System and methods for detecting and characterizing electromagnetic emissions
AssigneeAurora Insight Inc.
InventorsBenjamin Kempke, Dan Lisogurski, Jennifer Alvarez
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Abstract
A system and method for detecting and identifying emitted electromagnetic signals, comprising wideband radio frequency sensors, at least one wide band radio frequency receiving antenna and accompanying electronics, a platform for hosting multiple antennas and sensor mounts, and processing algorithms for detection and identification of electromagnetic (EM) signals. Various algorithms and implementations are employed to detect and identify, over a wide frequency range, narrow or wide bandwidth EM signals having low signal levels, time-varying, and/or time-intermittent characteristics.
Claims12
A system for detecting and characterizing electromagnetic emissions, comprising:
- a plurality of antennas each configured to receive a radio frequency emission, wherein at least one of the plurality of antennas is capable of receiving radio signals over a wide frequency range;
- a radio sensor configured to filter the received radio frequency emission to at least mitigate aliasing in a frequency band of interest within the received radio frequency emission;
- an analog to digital conversion unit configured to convert the filtered radio frequency emission to a time-domain digital dataset;
- and
- a signal analyzer comprising a processor, a memory, and a plurality of programming instructions stored in the memory and operating on the processor, wherein the plurality of programming instructions, when operating on the processor, cause the processor to:
- transform the time-domain digital dataset into a frequency-domain dataset;
- perform a plurality of measurement-combining operations on at least a portion of the frequency-domain data including at least calculating a parameter per frequency bin and accumulating the calculated parameters per bin;
- and
- generate a signal-usage dataset by at least analyzing the digital dataset for a plurality of signal usage patterns based at least in part by analysis of the accumulated bin parameters.
Dependencies are inferred from the claim text.