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"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 8138965 | Kinematic algorithm for rocket motor apperception A method, Kinematic Algorithm for Rocket Motor Apperception (KARMA), for processing radar returns for identifying the type of a missile target includes generating tracks representing the missile, and applying the tracks to a set of plural template-based filters, eac... | 03/20/2012 |
| 8111187 | Surveillance system and method A passive system is described for detecting radar emissions from vessels, receiving the radar emissions and analysing the data using a series of algorithms and software manipulation to extract radar signatures representative of the identity of the vessel. The data o... | 02/07/2012 |
| 8049659 | Firearm threat detection, classification, and location using wideband radar An aimed or aiming firearm can be detected before it is able to shoot. Wideband radar signals can be used to identify the barrel of a firearm when the radar antenna and barrel are aiming at or near each other. Signal processing correlates reflected signals to the ch... | 11/01/2011 |
| 8018371 | Passive proximity sensor method and apparatus A passive proximity detection system and method are provided. A transmitted signal, such as a communication signal, is sampled and placed in memory. A version of the transmitted signal, reflected by a target in the vicinity of the transmitting antenna, is sampled an... | 09/13/2011 |
| 7990308 | Mirror image target detection and recognition There is disclosed a system and method for detecting targets. A transmitter may transmit a first inverse transform signal, the first inverse transform signal derived from a reference image of a first reference target at a first aspect angle. A receiver may receive a... | 08/02/2011 |
| 7920088 | Apparatus and method to identify targets through opaque barriers The present invention is a method and apparatus that provides detection, characterization, and intuitive dissemination of targets. This disclosure combines improvements to ultra-wideband (UWB) sensing and machine target characterization with a means to convey data i... | 04/05/2011 |
| 7817082 | Multi frequency spectral imaging radar system and method of target classification Techniques to image life forms through obstructions and at long standoff ranges employ a radar system that simultaneously transmits a plurality of RF pulse trains having different transmission frequencies and receives returns of the RF pulse trains reflected from a ... | 10/19/2010 |
| 7804445 | Method and apparatus for determination of range and direction for a multiple tone phased array radar in a multipath environment A system and method combine multiple data streams in an efficient and optimal manner, based on new techniques, to determine range, relative angle and velocity with respect to a point of reference. Embodiments of the present invention take advantage of the multiple d... | 09/28/2010 |
| 7692573 | System and method for classification of multiple source sensor measurements, reports, or target tracks and association with uniquely identified candidate targets A system and methods enable efficient data association of input sensor data with uniquely identified candidate targets. The methods may use information provided by a target status history database, a target geolocation history database, and a target technical charac... | 04/06/2010 |
| 7646332 | Method and apparatus for interleaved gridding in distributed multiple computing for real-time RCS prediction Apparatus and method for real-time determination of radar cross sections is disclosed using interleaved gridding. Radar cross section calculations are amenable to an implementation on parallel processors wherein the shooting window is subdivided into smaller areal u... | 01/12/2010 |
| 7626534 | Unified navigation and inertial target tracking estimation system A target tracking method uses sensor(s) producing target signals subject to positional and/or angular bias, which are updated with sensor bias estimates to produce updated target-representative signals. Time propagation produces time-updated target states and sensor... | 12/01/2009 |
| 7605747 | Method for compensating for the positional errors of a sensor A method for determining or compensating for the positional errors of a sensor tracking a target comprises the steps of operating the sensor to generate sensed information relating to the target and adding any sensor positional bias update information to produce upd... | 10/20/2009 |
| 7576682 | Method and system for radar target detection and angle estimation in the presence of jamming A method for radar target detection and angle estimation in the presence of jamming includes the steps of receiving a signal from a radar array having elements arranged in rows and columns; performing deterministic row-based beamforming on the received signal to obt... | 08/18/2009 |
| 7567203 | Classification system for radar and sonar applications A system and method for target classification for an aircraft surveillance radar is provided. In one implementation, the track classifier provides tracks with an updated probability value based on its likelihood to conform to aircraft and non-aircraft target behavio... | 07/28/2009 |
| 7554485 | Radar sensor and method for distance and cruise control A radar sensor and a corresponding method for distance and cruise control of a vehicle are described; using this sensor and method, objects in front of the vehicle in the direction of travel are detected and at least the variables: distance, relative velocity, and a... | 06/30/2009 |
| 7538715 | Electromagnetic location and display system and method An unknown location for a transmitter/receiver is determined using a calibration process. An area is established with reference receivers at known locations and a mobile transmitter provides a location signal. An alternative embodiment uses reference transmitters an... | 05/26/2009 |
| 7515094 | Advanced electromagnetic location of electronic equipment An apparatus for measuring at least one of unintentional and intentional electromagnetic emissions for at least one of enabling electromagnetic location of predetermined electronic equipment giving off such at least one of such unintentional and intentional electrom... | 04/07/2009 |
| 7460056 | Multi purpose radar surveillance system The invention discloses a radar system (100) for the detection of low RCS-objects (110, 140, 150, 160, 190) such as forest fires, said system comprising a first plurality of stations (120) for transmitting radar energy, said stations having mech... | 12/02/2008 |
| 7414570 | System and method for adaptive broadcast radar system An adaptive broadcast radar system for tracking targets is disclosed. The radar system includes a transmitter having sub-apertures and a receiver having sub-apertures. The transmitter sub-apertures generate and code a signal waveform. The signal waveform is coded wi... | 08/19/2008 |
| 7411543 | Maximum-likelihood rocket identifier A sensor suite determines location and velocity information relating to a missile threat, which is converted to missile or rocket state estimates. The state estimates are transformed into time-invariant dynamic parameters, unique for each missile type. Estimated roc... | 08/12/2008 |
| 7411539 | Method for detecting the presence of radar signal emitters, an electronic support measures unit and a system for determining the position and identity of said emitters A method for passively detecting the presence of radar signal emitters, in which an ESM unit receives radar signals with a number of antennas, each antenna covering a sector of the surrounding terrain. In order to conserve bandwidth, a technique is used, in which re... | 08/12/2008 |
| 7382312 | Syntactic target classifier Disclosed is a Syntactic Landmine Detector. The syntactic landmine detector processes a received signal from a ground penetrating RADAR which contains at least one spatial sequence, the spatial sequence containing relative spatial information locating impedance disc... | 06/03/2008 |
| 7375675 | Method and system for multiple target class data recording, processing and display for over-the-horizon radar A method and apparatus are disclosed that enable an over-the-horizon-radar (OTHR) system to detect and track multiple target classes simultaneously, where target classes are defined by the speed and acceleration of the tracked objects. The OTHR is tasked in a starin... | 05/20/2008 |
| 7375679 | Reduced state estimation with biased and out-of-sequence measurements from multiple sensors This invention relates to state estimation after processing time-delayed measurements with unknown biases that may vary arbitrarily in time within known physical bounds. These biased measurements are obtained from systems characterized by state variables and by mult... | 05/20/2008 |
| 7373198 | Method and apparatus for the estimation of anesthetic depth using wavelet analysis of the electroencephalogram A method and apparatus to monitor the neurologic state of a patient undergoing general anesthesia is provided. Previous automated systems to monitor the neurologic state of a patient undergoing general anesthesia involve a significant time delay between the patient'... | 05/13/2008 |
| 7372394 | Variable loop gain and resolution pulse system and method with point target editing capability A weather radar system is coupled to antenna. The weather radar system includes a processor for generating pulses and for processing return pulses received by the antenna. The processor generates high resolution data from the return pulses. The processor uses the hi... | 05/13/2008 |
| 7372022 | Multipath data acquisition system and method Improved data acquisition systems and methods that enable large numbers of data samples to be accumulated rapidly with low noise are described. In one aspect, a data acquisition system includes an accumulator that has two or more parallel accumulation paths and is c... | 05/13/2008 |
| 7356416 | Method and system for automated inference creation of physico-chemical interaction knowledge from databases of co-occurrence data Methods and system for automated inference of physico-chemical interaction knowledge from databases of term co-occurrence data. The co-occurrence data includes co-occurrences between chemical or biological molecules or co-occurrences between chemical or biological m... | 04/08/2008 |
| 7352321 | Determining statistical descriptors of a signal from a set of its samples An entity is subjected to an interrogating signal, and the reflection from the entity is repeatedly sampled to obtain a first set of values each dependent on the intensity of the reflected signal. A logarithmic transformation is applied to the sample values to obtai... | 04/01/2008 |
| 7345621 | Real-time multistatic radar signal processing system and method A real-time signal processing engine robustly detects, localizes, tracks and classifies ground targets based on radar signals from a multistatic radar system. The system differentiates between different targets based on an optimized cost function, which can include ... | 03/18/2008 |
| 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 sense-through-the-wall radar systems. One of the main challenges of evolving STTW s... | 03/04/2008 |
| 7340381 | Characterization of radio frequency (RF) signals using wavelet-based parameter extraction Embodiments of the present invention apply wavelets to radio frequency (RF) signals to extract specific characteristics (e.g., jitter, phase variations, frequency variations) so that their timing, phase, and frequency components can be characterized. In one embodime... | 03/04/2008 |
| 7333047 | System and method for spatially diverse radar signal processing An ultra wideband radar system for detecting objects where at least one of the radar system or the object is moving. The radar may be scanned in at least one dimension, which may include angle or range. The system includes a scan combiner that combines scan informat... | 02/19/2008 |
| 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 |
| 7333049 | Waveform ambiguity optimization for bistatic radar operation A radar transmitter is at a first location on a moving platform and illuminates a target with a sequence of frequency modulated radar pulses. The frequency modulated pulses are linear frequency modulated, i.e. chirped. The target reflects the frequency modulated rad... | 02/19/2008 |
| 7327307 | Radar system with adaptive waveform processing and methods for adaptively controlling the shape of a radar ambiguity function An adaptive waveform radar system transmits a selected waveform of a family of related waveforms and either phase shifts or bit shifts the radar return signal for correlating with the other waveforms of the family. In some embodiments, phase shifting may be performe... | 02/05/2008 |
| 7317416 | Skeletal topography imaging radar for unique individual identification A system for identifying an individual, including an imaging radar for receiving radar data pertaining to at least a portion of a skeleton of at least one individual, an imaging module for generating at least one skeletal image of the at least one individual based o... | 01/08/2008 |
| 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 |
| 7301495 | Interrupt SAR implementation for range migration (RMA) processing A moving radar (405) generates a synthetic aperture image from an incomplete sequence of periodic pulse returns. The incomplete sequence of periodic pulse returns has one or more missing pulses. The radar converts the incomplete sequence of pulse returns into... | 11/27/2007 |
| 7298314 | Near field electromagnetic positioning system and method A system and method for electromagnetic position determination utilizing a calibration process. For calibration, a transmitter is positioned at multiple locations in an area of interest and multiple receivers receive and record signal characteristics from the transm... | 11/20/2007 |
