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: An identification method which comprises providing at least one database storing, for each of a plurality of users, user data comprising biometric data representative of biometric features of the user, user identification data comprising at least one or more usernames and passwords, each username and password being associated with a website, the method comprising, by at least one processing unit, obtaining biometric data representative of biometric features of a candidate user attempting to be identified by a given website, searching, in the database, biometric data matching the biometric data of the candidate user according to a matching criterion, and sending to the given web site at least a password stored for the candidate user in the database and associated with the given website, wherein the password is encrypted using an encryption mechanism which allows decryption of the password only by the given website.

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.

Abstract: The presently disclosed subject matter includes a computerized method and a control system mountable on a vehicle for autonomously controlling the vehicle and enabling to execute a point-turn while avoiding collision with nearby obstacles. More specifically, the proposed technique enables an autonomous vehicle, characterized by an asymmetric contour, to execute a collision free point-turn, in an area crowded with obstacles. The disclosed method enables execution of a point turn quickly, without requiring the vehicle to stop.

Abstract: A method of estimating the location of a signal source comprises, by a processing unit: determining ???m,n which represents a difference between accumulated phases of signals, Sm and Sn, received by at least one pair of the receivers, determining a first estimate of the location of said signal source based on position data and ???m,n of said at least one pair of receivers, said first estimate being associated with an accuracy area, determining data representative of difference in times of arrival of modulation patterns of the signals Sm, Sn, wherein said data comprise an ambiguity, and for said at least one pair of receivers, using at least said data representative of difference in times of arrival of the modulation patterns of the signals, ???m,n, and said accuracy area, to obtain second estimates êSrck of the source location, at least some of them being located within the accuracy area.

Abstract: A calibration utilizes reference data indicative of a position of a target element relative to a reference location, of a position of a reference point on a rotatable support relative to the reference location, orientation data indicative of at least one angular position of the rotatable support, and antenna measurement data indicative of electromagnetic echo signals received by a radar antenna from the target element. A measured position of the target element relative to the radar antenna is determined based on at least a portion of the antenna measurement data. A reference position of the target element relative to the radar antenna is determined based on the reference data and on at least a portion of the orientation data. At least one bias value or function associated with the orientation data and/or the antenna measurement data is determined based on a deviation between the determined measured position and reference position.

Abstract: A fusion system and method for constructing fused tracks for a plurality of targets from radar detections are described. The fusion system includes a plurality of Ground Moving Target Indicator (GMTI) radars for detecting targets in an area of interest and providing GMTI plots in the form of location vectors including location data of the targets in polar coordinates. The fusion system also includes a plurality of conversion units for converting coordinates of the GMTI plots from polar coordinates to Cartesian coordinates to provide converted plots. The fusion system also includes a plurality of GMTI trackers creating preliminary GMTI tracks of the targets from the converted plots. The fusion system also includes a fused plots generator for constructing fused plots by using the converted plots and the preliminary GMTI tracks. The fusion system also includes a fused track generator for generating fused tracks for the targets from the fused plots.

Abstract: A method of communicating information from a sensor concerning a received signal, comprising: responsive to receiving by at least one detecting sensor, during a defined time interval, data indicative of an entire data of a frequency band received by it during the defined time interval, comprising at least one signal emitted at least one emitter, and to detecting of the emitted signal by the at least one detecting sensor, sending from the sensor assistance information corresponding to the detected emitted signal during the defined time interval, to at least one non-detecting sensor. This information can be utilized by the non-detecting sensor to perform an action with respect to data indicative of an entire data of the frequency band received by the non-detecting sensor during a corresponding defined time interval, the action corresponding to at least one emitted signal received by the non-detecting sensor during the corresponding defined time interval.

Abstract: There is provided a processor-based method of identifying an airborne object, the method comprising: obtaining a series of target Radar Cross Section (RCS) measurements of an airborne object, with associated aspect angles of the airborne object relative to a measuring radar; calculating at least one estimation of a candidate aircraft RCS time series in accordance with the series of target aspect angles, a candidate aircraft type, and at least one candidate aircraft body orientation; and determining an identification of the airborne object with an aircraft type, in accordance with the estimations of a candidate aircraft RCS time series, and the series of target RCS measurements.

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 disclosed subject matter includes a method and system for navigating an unmanned ground vehicle (UGV), that include: generating, based on the scanning output data, a first map comprising a first group of cells and characterized by a first size; generating, based on the scanning output data, a second map representing an area smaller than that of the first map comprising a second group of cells, which are characterized by a second size being smaller than the first size; wherein each cell in the first group of cells and the second group of cells is classified to a class selected from at least two classes, comprising traversable and non-traversable, wherein the second part at least partly overlaps the first part; navigating the UGV based on data deduced from crossing between cells in the first map and second map.

Abstract: The presently disclosed subject matter includes a failure detection sub-system operatively connectable to an autonomous vehicle that comprises an autonomous control sub-system that is configured to process real-time sensory data and generate commands for controlling the autonomous vehicle; the failure detection sub-system is configured to determine, based on real-time behavioral-data and real-time mapping data, whether a violation of the at least one safety rule is occurring; and generate one or more vehicle control commands for controlling at least one driving sub-system in case a violation of the safety rules is detected, wherein processing done by failure detection sub-system is less computationally intensive as compared to processing done by the autonomous control sub-system in the vehicle.

Abstract: An array antenna configured to be placed at a determined position above the ground surface. The array antenna is assembled by a plurality of unmanned aerial vehicles (UAVs), each UAV carrying one or more antenna elements of the array antenna. The plurality of UAVs configured to create a defined formation at the determined position above the ground and thereby align the one or more antenna elements carried by the UAVs to form the array antenna. The array antenna configured to receive electromagnetic signals reflected from a region of interest, or from one or more objects, within its line of sight.

Abstract: A method of communicating information from a sensor concerning a received signal, comprising: responsive to receiving by at least one detecting sensor, during a defined time interval, data indicative of an entire data of a frequency band received by it during the defined time interval, comprising at least one signal emitted at least one emitter, and to detecting of the emitted signal by the at least one detecting sensor, sending from the sensor assistance information corresponding to the detected emitted signal during the defined time interval, to at least one non-detecting sensor. This information can be utilized by the non-detecting sensor to perform an action with respect to data indicative of an entire data of the frequency band received by the non-detecting sensor during a corresponding defined time interval, the action corresponding to at least one emitted signal received by the non-detecting sensor during the corresponding defined time interval.

Abstract: A computer-implemented method for controlling an excavation task by an autonomous excavation vehicle comprising a scanning device, the excavation task being described by a target map, the method comprising using an excavation vehicle control system for: a) according to data from the scanning device, maintaining a map representing current terrain; b) moving a sensor-equipped digging implement for executing an excavation operation; c) receiving data indicative of current terrain topography from the sensor; d) updating the maintained map according to the data indicative of current terrain topography; and e) calculating an excavation operation according to the difference between the maintained map and the target map.