Doppler radars are employed for the detection of moving targets whose radar echo area is much smaller than the ground clutter return. Moving targets are separated from clutter on a frequency basis by utilizing the Doppler phenomenon. Continuous-wave Doppler radars have a practical maximum-range capability because the leak-through between the transmitter and receiver causes receiver saturation. This limitation is overcome in pulse-Doppler radar by time-sharing the transmitting and receiving cycles. This paper discusses a typical pulse-Doppler radar and the basic design considerations for the selection of the pulse-recurrence fre-frequency, elimination of clutter, range determination, and oscillator stability requirements.
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Goetz et al. (1961) studied this question.
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