Miniaturization and ruggedization is paramount in the application of optical signal processing systems to modern electronic combat (EC) applications. This paper describes two state-of-the- art fabrication methods used for miniaturizing acousto-optic processing modules.
A need for very high probability of detection in modern passive Electronic Combat systems has stimulated development of receivers with ever-wider bandwidths. As receiver bandwidths increase, some portions of the RF spectrum will begin to have a probability of signal overlap approaching unity. Wideband receivers, when operating in these environments with increasing signal densities and new modern modulation techniques, must incorporate computationally intensive algorithms within the receiver architecture to ensure reliable performance. Acousto-optic processing subsystems offer a real- time solution to several of the computationally intensive signal processing functions required in wideband EW systems. The status of the Electronic Warfare Channelize, an acousto-optic subsystems that is being developed by DARPA with the Naval Research Laboratory for the military will be discussed in this paper.
A need for very high probability of detection in modern passive Electronic Combat (EC) systems has stimulated development of ever-wider receiver bandwidths. As the receiver bandwidths increase, some portions of the RF spectrum will begin to have a probability of signal overlap approaching unity. Wideband receivers, when operating in these environments with increasing signal threat densities and new modern modulation techniques, must incorporate computationally intensive algorithms within the receiver architecture to ensure reliable performance. Acousto-optic processing subsystems offer a real-time solution to several of the computationally intensive signal processing functions required in wideband EW systems. Two such acousto-optic subsystems that are being developed by DARPA through the Naval Research Laboratory will be discussed in this paper: Channelization and Direction Finding.
A need for very high probability of detection in modern passive collection systems has stimulated development of ever-wider receiver bandwidths. As the receiver bandwidths increase, some portions of the RF spectrum will begin to have a probability of signal overlap approaching unity. Wideband receivers, when operating in these environments with increasing signal threat densities and new modern modulation techniques, must incorporate computationally intensive algorithms within the receiver architecture to ensure reliable performance. Acousto-optic processing subsystems offer a real-time solution to several of the computationally intensive signal processing functions required in wideband passive collection systems. Two such acousto-optic subsystems for channelization and direction finding will be discussed in this paper. The development is being sponsored by DARPA through the Naval Research Laboratory.
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