背景噪声

In MATLAB environment, the background of the non-Gaussian noise filtering is applied to the new algorithm.

在MATLAB环境下，背景为非高斯噪声下非常适用的滤波新算法。

So, it causes the development of frequency estimation in colored background noise.

这也就促成了色噪声背景中频率估计技术的发展。

Methods of wavelet transform are effective methods of time-frequency analysis under the background of strong noise.

小波变换是在强噪声背景下进行信号时频分析的有效方法。

A detecting method for weak sine signal under noise background is proposed in this paper.

提出了一种对噪声背景下微弱正弦信号的检测方法。

The background light noise is a primary factor that affecting the system performance.

背景光噪声干扰是影响系统性能的一个主要的因素。

It is further verified that the chaos in the beds is chaotic motion in the strong noise background.

进一步证实了流化床中的混沌是在强噪声背景下的混沌运动。

This software package is of the following capabilities: top view display, line plot, net plot, surface plot, section analysis, background plane reduction, zoom, 1-D or 2-D Fourier transformation, power density analysis, restoration of STM images, smoothing, low pass or high pass filter, BMP file output, printing images etc.

STM图象是三维数字图象，考虑到其它自制仪器的需要，编写了通用三维图象处理软件，其中包括：黑白灰度、伪彩色顶视图显示，三维线形图、网格图显示，真三维立体图显示，剖面线分析，背景平面扣除和斜面校正，灰度直方图平坦化，卷积滤波边缘增强，选区放大和插值处理，一维、二维Fourier变换，功率谱分析，STM图象复原，噪声扣除和STM图象格式文件输出，打印等。

It is found that the detector noise decreases with the decrease of the background radiation.

结果表明，随着背景辐射的减小，器件的测量噪声亦减小。

It uses special signal amplification circuit to realize elimination of background THz radiation noise.

采用特殊的信号放大电路实现消除背景THz辐射噪声的功能。

The influence of background radiation on noise of medium-wave and extremely-long-wave HgCdTe detectors is studied.

研究了不同响应波长的HgCdTe器件在不同背景辐射条件下的噪声变化。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。