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7619556 |
System and method for synthesizing localizer and glide slope deviations from weather radar
The present invention is a method for obtaining a localizer deviation and a glide slope deviation for an aircraft. The method may include directing electromagnetic signals from a weather radar...
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7609198 |
Apparatus and method for radar imaging by measuring spatial frequency components
A radar imaging system is provided that directly measures the spatial frequency components of a scene via digital-beam-forming techniques applied along the cross-track dimension. Separate transmit...
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7605743 |
Method and device for a material-penetrative localization of a measurement signal
The invention relates to a method for the material-penetrative localization of a measurement signal, in particular a material-penetrative positioning method for use on walls, ceilings, and floors. ...
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7592947 |
Generating radar signatures for multiple objects
In one aspect, a method to generate radar signatures for multiple objects includes performing in parallel a shooting and bouncing (SBR) technique to solve for physical optics and multi-bounce...
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7561096 |
Subsurface imaging radar
The present invention can be summarized by use of a diffraction limited SAR giving large integration angle and a short depth of field which gives that energy from underground targets is focused...
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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...
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7548181 |
Earth-penetrating radar with inherent near-field rejection
A ground-penetrating radar comprises a transmitter for launching pairs of widely separated and coherent continuous waves. Each pair is separated by a different amount, such as 10 MHz, 20 MHz, and...
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7541973 |
Radar apparatus for combining and displaying data from a plurality of radar antennas
A radar apparatus is provided which correctly combines and displays detected data obtained from a plurality of radar antennas. Detected data obtained from a radar antenna 11 is subjected to a...
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7535412 |
Single pulse imaging radar system and method
A single pulse imaging (SPI) radar system for creating a radar image from a plurality of Doppler phase-shifted return radar signals in a radar environment of moving targets includes a transmitter;...
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7535409 |
Imaging radar method and system
A time-reversal imaging radar system for acquiring an image of a remote target includes an antenna array having a plurality of spaced-apart antennas, and a transceiver coupled to the antenna array...
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7528763 |
Millimeter-wave interrogation relating features
Methods for interrogating a subject with millimeter-wave electromagnetic radiation, and generating data representative of a selected feature of a subject may include serial comparative...
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7525479 |
Radar apparatus
An array antenna includes a first end portion that has a first plurality of antennas arranged with a spacing d therebetween and a second end portion that has a second plurality of antennas arranged...
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7522094 |
Method and system for radar tracking of moving target from moving station
A method and system is proposed for use by a moving station (such as a jetfighter) for radar tracking of a moving target (such as an air-to-air missile). The proposed method and system involves the...
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7515098 |
Method for developing and using an image reconstruction algorithm for multipath scattering
Described herein is an implementation of the IRAMS processing based upon a multi-delay-resolution framework applied to SAR image data measured at different aspect angles. The power of this new...
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7515069 |
Multifunctional avionic display
A display screen for displaying multiple sets of information is provided. The display screen includes at least one region of a select color designated to convey a first set of information and a...
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7511655 |
Method and apparatus for 3-D sub-voxel position imaging with synthetic aperture radar
A method and apparatus for determining three dimensional sub-voxel positions using synthetic aperture radar. The apparatus includes at least four non-coplanar, phase-coherent synthetic aperture...
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7511654 |
Systems and methods for mine detection
Systems, methods, and devices for detecting land mines and unexploded ordnance are disclosed. A first embodiment may be construed as a method that includes: inserting an antenna into the ground;...
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7504985 |
Multi-dimensional real-array radar antennas and systems steered and focused using fast fourier transforms
Radar systems are disclosed that include a signal generator, an antenna, a switching circuit, an I/Q sampling and signal-demodulation (demodulation) processor, and a FFT processor. The signal...
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7498577 |
Sensing device employing electromagnetic waves
A sensing device includes a transmission path, an electromagnetic-wave input unit through which an electromagnetic wave enters the transmission path, an electromagnetic-wave detector configured to...
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7482969 |
Material movement sensing techniques
One embodiment of the present invention provides several electromagnetic radiation reflectors within a volume that contains solid portions subject to movement relative to one another. At least a...
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7479918 |
Vehicle-mounted ultra-wideband radar systems and methods
Vehicle-mounted UWB systems and/or methods for detecting mines and other explosive devices are provided. In certain exemplary embodiments, a system for detecting non-buried mines and/or improvised...
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7474250 |
Compression and transmission of weather data
Weather radar reflectivity data is compressed by converting radar data to image pixels. Next, contours are traced from select groupings of the pixels. Control points are derived from the contours....
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7471234 |
Producing improved mosaic of multiple field radar data product to enable improved weather display
The system or method reduces the significant degradation of quality in Radar mosaic products that are contaminated by non-meteorological returns. In regions covered by multiple radars, the...
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7460060 |
Electromagnetic wave transmitting/receiving module and imaging sensor having electromagnetic wave transmitting/receiving module
An electric wave transmitting/receiving module includes: a waveguide including a conductive member and an opening facing a transmitting side and/or a receiving side; a dielectric substrate disposed...
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7456779 |
System and method for 3D radar image rendering
A 3D rendered image of a radar-scanned terrain surface is provided from a radar return signal from the surface, wherein the return signal includes data indicative of azimuth, elevation, and range...
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7423587 |
Method for frequency-driven generation of a multiresolution decomposition of the input to wave-based sensing arrays
A method for generating a multiresolution decomposition of an array signal by a bank of spatial bandpass filters is disclosed. The signal processing operation is implemented through the use of the...
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7423581 |
Radar and similar apparatus
A radar device is provided that can reliably display sensed image data of an object, regardless of the state of the object (echo) within a sensed range and of the surrounding environment. A...
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7420504 |
Method of operating a multibeam radar
A method of operating a multibeam radar carried on a platform flying a mission over a prescribed flight path to obtain images of a plurality of target areas, the beams of said radar being the...
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7417580 |
Object detection system and object detection method
An object detection system includes a radar detection means ( 2 ), an image detection means ( 3 ), and a collating means ( 4 ). The collating means ( 4 ) performs a collation between an object...
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7417579 |
Weather radar with significance determination
A weather radar system includes processing electronics. The processing electronics sense weather and determine significant weather based upon the altitude of the weather. The altitude of the...
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7417577 |
Methods of estimating precipitation characteristics
A method of estimating precipitation characteristics including acquiring a radar image including at least a vertical plane of a precipitation zone; processing a vertical profile to generate digital...
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7415244 |
Multi-channel millimeter wave imaging system
A broad-band millimeter wave imaging system with improved thermal resolution as compared to prior art devices. The system is useful for producing images of metal and non-metal objects such as guns,...
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7414566 |
System for monitoring airport area
A system is for recognizing obstructions and monitoring movements on or above an airport area ( 1 ) with sensors ( 2, 3, 4 ). A sensor ( 2 ) is a radar device having a plurality of antenna elements...
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7411541 |
Systems and methods for presenting vertical weather information on plan view displays
Systems and methods for presenting vertical weather information on plan view displays. An example method retrieves weather radar return information stored in a volumetric buffer and determines if a...
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7391358 |
Weather radar echo tops forecast generation
Described are a method and a system for generating a short-term forecast of echo tops as defined by weather radar measurements. The method includes receiving echo tops images for different times....
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7391357 |
Correction of motion measurement errors beyond the range resolution of a synthetic aperture radar
Motion measurement errors that extend beyond the range resolution of a synthetic aperture radar (SAR) can be corrected by effectively decreasing the range resolution of the SAR in order to permit...
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7385553 |
Process for mapping multiple-bounce ghosting artifacts from radar imaging data
Described herein are frequency-domain back-projection processes for forming spotlight synthetic aperture radar (“SAR”) images that are not corrupted by the effects of multiple-bounce ghosting...
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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...
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7385549 |
Millimeter wave portal imaging system
A millimeter wave portal imaging system for the detection of concealed weapons, explosives and other contraband items. A preferred millimeter wave imaging system includes a number (such as 64) of...
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7365672 |
Detection of a concealed object
Disclosed are systems, methods, devices, and apparatus to determine if a clothed individual is carrying a suspicious, concealed object. This determination includes establishing data corresponding...
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7358890 |
Millimetre-wave illumination source
An illumination source of predominantly non-directional and incoherent millimeter-wave radiation for illuminating an area for passive millimeter-wave imaging comprises a container with at least a...
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7339521 |
Analytical instruments using a pseudorandom array of sources, such as a micro-machined mass spectrometer or monochromator
Novel methods and structures are disclosed herein which employ pseudorandom sequences to spatially arrange multiple sources in a pseudorandom source array. The pseudorandom source array can replace...
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7339516 |
Method to provide graphical representation of Sense Through The Wall (STTW) targets
A method to present easily understood images that represent targets that are detected through walls or other opaque barriers is disclosed. This method is particularly well suited for...
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7333055 |
System and method for microwave imaging using an interleaved pattern in a programmable reflector array
An antenna array for use within a microwave imaging system includes a plurality of reflecting antenna elements, each capable of being programmed with respective phase-shifts in a first pattern to...
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7330792 |
Method for reconstructing complex wave attributes from limited view measurements
A method is disclosed for reconstructing complex wave attributes from limited view measurements of a scattering object. The method involves the analytic continuation of the Fourier transform of the...
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7327309 |
Radar scan converter and method for transforming
A method transforms an image from polar coordinates into Cartesian coordinates. Therefore, the target image in Cartesian coordinates is subdivided into triangles defined by the vertices given in...
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7327308 |
Programmable method and test device for generating target for FMCW radar
A test device for a frequency modulated continuous wave (FMCW) radar is provided. The test device has a central control unit for monitoring the FMCW radar. When the FMCW radar transmits a frequency...
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7327304 |
System and method for minimizing background noise in a microwave image using a programmable reflector array
A microwave imaging system captures a microwave image of a target and minimizes noise in the microwave image using phase differentiation. A reflector antenna array is provided including a plurality...
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7327285 |
System and method for eliminating terrain color confusion in aircraft displays
An improved system and method for eliminating terrain color confusion in aircraft displays are disclosed. An aircraft display system is described that includes a database for storing terrain data,...
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7312742 |
Computerized tomography using radar
Sensing characteristics of an object includes transmitting a stepped-frequency radar through an object and detecting, with multiple receiving structures, deflected portions of the radar signal. The...
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