The Frequency Dependence of Backscatter from Rough Surfaces

The report describes use of a broad-spectrum acoustic simulation system to predict the behavior of broad-spectrum radar systems. Analysis of the rough-surface backscatter data verifies the predicted dependence of the frequency response of backscatter on the statistics of the illuminated surface. The...

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Bibliographic Details
Main Author: Rouse, Jr, John W
Format: Report
Language:English
Subjects:
ACOUSTIC SIGNALS
Active & Passive Radar Detection & Equipment
AERIAL RECONNAISSANCE
BACKSCATTERING
BROADBAND
Cartography and Aerial Photography
DATA PROCESSING
INSTRUMENTATION
MAPPING
NATURAL RESOURCES
RADAR IMAGES
RADAR REFLECTIONS
REMOTE SENSING
SIMULATION
STATISTICAL ANALYSIS
SURFACE ROUGHNESS
TERRAIN
THEMIS PROJECT
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Summary:The report describes use of a broad-spectrum acoustic simulation system to predict the behavior of broad-spectrum radar systems. Analysis of the rough-surface backscatter data verifies the predicted dependence of the frequency response of backscatter on the statistics of the illuminated surface. The measurement of the backscatter from object targets confirms the ability of broad-spectrum illumination to smooth the complex reradiation patterns characteristic of object targets. These data are collected in image form (B- scan), and this system capability offers considerable promise for further investigation of imaging radar applications of the broad-spectrum technique.