查询词典 SNR

Correlation and signal-to-noise ratio of the space sources can affect the resolution of DOA estimation of subspace algorithms. Using this relation, the algorithm changes the correlation and SNR of the equivalent sources by processing the Toeplitz matrix based on the Toep-MUSIC algorithm, so that the resolution of DOA estimation can be improved.

改进算法利用信源间相关性和信噪比对子空间类DOA估计算法分辨力的影响，在Toep-MUSIC算法基础上，通过对Toeplitz重构矩阵的处理，改变了等效信源的相关系数和信噪比，从而使DOA估计分辨力得到提高。

A novel method that makes use of rough set theory to detect moving small target with low SNR in infrared image sequences is presented. First, Morphology Top-Hat operator is used to separate candidate small targets and extract their attributes.

提出了利用粗糙集理论处理不完整信息的能力对红外弱小目标的运动轨迹进行辨识的检测方法。

But unlike other Type 1a remnants, including the well-studied Tycho, Kepler, and SN 1006, SNR 0104 is definitely not spherical.

但是，其他1a型超新星，包括充分研究过的第谷超新星、开普勒超新星以及超新星1006的遗迹都是球形的，SNR 0104却显然不是球体。

But the PER is still much higher than that of existing technologies in low SNR.The high reliability of UMB system' s high data rate is also confirmed,the link level performance of UMB system is far ahead of the third-generation communication technologies.

而低信噪比下其误包率仍远高于现有技术，并证实UMB系统高数据速率的高可靠性，UMB系统在链路级性能上远远领先于第3代通信技术。

It is an unfathomed and difficult problem that weak and small targets are detected in complicated background and low SNR .

复杂背景下低信噪比弱小目标的自动检测是当今目标自动探测研究尚未解决的一个难题。

It is an unfathomed and difficult problem that weakandsmall targets are detected in complicated background and low SNR .

摘要复杂背景下低信噪比弱小目标的自动检测是当今目标自动探测研究尚未解决的一个难题。

To aim at parameter estimation of signal to noise ratio and high variance in low SNR based on time frequency distribution, this paper proposed a novel algorithm based on multimodal particle swarm optimization.

针对基于时频分布的参数估计存在信噪比阈值和低信噪比下方差大的问题，提出了一种基于多峰优化粒子群算法的跳频信号参数估计新算法。

The simulations show that in the same estimation accuracy SNR required by the no vel method is 5dB lower than that ...

仿真实验表明，在相同精度的条件下文中提出的新方法较之改进KT法和基于四阶累量方法需要的信噪比降低了5dB。

High-quality antral slow-wave recordings were achieved in the intraoperative human trial (amplitude, 0.41 +/- 0.04 mV; SNR, 12.6 dB), and an activation map was constructed showing normal aboral slow-wave propagation at a velocity of 6.3 +/- 0.9 mm/s.

在腹腔镜胆囊切除术中测量试验中，我们获得了高质量的胃窦部慢波电位记录结果（振幅0.41±0.04mV，SNR 12.6分贝），并且显示出正常慢波的离口传播速度为6.3±0.9mm/s。

A off-line real-time cameral control method is proposed in this paper, which can stretch image contrast and enhance SNR. Benefit from the control method, following work, such as detecting, identifying and tracing are easy. Because of the small size, the system is easy to carry and is suit for open country use.

本文提出的相机控制系统克服了传统相机控制的缺点，可以脱离计算机进行实时控制，并对图像进行能量累积，提高图像的信噪比，可以更好地实现下一步的检测、识别和跟踪处理，而且该系统体积比较小，方便携带，适宜外场工作。

Apllied the data of QuickBird-2——the highest resolution remote sensing,and based on the theory and methodology of fractal geometry,we have quantitatively studied remote sensing lineations in Gaolong gold deposit of Guangxi.

采用Quick Brid-2高分辨率卫星遥感数据，通过分形几何学的盒计维数法，定量研究广西高龙金矿区遥感线性构造。

So, sometimes, to change the color can not be your food (referring to the above-mentioned crustacean) has been a sign of boiling over.

所以，有时，来改变颜色，不能你的食物一直是沸腾了的迹象。