The result shows that the geometry accuracy of holographicsystem should be higher and that of speckle system could be lower.
结果表明，其中全息干涉系统的几何精度要求较高而散斑干涉系统的几何精度要求较低。
2
This chapter discusses two models of optical information channel of holographicsystem: intensity model and amplitude model, and discusses some methods overcoming noises by use of these two models.
详细讲述了光信道的两种模型：光强度模型和光幅度模型，并利用这两种模型讨论了克服噪声的一些措施；
3
One is a system that tracks the whereabouts of the audience's heads. The other is a novel diffraction technique, known as holographic projection.