1) dichotomous noise
分段噪声
1.
Stochastic resonance under modulated noise in linear systems driven by dichotomous noise
信号调制下分段噪声驱动的线性系统的随机共振
2.
The exact expressions of the first two moments and signal-to-noise ratio(SNR) are obtained when we introduce the asymmetric dichotomous noise into the system.
研究了偏置信号调制下关联分段噪声驱动的过阻尼线性系统的随机共振现象,推导出了一阶矩、二阶矩和信噪比的解析表达式。
2) noise analysis
噪声分析
1.
Noise Analysis of Infrared Image and Muti-dim-small Target s Enhancement;
红外图像的噪声分析和弱小目标的增强
2.
Data process of spectroscopic surface plasmon resonance analyzer based on noise analysis
基于噪声分析的波长表面等离子体共振分析仪的数据处理
3.
Using some new decision supporting theories, an intelligent decision supporting system can be created to conduct the noise analysis of SARS epidemic situation, forecast the evolution direction of the epidemic, and give proper solution.
通过运用新的数据分析和决策支持理论 ,建立智能的决策支持系统 ,对现有的疫情进行数据噪声分析、灾变趋势预测以及提出科学决策。
3) noise distribution
噪声分布
1.
CFAR processor independent of original noise distribution;
与初始噪声分布无关的恒虚警处理器
2.
An interpolating method to recover original noise distribution using measured data is validated, and the recovery error is measured.
借助半导体光放大器(Semiconductor optical amplifier,SOA)静态模型分析了有源光纤环脉冲复制器的输出放大自发辐射(Amplified spontaneous emission,ASE)噪声功率特性与环内SOA偏置电流及环内注入直流光功率之间的关系,并对环输出噪声分布的形态进行了仿真分析。
3.
Track efficiency and momentum resolution under different noise levels and different noise distributions are presented.
利用蒙特卡罗方法模拟了漂移室的随机噪声和对其性能的影响,分别考虑了击中丝和非击中丝的时间道和电荷道的噪声,给出了径迹效率和动量分辨随噪声水平和噪声分布的变化情况。
4) Fractal noise
分形噪声
1.
Detection of BPSK signals from fractal noise based on wavelet spectral correlation
分形噪声中BPSK信号检测的小波谱相关方法研究
2.
The theoretic analysis show when Snr>5dB:(1)the affection of fractal noise is so light that the classification feature retain a distinct boundary.
提取了盒维数、信息维数和高阶分形特征-缝隙尺度变化率构成分类特征向量空间,这些特征包含了信号幅度、频率和相位的变化规律,集中了各种调制方式之间的差异信息,通过理论分析和仿真表明,当 SNR>5dB 时,(1)分形特征对分形随机噪声不敏感,能充分保证分类特征在决策空间存在一个较清晰的边界;(2)在相同的 SNR 环境下,分形特征在分形噪声环境下比在高斯白噪声环境下有更好的稳定性,对5种调制样式的识别率均大于92。
3.
In this paper, using R/S analysis method, through fractal noise that describes fractional Brownian motion and the relationship between fractal noise and H value of Hurst exponent, the noise color of price behavior of Shanghai stock market is tested empirically.
运用R/S分析方法,通过分析分形布朗运动的分形噪声及其与Hurst指数H值之间的对应关系,实证检验了上海股市价格行为中存在的噪声色彩。
5) noise separation
噪声分离
1.
The exploration of the conducted EMI noise separation including hardware-based separation and software-based separation have been described and compared, with advantages and disadvantages discussed.
结果表明 ,基于分相器 /混和器的噪声分离网络具有更好的高频特性 ,且网络插损和噪声模态抑制特性能够满足工程精度要求 ,但网络制造成本较高 。
2.
In this paper, noise separation and frequency spectrum analyzing techniques are used to find out why the noise level of the bus of GZ6921 model with rear_placed diesel engine layout exceeds the limit set by the national standard, the main noise sources and their frequency spectrum distribution are thus identified.
运用噪声分离、频谱分析等技术手段 ,找出了GZ6 92 1型后置柴油机大客车噪声超过国家标准的原因 ,并对主要噪声源及其频谱分布进行了分析 。
6) Noise Component
噪声分量
1.
Separation of Precision Clock Noise According to Noise Components and Estimation of f~(-1) Random Process in White Noise;
精密时钟噪声的按噪声分量分解与白噪声中f~(-1)随机过程的最优估计
补充资料：东汉分段锦铜马
东汉分段锦铜马 东汉时期铜制品。1975、1976年，贵州兴仁、兴义东汉墓出土。铜马系分段铸造，装配而成。全马分头、耳、颈、身躯、尾四肢十一段。除两耳外，其余九段皆砂模空心铸造，装配接头为子母口，由十七个销拴固定。两耳及尾铸成子母口投合后，再涂上一种白色粘合料加以固定。从耳至足通高88厘米。昂首翘尾，左前肢提起，张嘴露齿作嘶鸣状。两耳直立，耳内涂朱。辱涂朱，上唇外残留有涂金痕迹，面具涂金。腹部丰满，臀部方圆，长肢，肘腋开豁，方膝，厚蹄，尾打结，这种分段铸造，镶接成形的铜马，在四川也曾出土过，但不多见。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条