172278 ⎘
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; Details Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna
SYSTEMS AND METHODS FOR AUTOMATIC DIRECTION FINDING
#2ELECTROMAGNETIC PULSE (EMP) DETECTOR AND SYSTEM
#3Angle of arrival of personal area network devices using a switched beam antenna
#4METHOD AND APPARATUS FOR DETERMINATION OF DIRECTION OF ARRIVAL ANGLE
#5DIRECTION FINDING ANTENNA
#6System and method for peripheral device location using multiple high accuracy distance measurements with integrated system antennas
#7System and methods for improving secure phase-based positioning accuracy
#8Systems and methods for multiantenna orientation and direction detection
#9Retrospective interferometry direction finding
#10Unmanned aerial vehicle as well as direction finding system
#11Optimization For Angle Of Arrival And Angle Of Departure Detection
#12Object orientation system, object orientation method and electronic apparatus
#13Systems and methods for estimating angle of arrival in a wireless device
#14High accuracy angle of arrival estimation using estimated range to target node
#15METHOD FOR DETERMINING A RECEPTION DIRECTION OF A RADIO SIGNAL
#16Systems and methods for multiantenna orientation and direction detection
#17Antenna control method, apparatus and computer storage medium
#18Systems and methods for estimating angle of arrival in a wireless device
#19METHOD AND DEVICE FOR DETERMINING THE DISTANCE BETWEEN VEHICLES IN INTERNET OF VEHICLES
#20Identification method and identification system for an object's passing route direction
#21Collision avoidance system and method for an underground mine environment
#22Apparatus and method for determining the location of a mobile device using multiple wireless access points
#23Method, system, and intelligent terminal for one-bit quantization direction of arrival estimation