A radar system (30, 130) comprising: a dual-mode transmitter; a first synthesizer (60, 160) having: a phase-locked loop, PLL, comprising a fractional N synthesizer; and a direct digital synthesizer, DDS,; a controller (38, 330) configured to generate at least a clock signal and a mode signal, wherein the first synthesizer and the dual-mode transmitter are configured to generate a signal in a first mode or a second mode based on the generated at least one clock signal or mode signal, wherein the first mode is a frequency modulated continuous wave mode, FMCW, or a stretch pulse-compression mode, and wherein the second mode is a linear frequency modulated, LFM, pulse-compression mode or a nonlinear frequency modulated, NLFM, pulse-compression mode; an antenna (36, 138) configured to transmit the generated signal and receive a return signal based on the transmitted signal; a first receiver (44, 144) configured to preprocess FMCW and stretch pulse-compression signals; a second receiver (46, 146) configured to preprocess LFM and NLFM pulse-compression signals; a first switch (42, 142) configured to direct the return signal to either the first receiver in the first mode or the second receiver in the second mode and controlled with the at least one of a clock signal or a mode signal; a processor (48, 148) configured to determine existence of a target included in the preprocessed return signal from the first and second receiver; and an output device configured to output a presentation based on the determination, wherein the PLL further comprises a voltage-controlled oscillator, VCO,, wherein a filtered output of the DDS is mixed with the clock signal to produce a DDS signal, wherein the PLL generates a PLL signal based on the clock signal and the mode signal, and which, after being power and frequency adjusted based on the mode signal, is mixed with the DDS signal, after being filtered and amplified, to create a mixed PLL/DDS signal, and wherein the mixed PLL/DDS signal is mixed with a signal associated with the PLL signal after being power adjusted to produce the signal which is sent to the dual-mode transmitter after being amplified and filtered. a dual-mode transmitter; a first synthesizer (60, 160) having: a phase-locked loop, PLL, comprising a fractional N synthesizer; and a direct digital synthesizer, DDS,; a phase-locked loop, PLL, comprising a fractional N synthesizer; and a direct digital synthesizer, DDS,; a controller (38, 330) configured to generate at least a clock signal and a mode signal, wherein the first synthesizer and the dual-mode transmitter are configured to generate a signal in a first mode or a second mode based on the generated at least one clock signal or mode signal, wherein the first mode is a frequency modulated continuous wave mode, FMCW, or a stretch pulse-compression mode, and wherein the second mode is a linear frequency modulated, LFM, pulse-compression mode or a nonlinear frequency modulated, NLFM, pulse-compression mode; an antenna (36, 138) configured to transmit the generated signal and receive a return signal based on the transmitted signal; a first receiver (44, 144) configured to preprocess FMCW and stretch pulse-compression signals; a second receiver (46, 146) configured to preprocess LFM and NLFM pulse-compression signals; a first switch (42, 142) configured to direct the return signal to either the first receiver in the first mode or the second receiver in the second mode and controlled with the at least one of a clock signal or a mode signal; a processor (48, 148) configured to determine existence of a target included in the preprocessed return signal from the first and second receiver; and an output device configured to output a presentation based on the determination, wherein the PLL further comprises a voltage-controlled oscillator, VCO,, wherein a filtered output of the DDS is mixed with the clock signal to produce a DDS signal, wherein the PLL generates a PLL signal based on the clock signal and the mode signal, and which, after being power and frequency adjusted based on the mode signal, is mixed with the DDS signal, after being filtered and amplified, to create a mixed PLL/DDS signal, and wherein the mixed PLL/DDS signal is mixed with a signal associated with the PLL signal after being power adjusted to produce the signal which is sent to the dual-mode transmitter after being amplified and filtered.