1. A radar transmission system comprising: a transmitter system configured to generate one or more radar signals; and an antenna system having spatially-separated elements and configured to radiate the one or more radar signals from the spatially-separated elements, wherein the transmitter system and/or the antenna system are configured such that the radiated radar signals include a pattern of spatially-separated radar pulses, each from a different one of the spatially-separated antenna elements, the pattern of pulses having: at least two neighboring radar pulses that have a spatial separation that is substantially unequal to the spatial separation between at least two other neighboring radar pulses in the pattern of pulses; a mainlobe radiation pattern with a width that is near or substantially equal to the minimum possible mainlobe width; and sidelobe radiation patterns with substantially even energy distribution.