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| Number | Title | Issue Date |
| 8130137 | Template updated boost algorithm A method and a system for sensing a boosting target missile, estimate position and velocity and boost acceleration parameters of the target missile, and control an interceptor missile to the target missile. A boost-phase missile target state estimator estimates at l... | 03/06/2012 |
| 8044841 | Geometry and sensitivity weighted dynamic multi-sensor selection system and method A method of selecting a sub-set of a plurality of available sensors to guide an interceptor to a target is described. The method includes characterizing a quality of position estimate received from each of the plurality of available sensors, projecting the positioni... | 10/25/2011 |
| 8004453 | Elevation null command generator for monopulse radar airborne missile guidance systems There is disclosed an elevation null command generator (ENCG) for use in airborne monopulse radar, and a novel missile guidance system made possible by use of the ENGC. The ENCG provides an accurate means of directing the elevation monopulse plane of a radar antenna... | 08/23/2011 |
| 7911373 | Compact active phased array antenna for radars A radar system, including: a compact, active phased array antenna for transmission and reception of a focused radiation beam, circuits for providing signals to produce or detect a radiation beam by the phased array antenna and to control or detect the direction of t... | 03/22/2011 |
| 7825848 | Method with a system for ascertaining and predicting a motion of a target object Method, tracking system, and intercept missile for tracking highly maneuverable target objects. The method includes estimating the motion of the at least one target object via a mathematical method that includes a filter method relating to a model assumption for est... | 11/02/2010 |
| RE41630 | Master frequency generator A system is provided for generating multiple frequencies in a specified frequency band, with a specified step size between frequencies, in which the spectral purity of the frequencies is assured. The switching speed between frequencies is very fast, limited only by ... | 09/07/2010 |
| 7741991 | Radar tracking system An angle tracking radar system particularly for a missile with a steerable antenna and gyros strapped down to the missile body—a ‘partially strapdown’ system. The body rate signals, body acceleration signals where provided, and target position signals are conv... | 06/22/2010 |
| 7589663 | System and method for the measurement of the unambiguous roll angle of a projectile A system for the measurement of an angle of roll of a projectile is disclosed. The projectile has a casing with a rear end, a front end, and a side wall extending therebetween. The system includes a radar configured to transmit a polarized electromagnetic signal tow... | 09/15/2009 |
| 7548184 | Methods and apparatus for processing data from multiple sources Methods and apparatus for processing data from multiple sources according to various aspects of the present invention include a sensing system for determining target information. The sensing system includes sensors to generate target information and local trackers t... | 06/16/2009 |
| 7522089 | Airborne look-down doppler radar tracking of hovering helicopters using rotor features A system and method is presented for detecting and classifying slow-moving and hovering helicopters from a missile's look-down Doppler radar that is compatible with the existing base of Doppler radars. This approach uses definable attributes of a helicopter rotor as... | 04/21/2009 |
| 7425919 | Radar video data viewer A computer program which plots radar video data generated by a seeker on a missile. The program allows a user to plot multiple scans of radar video data on a chart, which is obtained from a Data Worksheet. The chart displays one or more sets of radar video data scan... | 09/16/2008 |
| 7425918 | System and method for the measurement of full relative position and orientation of objects Methods are provided where: a signal is transmitted from an illuminating source and received cavity waveguides disposed on an object; a position and/or orientation of the object is determined based on the signal received in the waveguides; and data representing the ... | 09/16/2008 |
| 7425693 | Spectral tracking A method of tracking a target. The method includes the steps of acquiring a first spectral image of a scene that includes the target, designating a spectral reference window, in the first spectral image, that includes a respective plurality of pixel vectors, acquiri... | 09/16/2008 |
| 7400289 | Plume-to-hardbody offset compensation in boosting missiles A methodology determines the offset distance between a threat missile plume and its hardbody during boost phase to aid in guiding a kinetic weapon (KW) or interceptor missile to the threat missile hardbody using the KW infrared sensor of the interceptor missile in c... | 07/15/2008 |
| 7397549 | Doppler tracking optical monopulse A method and apparatus for finding a relative direction to, a radial speed of, and a distance to a target is described. A laser source illuminates the target and the Doppler shifted return beam is incident upon a window system at an angle and is transmitted therethr... | 07/08/2008 |
| 7394046 | Tracking of a moving object A system for determination of kinematics of a moving object comprising: a sensor producing angular data for the object at a number of observation times, a state initialization unit, receiving angular data from the sensor and on basis thereof determining a first kine... | 07/01/2008 |
| 7394047 | Interceptor guidance for boost-phase missile defense A fire control system for a boost phase threat missile includes sensors for generating target-missile representative signals, and a multi-hypothesis track filter, which estimates the states of various target hypotheses. The estimated states are typed to generate hyp... | 07/01/2008 |
| 7369085 | Shared phased array beamformer A shared beamformer flexibly allocates beams among phased array antenna apertures of a satellite (or other type of platform). By sharing the beamformer among the apertures, if one aperture is not providing useful coverage (due to orientation, traffic volume, signal ... | 05/06/2008 |
| 7355545 | Through the wall ranging with triangulation using multiple spaced apart radars A plurality of multi-tone CW radars are used to generate a swath of ranges to a moving object or individual behind a wall or building structure in which the overlap of the range swaths from spaced-apart radars determines the location of the moving object or individu... | 04/08/2008 |
| 7348918 | Mobile ballistic missile detection and defense system The present invention is directed towards a ballistic missile detection and defense system. The system of the present invention comprises a ship based interceptor or antiballistic missile, a missile launch detection and tracking system, and a signal processing syste... | 03/25/2008 |
| 7338009 | Apparatus and method for cooperative multi target tracking and interception The invention described herein provides an apparatus and a method to cooperatively track and intercept a plurality of highly maneuvering asymmetric threats using networks of small, low-cost, lightweight, airborne vehicles that dynamically self-organize into an ad ho... | 03/04/2008 |
| 7333052 | Signal processing with reduced combinational complexity Signal processing with reduced combinatorial complexity for tracking evolving phenomena such as radar tracks associated with weighted measurement parameters includes selecting a current phenomenon and obtaining a set of measurement parameters associated with it. Beg... | 02/19/2008 |
| 7315728 | Polarized wave measuring apparatus, and antenna characteristic measuring apparatus and radio wave measuring apparatus using the same A phase shift section phase-shifts the second band-restricted signal to a first phase-shifted signal and a second phase-shifted signal having a phase that is different from the phase of the first phase-shifted signal by 90 degrees. A first signal mixing section mixe... | 01/01/2008 |
| 7304283 | Target tracking device for a flight vehicle A target tracking device (2) for a flight vehicle (10) is specified which has a position-sensitive photodiode (4) with at least two signal outputs (A1, A2, A3, A4) which are respectively connected to a... | 12/04/2007 |
| 7277046 | Single transmit multi-receiver modulation radar, multi-modulation receiver and method A single transmit multi-receiver modulation radar modulates radar return signals received through an associated receive-signal path with one of a plurality of differing modulation waveforms having low-cross correlation products. Each receive-signal path may be assoc... | 10/02/2007 |
| 7277558 | Method and system for estimating the position of moving objects in images A method and system are disclosed for estimating a position of moving objects in a set of image data. In accordance with exemplary embodiments of the present invention, a position of an object is identified in a first frame of image data acquired at a first time. Th... | 10/02/2007 |
| 7273194 | Weapon guidance system The centroid of the discrete components forming the overall radar return from a target onto which a homing weapon is being guided may not coincide with a desired aimpoint on the target. Herein proposed is the discrimination and comparison of returns from different p... | 09/25/2007 |
| 7268732 | Radar sensor for use with automobiles The invention relates to a radar sensor (10) for use with automobiles. Said radar sensor emits pulsed radiation. The radar sensor is characterized in that it comprises an antenna with at least one layer-structured block (34) consisting of metal layers ... | 09/11/2007 |
| 7264198 | Time-to-go missile guidance method and system A method and apparatus for guiding a vehicle to intercept a target is described. The method iteratively estimates a time-to-go until target intercept and modifies an acceleration command based upon the revised time-to-go estimate. The time-to-go estimate depends upo... | 09/04/2007 |
| 7249730 | System and method for in-flight trajectory path synthesis using the time sampled output of onboard sensors Disclosed are a system, method, and program storage device implementing the method, of data fusion, wherein the method comprises determining pre-launch data affecting a flight of a self-sensing air-bursting ballistic projectile, the projectile comprising a plurality... | 07/31/2007 |
| 7248210 | Man-portable counter mortar radar system The present invention is a man-portable counter-mortar radar (MCMR) radar system that detects and tracks enemy mortar projectiles in flight and calculates their point of origin (launch point) to enable and direct countermeasures against the mortar and its personnel.... | 07/24/2007 |
| 7236121 | Pattern classifier and method for associating tracks from different sensors An interceptor-based sensor clusters tracks of objects to generate track clusters based on an uncertainty associated with each track, and generates feature vectors for a cluster under test using the relative placement and the population of other track clusters. The ... | 06/26/2007 |
| 7232111 | Control arrangement for an automatic residential faucet A hands-free faucet comprises a spout, a valve, a position sensitive device, and a logical control. The position sensitive device is positioned on the user's side of the spout, and has a trigger zone and an extended zone, each defined in part by a distance range fro... | 06/19/2007 |
| 7219853 | Systems and methods for tracking targets with aimpoint offset A target identification and tracking system includes a carrier vehicle and one or more tracking vehicles. The carrier vehicle may determine an aimpoint of a target from a high resolution image of the target and may generate an offset from a tracking point to the aim... | 05/22/2007 |
| 7218272 | Reducing antenna boresight error Reducing antenna boresight error includes receiving radar pulses reflected from the ground, where pulses are emitted from the antenna of a radar system, reflected by the ground, and received by the antenna. The return pulses carry information about the ground. Measu... | 05/15/2007 |
| 7218270 | ATR trajectory tracking system (A-Track) A-Track is a tracking process that is driven by automatic target recognition techniques (ATR), mobility analysis using digital maps and exploitation of other constraining information. It is structured as an optimization problem amenable to the formalism from classic... | 05/15/2007 |
| 7205932 | Method and apparatus for improved determination of range and angle of arrival utilizing a two tone CW radar An improved system is provided for aiming a shotgun-based or other countermeasure system so as to be able to countermeasure incoming rockets or projectiles. In one embodiment a shotgun aimed and controlled by the subject system projects a pattern of pellets to inter... | 04/17/2007 |
| 7202809 | Fast acting active protection system A fast acting active protection system for military vehicles defeats RPG (rocket propelled grenade) threats fired from close ranges. The system minimizes the hazard to troops and civilians nearby. The system uses a plurality of passive sensors to locate the threat a... | 04/10/2007 |
| 7193556 | System and method for the measurement of full relative position and orientation of objects A system for measuring a position and orientation of an object in flight relative to a reference coordinate system is provided. The system including: three or more illuminating sources, each disposed in a predefined position, the three or more illuminating sources t... | 03/20/2007 |
| 7190304 | System for interception and defeat of rocket propelled grenades and method of use A method for intercepting and a defeating rocket propelled grenade (RPG) which includes the steps of detecting a thermal signature from a launch of the RPG; and cueing a narrow beam radar which locates the RPG and develops a ballistic solution and target intercept p... | 03/13/2007 |
