Invention Grant
US5381442A Coherent Fourier transform radiometer for determining the thickness distribution of an oil film on a body of water based on the brightness temperature of the oil film and water over a range of radiation frequencies 失效
相干傅里叶变换辐射计,用于根据油膜和水在一定范围的辐射频率上的亮度温度来确定水体上油膜的厚度分布

Coherent Fourier transform radiometer for determining the thickness
distribution of an oil film on a body of water based on the brightness
temperature of the oil film and water over a range of radiation
frequencies
Abstract:
A radiometer is described which coherently detects the thickness of oil films on water by converting continuous-frequency microwave or millimeter-wave brightness temperature versus frequency measurements from the frequency/wavenumber domain to the oil-film-thickness domain (received power versus film thickness) using Fourier-transform signal processing.
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