1) signal-to-noise ratio assessment
信噪比评价
1.
The classification of Sophara alopecuroides L in Etuoke Town,Inner Mongoulia was extracted with 7 vegetation indices such as NDVI,DVI and MSAVI,and then those methods were compared with classification precision assessment and signal-to-noise ratio assessment and the analysis result showed that by signal-to-noise ratio assessment MSAVI was a better method among others because it could flu.
苦豆子是一种兼具药用、经济、生态等多方面价值的灌草,本文利用NDVI、DVI和MSAVI等7种植被指数(Vegetation Indices)对内蒙古鄂托克前旗地区的苦豆子资源进行遥感分类提取,并且利用分类精度评价和信噪比评价2种方法比较了这几种植被指数在苦豆子分类上的优劣。
2) OSNR penalty
光信噪比代价
3) probability-SNR evaluation method
概率-信噪比评估法
5) Noise assessment
噪声评价
1.
The noise assessment and control of Jinan Sewage Disposal Factory;
济南污水处理厂噪声评价与治理
2.
Traffic noise assessment and prediction system based on GIS;
基于GIS的交通噪声评价和预测系统
3.
This article, from the approach of understanding extent to architectural environment noise control, analyses factors influencing noise assessment, represents different physical quantities on the noise assessment used in different countries, and illustrates the calculation of physical quantities on the environment noise assessment used in our country.
从建筑环境噪声控制程度的认识入手,分析了噪声评价的影响因素,给出了世界上不同国家噪声评价的不同物理量,并用事例说明了我国目前采用的环境噪声评价量的计算方法。
6) evaluation noise
评价噪声
补充资料:视频信噪比
“噪声”的简单定义就是:“在处理过程中设备自行产生的信号”,这些信号与输入信号无关。对于多媒体硬盘播放器来说,信噪比都是一个比较重要的参数,它指音源产生最大不失真声音信号强度与同时发出噪音强度之间的比率称为信号噪声比,简称信噪比(Signal/Noise),通常以S/N表示,单位为分贝(dB)。对于多媒体硬盘播放器来说,该值当然越大越好。
目前多媒体硬盘播放器的信噪比有56dB、60dB、65dB、85dB、90dB、95dB等等,我们在选择多媒体硬盘播放器的时候,一般都选择60dB左右的,但即使这一参数达到了要求,也不一定表示机子好,毕竟它只是多媒体硬盘播放器性能参数中要考虑的参数之一。
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