A system for direction of arrival determination includes a waveform detector and processing circuitry. The waveform detector includes a first pair of dielectric structures and a second pair of dielectric structures. The processing circuitry is configured to determine a direction of arrival of an electromagnetic wave incident on the waveform detector. The direction of arrival is determined based on relative power levels in the first pair of dielectric structures responsive to the electromagnetic wave and based on relative power levels in the second pair of dielectric structures responsive to the electromagnetic wave.

Disclosed is a method, including, but not limited to, receiving at least one panoramic video including a panoramic space having at least one object; receiving an environmental map, wherein the environmental map comprises an association of the at least one real object to at least one virtual object; augmenting, using the environmental map, the panoramic video, wherein the augmenting includes: rendering a plurality of real objects contained within the panoramic space; and embedding metadata associated with the virtual object into the panoramic video. Other aspects are described and claimed.

Disclosed is a method, including, but not limited to, receiving at least one panoramic video including a panoramic space having at least one object; receiving an environmental map, wherein the environmental map comprises an association of the at least one real object to at least one virtual object; augmenting, using the environmental map, the panoramic video, wherein the augmenting includes: rendering a plurality of real objects contained within the panoramic space; and embedding metadata associated with the virtual object into the panoramic video. Other aspects are described and claimed.

A slot array antenna includes: a first electrically conductive member having a first electrically conductive surface; a second electrically conductive member having a second electrically conductive surface opposed to the first electrically conductive surface; a waveguide member located between the first and second electrically conductive members; and an artificial magnetic conductor extending on both sides of the waveguide member in between the first and second electrically conductive members. The first or second electrically conductive member has a plurality of slots. The waveguide member includes an electrically-conductive waveguide face of a stripe shape opposed to the first electrically conductive surface. The plurality of slots include at least two slots that couple to the waveguide face. In between two positions respectively coupled to the two slots, the waveguide face includes at least one deflecting portion at which the direction that the waveguide face extends changes.

A method for manufacturing a radio-direction-finding antenna array in two dimensions includes a step of designing the antenna array with the help of predetermined constraints, the designing step comprising: a step of defining a reference antenna network, a step of searching for configurations to be taken into consideration of each of the antennas forming a direction-finding antenna array, a step of quantifying the maximum level of ambiguities of each of the possible configurations with the help of a correlation function so as to associate an evaluation quantity with each of the configurations considered, a step of searching for and selecting the configuration exhibiting the lowest evaluation quantity.

Methods and apparatus to visualize locations of radio frequency identification (RFID) tagged items are described. One example method includes receiving a request from a portable electronic device to access product information associated with an individual radio frequency identification (RFID) tagged item, determining a location of the product information in a database, transmitting the located product information to the portable electronic device for display thereon, receiving modified product information associated with the individual RFID tagged item from the portable electronic device, and storing the modified product information to the location of the product information in the database.

Systems and methods for automated unmanned aerial vehicle recognition. A multiplicity of receivers captures RF data and transmits the RF data to at least one node device. The at least one node device comprises a signal processing engine, a detection engine, a classification engine, and a direction finding engine. The at least one node device is configured with an artificial intelligence algorithm. The detection engine and classification engine are trained to detect and classify signals from unmanned vehicles and their controllers based on processed data from the signal processing engine. The direction finding engine is operable to provide lines of bearing for detected unmanned vehicles.

The present disclosure provides a dual mode antenna, comprising: a first conductive piece; and a second conductive piece, configured to electromagnetically couple with the first conductive piece through a dielectric at a second frequency to operate as a loop antenna with the first conductive piece and configured to operate independently of the first conductive piece at a first frequency to operate as a monopole antenna. The dual mode antenna can be included in an antenna array as one of a plurality of dual mode antennas coupled to a routing substrate or a reference dual mode antenna coupled to the routing substrate along with a plurality of single mode antennas coupled to the routing substrate; wherein each antenna of the plurality of dual mode antennas, the reference dual mode antenna, and the plurality of single mode antennas is arranged evenly relative to a first neighboring antenna and a second neighboring antenna.

A 3D point cloud is formed of the grippers of a load handling device in relation to a device which is moved horizontally above a load in the load handling device and to which the grippers are connected to be moved in the vertical direction. The grippers are positioned in relation to the horizontally movable device by comparing the formed 3D point cloud with at least one 3D model of the grippers.

A process of screening direction finding solutions to reduce the number of valid direction finding solution rejections while maintaining an acceptable level of wild bearings being reported utilizing the proximity of the correlation values of the highest correlation and second highest correlation given a correlation pattern of a detected signal of unknown origin.