评价曲线 meaning in English

appraisal curve
noise rating chart

Acoustics . nr curve for the assessment of noise
声学.噪音评价曲线
Keeping acuity of focus measure curve , new approaches reduced run - time and improved the speed of focus
二者在保持对焦评价曲线灵敏度的同时，可以有效地降低计算量，加快对焦速度。
In the method dff ( depth from focus ) , aiming at the characteristic of the images , we proposed that wiener filter and image brightness normalization can be apply as preprocessing tools
首次提出用维纳滤波和图像亮度归一化对图像做预处理，使对焦深度法的评价曲线形状得到明显的改善。
We revised frequency spectrum functions by using weighting factor - the distance between direct component and alternating component , and improved the acuity of focus measure curve
提出用交流分量到直流分量的距离作为加权因子对频谱评价函数进行改进，有效地提高了对焦评价曲线的灵敏度。