With the fast development of computer technology and the invention of CCD (Charged-coupled Device), more and more research was put on digital holography.

• 随着近年来计算机技术迅速发展和CCD(Charge-Coupled Device，电荷耦合器件)等高质量数字光敏元件的出现，近来对数字全息术研究工作逐渐增多。