Communications: directive radio wave systems and devices (e.g. – Testing or calibrating of radar system – By monitoring
Patent
1995-11-17
1996-07-23
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Testing or calibrating of radar system
By monitoring
342 54, G01S 741
Patent
active
055394116
ABSTRACT:
A multistatic radar signature measurement apparatus comprising a curvilin sensor array of photonic sensors which are used to measure the radar cross section of a target. The array of photonic sensors provide for the simultaneous collection of target scattered measurement data over an approximately semi-spherical field of view. Laser light passing through each photonic sensor of the sensor array is modulated by the photonic sensor in direct proportion to the strength/intensity of scattered waves from the target as the scattered waves pass through each photonic sensor of the sensor array. The modulated light from each sensor of the sensor array is then transmitted to an optical switching network which samples the optical signals from the array. The sampled optical signals are next provided to an RF receiver which converts the sampled optical signals to equivalent RF electrical signals. An analog to digital converter then samples and digitizes the RF signals from the RF receiver providing at its output a serial data stream which is supplied to a digital computer. The digital computer processes the serial data stream from the analog to digital converter calculating the radar cross section for the target.
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patent: 5231403 (1993-07-01), Pierce
Hilliard Donald P.
Yu Wai-Mao
Kalmbaugh David S.
Sliwka Melvin J.
Sotomayor John B.
The United States of America as represented by the Secretary of
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