stationary noise
英 [ˈsteɪʃənri nɔɪz]
美 [ˈsteɪʃəneri nɔɪz]
网络 平稳噪声; 稳态噪声
双语例句
- This method more effectively suppresses spatial nonstationary and stationary noise than the adaptive null-forming beamformer method by using a rotatable main lobe in the2-D plane.
该方法克服了自适应零限波束形成只能抑制空间相干噪声的缺点，并得到可在二维平面上旋转的波束主瓣。 - An optimal approach for enhancing a speech signal degraded by uncorrelated stationary additive noise, which exploits auditory perception properties, is proposed.
利用听觉系统的掩蔽特性，提出了一种优化的语音增强方法。 - Furthermore, by introducing the idea of statistics and setting a threshold value, the influence produced by stationary noise can be suppressed. So the locations of each cusp can be detected by the local maxima of the wavelet transform modulus.
进一步地，利用统计分布的思想，设定阈值，较好地屏蔽平稳噪声的影响，各奇异点的位置，则可以由小波变换的局部极大性检测出来。 - Because the spectral correlation function of signal is not sensitive to the stationary noise and interference, So the theory of spectral correlation has some advantage than other theory when at a low SNR.
由于谱相关函数具有对平稳噪声和干扰的不敏感性，所以在低信噪比下用谱相关理论具有一定的优势； - The theory of symmetrical function is used to suppress additive stationary random noise; assumption is that the signal and the noise are mutually uncorrelated.
文中利用对称相关函数理论，分析了抵消平稳随机过程中与信号不相关的加性随机噪声的机理，并应用于线谱信号检测。 - Adaptive Filtering for Short-time Dynamic Signal on Stationary Noise Background
平稳噪声背景下短时动态信号的自适应滤波 - The traditional sound intensity computing method based on FFT is an effective tool to analyze stationary noise signals, but it isn't suitable for nonstationary noise signals emitted from faulty mechatronic equipments. The advent of wavelet packets gives a chance to solve the above problem.
传统的基于FFT的声强计算方法是分析平稳噪声信号的有效工具，但是它却无法对机电设备发生故障时所辐射出的非平稳噪声信号进行有效的分析。 - When the input signal is only stationary background noise, the output signal is white noise.
当输入信号只有平稳背景噪声时，滤波器输出是白噪声；如果输入信号中含有短时动态信号，则滤波器输出就含有明显的信号波形。 - The Method of Detection on Transient Signal in Stationary Random Noise
平稳随机噪声中暂态信号的检测方法 - This algorithm doesn't need priori knowledge or reference channel, and it can be used in the stationary or nonstationary noise environment.
该算法无需先验知识和参考信道，且对平稳或非平稳噪声均适用。 - This paper makes a calculation of the detection performance, in Weibull noise, of the Dicke-fix CFAR detector and optimum parametric coherent integrator for stationary white Gaussion noise.
本文就较多的参数情况计算了Dicke-fixCFAR雷达检测器和平稳白高斯噪声中的最佳参量型相参积累检测器在Weibull噪声中的检测性能。 - Finally, a few special cases of the formula are discussed, one of which is non stationary white noise process, and other one is reduced to the formula for simulation of stationary stochastic processes.
最后对模拟公式的几种特例情况进行了讨论，其中一种情况得到非平稳白噪声过程模拟公式，另一种情况退化为平稳随机过程模拟公式。 - By exploiting wavelet packet transform to analyze signals both in time and frequency space, this paper researches the statistic property of non-Gaussian stationary noise and its signal structure.
该文利用小波包变换的时频局部分析能力，研究了非高斯分布平稳随机噪声的统计特性，揭示了非高斯噪声信号的信号结构。 - According to the characteristic difference between short-time dynamic signal and stationary noise background, this paper presents a novel LMS adaptive algorithm to be whitened stationary noise background based on AR model theory of time series.
根据短时动态信号与平稳背景噪声的特征区别，以时间序列的AR模型理论为依据，导出背景噪声自适应白化滤波器的结构，并用变步长LMS算法实现自适应滤波。 - Instead of using the homomorphic filter which is used to get rid of multiple noise and is a biased estimator, this algorithm translates speckle into locally stationary additive white noise.
该算法不同于有偏的去除乘性噪声的同态滤波算法，而是将噪声转化为局部平稳的加性白噪声。 - A new method for detecting the initial phase of the fundamental frequency component of a periodic signal mixed with stationary random noise by using the Morlet wavelet transform and ensemble average is presented, which provides a more effective means for the fault location in rotary machinery.
给出了采用Morlet小波变换并结合集合平均检测叠加有平稳随机噪声周期信号基频初相位的方法，为旋转机械故障定位提供新手段。 - In this paper, a new algorithm is proposed for DOA estimation in the spatial stationary and correlated noise when the array is linear with equispaced sensors.
本文提出了一种在空域平稳的相关性噪声中利用等间距线性排列的一维天线阵来进行DOA估计的新算法。 - Uncertainty of parameter statistics for two nonlinearly damped structures under stationary white noise excitations is considered. The effect on estimating system reliability is analysed.
阐述了在白噪声特征的稳态随机激励下，两种非线性阻尼结构参数统计的不确定性，分析了它们对系统可靠度估算的影响； - The spectral correlation of stationary noise and interference is identically zero.
平稳的噪声和干扰的谱相关为零。 - It is tolerant to additive stationary noise of any color or distribution.
适用于任何分布的加性平稳噪声（白噪声及有色噪声）。 - It is proved that encryption image is stationary white noise. Decryption method is robust.
可以证明该方法的编码图象为恒定的白噪声。 - Detection of Initial Phase of Fundamental Frequency Component of a Periodic Signal Mixed with Stationary Noise
平稳噪声背景下周期信号基频初相位检测 - We can divide the colored noise into stationary colored noise and non-stationary colored noise by their sensor noise power and the relativity between their sensor noise.
按照阵元噪声功率是否相等以及阵元间噪声的相关性，本文将色噪声分为空间平稳色噪声以及空间非平稳色噪声。 - These methods convert the plaintext to stationary white noise by use of two random phase keys.
这些方法都是利用两个随机相位板使明文信息变为平稳白噪声。 - Simulation results show that the algorithm reduces the computation complexity and efficient estimation is achieved under the stationary and non-stationary noise condition as well.
实验结果表明算法降低了计算复杂度，且能在非平稳噪声和平稳噪声环境下，实现有效的估计。 - Because of the limitation of data length, for periodic signals with adding stationary noise ( cyclostationary at the first order), SCF do not totally suppress the effect of stationary noise to periodic components.
从而发现，由于估计样本的有限性，对于含加性平稳噪声的周期信号（一阶循环平稳），谱相关函数在循环频率域并不能完全抑制平稳噪声对周期成分的影响。 - As autocorrelation sequence is robust to stationary noise and slow-varying noise, we applied multi-level wavelet decomposition on the relative autocorrelation sequence in the feature extraction algorithm.
相对自相关序列对于平稳噪声和慢变噪声具有较好的鲁棒性，因此本文提出了一种对其进行多层小波分解的特征提取算法。 - A new cyclic autocorrelation based phase-coded signal blind parameter estimation method is proposed, and the effect of stationary noise on the estimation performance is also provided.
提出了一种基于循环自相关函数的载频和码片时宽盲估计方法，分析了平稳噪声对该方法性能的影响。 - Original structural stochastic systems are excited by non-stationary and non-white ambient inputs, and augmented systems still undergo ideal stationary white noise.
原始结构随机系统受到非平稳、非白噪声的环境输入；而扩展系统受到的仍是理想的白噪声输入。