利用MATLAB编的程序段可以实现计算机制全息图及数字全息图的频谱滤波-Procedures for the use of MATLAB can be achieved above the computer system and digital hologram hologram spectrum filtering

数字全息的菲涅耳再现算法和角谱算法，包括频谱滤波。-Fresnel digital holographic reproduction algorithms and angular spectrum of algorithms, including spectral filtering.

本文首先对数字全息技术的记录和再现的基本原理、数值重建算法、频谱滤波方法，数字全息图的记录条件、再现光场的分离条件等基本问题进行了分析讨论-Firstly, the basic principle of the recording and reproducing of the digital holography, numerical reconstruction algorithm, the spectral filtering method, the digital hologram rec

离轴数字全息角谱（D-FFT）再现算法，加频谱滤波(Off-axis holographic angle spectrum reconstruction)