1. A method comprising: obtaining a plurality of samples of a plurality of signals from a plurality of transmitter-receiver pairs, a transmitter-receiver pair configured to transmit a signal and receive the signal reflected by an object; determining, by logic encoded in one or more computer-executable storage media, a plurality of intersection points, an intersection point indicating an intersection for a plurality of integer multiples of a sample-time distance; selecting a subset of samples corresponding to the intersection points; and generating image data from the selected subset of samples, the image data used to generate an image of the object.