1) baseband noise
基带噪声
1.
It adopts the digital method, which can produces baseband noise sequence that includes digital low-pass filter and it also can update the noise bandwidth and amplitude at any moment.
该数字噪声信号发生电路采用数字方法生成基带噪声序列,并加入数字低通滤波,可在线修改噪声带宽和幅度。
2) baseband noise ratio
基带噪声比
3) baseband intrinsic noise ratio(BINR)
基带本征噪声比
4) baseband intrinsic noise ratio
基带固有噪声比
5) 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。
6) 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。
补充资料：基带
基带(BASEBAnd)，又叫基频。在大部分手机中，基频都是最昂贵的半导体元件，随着TFT-LCD显示屏价格的下降，基频正在成为手机中占成本比例最高的元件。不仅如此，基频还决定了手机平台的选择，很大程度上决定了手机的功能和性能。毫无疑问，基频是手机的心脏。
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