梯度曲线 meaning in Chinese

gradient-curve

( 2 ) computational simulations on in - line holography of single particle , multi - particle in one plane and particle field ( multi - layer ) are performed . a technique to find the focal plane is given according to the gray - gradient curve of the particle image . an improved numerical reconstruction method is proposed , which can eliminate the border diffraction
( 2 )对同轴粒子全息图的记录和再现过程进行了数值模拟，提出了根据灰度梯度曲线判断粒子成像平面的方法，同时提出了一种可有效消除全息图边框衍射条纹的改进算法。