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8184041 |
Search of an acquisition face with modified spy radar
Radar beams for searching a volume are selected by determining the central angle and azimuth and elevation extents to define an acquisition face. The number of beams NMBA required to cover the...
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8159385 |
Conductive line communication apparatus and conductive line radar system and method
A conductive line radar comprising at least one signal surface wave launcher, which comprises a signal surface wave transceiver, which is physically attached to a power line. The signal surface...
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8134493 |
System and method for precision geolocation utilizing multiple sensing modalities
A system and method for determining the geolocation of a signal emitter moving at an unknown velocity by combining signal data of a target detection platform (e.g., a radar system) and signal data...
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8130136 |
System and method for target signature calculation and recognition
The present invention is directed to a system and method for the identification of a target object in PCL radar applications. The disclosed embodiments describe the systems and methods used in the...
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8115665 |
Method and system for extending operational electronic range of a vehicle
A method and system for extending the electronic operational range of a slow vehicle, such as a ship, by using a remotely controlled unmanned faster vehicle, such as an Unmanned Aerial Vehicle...
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8115148 |
Method for targeting a preferred object within a group of decoys
Current targeting approaches involve guiding to a spatially derived guidepoint of a group of objects likely to be the preferred object. This method may not allow the intercepting missile to contain...
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8098191 |
Electronic curtain for vehicle protection
An apparatus and method for protecting against incoming projectiles comprising transmitting two radar waveforms, the first waveform comprising a pulsed continuous wave waveform, and the second...
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8089393 |
Relating target tracking
An exemplary system and method are for tracking a target in a decentralised network having a plurality of sensing nodes. Each node makes observations of a target, performs a multiple models...
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8077074 |
Networked waveform system
Certain embodiments provide a network waveform system that can include multiple radars disposed at different geographical positions within an environment. The multiple radars may be configured to...
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8054212 |
Multi-band receiver using harmonic synchronous detection
An apparatus comprises a transmitter system, a receiver system, and a processor unit. The transmitter system transmits first and second collimated beams having a first and second frequency. The...
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8044840 |
Method for surveillance of space/air space
The invention proposes utilizing the known geometry of the measurements in order to assign them to one another and to resolve ambiguities, wherein the 3D position of an object (3) in space is...
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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...
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8040272 |
Leading and lagging aperture for linear ground penetrating radar array
A radar array linearly traverses an area of ground. Additional radar elements fore and aft of the array detect changes in elevation and orientation of the array. These elements act as a preview for...
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8013778 |
High-resolution synthetic aperture radar device and antenna for one such radar
The invention relates to a high-resolution synthetic aperture radar device (10) comprising at least one transmitting antenna (TX1-TX3) for producing and emitting radar pulses for scanning an object...
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8009081 |
3D video-Doppler-radar (VIDAR) imaging system
A moving sensor suite for imaging a scene has three Doppler radars, two moving and one fixed, a fixed video camera and a fixed GPS receiver. The Doppler radars measure the relative velocities...
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7994965 |
Surveillance apparatus and method
A surveillance apparatus (100) is provided, said apparatus including a linear sub-array (101) of N omnidirectional transmitter elements (103) and a planar sub-array (102) of M receiver elements...
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7991550 |
Method and apparatus for on-vehicle calibration and orientation of object-tracking systems
A method for simultaneously tracking a plurality of objects and registering a plurality of object-locating sensors mounted on a vehicle relative to the vehicle is based upon collected sensor data,...
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7982662 |
Scanning array for obstacle detection and collision avoidance
This scanning array scans an area around the array for nearby objects, collision obstructions, and terrain topography. The scanning array can scan for sounds emitted by objects in the vicinity of...
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7978120 |
Imaging system and method
A radar imaging system for capturing an image of an object within an area of interest through at least one visual impairment. The radar imaging system comprises at least one radar array. The radar...
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7978610 |
Method for asynchronous transmission of communication data between periodically blanked terminals
A method for asynchronous transmission of communication data between periodically blanked terminals separated by an unknown distance is disclosed. A bursted signal is transmitted from a first...
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7973700 |
Dual transmitting antenna system
A vehicle system includes a signal processing module and a first antenna that provides a first transmitted signal that has a first phase. A second antenna of the system provides a second...
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7961137 |
System and method for detecting performance of a sensor field at all points within a geographic area of regard
A method for determining a path of travel of an intruder traversing an area of regard (AOR) to a predefined point, where the path of travel has a minimum probability of detection relative to other...
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7940206 |
Low-cost, high-performance radar networks
A real-time radar surveillance system comprises at least one land-based non-coherent radar sensor apparatus adapted for detecting maneuvering targets and targets of small or low radar...
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7928890 |
Phased array radar antenna having reduced search time and method for use thereof
A phased array radar antenna includes at least two antennas (11, 12, 13, 14) adapted for simultaneous operation at different non-mutually interfering frequencies. The phased array radar antenna may...
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7924213 |
Method of and device for tracking an object
A method of tracking an object including the steps of: collecting N measurements of range Ri and Doppler velocity Di associated with the object from a plurality M of radar sensors Si each...
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7898344 |
Phase-locked oscillator and multi-radar system using same
In a multi-radar system, configured comprising a plurality of radar units which generate and output signals the frequency of which increases and decreases periodically, each radar unit generates...
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7893862 |
Method and apparatus for using collimated and linearly polarized millimeter wave beams at Brewster's angle of incidence in ground penetrating radar to detect objects located in the ground
A detection system comprises a transmitter unit, a receiver, and a processor. The transmitter unit is capable of transmitting a first collimated beam having a first frequency and a second...
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7889116 |
Object detecting apparatus
An object detecting apparatus for detecting an object by a plurality of radars, with improved accuracy of identity determination and acquisition of position information in fusion of detection...
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7884754 |
Method of distributed estimation using multiple asynchronous sensors
A method and system are provided for merging data from a plurality of multiplexed measurement sources to a decision-maker. The method includes operations for receiving a corresponding plurality of...
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7868812 |
Surveillance and warning system
A system and method for providing entry-point, boundary-line, and presence intrusion detection by means of an intelligent controller process capable of driving both field alert/alarm systems and...
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7864098 |
Radar device and method for adjusting among radar sites
A radar device includes a generation unit, a transmission unit, and a control unit. The generation unit selectively generates a set of a plurality of transmission signals whose center frequencies...
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7800527 |
System and method for standoff detection of human carried explosives
The system and method for standoff detection of human carried explosives (HCE) automatically detects HCE (112) up to a range of (200) meters and within seconds alerts an operator to HCE (112)...
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7786925 |
Determination of the outline of an elevated object
A method and apparatus determines the shape of an orbiting or airborne object. A radar determines the general location and a telescope is directed toward the object to form an image of background...
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7777668 |
Radar altimeter with forward looking radar and data transfer capabilities
A navigation system having a radar altimeter is disclosed. The navigation system comprises a signal processing unit and one or more antennas in operative communication with the radar altimeter and...
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7737879 |
Split aperture array for increased short range target coverage
A phased array radar system comprising a plurality of radiating elements configured in a common array aperture for detecting and tracking targets; and a transmit and receive arrangement responsive...
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7737880 |
Microwave and millimeterwave radar sensors
A radar sensor system and method for vehicles. An example radar system includes a processor, a plurality of transceivers having antenna(e). The antenna of the transceivers are located at various...
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7728759 |
System and method for using iridium satellite signals for meteorological measurements
A method for obtaining weather related information for a portion of the Earth's atmosphere between a mobile platform traversing over a predetermined surface portion of the Earth, and at least one...
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7719461 |
Track fusion by optimal reduced state estimation in multi-sensor environment with limited-bandwidth communication path
The invention, called “ORSE Track Fusion”, combines sensor tracks from dispersed sites, when limited communication bandwidth does not permit sharing of individual measurements. Since estimation err...
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7679562 |
Target detection apparatus and system
A target detection apparatus that includes a transmission/reception device for generating a transmission signal for detection of a target, and extracting distance information about the target from...
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7675458 |
Dual beam radar system
Various embodiments are described herein relating to a radar system and associated methods for detecting targets in the presence of certain types of clutter. The radar system generally comprises...
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7671784 |
Computerized tomography using radar
Techniques for detecting contraband are described, as are techniques for generating an image of living tissue. A location of interest relative to a target space is received, and a radar signal is...
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7664600 |
Obstacle detection device
Each of plural detection units performs a signal transmission-reception operation responding to at least one of a plurality of kinds of operation timing signals repeated at a predetermined...
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7642949 |
Illumination source for millimeter wave imaging
Methods and apparatuses of scene illumination for millimeter wave sensing are presented. One embodiment features illuminating a subject with millimeter wave radiation produced by at least one...
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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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7592945 |
Method of estimating target elevation utilizing radar data fusion
A collision avoidance system for reducing false alerts by estimating the elevation of a target, includes short and long range single-dimensional scanning radar sensors having differing ranges and...
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7589665 |
Multistatic method and device for radar measuring a close distance
A multistatic detection device for measuring a distance to an object includes a transmitter and a receiver, each having a high-frequency oscillator and a pulse generator. The pulse generators can...
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7570196 |
Apparatus, method, computer program product and system providing asynchronous transmission of communications data using time-gated techniques
A method, computer program product, apparatus and system are provided. In one exemplary embodiment, a method includes: receiving at a second unit periodic energy bursts transmitted by a first unit;...
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7554484 |
Object detection system
An object detection system, in particular for a motor vehicle, has multiple object detectors and/or operating modes with which different detection ranges and/or detection zones are detected. In...
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7551121 |
Multi-target-tracking optical sensor-array technology
The multi-target tracking and discrimination system (MOST) fuses with and augments existing BMDS sensor systems. Integrated devices include early warning radars, X-band radars, Lidar, DSP, and MOST...
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7541968 |
System and method for detecting an intruder using impulse radio technology
An intrusion detection system and method are provided that can utilize impulse radio technology to detect when an intruder has entered a protection zone. In addition, the intrusion detection system...
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