172293 ⎘
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves; Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics derived from different combinations of signals from separate antennas, e.g. comparing sum with difference the separate antennas having differently-oriented directivity characteristics
ELECTROMAGNETIC PULSE (EMP) DETECTOR AND SYSTEM
#2Interferometric direction-finding antenna array with multiplexed/switched radiating elements
#3Asset location using direction finding features
#4METHOD AND DEVICE FOR ESTIMATING AN ANGLE OF DEPARTURE
#5Asset location using direction finding features
#6METHOD FOR DETERMINING A RECEPTION DIRECTION OF A RADIO SIGNAL
#7Multipolarized vector sensor array antenna system for search and rescue applications
#8Method for direction finding and direction finding antenna unit
#9Receiver circuit
#10Methods and apparatus for determining angle of arrival (AOA) in a radar warning receiver
#11Apparatus and method for determining the elevation angle in a radar system
#12Optimized monotonic radiation pattern fit with ambiguity resolution
#13LOCATING DEVICE FOR LOCATING AN OBJECT, AND A SYSTEM OF A LOCATING DEVICE AND AN OBJECT
#14Handheld GPS jammer locator
#15Miniaturized wireless inertial sensing system
#16Asset location using direction finding features