1) attenuation multiple
衰减倍数
1.
By calculating attenuation multiple and delay time,it can be concluded that the roof in this area not only needs to consider insulation,but also to consider heat insulation to reach the aim of building energy saving.
对夏季酷热、冬季寒冷的济南地区的屋面进行了非稳态传热的分析计算,计算的屋面类型包括现场喷涂硬质发泡聚氨酯保温层、50厚膨胀聚苯板保温层、40厚挤塑形聚苯泡沫板,通过计算衰减倍数和延迟时间得出:为了达到建筑节能,该地区的屋面不仅要考虑保温,而且要同时考虑隔热。
2) decrease
[英][di:'kri:s] [美][dɪ'kris]
倍数减少
3) e-fold length
e倍(衰减)长度
4) attenuation coefficient
衰减系数
1.
Measuring the ultrasonic attenuation coefficient of flyash scale in the transport pipeline;
输灰管灰垢声衰减系数的测定
2.
Experimental study on integrated attenuation coefficient of organic contaminant (COD_(Cr)) in upper reaches of Hanjiang River;
汉江上游有机污染物COD_(Cr)综合衰减系数的试验确定
3.
Experimental research on attenuation coefficient model of low-frequency wave in oil layer;
低频波在油层中衰减系数预测模型的实验研究
5) exponential decay
指数衰减
1.
First the image was transformed into diagonal one,reserving the correlations between variations of rows and those of columns of the image,then an image with definite size was obtained by using wavelet transform,and finally the susceptivity of algorithm to the change of illumination was reduced by using exponential decay strategy.
先将图像对角化表示,保留图像对角方向结构信息;再通过小波变换得到一定尺度的图像;最后利用图像灰度的指数衰减策略,降低算法对光照等变化的敏感性。
2.
Moreover,by study the asymptotic behavior of solutions for the ablve problem,that the energy is exponential decay in time was.
并且通过研究解的渐近行为,证明了能量随时间是指数衰减的。
3.
In this paper, we study the existence, uniqueness and exponential decay of the global solution for the systemwith initial conditionsHere |·|2 is the norm in L~2(0,L) , u is the transverse displacement of the string, d is the temperature and M,N and R are real nonlinear functions.
2)在不同的边界条件下强解的存在,唯一和指数衰减性。
6) numerical reduction
数值衰减
补充资料：衰减
信号在传输中，由于媒介的因素，将随时间和距离而减弱的现象。在电子设备中，为防止输入级因信号过大而限幅或阻塞，又人为加接衰减器。
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