噪神经元信号分类的方法

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  • 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.

    衍生物发光标记物的CLIA特点是:标记简单、标记物稳定、需要催化剂、自然本底、受外界干扰因素少、信、发光体系简单等。

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  • 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.

    地震资料比较常规处理效果理想的情况考虑采用分频处理。

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  • 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.

    地震资料信比较,叠加次数比较情况下常规处理效果不好,可以采用频处理。

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  • Through simulation experiments, it is shown that it behaves more robustly and can detect pitch more accurately at low signal-to-noise ratio.

    实验表明信噪比较情况下,该法也精确的检测基音周期

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  • 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.

    目前声光层析方案距离临床应用还差很远,主要是信比差,且无法实行活体检测

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  • 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静校正量大,信噪

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  • 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.

    但是红外图像信噪信息单一因素制约,使红外图像中的人体检测跟踪成为一个极具挑战性的课题。

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  • 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.

    方法不仅适用噪声情况,同样还适用于干扰噪声的情况,同时它还适用于低信噪比的情况。

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  • 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信噪比较,因而处理结果与预想结果之间存在一定的差距。

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  • 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.

    尺度增加边缘噪声小波幅表现出不同变化特性从而信噪比的信号中检测出噪声和边缘。

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  • 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.

    针对动态信噪条件下载波精跟踪问题本文提出了四种解决方案

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  • Reconstructing MR images from under-sampled measurement data using traditional reconstruction methods usually results in image artifacts and low signal to noise ratio.

    传统MR图像重建方法对采样数据进行重建往往会产生严重的导致重建图像信噪比下降。

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  • 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.

    分辨率图像信噪(SNR)图像之间的配误差对超分辨率重构效果影响技术应用遥感领域瓶颈

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  • 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.

    针对信噪动态条件下载波同步问题采用锁频FLL锁相环(PLL)相结合方法实现载波跟踪。

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  • 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.

    根据自己所学知识结合自己能力设计出了条件短波ds—ss通信系统。

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  • 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提高系统

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  • 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抑制噪声提高信噪最为有效方法之一。

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  • 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抑制噪声提高信噪最为有效方法之一。

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