测试距离 meaning in Chinese

measuring distance

The theoretical analysis indicates that the main factors of cover - shelter properties of fabrics are cover factor of fabrics , fabric thicknesss , optical reflectance and absorbance of yarn . with a combination of distances and luminaces , 512 experiments were made to find out the relationship between the least distinguishable distance and reflectance coefficient
通过理论分析,指出了影响织物能见度的主要因素有织物覆盖系数、织物厚度、纱线的光学反射率和吸收率.将测试距离跟织物前与织物后目标物的照度组合成512项实验,由此获得最小分辨距离和反射系数间的关系
And then , the different demands of position detecting on different light source and different distance are discussed . the different effects of position detecting on different circuit parameters and different center - filter frequencies are compared experimentally . after analyzing the factors that influence the speed and the precision of position detecting , the paper put forward the improving measures
本文对不同环境光照和不同测试距离下的位置测量要求进行了探讨，对不同的电路匹配参数和不同滤波中心频率的位置测量结果进行了实验比较，认真分析了影响位置测量响应速度和精度的因素，提出了提高psd器件的抗杂光干扰能力和位置测量精度的措施。