By means of the principle of correlation analysis, this paper introduces an approximate method for estimating signal-to-noise ratio on random noise background.
本文利用相关分析的原理,提出一种在随机噪音的背景上估算信噪比的近似方法。
The results demonstrate the cross correlation filter not only can suppress random noise in GPR signal but also confirm exactly the onset of reflection wave.
结果表明:应用该文所介绍的处理方法不但能有效压制探地雷达信号中的随机干扰而且能精确确定反射波的起跳点。
In a low light level wavefront sensor with image intensifier, the random noise of CCD output image is inhibited by delay correlation algorithm.
在带像增强器的微光波前传感器中,采用延时相关算法抑制CCD输出图像的随机噪声。
Using correlation means in testing phase response can reduce random noise and improve precision of phase test.
用相关法进行相频特性的测试,可以有效抑制随机噪声的干扰,提高相位测量的精度。
The nonlinear response in the bistable system with a random binary signal by adding the variable amount of noise is studied, and the input-output cross-correlation coefficient is measured.
研究了噪声和随机二进制信号同时激励双稳系统时的输出响应,并测量了输入输出互相关系数。
But the normalized auto-correlation of real seismic acceleration record comprises an obviously random noise with amplitude value of 0.15 or so, that is so called super random content.
但是真实地震动的归一化自相关函数则有一较显著的随机噪声项,这个随机噪声的幅值为0。15左右,这就是本文中所说的超随机特性。
When the random processes that meet certain power spectra are simulated by digital filters to white noise, the step length of the filters affects response mean-square values and correlation functions.
当用计算机模拟满足一定功率谱规律的离散数字随机信号时,通常是对伪随机白噪声离散数字信号进行数字滤波来模拟。
When the random processes that meet certain power spectra are simulated by digital filters to white noise, the step length of the filters affects response mean-square values and correlation functions.
当用计算机模拟满足一定功率谱规律的离散数字随机信号时,通常是对伪随机白噪声离散数字信号进行数字滤波来模拟。
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