Automatic range adjustable weather radar system

Details Automatic range adjustable weather radar system Automatic range adjustable weather radar system

1990-09-27

1991-09-10

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Radar for meteorological use

G01S 734

Patent

active

050477757

ABSTRACT:
The range of a weather radar systems (60) is automatically extended by incrementally increasing the pulse width (17) from transmitter (12) in response to detecion of excessive path attenuation determined by a comparator (32) comparing the level of actual attenuated return pulses (19) from a range correction accumulator (34) with a path attenuation compensation level selected by a computer (26). The bandwidth of the receiver (14), the value in an initial sensitivity time control value circuit (54), the value in a path attenuation compensation correction value circuit (62) and the path attenuation correction alert threshold are also selectively varied automatically in accordance with the incremental changes in the width of transmitted pulses (17).

REFERENCES:
patent: 4370652 (1983-01-01), Lucchi
patent: 4529983 (1985-07-01), Lyall

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