A radar assembly includes a hollow drum and an antenna holding structure located inside the hollow drum so that the hollow drum can rotate around the antenna holding structure. An antenna is connected to the antenna holding structure and located inside the hollow drum so that the hollow drum can rotate around the antenna. The antenna holding structure is connected to a base frame and to which the hollow drum is connected via at least one axle so that the hollow drum can rotate around the antenna holding structure while the antenna holding structure and antenna remain stationary. A handle is connected to the base frame so that a user can direct the antenna towards a surface of interest which is to be radiated and can then roll the hollow drum over the surface while maintaining the antenna in a user selected orientation.

The methods and device disclosed herein provide an array such as a Radio Frequency (FR) antenna array for measuring the array movement or displacement of the array relative to a reference location. In some cases the array may be attached to or in communication with the device. The array comprises at least two transducers (e.g. RF antennas), wherein at least one of the at least two transducers is configured to transmit a signal towards the object, and at least one transceiver attached to said at least two transducers, the at least one transceiver is configured to repetitively transmit at least one signal toward an object and receive a plurality of signals affected or reflected while the array is moved in proximity to the object/medium or scene; and at least one processor unit, configured to: process the affected signals to yield a plurality of signal measurements and compare said signal measurements obtained at different locations over time of said second object and calculate a movement of the object relative to a reference location.

Route planning is provided to a vehicle (or vehicle driver) based at least in part on the type of vehicle and the terrain conditions between the originating location and destination. The vehicle may employ a terrain monitoring system including a surface-penetrating radar (SPR) system for obtaining SPR signals as the vehicle travels along a route; the obtained SPR signals may be used for navigation against reference images associated with the route. In some embodiments, a navigation server bases route selection in part on the terrain associated with various routes and characteristics of the vehicle.

There is provided with a radar unit that includes transmission/reception antennas, a holding unit that holds the transmission/reception antennas such that the transmission/reception antennas face the ground, a large spherical wheel that has an inside wall on which one end of the holding unit is fixed, three or more small spherical wheels that hold an upper half portion of the large spherical wheel such that the large spherical wheel is rollable, a movement amount sensor that detects a movement amount generated by rolling of the large spherical wheel, and a control unit that is connected to the radar unit and the movement amount sensor.

A method for forming 3D image data representative of the subsurface of infrastructure located in the vicinity of a moving vehicle. The method includes: rotating a directional antenna, mounted to the moving vehicle, about an antenna rotation axis; performing, using the directional antenna whilst it is rotated about the antenna rotation axis, a plurality of collection cycles in which the directional antenna emits RF energy and receives reflected RF energy; collecting, during each of the plurality of collection cycles performed by the directional antenna.

An aerial vehicle system for mapping an object buried in a subterranean surface, the aerial vehicle system including an aerial vehicle, an electronic sensor, a processor, and a memory. The memory includes instructions, which when executed by the processor, cause the system to receive a first input data set by the electronic sensor, the first input data set based on an electromagnetic signal and geographic location data, generate a raw image based on the first input data set, and compare the raw image to a calibration data set, the calibration data set based on material calibration data. The material calibration data is based on unique spectral reflection patterns of an object in a controlled environment at predefined heights and subterranean conditions.

An electric vehicle having an electrical storage battery includes an inductive charge receiver configured to inductively couple to a series of charging coils embedded in a roadway over which the vehicle travels in order to transfer charge to the storage battery. A ground penetrating radar transceiver is configured to interrogate the roadway including a region of the roadway toward which the vehicle is heading. The ground penetrating radar transceiver generates reflectance data including reflections from the charging coils and from embedded cabling coupling the charging coils. An object analyzer is responsive to the reflectance data and configured to map the series of charging coils relative to the vehicle. A path controller is configured to determine a steering operation of the vehicle along the roadway for optimizing a charge transfer from the series of charging coils to the inductive charge receiver.

An electromagnetic wave field data processing method is provided and includes determining loss-free electromagnetic wave field data corresponding to electromagnetic wave field data according to the electromagnetic wave field data; performing first amplitude compensation on the electromagnetic wave field data and the loss-free electromagnetic wave field data; extracting waveform information; determining a first sequence corresponding to the electromagnetic wave field data and a second sequence corresponding to the loss-free electromagnetic wave field data which meet a preset condition respectively from the waveform information, determining time sequences corresponding to the first sequence and the second sequence; and determining an attenuation coefficient of the electromagnetic wave field data according to a first preset mode and performing second amplitude compensation on the electromagnetic wave field data according to the attenuation coefficient.

Surface penetrating radar interrogates a region adjacent a pathway of the vehicle in response to activation by a user. An object detection system which is responsive to the radar transceiver is configured to recognize one or more spatial signatures of one or more detected objects in the region. A controller coupled to the radar transceiver and the object detection system is configured to (i) compare a respective spatial signature of at least one of the detected objects to a plurality of predetermined target signatures to detect an infrastructure asset, (ii) assess a perimeter around the detected infrastructure asset to estimate a severity of an obstruction blocking the infrastructure asset, and (iii) convey an alert message to the user when the estimated severity is greater than a threshold.

An electromagnetic wave field data processing method is provided and includes determining loss-free electromagnetic wave field data corresponding to electromagnetic wave field data according to the electromagnetic wave field data; performing first amplitude compensation on the electromagnetic wave field data and the loss-free electromagnetic wave field data; extracting waveform information; determining a first sequence corresponding to the electromagnetic wave field data and a second sequence corresponding to the loss-free electromagnetic wave field data which meet a preset condition respectively from the waveform information, determining time sequences corresponding to the first sequence and the second sequence; and determining an attenuation coefficient of the electromagnetic wave field data according to a first preset mode and performing second amplitude compensation on the electromagnetic wave field data according to the attenuation coefficient.