Meanings of superimpose on top in English

But right now I can see his face superimposed on top of hers.

All I could see was a little girl's face superimposed on top of hers.

He handed me a photograph that was many images superimposed on top of one another.

The shimmering effect itself is like an oil-slick, superimposed on top of everything, like an ethereal filter.

But today's temperatures are only record-setting because the El Niño was superimposed on top of human-caused global warming.

Instead, an atomic clock aboard each satellite regulates a 1.023-Mbit pseudo-random bit pattern that is superimposed on top of the satellite's data signal.