Experimental results prove that the select of coherent ratio threshold is independent of image types or noise level. So the way of denoising presented here is adaptive.
实验证明了相干比阈值的选择与图像的类型和噪声水平没有关系，因而本文所提出的图像去噪方法是自适应的。
Theory and simulation results have proved and certificated that this method is able to excellently resolve the coherent signal sources of lower ratio of signal and noise.
理论与模拟结果证明这种方法可以实现低信噪比、相干信号源的良好分辨。
The likelihood ratio (LR) detector structures when the clutter steady component is coherent and noncoherent are developed respectively.
导出了杂波稳定分量相干及不相干时的似然比(LR)检测器的结构。
The coherent noise of single mode fiber is restrained by the amplification effect of anti Stokes Raman backscattering, and the signal noise ratio of sensor system is improved.
反斯托克斯·拉曼背向自发散射的放大效应抑制了单模光纤中的相干噪声，改善了系统的信噪比。
Application of our algorithm to real dataset shows that it can generate real coherent cube image with high resolution and signal-to-noise ratio, thus providing more abundant geological information.
实际资料处理结果表明，所提出的算法可以获得真实的、高信噪比和高分辨率的相干体图像，从而提供更丰富的各种地质信息。
It is necessary to remove coherent noises and random noises in seismic data processing to improve the signal-to-noise ratio.
要提高地震资料的信噪比，需要去除地震资料中的随机噪声和相干噪声。
It is necessary to remove coherent noises and random noises in seismic data processing in order to improve the signal-to-noise ratio.
要提高地震资料的信噪比，需要消除地震资料中的随机噪声和相干噪声。
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。
The results of synthetic seismograms and real data indicate that the method can separate coherent and random noise effectively, enhance signal-to-noise ratio…
理论模型计算和实际资料处理试验表明，使用该方法能有效地分离相干噪声和随机噪声，提高地震记录的信噪比，简单实用，便于操作。
The ratio of the power spectra of random array to whose unit is called the coherent factor.
无规排列功率谱与其单元功率谱的比值被称为干涉因子。
A new method of improving the real time ratio of phased array radar coherent video simulation is presented, according to the particularity of scheduling of phased array radar.
针对相控阵雷达系统全数字相干视频信号仿真的特点，尤其是相控阵雷达系统波束调度的特殊性，提出了一种提高相控阵雷达相干视频信号仿真实时性的方法。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化，而采用宽带扩频调制则可极大改善系统的性能。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化，而采用宽带扩频调制则可极大改善系统的性能。
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