Experimental Wideband Multi-Channel Cancellation Performance

For future radars with a wideband capability, effective electronic protection algorithms are required to perform target detection and discrimination. The Radar Division of Naval Research Laboratory has developed a flexible, adaptive wideband (400 MHz) multi-channel digital receiver/canceller test be...

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Bibliographische Detailangaben
Hauptverfasser:	Lin, Feng-ling C, Hansen, James P, McConnell, John, Gerlach, Karl
Format:	Report
Sprache:	eng
Schlagworte:	Active & Passive Radar Detection & Equipment ALGORITHMS ALIASING ANALOG TO DIGITAL CONVERTERS BPC(BAND PARTITIONING CANCELLER) BROADBAND CANCELLATION CANCELLERS CHANNELS CONFIGURATIONS CR(CANCELLATION RATIO) Electromagnetic Pulses ELECTRONICS EP(ELECTRONIC PROTECTION) FAST FOURIER TRANSFORMS FIELD PROGRAMMABLE GATE ARRAYS FIFO(FIRST IN FIRST OUT) FPGA(FIELD PROGRAMMABLE GATE ARRAYS) MHZ(MEGAHERTZ) MULTICHANNEL NAVAL RESEARCH LABORATORIES PERFORMANCE TESTS PROTECTION RADAR RADAR INTERFERENCE Radiofrequency Wave Propagation RECEIVER/CANCELLERS RECEIVERS REPRINTS SYMPOSIA TARGET DETECTION TFC(TRANSVERSAL FILTER CANCELLER) Unconventional Warfare
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Beschreibung
Zusammenfassung:	For future radars with a wideband capability, effective electronic protection algorithms are required to perform target detection and discrimination. The Radar Division of Naval Research Laboratory has developed a flexible, adaptive wideband (400 MHz) multi-channel digital receiver/canceller test bed to investigate a radar's capability to reject interference. The effects of varied inter-channel hardware mismatches and intra-channel analog-to-digital aliasing on wideband cancellation performance are investigated. It is found that 23 dB of self-cancellation can be achieved with a proper combination of receiver implementation and cancellation configuration. See also ADM002017. Presented at the IEEE International Radar Conference (2005) held in Arlington, Virginia on 9-12 May 2005. Published in the Proceedings of the IEEE International Radar Conference (2005), May 2005. ISSN 7803-8882. The original document contains color images.