Through estimating the signal and noise subspaces with the eigen-decomposition of the correlation matrix, the MUSIC algorithm is used to estimate the DOAs of LFM sources.
通过对相关矩阵进行特征值分解,估计信号子空间和噪声子空间,并利用MU S IC算法估计宽带LF M信号的波达方向。
Because the difference in scale between the signal and noise, the signal is restored, then with the usage of cross wavelet transform the parameters of target are estimated.
之后进一步针对目标与信号在尺度上的差别对目标信号进行了恢复,在恢复的基础上利用互小波变换对目标的参数进行了估计。
The paper points out that the key for performing the DOA estimation, using subspace method, is as follows: a) how to divide the space expanded by an array into the signal and noise subspaces;
指出了用子空间方法进行DOA估计的关键是:第一,如何将基阵张成的空间划分为信号子空间和噪声子空间;第二。
The resulting limit, given in units of bits per second, is the absolute maximum rate of error-free communication given signal strength and noise level.
在给定信号强度和噪声水平的情况下,以比特每秒为单位给出的最终限制是无差错通信的最大绝对速率。
The elite audience now knows more and can sort through the noise to find the signal.
精英观众现在知道得更多,他们能够从噪音中整理出信号。
Pulses of light can bleed together, adding noise and degrading the signal.
脉冲光会跟着一起散开,并会渗入噪音并使信号损失。
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。
Additionally, the signal-to-noise theory tells us that anything that doesn't add to the message or function of a website (the signal) gets in the way and makes the design less effective (the noise).
此外,信号噪音的理论告诉我们,给网站(信号)的信息和功能添加额外的东西,只能令到网站设计效果更差(噪音)。
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。
It would also need good shielding and special electronics to filter the DSSS signal from the radio-noise created by the Earth, the sun and the rest of the galaxy.
同时还需要良好的外层保护和特殊电子器件,从地球、太阳及其太空中传来的无线电“杂音”中过滤出dsss信号。
What Dr Shields did was to work out a way of subtracting the noise, and thus extracting the signal.
谢尔兹博士所做的就是找出法子降低噪音,从而将信号提取出来。
Accelerometer readings can be jerky and noisy. Applying low-pass filtering on the signal allows you to smooth it and get rid of high frequency noise.
加速度传感器数值可能被颠簸和噪音影响。应用低通过滤器在信号上可以是它平滑,并摆脱高频噪音的干扰。
The problems about the selection of excitation signal, limits of measurement frequency and noise influence have been discussed.
最后还讨论了时域法测量电极阻抗的激励信号的选择、测量频率上、下极限和噪声影响等问题。
But the signal environment that includes external noise, different kinds of clutter and interference will significantly limit the detection performance and system capability.
但是,包含外部噪声、各种不同杂波和干扰的信号环境将大大限制探测性能和系统能力。
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。”
It can effective extract principal features of the signal and repress the noise.
它可有效地提取信号的主要特征和抑制噪声。
In the algorithm, a new noise detection scheme is adopted to separate the pixels in the image into signal pixels and noise pixels.
该算法采用一种新的噪声检测方法将图像中的像素分为信号点和噪声点两类。
Measurement of the signal is usually vibration and noise, temperature, pressure, current, voltage, etc to one or more of the signal.
测量的信号通常是振动、噪声、温度、压力、电流、电压等信号中的一种或几种。
The experimental results show that both of them can resist signal distortions such as JPEG compression, Gauss noise, and the improved algorithm has better robustness and security.
从试验结果看,两种算法能够抵抗JPEG压缩以及高斯噪声等信号处理的攻击,且改进后的算法水印鲁棒性及保密性得到了增强。
In this paper, the formula of transinformation of channels in which the distributions of signal and noise are triangular is derived.
本文推导信号和噪声为三角形分布的信道的信息传输量计算公式。
This paper presents at first the definitions of the space expanded by an array, the signal subspace and the noise subspace.
首先对基阵所张成的空间、信号子空间和噪声子空间给出了定义。
To counter the characteristic of suppress jamming and center of mass jamming, this paper establishes the models of noise jamming, signal power attenuation and center of mass jamming.
针对压制干扰和质心干扰的特点,分别建立了噪声干扰模型、信号功率衰减模型和质心干扰模型。
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。
Signal to noise ratios come from the field called signal process and that, if you like, is a quite a technical concept.
信号信噪比来自外地所谓信号的进程,如果你愿意的话,是一个相当的技术概念。
Operating signal noise was also considered, and the sensor photodiodes were deeply embedded in silicon to isolate them from noise-causing elements on the chip surface.
考虑了工作信号躁声,感光光电二极管深嵌入硅片中,与芯片表面上产生噪声的元件相隔离。
Wavelet Transfer (WT) is a powerful technique in signal separation. It is very easy for WT to improve the signal-to-noise (SNR) by separating the random noise and useful signal.
小波变换技术具有很强的信号分离能力容易把随机噪声从信号中分离出来,从而提高信号的信噪比。
In this paper, we determine the smoothing scale by diffusion balance with analyzing the signal and the noise energy variation in anisotropic diffusion smoothing processing.
这里通过各向异性扩散过程中信号与噪声能量的变化,利用扩散平衡来确定平滑的时间尺度。
Furthermore the analysis of the Signal Integration (si) is considered, which has improved the anti-noise ability and the reliability of the system.
同时对测试系统进行了进行了信号完整性分析(SI),这对系统的抗干扰能力、可靠性的提高有很大的帮助。
Furthermore the analysis of the Signal Integration (si) is considered, which has improved the anti-noise ability and the reliability of the system.
同时对测试系统进行了进行了信号完整性分析(SI),这对系统的抗干扰能力、可靠性的提高有很大的帮助。
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