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| Number | Title | Issue Date |
| 8063817 | Method for cross-range enhancement of real-beam radar imagery Methods and apparatus for enhancing the resolution of a radar image in the cross-range direction. An example method includes receiving a plurality of received power samples in the cross-range dimension as the radar antenna scans and calculating a window function fro... | 11/22/2011 |
| 7548192 | Method of mapping steel reinforcements in concrete foundations A method of mapping steel reinforcements in an existing concrete foundation. The method includes determining the depth of the concrete foundation. Further the method entails transmitting radar signals into at least one section of the concrete foundation and collecti... | 06/16/2009 |
| 7489268 | Methods and systems for producing an interpretive airborne radar map Systems and methods for identifying and uniquely displaying ground features (terrain/obstacles) that are shadowed from an aircrafts radar system. An example system includes one or more aircraft information, sources, a database that stores three-dimensional terrain/o... | 02/10/2009 |
| 7400291 | Local positioning system which operates based on reflected wireless signals A local positioning system is proposed for wirelessly locating an object using existing features within a static environment, such as walls, as the references for determining the position of the system. An antenna 16 attached to the object transmits RF signal... | 07/15/2008 |
| 7385552 | Real-time, cross-correlating millimeter wave imaging system using dual pill-box antennas A method and apparatus are disclosed for forming an image from millimeter waves. A field of view scanned using two geometrically orthogonal, intersecting copolarized fan beams (110, 120) to receive millimeter wave radiation. The received millimeter wave radia... | 06/10/2008 |
| 7231297 | Navigation system, abridged map distribution apparatus and vehicle guiding method The navigation system according to the present invention, which guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating the direction of the next turn instead of displaying a map includes a decision-making device that makes a... | 06/12/2007 |
| 7209070 | System and method for enhanced situational awareness of terrain in a vertical situation display A vertical situation display (“VSD”) system according to the invention generates a terrain image that represents a profile view of terrain elevation relative to the position of an aircraft traveling above the terrain. The VSD system generates the VSD image such ... | 04/24/2007 |
| 7170443 | Method for the evaluation of radar data for fully automatic creation of a map of regions with interference A method for the evaluation of radar data for fully automatic creation of a map of regions with interference, in which undesirable reflections frequently occur includes the following method steps. The region to be mapped is divided up into cells. The short-lived tar... | 01/30/2007 |
| 7167126 | Radar system and method for determining the height of an object System and method for determining the height of an object reflecting a real beam radar signal by receiving the reflected signal with a first and second vertically spaced antennas. Receivers provide two signals indicating the phase of the reflected signals received b... | 01/23/2007 |
| 7149147 | System and method for sound detection and image using a rotocraft acoustic signature One embodiment of the system is implemented as an aircraft comprising a rotor. For example, the aircraft may be a helicopter. This embodiment also comprises an acoustic source, wherein this acoustic source comprises an acoustic signature of the aircraft. This partic... | 12/12/2006 |
| 7068819 | System for storing geospecific data A system for storing geospecific data for use by an interactive computing environment utilizes separate terrain height data storage and image data storage. The terrain height data storage stores blocks of terrain height data which are defined as discrete terrain hei... | 06/27/2006 |
| 7065449 | Method and system for evaluating geophysical survey data A method and system for evaluating geophysical survey data is provided. Two neighboring flight paths of a geophysical survey are likely to have geophysical characteristics in common because neighboring flight paths cover geographic areas in a close proximity to one ... | 06/20/2006 |
| 7038612 | Method for SAR processing without INS data A Synthetic Aperture Radar (SAR) avoids the need for an INS/GPS by focusing a SAR image having discernible features and a center. The image is formed from digitized returns, each of the digitized returns having a phase and an amplitude. The focusing steps of an algo... | 05/02/2006 |
| 7023375 | Radar system for obstacle warning and imaging of the surface of the earth A radar system for active obstacle warning and imaging of the surface of the earth, working in the pulse frequency or FH-CW range, which can be used in on-line operation in real time, includes a plurality of antenna elements for sending and receiving radar signals, ... | 04/04/2006 |
| 7015855 | Creating and identifying synthetic aperture radar images having tilt angle diversity An apparatus for and method of employing synthetic aperture radar (SAR) images to automatically classify a target comprising emitting and collecting SAR signals at a plurality of squint angles, forming a plurality of SAR images of the target from the collected signa... | 03/21/2006 |
| 6999021 | Method and apparatus for detecting, mapping and locating underground utilities The method and device for locating underground utilities within an area includes traversing the area with a plurality of underground utility sensors and obtaining area location data to locate the area traversed. The sensor data and area location data are used to map... | 02/14/2006 |
| 6987479 | Conformal range migration algorithm (CRMA) “KARMA” Motion compensation for coherent combination of pulses facilitates a SAR image of a scene on earth's surface. A great circle (406) is centered with respect to the earth's center, The great circle (406) has an axis (412) perpendicular to a first ... | 01/17/2006 |
| 6967613 | Broadband waveform reconstruction for radar Resolution of a radar operating within a bandwidth is improved by defining a quantity of substantially rectangular sub-band filters to subdivide the bandwidth in the frequency domain into the quantity of sequential sub-bands having a sub-bandwidth. Each signal sent ... | 11/22/2005 |
| 6965342 | Method for recognizing and identifying objects A method for recognizing and identifying objects by means of several sensors, particularly using imaging sensors (L, W, V) in the infrared and/or visible wavelength range and radar devices (R) which are based on the generation of a synthetic aperture. According to t... | 11/15/2005 |
| 6947842 | Normalized and animated inundation maps Methods and systems for normalizing flood warnings and potential flood levels across multiple river gauges by converting localized flood stage levels to a datum-based normalized value are disclosed. The normalized flood levels can then be used to plot flood levels f... | 09/20/2005 |
| 6917784 | Image formation by passive collection and processing of radio frequency signals illuminating and scattered by cultural features of terrestrial region An imaging system uses ‘RF daylight’ created by an RF illumination source, such as a television broadcast tower, to passively generate RF scattering coefficients for multiple points within a prescribed three-dimensional volume being illuminated by the RF transmi... | 07/12/2005 |
| 6911933 | Dynamic logic algorithm used for detecting slow-moving or concealed targets in synthetic aperture radar (SAR) images The present invention includes an application of a dynamic logic algorithm to detect slow moving targets. Show moving targets are going to be moving in the range from 0-5 mph. This could encompass troop movements and vehicles or convoys under rough terrain. The meth... | 06/28/2005 |
| 6911931 | Using dynamic interferometric synthetic aperature radar (InSAR) to image fast-moving surface waves A new differential technique and system for imaging dynamic (fast moving) surface waves using Dynamic Interferometric Synthetic Aperture Radar (InSAR) is introduced. This differential technique and system can sample the fast-moving surface displacement waves from a ... | 06/28/2005 |
| 6867727 | Multiplatform multifunction avionics architecture A system-of-systems avionics architecture that is compatible with futuristic multi-function multi-platform sensor applications. The method and device of the invention is based on localized “adaptive” waveform and spectrum allocation for ultra-wideband radio freq... | 03/15/2005 |
| 6864828 | Method and apparatus for collection and processing of interferometric synthetic aperture radar data A system and method provide for the collection of interferometric synthetic aperture radar (IFSAR) data. In the system, a first space vehicle configured for emitting electro-magnetic energy and collecting the reflection from a region of interest (ROI), may be direct... | 03/08/2005 |
| 6861971 | Transponder having high phase stability, particularly for synthetic aperture radar, or sar, systems A transceiver or transponder particularly for synthetic aperture radar, or SAR, systems, operating in a frequency band having a central frequency, the transponder comprising a receiver (1) and a transmitter (2) both thermally stable and made by microst... | 03/01/2005 |
| 6853330 | Inverse precision velocity update for monopulse calibration A radar system derives a correction for an actual boresight (311) of a radar monopulse antenna mounted on a moving platform from Σ data and Δ data generated with respect to an a priori known, calibrated boresight (309). The monopulse antenna (602 | 02/08/2005 |
| 6853332 | Automatic registration of images in digital terrain elevation data A method of registering reconnaissance image data with map data is disclosed, comprising recording image data at a plurality of positions, together with the role, pitch and height above mean sea level data from an airborne navigation system and imaging system, and r... | 02/08/2005 |
| 6801156 | Frequency-agile monopulse technique for resolving closely spaced targets A monopulse radar system generates elevation and azimuth difference monopulse estimates of the location of targets in each range cell, where the target may be either a single or plural target, each of which is made up of multiple scattering sources. Each azimuth-ele... | 10/05/2004 |
| 6771207 | Establishing radar coverage, blockage, and clutter region maps for radar product data based on terrain elevation data Radar coverage maps having blockage, coverage and clutter features available for ease of interpretation are provided using terrain data to establish such features in data sets. The data sets provide a basis for the modified display. Multiple tilts of the radar scan ... | 08/03/2004 |
| 6738009 | System and method for synthetic aperture radar mapping a ground strip having extended range swath A system and method for mapping a ground strip having an extended range swath includes a synthetic aperture radar (SAR) mounted on a moving platform. The ground strip is divided into columns that extend from the near-range edge of the ground strip. Each column conta... | 05/18/2004 |
| 6727841 | Position-adaptive UAV radar for urban environments Bistatic/multistatic radar system concept for purposes of interrogating difficult and obscured targets in urban environments via the application of low-altitude “smart” or “robotic-type” unmanned air vehicle platforms. A significant aspect of the invention i... | 04/27/2004 |
| 6714157 | Multiple time-interleaved radar operation using a single radar at different angles A pulse radar system capable of mapping multiple targets essentially simultaneously using a single radar antenna. By alternately transmitting radar pulses toward multiple targets positioned at different angles relative to the antenna and alternately receiving return... | 03/30/2004 |
| 6707415 | Method and system for generating weather and ground reflectivity information A method, system, and computer program product for storing weather radar return data into a three-dimensional buffer. The system includes a radar system that transmits a radar signal and generates a radar measurement as a result of radar return of the transmitted ra... | 03/16/2004 |
| 6700527 | Coherent two-dimensional image formation by passive synthetic aperture collection and processing of multi-frequency radio signals scattered by cultural features of terrestrial region An imaging system uses wideband `RF daylight` created by plural narrowband RF illumination sources, to passively generate spectrally different sets of RF scattering coefficients for multiple points within a prescribed three-dimensional volume being illumi... | 03/02/2004 |
| 6677884 | Satellite configuration for interferometric and/or tomographic remote sensing by means of synthetic aperture radar (SAR) For interferometric and/or tomographic remote sensing by means of synthetic aperture radar (SAR) one to N receiver satellites and/or transmitter satellites and/or transceiver satellites with a horizontal across-track shift the same or differing in amplitu... | 01/13/2004 |
| 6674391 | System and method of simulated image reconstruction A system includes a storage medium storing contextual information about a target or target area, and a simulator communicatively coupled to the storage medium and operable to receive the contextual information. The simulator is operable to generate a set ... | 01/06/2004 |
| 6661368 | Control of reflected electromagnetic fields at an IFSAR antenna A system for reducing multi-path reflections from adjacent metal objects which cause distortion in an IFSAR includes a reflective cone extending between the top of the IFSAR and the skin of its aircraft, and a reflective shroud surrounding the IFSAR. Each... | 12/09/2003 |
| 6653970 | Multi-static UAV radar system for mode-adaptive propagation channels with obscured targets Bistatic radar compatible for investigating the employment of a high-altitude UAV working in tandem with a group of low-altitude UAVs. The bistatic radar is divided into a position-adaptive bistatic mode and a close-range monostatic mode. In position-adap... | 11/25/2003 |
| 6650274 | Radar imaging system and method An imaging system and method. The invention provides an intra-pulse repetition interval (PRI) agile beam technique for enhanced resolution that can be used at aspect angles near the velocity vector of a host vehicle. It is particularly useful at small sca... | 11/18/2003 |
