Abstract: An end-fire tapered slot antenna is described. The antenna includes a conductive ground plane having a pass-through opening recessed therein, and a dual tapered slot element (DTSE) passing through the pass-through opening. The DTSE includes a substrate, a radiating portion including a first and second pairs of radiating wings symmetrically arranged on the opposite sides of the substrate, and a base portion electrically coupled to the radiating portion and including first and second pairs of the legs passing through the pass-through opening of the conductive ground plane. The legs inner edges define a slot line on each side of the substrate having a tapered shape with increasing a distance between the inner edges. Vias elements are arranged along an entire perimeter of the radiating wings electrically connecting the radiating wings and the legs arranged on the opposite sides of the substrate.

Abstract: An optical magnetometer system and method for operation thereof are described. The optical magnetometer system comprises: at least one light source emitting one or more illumination beams and scanning frequency of illumination beams over a selected range; at least one vapor cell having alkali atoms positioned within path of the illumination beam; a detection unit position to collect beam passing though the vapor cell; at least one thermal unit positioned to vary temperature of the vapor cell; and a controller configured and operable for obtaining detection data from the detection unit and for operating said at least one thermal unit in a feedback loop, and wherein said feedback loop being directed at maintaining a relation between optical intensity measured at one of more measurement points associated with selected frequencies and detuning level at the one or more measurement points from Larmor frequency of the optical magnetometer system.

Abstract: There are provided systems and methods comprising, for a power supply which has an output electrically coupled to at least one pulsed load, generating a signal VOV informative of a voltage VOUT at the output of the power supply, generating a signal VIload informative of a current Iload required by the at least one pulsed load, wherein, for at least one given period of time, the current Iload comprises a series of pulses, generating a signal VIin informative of a current Iin at an input of the power supply, feeding the signal VOV, the signal VIload and the signal VIin to a controller of the power supply, and controlling, by the controller, the current Iin such that the signal VIin which is informative thereof, meets a predefined relationship with the signals VOV and VIload.

Abstract: The presently disclosed subject matter includes an active protection system and a method, dedicated for detecting, locating, and incapacitating beam-riding missiles and in that way protecting an asset from being targeted by the missile. According to some examples following receipt of a threat-indication, the active protection system estimates a location of a beam used for directing a threat (e.g., ATGM) to the target and launches an aerial platform that flies in the opposite direction along the beam until it meets and incapacitates the incoming threat.

Abstract: A transmission system and method for transmitting radio frequency (RF) radiation in a predetermined direction at a sequence of K frequencies by an antenna array. The system includes an RF signal generator configured for generating electrical signals having an initial amplitude and an initial phase through transmission channels corresponding to antenna elements of the antenna array at the sequence of K frequencies. The system also includes a modification system, configured for obtaining optimal electrical signals for which a transmission efficiency coefficient of the transmission system is equal to or greater than a predetermined threshold value, and a steering system configured for (i) receiving the optimal electrical signals, (ii) generating steering electrical signals related to the optimal electrical signals and (iii) relaying the steering electrical signals to the antenna array to form a steered beam for transmission in the predetermined direction.

Abstract: A direction finder antenna system and method are described. The direction finder antenna system comprises a rotatable platform comprising at least two antenna units at selected distance between them, a motor configured for moving the rotatable platform at a motion pattern, and a signal collection circuit configured for receiving data on signal portions collected by said at least two antenna units with respect to different angular positions of said at least two antenna units. The signal collection circuit generates output data indicative of direction of origin of collected signal.

Abstract: A system comprises an array of antennas suitable for intercepting electromagnetic waves, one or more sensors, wherein said one or more sensors are configured to provide data informative of a position of each of a plurality of the antennas over time, wherein each of a plurality of the antennas is linked to a non-rigid portion, thereby undergoing displacement upon displacement of the non-rigid portion, wherein data informative of the electromagnetic waves intercepted by the array and data informative of the position of the plurality of antennas over time are usable for determining data informative of at least one of a position and a direction of at least one emitter of the electromagnetic waves.

Abstract: A wireless flight recordation system is disclosed for collecting black-box data of an aerial platform. The wireless flight recordation system includes one or more black-box data collectors for collecting black-box data that is recorded by one or more flight recorders of the aerial platform. The wireless flight recordation system also includes at least one data transmission interface connectable to the black-box data collectors for receiving the black-box data and establishing a wireless communication link with a wireless data communication network which is capable of providing data communication services to the aerial platform during flight. The data transmission interface transmits the black-box data or at least a parts thereof, via the wireless data communication network, to a receiver remote from the aerial platform. In some implementations the black-box data collectors are adapted to interface (e.g.

Abstract: An integrated circuit assembly and a method for fabricating the same are disclosed. The integrated circuit assembly includes: a base structure including an interposer board and a plurality of interfacing dies electrically coupled to said interposer board; a cap structure including an intermediating board and a panel of active elements having a plurality of active elements electrically coupled to the intermediating board. The cap structure is attached to the base structure such that the active elements are electrically coupled to the interfacing dies. Also disclosed are a tile including a backend circuit board configured to attach to the plurality of integrated circuits and provide electrical connectivity thereto the plurality of integrated circuits, and a method of fabricating the same, as well as an array of the plurality of such tile in cascade connection.

Abstract: A system and corresponding method are described, for use in alerting on objects in path of vehicle's propagation. The system comprising RF transmission/reception unit comprising at least one phased array antenna unit, and a control unit. The RF transmission/reception unit is configured for periodically scanning a selected region by transmission of interrogating RF signal and collecting reflected RF signals from the selected region and generate based thereon pattern data indicative of the collected RF signal, and for transmitting the pattern data to the control unit. The control unit is configured and operable for processing the pattern data for determining existence of interfering object in path of propagation of a vehicle carrying the system, and for generating alert data indicative of existence of one or more interfering objects.

Abstract: An antenna system for at least one of Elint and Sigint, configured to detect weak electro-magnetic signals, comprises an antenna and a feed manifold, which comprises a plurality of feeds located on a focal surface of the antenna. The antenna is configured to function as a two-dimensional focusing element, having spherical symmetry. The system is configured such that a planar wave-front associated with a electro-magnetic signal, that is impinging on the antenna, is focused by the antenna to a feed, situated at a distance from the antenna corresponding to a focal distance of the antenna along a propagation vector of the wave-front. The spatial field of view of the antenna system is based on a number of feeds and the spacing between feeds. This produces, for each feed, a respective high-gain beam, with direction along the line connecting the center of the spherical symmetry and the feed.

Abstract: System for ex post facto upgrading of at least one Legacy personal communication device including a legacy modem and lacking at least one desired wireless communication feature, the system comprising an upgraded communication device including an auxiliary modem physically connected via an ex post facto physical connection to a Legacy personal communication device having at least one legacy wireless output channel which has been neutralized or disabled.

Abstract: The present disclosure provides a magnetometer for measuring a magnetic field B in the vicinity thereof. The magnetometer includes a vapor cell comprising atomic vapor; an optical processor for receiving a light beam and directing said light beam, as a probe light beam, to enter the vapor cell with a certain predetermined intensity I1 and a certain predetermined polarization state P1 to serve for interacting with at least one type of Alkali-like atoms in the atomic vapor of the vapor cell, for probing a Larmor frequency of precession thereof; and a detector for detecting the light beam after interaction with the atomic vapor to generate signals/data indicative of said Larmor frequency. The optical processor includes an optical depolarizer and a polarizer arranged respectively successively (e.g., not necessarily consecutively) with respect to a propagation direction of said light beam, along a propagation path of the light beam through the optical processor.

Abstract: A method and system are presented for determining properties of an electromagnetic waveform.

Abstract: A computerized method of performing safety and functional verification of algorithms, for control of autonomous vehicles, comprises: iteratively performing an adjustment, the adjustment comprising at least one of the following: (i) updating the value of parameter(s) indicative of noise and/or delay in simulated sensor(s), associated with a computerized simulation framework corresponding to simulated autonomous vehicle(s) and to operational environment(s), by increasing noise and/or delay; and (ii) updating the value of parameter(s) indicative of noise and/or delay in a response of the simulated autonomous vehicle(s) to command(s), by increasing the noise and/or delay. This is done until obtaining from the computerized simulation framework an increased-severity computerized simulation framework. The increased-severity computerized simulation framework meets a criterion that can be utilized for statistical safety verification and/or statistical functional performance verification of the algorithm(s).

Abstract: A heatsink assembly comprising a substrate having an active circuitry, at least one cavity located adjacent to at least one heat producing element of the active circuitry, at least one vessel sealably coupled to said substrate in fluid communication with the at least one cavity, and a phase change material (PCM) contained inside the vessel. The vessel and at least one cavity configured to facilitate migration of the PCM from the vessel into the at least one cavity for absorbing heat produced by the at least one heat producing element of the active circuitry.

Abstract: A positioning system and method for determination of location data of an object are described. The positioning system includes one or more transmitting units configured to transmit a multi-frequency signal that comprises at least two different signal frequency components. The positioning system also includes a receiver system mounted on the object, and configured to receive the multi-frequency signals from the transmitting units, and to determine phases of each signal frequency component of the multi-frequency signal. The positioning system also includes a processing system configured to receive the phases of each signal frequency component of the multi-frequency signal, and to determine a distance between the transmitting units and the object, and the location data of the object.

Abstract: A floating breakwater structure is described. The structure includes a floating platform disposed at a water surface and a mooring system. The floating platform has one long side for facing a shore and another long side for facing a sea-horizon. The mooring system includes at least one pair of side anchors located on the seabed at one long side of the buoyancy platform, and at least one another pair of side anchors located on the seabed at the other long side of the floating platform. The mooring system also includes at least two pairs of crossing mooring spring-lines linked at one end to the floating platform. Each pair of the crossing mooring spring-lines is linked at one end to the corresponding long side of the of the floating platform and at another end to the corresponding pair of the side anchors.

Abstract: A method including: detecting that an aerial vehicle is located at a reference axis of a sensor, or at a predetermined or calculated angle of the reference axis of the sensor, the method further comprising, by a processor and memory circuitry: obtaining a given position Paerial of the aerial vehicle upon its detection at the reference axis of the sensor, or upon its detection at the predetermined or calculated angle of the reference axis of the sensor, and position Psensor of the sensor, and determining, based at least on Paerial and Psensor, a cardinal direction with respect to the reference axis.

Abstract: A system for localizing cellphones served by commercial network of base-stations and operative in conjunction with at least one catcher including a catcher-controller, and at least one transmitter and at least one receiver, thereby to define an area of coverage for the catcher, the system comprising at least one DF/geolocation module including a DF/geolocation controller and at least one set of receivers operative to receive uplink signal/s transmitted by cellphone/s.