此外，该过程仅需要一张全息图，而且不需要对全息图做预前和后期处理。
Furthermore all this is accomplished from a single hologram with no additional pre or post proc-essing required.
单独再现每一张全息图时无法观察到原物体信息，而将两全息图对准合在一起时，则可在计算全息图的观察面上得到原来的物体信息。
When single CGH is reconstructed, no information will be observed, while two alignment combined phase-only CGHs are reconstructed, the recorded information will be read out on the image plane.
这就像在蛇的脑袋中有一张热能全息图，精确得足以让毒蛇定位它的猎物。
It forms an image of the thermal environment in the brain. And this image is accurate enough for a snake to bite its prey.
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