Radar Update 2004 - Wideband Depth Sounder


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Home>PRISM Update >Overview 2004

Radar Overview 2004 - Wideband Depth Sounder (WCORDS)

Features:

Measures ice thickness up to depth of 4 km
Maps internal layers with a resolution of less than 1 m in ice
Improved sidelobe performance by amplitude and phase correction
Compact PCI form factor

System Overview:

schematic of parts of the radar

System Specifications:

Description	Characteristics	Units
Radar type	Pulse Compression (digital)
Center frequency	125	MHz
Operational bandwidth	150 (band 50-200)	MHz
Transmitted pulse width & PRF	Selectable	_s
Receiver noise figure	3.246	dB
Range sidelobes	>29 (Hanning)	dB
Peak transmit power	50-80 Surface based platform	Watts
Sampling frequency	500	MHz
A/D dynamic range	(>49.761)(10-bits)	dB
Range resolution	< 1 (in ice)	meters

All the modules are placed on two aluminum compact PCI cards and inserted in a compact PCI case (19" X 18" X 24") that provides power and control signals.

PCI Card

PCI Case

Antenna Array behind Tucker

Results From Summit, Greenland (July 2004)


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National Science Foundation University of Kansas	NASA	Kansas Technology Enterprise Corporation	University of Kansas

	Polar Radar for Ice Sheet Measurements