Matches 101 - 150 out of 314 < 1 2 3 4 5 6 7 >
Match Document Document Title
6859546 Image detection apparatus, program, and recording medium  
An image detection apparatus for detecting a target in an input image includes a database storing a target data unit, which includes information specifying the target to be detected, used color...
6856272 Methods and apparatus for detecting threats in different areas  
Methods and apparatus for early detection and identification of a threat such as individuals carrying hidden explosive materials, land mines on roads, etc. are disclosed. Methods comprise...
6850186 System for determining position and velocity of targets from signals scattered by the targets  
The present invention relates to a system for using signals scattered by targets to determine position and velocity for each of the targets and comprises a set of transmitters and receivers of...
6825796 Radar system using two-dimensional scanner  
A radar apparatus comprises a signal transmitter device that transmits a signal, a scanner that two-dimensionally scans a target object using the signal transmitted from the signal transmitter...
6825792 Missile detection and neutralization system  
The present invention is intended to provide a system for determining the precise launch point of ballistic missiles, and may additionally provide the capability of neutralizing said threats. The...
6816109 Method for automatic association of moving target indications from entities traveling along known route  
A method for automatic association of moving target indications from at least one entity traveling along a route. A moving target indicator radar is used to detect a plurality of moving target...
6801155 Method and apparatus for recognising a radar target  
A method of recognizing a radar target comprises producing a sequence of Doppler spectra of radar returns form a scene and producing therefrom a sequence of Doppler feature vectors for a target in...
6791487 Imaging methods and systems for concealed weapon detection  
Imaging methods and systems for concealed weapon detection are disclosed. In an active mode, a target can be illuminated by a wide-band RF source. A mechanically scanned antenna, together with a...
6771205 Shipboard point defense system and elements therefor  
A combined defense and navigational system on a naval vessel is disclosed. The disclosed system includes a track-while-scan pulse radar which is controlled to provide either navigational...
6765522 Automatic recognition of radar scan type  
A system for determining the scan type of a signal, such as a radar signal, includes a scan detector, a transformer (e.g., an FFT algorithm), a correlator, and a decision block. The signal is...
6765523 Stationary object detection method for use with scanning radar  
A stationary object detection method for a scanning radar wherein, of peaks generated based on a radar signal reflected from a target, peaks having substantially the same frequency are grouped...
6756934 Target shadow detector for synthetic aperture radar  
Targets imaged by radar systems typically have shadows associated with them. Target detection and identification is enhanced by analyzing the shadow characteristics of a suspected target. Features...
6756935 Full polarization ground moving target indicator radar automatic target detection algorithm  
A method, apparatus, and system for automatic detection of targets from radar data are disclosed. Ground moving target indicator radar is used to collect radar data which is then filtered to...
6750805 Full polarization synthetic aperture radar automatic target detection algorithm  
A method, apparatus and computer-readable medium having stored thereon instructions for automatic detection of desired targets from radar data are disclosed. For each working point in a set of...
6738012 Protecting commercial airliners from man portable missiles  
A commercial airliner ( 10 ) carries a sensor that detects a characteristic ( 21 ) associated with a man portable missile ( 20 ). Raw sensor data is transmitted via a wireless data-link ( 41 ) to...
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”...
6720905 Methods and apparatus for detecting concealed weapons  
Methods and Apparatus for early detection and identification of a threat, and alerting against detected threats, such as individuals wearing or carrying explosive materials and/or weapons, e.g.,...
6684149 Vehicle control method and vehicle warning method  
In order to occur a collision warning to prevent the collision in accurate by detecting the preceding vehicle or target, a vehicle lane position estimation device comprising a means for measuring a...
6677890 Distributed elevated radar antenna system  
An airborne radar antenna system for detecting a target in a volume includes a tethered aerostat and an antenna that is supported above ground by the aerostat. The aerostat-based antenna is used...
6653973 Adaptive digital beamforming radar method and system for maintaining multiple source angle super-resolution capability in jamming  
A method and system for are provided for detecting one or more radar targets of interest in the presence of jamming signals. A plurality of sub-arrays are formed from an antenna array. Sub-array...
6643588 Geometric based path prediction method using moving and stop objects  
A method for estimating the curvature in a road is disclosed. The method measures an azimuth angle range and relative velocity between a host and a target vehicle, which determines whether a host...
6617998 Short pulse automatic ranging anti-ship missile fuze  
An active short pulse fuze system for arming on a true target acquisition and firing only on the loss of the acquired target signal. The sea surface is tracked by means of a sea tracking loop A...
6597305 Hazard and target alerting for weather radar  
A system, method, and computer program product for alerting a flight crew of weather radar return data collected, yet not presently being displayed. The system includes a memory, a processor, and...
6580388 Calculation methodology for complex target signatures  
A monostatic radar signature is estimated of a sample object which is made of the same material as the target object. Using this monostatic radar signature estimation, the radar cross-section (RCS)...
6552679 Track grouper  
There is provided a method for tracking a group having at least two targets. The method may comprise selecting the at least two targets from a plurality of targets. The at least two targets may be...
6532191 System and method for target tracking and motion anyalysis  
A method for improving the determination of tracking and motion analysis information obtained from a set of received data points is presented. The method comprises selecting a determined number of...
6531979 Adaptive time-compression stabilizer  
Circuit for stabilizing the spectral extent of a varying signal containing harmonically related frequency components and having particular utility in the spectral analysis of radar return for the...
6529157 Radar signature evaluation apparatus  
An improved radar signature evaluation apparatus for measuring and evaluating the radar signature for an aircraft, missiles, and other vehicle. The radar signature apparatus includes an...
6518916 Object recognition apparatus  
This invention relates to an object recognition apparatus. This apparatus comprises an antenna which emits transmission beams toward a plurality of directions; a receiving circuit which receives...
6498581 Radar system and method including superresolution raid counting  
A system identifies a number of targets within a main beam of an antenna array that transmits the main beam and receives echo returns from the main beam. A covariance matrix is generated using the...
6498580 Missile launch point estimation system  
In a system for estimating the launch point of a missile, Doppler shifted signals reflected from the missile as it travels from its launch point are used in a Kalman filter to estimate the missile...
6492936 Frequency spectrum analyzer  
Circuitry and technique for improving the analysis of a signal, such as radar return, by eliminating the effects of frequency variations of the carrier and thereby stabilizing the modulation...
6490571 Method and apparatus for neural networking using semantic attractor architecture  
A semantic attractor memory uses an evolving neural network architecture and learning rules derived from the study of human language acquisition and change to store, process and retrieve...
6437728 A-scan ISAR target recognition system and method  
A target recognition system and method wherein only target amplitude data, i.e., coherent A-scan data, is interrogated at each of a plurality of range resolution cells along the radar line of sight...
6411251 Method for measurement of the radar target cross section of an object with both moving and fixed parts  
The invention relates to a method for measurement of the radar target cross section of an object with both moving and fixed parts, which method comprises a first measurement with high frequency...
6404380 Method and system for tracking multiple regional objects by multi-dimensional relaxation  
A method and system for real-time tracking of objects are disclosed. A region is repeatedly scanned providing a plurality of images or data sets having points corresponding to objects in the region...
6396433 Talking buried object detector  
A spoken word-producing detector identifies objects by comparing signatures of detected objects with stored signatures of known objects. When the signatures compare, the detector produces stored...
6377205 Method and device for classifying overhead objects  
The present invention relates to a method for classifying objects detected by a vehicle mounted radar located in front of said vehicle for transmitting a radar microwave signal and for receiving...
6373426 Radar station and radar system comprising at least two such stations  
The invention relates to a radar station placed on the surface of the earth, and to a radar system comprising at least two such radar stations. The signal-processing equipment of the radar...
6362775 Precision all-weather target location system  
An apparatus to determine the three-dimensional location of an airborne platform relative to a target area using two separate antenna assemblies positioned on the airborne platform. The first...
6359582 Concealed weapons detection system  
A weapons detector ( 12 ) and method utilizing radar. The system comprises a transmitter ( 27 ) for producing an output ( 14 ) of frequencies of a set of self-resonant frequencies of weaponry; an...
6356229 Method for processing radar signals  
A method for procession radar signals for a radar arrangement which is moving in relation to its environment, in particular a road vehicle radar due method include analyzing a plurality of object...
6344818 Apparatus and method for the detection of materials  
A device to detect the presence of a target material comprising a source module and detector module. The source module includes a generator to producing a source signal corresponding to a...
6337654 A-scan ISAR classification system and method therefor  
A target recognition system and method wherein only target amplitude data, i.e., coherent A-scan data, is interrogated for target recognition. Target aspect angle is ignored within the angular...
6304828 System and method for calibrating a signal detection threshold circuit  
The system and method for calibrating a signal detection threshold circuit is used in a radio frequency (RF) receiver, such as a in an early warning radar (EWR) system, in which a signal detection...
6301370 Face recognition from video images  
The present invention is embodied in an apparatus, and related method, for detecting and recognizing an object in an image frame. The object may be, for example, a head having particular facial...
6292592 Efficient multi-resolution space-time adaptive processor  
An image processing system and method. In accordance with the inventive method, adapted for use in an illustrative image processing application, a first composite input signal is provided based on...
6292737 Preceding vehicle follow-up control system  
A vehicle follow-up control apparatus includes a distance sensor sensing an actual vehicle-to-vehicle distance from a controlled vehicle to a preceding vehicle, a vehicle speed sensor sensing an...
6292136 Multi target tracking initiation with passive angle measurements  
The present invention is in general related to tracking of multiple targets by means of measurements by various sensors. In particular the invention provides procedures for track initiation during...
6278401 Target type estimation in target tracking  
The present invention is in general related to target type estimation in target tracking systems. The invention enables a low complexity estimation of target type, using, e.g. ESM sensor data, by...
Matches 101 - 150 out of 314 < 1 2 3 4 5 6 7 >