Abstract: An apparatus for feeding an antenna array may include a first layer including one or more antennas; a second layer adapted to convey an electromagnetic wave; and an aperture in a wall of the second layer enabling the electromagnetic wave to reach the first layer.

Abstract: A method and system for segmenting free space area, in real-time, based on data from an electromagnetic device may include: an image acquisition device adapted to capture an image of a scene; an electromagnetic device adapted to produce data corresponding to the scene; a non-transitory memory device, wherein modules of instruction code may be stored; and a processor, associated with the memory device, and configured to execute the modules of instruction code. Upon execution of said modules of instruction code, the processor may be configured to train a module to perceive elements in a scene.

Abstract: An apparatus comprising a first antenna array and a second antenna array, each antenna array comprising a set of antennas, wherein for both antenna arrays, the positions of each two adjacent antennas are different in relation to a first axis and in relation to a second axis, perpendicular to the first axis.

Abstract: Embodiments of the invention may provide a phase locked loop (PLL) for a long-range and short-range frequency-modulated carrier-frequency (FMCW) RADAR system, including: a single feedback loop for generating a control signal based on differences between an output signal of the RADAR and a reference signal; a first voltage-controlled oscillator (VCO) adapted to generate a first output signal having a first loop bandwidth using the control signal; a second VCO adapted to generate a second output signal having a second loop bandwidth using the control signal; and an output switch for selecting one of the first output signal and the second output signal and outputting the selected signal as the output signal of the RADAR.

Abstract: A system and method for improving a resolution of a system may include providing to the ML module a set of input electromagnetic signals from an array included in a system; and improving, by the ML module, the resolution of the system by generating and providing at least one additional electromagnetic signal, based on the received set.

Abstract: An antenna with multiple feeds of single polarization comprises an array of multiple antenna elements. An antenna assembly comprises a radiation unit, multiple RF feeding locations and a waveguiding structure configured to control the amplitude and phase of feeding signals that are directed to the feeding locations for achieving defined radiation beam shape and radiation bandwidth. The waveguiding structure is adapted to provide the RF signals to the multiple feeding locations in one of a single polarization and a linear polarization.

Abstract: A waveguide junction comprising a dual-ridged base waveguide, a single-ridged first arm waveguide, connected to the base waveguide and a single-ridged, second arm waveguide, connected to the base waveguide and to the first arm waveguide.

Abstract: A method and system for segmenting free space area, in real-time, based on data from an electromagnetic device may include: an image acquisition device adapted to capture an image of a scene; an electromagnetic device adapted to produce data corresponding to the scene; a non-transitory memory device, wherein modules of instruction code may be stored; and a processor, associated with the memory device, and configured to execute the modules of instruction code. Upon execution of said modules of instruction code, the processor may be configured to train a module to perceive elements in a scene.

Abstract: An apparatus comprising a first antenna array and a second antenna array, each antenna array comprising a set of antennas, wherein for both antenna arrays, the positions of each two adjacent antennas are different in relation to a first axis and in relation to a second axis, perpendicular to the first axis.

Abstract: A radome shell for shielding a radio-frequency (RF) antenna, the radome shell comprising one or more layers of dielectric material. At least one layer comprises a plurality of repetitive gaps, and at least one of width, length and depth of the repetitive gaps is of an order of magnitude of a working frequency wavelength of the RF antenna or one order of magnitude smaller than the working frequency wavelength of the RF antenna.

Abstract: A system and a method for training a machine learning (ML) model to enhance a performance of an electromagnetic (EM) sensor, the method including: receiving one or more first data elements pertaining to a first signal of an EM sensor having a first performance parameter value; receiving one or more second data elements pertaining to a second signal of a data generator having a second performance parameter value; and training the ML model to generate a third signal, using the one or more first data elements as a training data set and using the one or more second data elements as supervisory data, where the third signal is characterized by a third performance parameter value that is higher than the first performance parameter value.

Abstract: A radome shell for shielding a radio-frequency (RF) antenna, the radome shell comprising one or more layers of dielectric material. At least one layer comprises a plurality of repetitive gaps, and at least one of width, length and depth of the repetitive gaps is of an order of magnitude of a working frequency wavelength of the RF antenna or one order of magnitude smaller than the working frequency wavelength of the RF antenna.

Abstract: An apparatus for feeding an antenna array may include a first layer including one or more antennas; a second layer adapted to convey an electromagnetic wave; and an aperture in a wall of the second layer enabling the electromagnetic wave to reach the first layer.