1) out of band noises
带外噪声
1.
The out of band noises of Eureka 147 DAB (digital audio broadcasting) signals produced by HPA (high power amplifier) nonlinearities were analyzed to reduce the interference to adjacent channels.
为更好地抑制带外噪声 ,减小信道间的干扰 ,在对Eureka 147DAB(数字音频广播 )信号调制过程进行介绍后 ,从频谱扩展的角度分析了 HPA (高功率放大器 )对 DAB信号的影响。
2) stripe noise
条带噪声
1.
A new destriping method based on 2-D directional filtering was proposed based on the analysis of the main causes and characteristics of the stripe noises in remote sensing images.
条带噪声是影响遥感图像质量的重要因素之一。
2.
Aiming at the obvious stripe noises existing in the images received by the high-resolution power CCD camera carried on the China-Brazil resources satellite No.
针对中巴卫星高分辨率CCD相机接收影像存在明显的条带噪声 ,本文提出了基于纹理分析的去条带方法 ,即将图象上具有特定特征的噪声信息看作是某种对应的纹理特征 ,在基于纹理特征滤波法进行图象预处理的基础上 ,再用灰度共生矩阵法进行直方图平滑 ,以进一步消除局部噪声。
3.
Deep research in high-frequency characteristics of pushbroom hyperspectral imager(PHI) stripe noise,in view of the disadvantages of currently common and several improved moment matching methods,an improved smooth filtering algorithm by row is proposed.
研究了推扫高光谱图像(PHI)影像中条带噪声的高频特性,针对目前常用的矩匹配方法及几种改进的矩匹配方法都存在一定的缺点,提出一种改进的行平滑条带滤波方案,对含有条带噪声波段行均值曲线进行平滑处理,并调整图像中各像元的灰度值,以减小行间灰度差异,所得图像的峰值信噪比有所提高,取得了比按波段的矩匹配方法更好的去条带效果,在较好地削弱图像中条带噪声的同时,保留了原图像的辐射特征。
3) narrowband noise
窄带噪声
1.
Performance analysis of anti-narrowband noise in spread spectrum telemetry and telecontrol system;
扩频测控系统抗窄带噪声性能分析
2.
Different arithmetic of the security range and influential factors in two different conditions broadband and narrowband noise are studied separately.
将潜艇宽带噪声和窄带噪声分开考虑,分别研究两种噪声下潜艇声隐身安全半径的算法,并分析了对其的影响因素。
4) band-limited noise
带限噪声
5) noise bandwidth
噪声带宽
1.
Some realization ways of measurement are discussed,including the maximum output power,output amplitude and noise bandwidth.
讨论了低频噪声源的最大输出功率、噪声输出幅度以及噪声带宽测试的实现途径。
2.
The use of digital rating loop in Doppler radar always comes down to adjusting the noise bandwidth.
本文针对噪声带宽对测速系统指标的影响 ,对测速环路的噪声带宽选择作了详细的理论分析。
3.
Through methods of noise bandwidth and simulation, comparisons have been made between traditional supply chain and information sharing supply chain, the effect of parameters of the logistics lead times and the exponential smoothing forecast on the bullwhip effect have been analyzed.
分别利用噪声带宽和Matlab/Simulink对一个可扩展多主体线性供应链系统的牛鞭效应进行了建模与仿真研究,分析了实施信息共享前后供应链系统的牛鞭效应,探讨了物流延迟时间参数和指数平滑预测参数对牛鞭效应的影响,并给出了减弱牛鞭效应影响的相应策略。
6) Strip noise
条带噪声
1.
Strip noise is one of the important factors affecting the quality of the imaginary acquired from space and the further processing on information retrieving from MODIS 1B image.
条带噪声是影响MOD IS影像质量和反演精度的一个重要因子。
2.
But CHRIS/PROBA data is contaminated seriously by strip noise,especially the vertical strips,so destriping is the primary step of work before using it.
但CHRIS/PROBA数据本身被严重的条带噪声所污染,尤其是垂直条带噪声,因而去除条带噪声则成为使用CHRIS数据的首要与处理工作。
补充资料:折带外滤式圆筒真空过滤机
折带外滤式圆筒真空过滤机
折带外滤式圆筒真空过滤机
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