1 May 2017 Linearizing an intermodulation radar transmitter by filtering switched tones
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Abstract
For nonlinear radar, the transmit power required to measure a detectable response from a target is relatively high, and generating that high power is achieved at the cost of linearity. This paper applies the distortion mitigation technique Linearization by Time-Multiplexed Spectrum (LITMUS) to intermodulation radar, a type of nonlinear radar which receives spectral content produced by the mixing of multiple frequencies at a nonlinear target. By implementing LITMUS, an experimental detection system for an intermodulation radar achieves a signal-to-noise ratio up to 20 dB for a total transmit power of approximately 80 mW and nonlinear targets placed at a standoff distance of 2 meters.
Conference Presentation
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Gregory J. Mazzaro, Gregory J. Mazzaro, Andrew J. Sherbondy, Andrew J. Sherbondy, Kenneth I. Ranney, Kenneth I. Ranney, Kelly D. Sherbondy, Kelly D. Sherbondy, Anthony F. Martone, Anthony F. Martone, } "Linearizing an intermodulation radar transmitter by filtering switched tones", Proc. SPIE 10188, Radar Sensor Technology XXI, 101881A (1 May 2017); doi: 10.1117/12.2255047; https://doi.org/10.1117/12.2255047
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