Gaussian noise

We also make an experiment on noise removal from a visible light image and an infrared image respectively by adding Gaussian noise and salt-and-pepper noise.

最后对可见光、红外图像分别添加高斯噪声、椒盐噪声进行去噪实验。

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the motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation.

油液阻尼器受指数型高斯色噪声外激励时，活塞在油腔内的运动可用一阶非线性动力学方程描述。

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this paper deals with the detection of weak transient signal buried in non-gaussian noise.

研究 非 高斯噪声中微弱瞬态信号的检测.

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The existing study on WDP system are all based on additive white Gaussian noise ( AWGN) channel and few focuses on that in fading channel.

现有的关于WDP系统的研究均是针对AWGN信道进行，基于衰落信道的WDP系统研究很少涉及。

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Using sine wave of single-frequency, harmonic frequency, multi-harmonic frequency noise plus Gaussian noise to simulate the noise wave produced by exhauster.

以单频、谐频、多谐频噪声的正弦波产生出的信号再加上高斯噪声加以合成，使其产生出模拟抽油烟机的噪声声波，来进行模拟实验。

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The Simulation of Checking Duality Signals with White Gaussian Noise Using Plenitude Statistic Method Based on MATLAB

基于MATLAB利用充分统计量法对含有高斯白噪声二元信号检测的仿真

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Simulation environment: additive white Gaussian noise channel.

仿真环境：加性高斯白噪声信道。

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the structure of the locally optimum rank detector ( lord) is derived and found to be in the form of incorporating a ranker and a locally optimum rank zero-memory nonlinearity ( lorznl) into the neyman-pearson optimum detector for narrowband gaussian noise.

导出局部最佳秩检测器（LORD）的结构，发现其形式为在窄带高斯噪声中的N-P最佳检测器中引入求秩器和局部最佳秩零记忆非线性（LORZNL）。

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QPSK the additive white Gaussian noise environment, and the signal-to-noise ratio of the simulation.

QPSK在 加性高斯白噪声环境下, 信噪比和误码率的仿真.

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in wpm the bit error rate ( ber) of subchannels performance in the additive white gaussian noise ( awgn) channel, rayleigh flat fading channel and frequency selective fading channel has been shown. 2.

仿真分析了小波包调制系统在加性高斯白噪声（AWGN）信道、瑞利（Rayleigh）平坦衰落信道以及频率选择性衰落信道中各子信道的误比特率性能。

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Assuming that the target RCS fluctuation characteristic is the Gaussian spectrum characteristic, this paper simulates the target RCS fluctuation characteristic by white Gaussian noise passing through a lowpass filter with Gaussian spectrum shape.

在假定目标RCS起伏为高斯形状频谱特性的前提下，将高斯白噪声通过一个高斯谱特性的低通滤波器来模拟目标RCS起伏特性。

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This study points out that pavement surface distress noise is mainly divided into impulse noise and Gaussian Noise.

指出路面破损图像的噪声主要分为脉冲噪声和高斯噪声两类。

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quadratic nonlinear coupling analyse of two-dimensional harmonics in gaussian noise with quaternion and hypercomplex

四元数和超复数在二维二次非线性相位耦合分析中的应用

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According to different channel models, CDMA systems can be divided into additive white gaussian noise ( AWGN) channel and dispersive channel, time-variant and time-invariant channel.

CDMA系统按信道模型的不同分为高斯白噪声信道和衰落信道、时变和时不变信道。

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Then, the thesis proposes an unsharp masking technique with Gaussian noise suppression through analyzing and comparing various edge detection operators.

随后通过对各种边缘检测算子的分析和比较，在传统反锐化掩模算法的基础上，提出了一种带高斯噪声抑制的反锐化掩模算法。

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The past noise were regard as Gaussian noise in the electromigration analysis, and the model based on Gaussian process;

以往都是将噪声信号当作高斯信号，而且电迁移噪声表征模型也是基于高斯过程的。

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also adding gaussian noise curve.

并对曲线添加高斯噪声.

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It is shown that, in the sense of Pitman asymptotic relative efficiency ( ARE), the asymptotic performance of many detectors whose nonlinearity can more effectively suppress the tail of the noise envelope distribution is apparently better than that of the Neyman-Pearson optimum detector for narrowband Gaussian noise.

说明在皮特曼（Pitman）的渐近相对效率（ARE）意义上，许多具有能更多抑制噪声包络分布尾部的非线性的检测器，其渐近性能明显优于窄带高斯噪声中的尼曼-皮尔逊最佳检测器。

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higher-order spectrum has the powerful noise immunization capability, and can remove the gaussian noise entirely in theory.

高阶谱有很强的消噪能力，理论上能完全抑制高斯噪声。

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Maximum Likelihood Detection for Sampled PPM Signals in White Gaussian Noise

白高斯噪声下取样PPM信号的最大似然检测

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because fourth-order statistics can restain the gaussian noise, the method has high stability in noise conditions.

由于四阶累量对高斯噪声的抑制性, 该方法还具有很强的抗噪性.

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the sr phenomenon of an rlc series circuit perturbed by white gaussian noise is investigated.

研究了RLC串联电路受高斯白噪声扰动时系统输出的随机共振现象。

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Simulations for bit-error-rate on an additive white gaussian noise channel showed that at the threshold of visibility the required E_b/ N_0 was only 3.4 dB, which is 1.8 dB better than the reference schemes.

在加性高斯白噪声信道下的误码率性能仿真证明：在视觉门限下该方案所需的比特信噪比Eb/N0仅为3.4dB，比参考方案有约1.8dB的增益。

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the output signal-to-noise ratio ( snr ) in an additive white gaussian noise ( awgn ) channel is calculated.

推导了 接收机 在加性 高斯白噪声 信道下的输出信噪比公式.

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Experimental results indicate that FNN filter has better effect on impulse noise, Gaussian noise and mixed noise than VMF, especially on preserving edges and fine image details.

结果表明：模糊神经网络彩色滤波器无论对单纯的脉冲噪声及高斯噪声，还是二者的混合噪声，其滤除能力都要优于矢量中值滤波器，并且有较好的边缘和细节保持能力。

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One of the main studies for algorithms of DOA estimation is how to accurately estimate signals' orientation under the background noise, while the background noise is various, ranging from the simple white Gaussian noise circumstance to the complex unknown space colored noise circumstance.

波达方向估计的主要研究内容之一是如何从背景噪声中准确地估计信号的方位（而这些背景噪声各种各样，大致从简单的高斯空间白噪声环境到复杂的未知空间色噪声环境）。

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The paper discusses image denoising in both cases of Gaussian noise and Impulse noise.

文中分别讨论了高斯噪声和脉冲噪声两种情形下的去噪问题.

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In OFDM systems, a transmission channel is partitioned into a set of orthogonal sub-channels, each with approximately flat transfer function and additive white Gaussian noise ( AWGN).

在OFDM系统中，数据传输信道被划分为许多正交的子信道，各个子信道可以看作是平坦性衰落和高斯噪声信道的叠加。

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The method not only make use of coherent to pile up signal, but also use the higher-order cumulant of gaussian noise equal zero to restrain gaussian noise.

该方法不但利用阵列信号的相干叠加增强了输出信号，还利用高斯噪声的高阶累积量等于零这一性质消除了阵元和空间噪声，从而获得了更高的基阵增益。

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the application of a gaussian markov random fields ( gmrf) based maximum a posteriori probability ( map) estimation for image gaussian noise filter was presented.

提出了基于高斯马尔可夫随机场（GMRF）的最大后验概率（MAP）估计在图像高斯噪声滤波中的应用方法。

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