Vayyar Imaging Ltd.

Jonathan Rosenfeld

Naftali Chayat

Damian Hoffman

Zivi Nadiri

Yuval Shamuel Lomnitz

Raviv Melamed

Ronen Tur

Shachar Shayovitz

Doron Cohen

A system for generating a three dimension (3D) imaging of an object, the system comprising: an electromagnetic transducer array such as an RF (radio-frequency) antenna array surrounding the object said array comprising: a plurality of electromagnetic transducers; a transmitter unit for applying RF signals to said electromagnetic transducer array; and a receiver unit for receiving a plurality of RF signals affected by said object from said electromagnetic transducers array; a Radio Frequency Signals Measurement Unit (RFSMU) configured to receive and measure said plurality of plurality of affected RF signals and provide RF data of the object; and at least one processing unit, configured to process said RF data to identify the dielectric properties of said object and construct a 3D image of said object.

System and methods for three dimensional modeling of an object using a radio frequency device

Systems, device and methods are provided for measuring parameters of a medium such as the dielectric properties of a medium including a plurality of layers, using an array of sensors. The array includes at least two transducers and at least one transceiver attached to the at least two transducers, the at least one transceiver being configured to transmit at least one signal toward the medium and receive a plurality of signals affected by the medium; a data acquisition unit and at least one processor unit, configured to: process the affected plurality of signals to yield a plurality of transfer functions wherein each of the plurality of transfer functions including the medium response between two transducers of the at least two transducers as function of frequency or time; process the plurality of transfer functions to yield a plurality of statistical measures, and process the statistical measures to calculate the medium parameters.

System, device and methods for measuring substances' dielectric properties using microwave sensors

Systems of multiple transmitters and multiple receivers, allowing receivers to identify the transmitters from which reference signals originate. Identification is according to frequency offset patterns based on transmitter and local oscillator frequencies, and is particularly suitable in radio-frequency integrated-circuit devices and MIMO radar systems.

Reference signal distribution in multi-module systems

Systems, device and methods are provided for calibrating an antenna array comprising a plurality of antennas such as a plurality of transmit and receive antennas by utilizing an arena comprising one or more targets and a medium. The methods may comprise transmitting a plurality of Radio Frequency (RF) signals from at least one RF antenna of a plurality of RF antennas towards an arena, obtaining by the antenna array affected multiple RF signals from the arena, measuring the plurality of reflected RF signals by a Radio Frequency Signal Measurement Unit (RFSMU) and calculating a plurality of channel responses from said plurality of affected RF signals, providing by at least one processing unit a first model, which is configured to produce an expected electromagnetic (EM) channel responses of the antenna array and the arena and providing a second model, which comprises a relation between the first model and the antenna array calibration parameters and calculating the array calibration parameters to calibrate the antenna array.

System and methods for calibrating an antenna array using targets

System device and methods for measuring substances' dielectric properties using microwave sensors

A system and methods for RF (Radio Frequency) penetration imaging of one or more objects in a medium, the system including a generation and reception subsystem configured to generate and receive a plurality of RF signals, an RF antenna array including a plurality of antennas, the antennas being configured to transmit the RF signals towards the medium and receive a plurality of RF signals reflected from the medium, a data acquisition subsystem configured to receive and store the reflected RF signals, and a processor configured to estimate the distance between the surface of the target medium and the antenna array, the delay between the transmitted signals and the plurality of signals reflected from the object using a dedicated frequency sub-band of the received signals, the location of the antennas at each transmitting time, and determine whether there is an object within the medium.

System and method for radio frequency penetration imaging of an object

Systems, device and methods are provided for measuring parameters of a medium such as the dielectric properties of a medium including a plurality of layers, using an array of sensors. The array comprises at least two transducers and at least one transceiver attached to said at least two transducers, the at least one transceiver is configured to transmit at least one signal toward the medium and receive a plurality of signals affected by the medium; a data acquisition unit and at least one processor unit, configured to: process the affected plurality of signals to yield a plurality of transfer functions wherein each of said plurality of transfer functions comprising said medium response between two transducers of said at least two transducers as function of frequency or time; and process the plurality of transfer functions to yield a plurality of statistical measures, and process said statistical measures to calculate said medium parameters.

Apparatus and methods for signal generation, reception, and calibration involving quadrature modulation and frequency conversion. Embodiments of the present invention provide extremely wide bandwidth, high spectral purity, versatility and adaptability in configuration, and ease of calibration, and are particularly well-adapted for use in integrated circuitry.

Apparatus and methods for signal generation, reception, and self-calibration

A system and methods for RF (Radio Frequency) penetration imaging of one or more objects in a medium, the system comprising: a generation and reception unit configured to generate and receive RF signals; an antenna array configured to transmit/receive the RF signals, the antenna array comprises a plurality of antennas: and a processor in communication with said antenna array, said processor is configured to analyze said RF signals and estimate the distance between the antenna array and the object, and in addition the relative orientation between the antenna array and the medium surface.

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Ramat Hasharon, Israel

Jonathan Rosenfeld