A radar system comprising: a transmission array aligned as a linear array, wherein the transmission array is configured having a frequency-dependent transmission radiation pattern; a reception array aligned as a linear array, wherein the reception array is configured having a frequency-dependent reception radiation pattern; a transmitter configured to cause transmission of radar signals having a center frequency by the transmission array; a receiver configured to receive radar signals having the center frequency that are received by the reception array; wherein the transmission array is coupled to a transmission feed waveguide and wherein the reception array is coupled to a reception feed waveguide, and wherein a direction of propagation of energy from the transmission feed waveguide into the transmission array is approximately the same direction, or the same direction, as a direction of propagation of energy from the reception array into the reception feed waveguide; a processor configured to: process received radar signals from the receiver, and adjust the center frequency from a first center frequency to a second center frequency; and wherein an adjusting of the center frequency from the first center frequency to the second center frequency causes: the frequency-dependent transmission radiation pattern to tilt in a first direction, and the frequency-dependent reception radiation pattern to tilt in an opposite direction from the first direction. a transmission array aligned as a linear array, wherein the transmission array is configured having a frequency-dependent transmission radiation pattern; a reception array aligned as a linear array, wherein the reception array is configured having a frequency-dependent reception radiation pattern; a transmitter configured to cause transmission of radar signals having a center frequency by the transmission array; a receiver configured to receive radar signals having the center frequency that are received by the reception array; wherein the transmission array is coupled to a transmission feed waveguide and wherein the reception array is coupled to a reception feed waveguide, and wherein a direction of propagation of energy from the transmission feed waveguide into the transmission array is approximately the same direction, or the same direction, as a direction of propagation of energy from the reception array into the reception feed waveguide; a processor configured to: process received radar signals from the receiver, and adjust the center frequency from a first center frequency to a second center frequency; and process received radar signals from the receiver, and adjust the center frequency from a first center frequency to a second center frequency; and wherein an adjusting of the center frequency from the first center frequency to the second center frequency causes: the frequency-dependent transmission radiation pattern to tilt in a first direction, and the frequency-dependent reception radiation pattern to tilt in an opposite direction from the first direction. the frequency-dependent transmission radiation pattern to tilt in a first direction, and the frequency-dependent reception radiation pattern to tilt in an opposite direction from the first direction.