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8421668 Sub-millimeter wave RF and ultrasonic concealed object detection and identification  
Active and passive sub-millimeter wave RF and ultrasonic systems can be used to detect a concealed object, such as an object concealed under the clothing of a subject, and identify material...
8400348 Airborne biota monitoring and control system  
Apparatus and methods for an airborne biota monitoring and control system are disclosed. Radar and laser/optical sensors are used to detect insects, with detection zones being over water in some...
8391488 Method and apparatus for using navigation signal information for geoencryption to enhance security  
A data encryption and decryption system securely geoencrypts data using location-dependent navigation signals. To increase the entropy of the cryptographic key to guard against a brute-force...
8390504 Identification of potential threat materials using active electromagnetic waves  
Electrical properties of concealed dielectric objects, such as the dielectric permittivity, can be deduced from incident, reflected, and transmitted electromagnetic waves in an imaging system. In...
8368586 Person-borne improvised explosive device detection  
A system includes a multi-system approach to detecting concealed weapons and person borne improvised explosive devices (PBIED). A first and second radar system operate at different center...
8362942 Moving-entity detection  
A system and method for detecting entities based on movement can involve transmission circuitry configured to enable transmission of a stepped-frequency radar signal, an antenna, and receiving...
8358234 Determination of hostile individuals armed with weapon, using respiration and heartbeat as well as spectral analysis at 60 GHz  
A system includes a plurality of radar units configured to provide scan data to a network; a signal processing and imaging module connected to the network and configured to receive the scan data,...
8354939 Wellbore casing mounted device for determination of fracture geometry and method for using same  
A logging system and method for measuring propped fractures and down-hole subterranean formation conditions including: a radar source; an optical source; an optical modulator for modulating an...
8350747 Surveillance with subject screening  
A surveillance system is disclosed. In some embodiments, the surveillance system may include at least one controller adapted to control operation of first and second screening apparatus and to...
8345918 Active subject privacy imaging  
A method of surveilling a subject including a person's body may include or an imaging system may provide interrogating the subject with electromagnetic radiation, and generating, from the...
8330642 Imaging by time reversal beamforming  
A high resolution imaging system is used to detect and locate targets using time reversal in rich scattering environments, where the number of scatterers is significantly larger than the number of...
8319682 Method and apparatus for examining an object using electromagnetic millimeter-wave signal illumination  
A method examining an object using millimeter-wave signals includes: (a) providing at least two millimeter-wave signal sources; (b) transmitting at least two millimeter-wave signals having at...
8319678 System and method for imaging objects  
An active imaging system for imaging a target is described. The system includes a transmitting unit, a receiving unit, an antenna arrangement coupled to the transmitting unit and/or the receiving...
8302875 Airconditioning equipment, signal transmission method, and signal transmission method for air conditioning equipment  
An air conditioning equipment having an in-room unit connected to one end of the refrigerant pipes and an out-room unit connected to the other end of the refrigerant pipes. The air conditioning...
8306272 Method and system for dynamically altering the analysis methodology of millimeter wave imagery in response to the range and direction of motion of a subject  
A system and method for dynamically altering the analysis methodology of millimeter wave imagery in response to the range and direction of motion of a subject is disclosed. In a particular...
8289201 Method and apparatus for using non-linear ground penetrating radar to detect objects located in the ground  
A method and apparatus for detecting objects located underground. In one advantageous embodiment, a detection system detects objects having electrical non-linear characteristics located...
8289199 System and method for pattern design in microwave programmable arrays  
An antenna array for use within a microwave imaging system to capture a microwave image of a target is selectively programmed to optimize one or more parameters of the microwave imaging system....
8284096 System and method of detection of uncrushable metallic pieces in mineral loads  
A system and method to detect uncrushable metallic pieces hidden inside a mineral load directly inside a transport device to a primary crusher includes a directionally adjustable radar having at...
8280634 Utility mapping and data distribution system and method  
A system and method of mapping underground utilities and other subsurface objects involves one or more of acquiring utility location data using a number of different detectors and sensors,...
8275572 Difference frequency detection with range measurement  
A method and apparatus for detecting objects. A first plurality of electromagnetic signals having a first frequency and a second plurality of electromagnetic signals having a second frequency are...
8258995 Holographic imaging based on time-domain data of natural-fiber-containing materials  
Methods and apparatuses for imaging material properties in natural-fiber-containing materials can utilize time-domain data. In particular, images can be constructed that provide quantified...
8253619 Electromagnetic scanning imager  
In one aspect, the present invention provides an imager, preferably portable, that includes a source of electromagnetic radiation capable of generating radiation with one or more frequencies in a...
8242952 Elimination of spurious data in radar cross-section calculations and measurements  
Presented is a system and method for eliminating spurious data in radar cross section (RCS) data. The system and method receives RCS data, and determines an expected number of scattering centers...
8237604 Virtual beam forming in ultra wideband systems  
Systems and methods include up-converting a UWB frequency pulse from a UWB radar unit to a V band frequency pulse; transmitting the V band frequency pulse via an active array antenna; receiving a...
8228226 E-Band receiver and bit error measurement  
Methods and apparatus are provided to facilitate the alignment of an antenna. In one aspect, there is provided a transceiver. The transceiver may include an antenna and a downconverter module...
8212710 Radar image generation system  
According to one embodiment, a synthetic aperture radar includes a back projection processor that is configured to receive multiple return signals from the radar as the radar is moved with respect...
8207885 Adjustable pulse width ground penetrating radar  
A ground penetrating radar system is described that is able to create both low frequency, wide pulses, and high frequency, narrow pulses, to enable both deep and shallow operation of the ground...
8207886 Model-based tomographic reconstruction  
A model-based approach to estimating wall positions for a building is developed and tested using simulated data. It borrows two techniques from geophysical inversion problems, layer stripping and...
8193965 Forward-looking detection radar  
An explosive detection system includes an unmanned vehicle and a manned vehicle. The unmanned vehicle includes a reflector. The manned vehicle includes a ground penetrating radar. The manned...
8193966 Wire detection systems and methods  
In one embodiment a system to detect, from a remote location, one or more wires in a target location comprises a radiation targeting assembly to direct a rotating polarization radiation field at...
8188745 Precise location and orientation of a concealed dipole transmitter  
A method for determining the location of an underground sonde transmitter is disclosed. In some embodiments, the method includes measuring a set of complex electromagnetic field magnitude and...
8179300 Method for suppressing clutter in space-time adaptive processing systems  
A method surpresses clutter in a space-time adaptive processing system. The method achieves low-complexity computation via two steps. First, the method utilizes an improved fast approximated power...
8174430 Detection of concealed object by standing waves  
A process is provided to detect an object within a defined region using standing longitudinal cavity mode waves. The process includes disposing first and second conductive lines substantially...
8174429 Mine detection  
An integrated mine detection system includes a ground penetrating metal detector and a ground penetrating radar detector. The integrated mine detection system includes an integrated search device...
8175393 Multi-phenomenology object detection  
Method and system for utilizing multiple phenomenological techniques to resolve closely spaced objects during imaging includes detecting a plurality of closely spaced objects through the imaging...
8169355 Device for imaging test objects using electromagnetic waves, in particular for inspecting people for suspicious items  
To depict test objects using electromagnetic waves, particularly to check people for suspicious articles, an apparatus is provided having: an antenna which emits electromagnetic waves,...
8169362 Mobile sense through the wall radar system  
A method and apparatus for sensing a target through a wall or obstruction by a Moving Target Indicator (MTI) radar sensor. In an exemplary embodiment, a series of radar pulses are transmitted at...
8164509 System and method for radiating RF waveforms using discontinues associated with a utility transmission line  
A method for processing radio frequency reflections is provided. The method applies an RF waveform to a transmission line that is a conductor used for providing a utility service. The method uses...
8164507 Fusing multi-sensor data to provide estimates of structures  
In particular embodiments, analyzing data includes receiving sensor data generated in response to sensing one or more structures. The structural features of the sensor data are identified. Each...
8159384 Method for examining an ice region or dry region using radar echo sounding  
To suppress cross-ambiguities in the examination of an ice region or dry region by means of aircraft- or aerospace-supported radar echo sounding, the region to be examined is overflown by a radar...
8154439 Sub-millimeter wave imaging system  
A system for detecting the amplitude of radio frequency energy includes: an antenna for receiving the radio frequency energy; a modulator, responsive to a reference frequency signal, for pulse...
8149093 System and method for wireless communications  
A method of detecting position of a moving RFID tag relative to an antenna, includes continually receiving a signal from the RFID tag at the antenna. The phase of the received signal over a time...
8144052 Multi-pixel high-resolution three-dimensional imaging radar  
A three-dimensional imaging radar operating at high frequency e.g., 670 GHz radar using low phase-noise synthesizers and a fast chirper to generate a frequency-modulated continuous-wave (FMCW)...
8138961 Step frequency ISAR  
A step frequency inverse synthetic aperture radar (ISAR) includes a transmitter configured to transmit a transmission pulse at a transmission frequency to a near earth object (NEO), the...
8120354 Self-calibrating magnetic field monitor  
A self-calibrating magnetic field monitor is disclosed. In one embodiment, a magnetic field sensor repeatedly generates an electronic signal related to the magnetic field. In addition, a...
8115666 Ground penetrating synthetic aperture radar  
A method and system for examining subsurface targets utilizing an elevated or airborne platform. A broad spectrum of frequencies is transmitted from the platform and is directed at the various...
8115667 Highway speed ground penetrating radar system utilizing air-launched antenna and method of use  
Embodiments of the disclosed technology comprise an air-launched antenna system with interference-rejection technology that operates in analog hardware as well as by way of a digital filtering...
8106812 Method and device for detection of motion of the surface of an object  
The invention relates to a method for detection of motion of the surface of an object by means of a detection device, the object being stationary during a detection process, and situated in a...
8102298 Ultra-wideband radar waveform calibration for measurements of a heterogeneous material  
Embodiments of the disclosed technology comprise a ground penetrating radio device and methods of use for obtaining greater resolution. This is achieved by measuring the composition/reflection off...
8098186 Through-the-obstacle radar system and method of operation  
There are provided a through-the-obstacle radar system and method of operating thereof comprising recording signals and/or derivatives thereof collected during a certain substantial monitoring...