The statistical capability of estimate of sinusoidal parameter in complex noise is researched in detail and the corresponding CRLB is given.
详细研究了复噪声中正弦参数估计的统计性能,给出了模型中各参数估计的克拉美罗限;
This filter can effectively restrain background noise and acquire clear speech signal when applied in speech signal pick-up from the background with complex noise.
将此滤波器应用于复杂噪音背景的话音信号提取,能很好地抑制背景噪声,从而获得清晰的话音信号。
This paper analyses channel properties of low-voltage power line channels. Aiming at the slow-variant and complex noise of channel, an estimation algorithm is put forward.
分析了低压电力线信道特性,针对信道慢时变特性及噪声复杂的特点,提出一种适用于低压电力线通信信道的直接决策估计算法。
However it is always one of main problems for volume holographic storage which is made practicality that there are a lot of the complex noise sources in the recording channel.
但是体全息存储记录通道中复杂的噪声来源一直是妨碍体全息存储技术实用化的主要问题之一。
Comparing the results between common beam forming and MVDR method, it shows MVDR method has higher resolution and can identify the complex noise distribution of the moving heavy d.
对重型商用车声源识别结果说明,利用最小方差无畸变响应估计能较常规波束成形更好地识别出噪声源。
Then the influence on the average power spectrum and bispectrum of specklegrams caused by the photon noise, additive noise and more complex noises of other kinds in the detecting system .
介绍了所用的二维光子计数斑点像探测系统的性能,分析了探测系统的光子噪声、附加噪声和其它更复杂的噪声对斑点图的平均功率谱和重谱的影响。
Coughs typically last around one-quarter of a second, comprising a sharp intake of breath, a silent exhalation and then the complex burst of sounds that makes the cough noise.
典型的咳嗽会持续约四分之一秒,包括刺耳的吸气,安静的呼气,然后是形成咳嗽噪声的复杂爆裂声。
Regular expressions are complex pattern specifications built using building blocks that end up looking more like modem line noise as the pattern gets more complex.
正则表达式是使用各种构件构建的复杂模式规范,并且随着模式变得越来越复杂,它看起来就像是调制解调器的线路噪声。
Each group then USES complex algorithms to analyze the signals that stood out above the background noise.
每个团队都会对这些在背景噪音中脱颖而出的信号使用复杂的算法进行分析。
The method is used to detect actual complex surface, and denoise background noise combined with the histogram equilibrium algorithm.
上述定理应用于复杂背景下的路面检测,结合直方图均衡化算法消除背景噪声;
They only added noise to an already complex suite of specifications, confused customers, and reinforced CORBA's reputation of being hard to use.
它们仅仅在已经复杂的规范集合上增加了更多的噪音,使得客户迷惑,并且加强了CORBA难以使用的名声。
Vibration isolating grommets are standard for every hard drive and a complex airflow cooling design to maximise airflow and cooling effects with minimum noise.
振动绝缘索环对每种硬盘驱动器和复杂的气流冷却设计最大限度的气流和最小限度噪音的冷却效果中的一种标准。
It has been proved that structure of food chain, immigration and emigration, environment noise can influence the pattern of complex population dynamics.
研究表明食物链的结构、种群的迁入和迁出、环境噪音都会对种群的复杂性动态特征产生影响。
Noise pollution has complex spatial distribution, traditional evaluation methods achieve accurate, direct-viewing effects with difficulty.
噪声污染具有复杂的空间分布特征,传统评价方法难以达到准确、直观的效果。
In view of complex and changeable background noise in coal mines exploitation, the key question is how to extract the effective AE signal.
鉴于煤矿开采过程中,背景噪声相当复杂且多变,如何能将有效的AE信号提取出来是一个关键问题。
You, as complex as your life may be, are just background noise to the person sitting next to you on the subway.
你和你的生活一样复杂,但在地铁上对坐你身边的人来说却只是背景噪音。
You, as complex as your life may be, are just background noise to the person sitting next to youon the subway.
你和你的生活一样复杂,但在地铁上对坐你身边的人来说却只是背景噪音。
The key problem of the loose parts monitoring system for primary loop of pressurized water reactor is how to extract loose parts impact signal from complex background noise.
压水堆一回路松动件状态监测系统的关键环节在于如何从复杂背景噪声中提取松动件冲击信号。
This permits complex modulations to be created such as noise superimposition.
这使复杂的调制要建立如噪声叠加。
This paper points out that the electrochemical noise obey logarithmic normal distribution and inverse power law, and the electrochemical noise is caused by the systematic complex.
本文首次指出电化学噪声服从对数正态分布与反幂律,它的产生在于系统的复杂性。
Because of the noise and complex of AE signal transmission characteristic, the recognition of AE source is very difficult.
由于各种噪声的影响,以及声发射信号传播过程的复杂性,又给声源的识别带来一定的困难。
This type of flow has not only complex flow separation, but the character of unsteady bringing noise.
这类流动不仅具有复杂的流动分离结构,而且常常不稳定,也是噪声发生的主要区域。
Serious noise was occurred in acrylonitrile absorption tower of some petrochemical complex when the exhausting load increased, which made the environment pollute greatly.
某石油化工总厂丙烯腈车间的吸收塔在放空负荷增大以后产生了较严重的噪声,对生产环境造成极大污染。
For reducing noise pollution, we adopted a new technology of perforated aluminium panel sound-absorbent wall with centrifugally glass-wool inside for a certain office building complex project.
在某综合办公楼工程中,为减少噪声污染,我们采用了穿孔铝板、内填离心玻璃隔音棉的吸音墙面的新技术。
Traditional vibration feeders are mainly driven by electromagnet, which has the deficiency such as large volume, heavy mass, complex structure and loud noise.
电磁振动送料器在工业自动化生产线上已得到了广泛的应用,但其存在噪音大、结构复杂等缺点。
The experimental results show that this model can obtain better results with respect to images with noise, complex background or inhomogeneous.
实验结果显示,该模型对背景复杂,非同质图像以及噪声图像具有很好的分割结果。
Experimental results show that the proposed algorithm is insensitive to noise and is efficient in complex edge detection.
实验结果表明,该算法对噪声不敏感,复杂的边缘检测是有效的。
It's precisely these complex organizations that achieve company-wide success through strong, gutsy leaders that make noise, put themselves at personal risk, and are not afraid to fail.
不过,这些复杂的机构之所以能够获得全公司的成功,正是由于它们的领导者强大勇敢、愿意发声,甘冒个人危险,也从不害怕失败。
A method for estimating the frequency of a complex sinusoid in additive complex white Gaussian noise is proposed.
本文提出了一种在加性复高斯白噪声中对单频复正弦信号频率的估计方法。
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。
应用推荐