21. The video signal modulates the carrier by Amplitude Modulation . 22. Pompei took Berktay's equations, modified them for the air and applied them in amplitude modulation . 23. Amplitude modulation , or broadcast on the same channel.24. And this is without going into the complexities of Orthogonal frequency-division multiplexing and Quadrature amplitude modulation . 25. The filtering capabilities of short-term plasticity may also assist with encoding information related to amplitude modulation . 26. In amplitude modulation , changes in the oscillation amplitude or phase provide the feedback signal for imaging. 27. Mathematically both of these are considered a special case of quadrature amplitude modulation ( QAM ). 28. The audio uses amplitude modulation rather than the frequency modulation in use on modern analogue systems. 29. Beyond multi-sensory integration IC responds to specific amplitude modulation frequencies, allowing for the detection of pitch. 30. AM broadcasting uses a channel spacing of 10 kHz, but with amplitude modulation frequency deviation is irrelevant.
