A 10 cm Dual Frequency Doppler Weather Radar. Part I. The Radar System.
AIR FORCE GEOPHYSICS LAB HANSCOM AFB MA
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Design concepts and test results are summarized for a Doppler weather radar system suitable for precipitation measurements over a wide span of radial velocities and slant ranges, even in the presence of ground clutter. The radar transmits two uniform pulse trains at 2.710 and 2.760 GHz. Uniformly spaced pulses permit ground clutter cancellation of up to 50 dB to be achieved with a three-pole elliptic filter. Pulse spacing at one frequency is consistent with long-range coverage in reflectivity, while spacing of the second is consistent with a wide unambiguous velocity measurement span.
- Active and Passive Radar Detection and Equipment