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WO/2005/069905A2 |
Methods and apparatus are presented that reduce the overall system cost for automotive radar sensing applications through reduction of the number of the radar sensors required. In accordance with aspects of the present invention, one way...
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WO/2005/069197A1 |
A target detection and tracking system provides adaptive image processing for an IRST sensor system. The adaptive image processing includes an adaptive spatial filtering (104) technique that uses high-pass filtering (206) and adaptive th...
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WO/2005/069250A1 |
An apparatus and method for combining the functionality of multiple airbone traffic surveillance systems that operate in the L-band frequency range. The apparatus and method combine the functionality of both a Traffic Alert Collision Avo...
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WO/2005/067615A2 |
The present invention relates to a vehicle mountable satellite antenna which is operable while the vehicle is in motion. The satellite antenna of the present invention can be installed on top of the the roof of a vehicle. The antenna is ...
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WO/2005/064265A2 |
Methods, computer-readable media, and systems for externally cued aircraft warning and defense are disclosed. A surveillance system (110) may include a sensor field or array (114) and may include a processor system (116) that processes s...
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WO/2005/060346A2 |
A positioning system for determining an angular position of a vehicle (10) with respect to a predetermined position. The system comprises at least one beacon (12) whose position relative to the predetermined position is known, for genera...
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WO/2005/059584A1 |
A method of determining an azimuth and elevation of a radiation emission source using a single-axis direction finding system is provided. The method includes receiving a plurality of radiation signals at the single-axis direction finding...
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WO/2005/054892A1 |
The invention relates to a method for detecting targets emitting waves of signals received from a receiver remote from the target in an environmental communications medium. The aim of said invention is to reliably detect the targets, on ...
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WO/2005/052631A1 |
The invention relates to target detection engineering and to determination of a target direction. Said invention makes it possible to detect a target when the configuration and direction of a received signal are unknown. The inventive me...
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WO/2005/050972A2 |
A video surveillance system comprises a sensing unit (21) capable of being operated in a first mode and second mode and a computer system (22) coupled to the sensing unit (21). The computer system (22) is adapted to receive and process i...
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WO/2005/047928A1 |
A signal detector system (10) comprises a single signal detector (11) having a limited on-time during which any received electromagnetic signal can be assessed. The signal detector (11) receives electromagnetic signals from a single dire...
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WO/2005/045459A2 |
In an interferometer system, a revolving antenna array is used to sufficiently resolve all ambiguities in determination of frequency and direction of arrival of a wave-front. The frequency and direction of arrival are determined by match...
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WO/2005/045467A1 |
The invention relates to a method for localising at least one emitter or source moving in relation to a sensor network, said method comprising an emitter (source) separation step in order to identify the direction vectors associated with...
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WO/2005/043933A2 |
Systems and methods for allowing the location of transmitter to be determined (approximated) without requiring its distance from a receiver to be precisely known. Methods for determining a location of a transmitter without precise distan...
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WO/2005/036696A1 |
The invention relates to antennae systems wherein a plurality of individual antennae (A1 An) that are respectively embodied as multiport circuits (S1,S2; D1 Dn) are interconnected as antennae paths. Information on the complex structure o...
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WO/2005/034379A1 |
The present invention relates to a method for extracting space feature of CDMA wireless communication and estimating signal arrival direction can avoid to be effected by signal dependency and space between signal arrival direction. The m...
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WO/2005/026767A1 |
According to the invention, an image (4) with a form (6) of the object is recorded, for the purpose of measuring the direction to said object, the further surveying of which will follow. In order to achieve an optimum stability for the a...
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WO/2005/024455A1 |
A method of and apparatus for passively determining agile-frequency-emitter location and computer-readable medium bearing instructions therefor. Unless a specified accuracy threshold is met or exceeded, phase, frequency, and baseline pos...
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WO/2005/024454A2 |
A discrete three-dimensional receiving element (100) has multiple sensors (101) scattered over its surface to detect and locate a signal (206). The sensors facing the signal detect the signal, and a boundary line (205) is drawn between t...
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WO/2005/024461A1 |
The invention concerns the resolution of directional information in sonar arrays. In particular it concerns a method for resolving such directional information, which may be useful in hydrographic surveys. The method comprises the steps ...
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WO/2005/022194A2 |
Signals from an object in a field of view are detected by an array of directional sensors and “re-converged” to create a three-dimensional image as the object changes contrast or moves relative to the sensors. Each sensor is oriented...
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WO/2005/022884A2 |
The invention relates to systems for remotely controlling sound and image parameters of radio and television receivers, music centres, information display systems, in particular for controlling parameters of reproducible stereo programs ...
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WO/2005/017540A1 |
Position detecting device, comprising a photo detection element array having n segments and a parallel arithmetic processing portion that is arranged to identify the segment having maximum intensity by comparing the output values (OV) fr...
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WO/2005/015760A1 |
A radio receiver is provided that includes a front-end circuit operable to receive radio signals transmitted across a frequency band and generate an analog signal corresponding to a plurality of channels within the frequency band. Also i...
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WO/2005/015755A2 |
A system (105) determines a power level for transmitting to a neighboring node in a wireless network. The system (105) receives a message indicating a three-dimensional position and orientation of the neighboring node and a type of direc...
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WO/2005/015767A1 |
Disclosed are systems and methods which provide for location positioning in wireless networks using techniques which are adapted to provide reliable location determinations even in complex topological environments. Embodiments utilize mu...
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WO/2005/015369A2 |
A system and method for predicting passive, high-frequency sonar array performance at any underwater location, implemented as a software package running on a computer. An operator selects an arbitrary geographical location, specifies a s...
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WO/2005/012934A1 |
An attitude system that includes a radiating means which moves predeterminately through three-dimensional space, such that a cyclic Doppler is superimposed upon a transmitted signal; receiving this transmitted signal through a receiving ...
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WO/2005/011047A2 |
Within an antenna array 120, the magnitude and phase of a relationship resulting from propagation delay between a sample taken at a first antenna 1 to a sample taken at a second antenna 2 at a different time is employed to derive a data ...
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WO/2005/010550A1 |
Direction finding by radio comprises arranging an array of antennas (12), to receive signals from emitters, selecting individual antenna signals using a first multipole switch (SW1) and determining antenna signal strengths. Individual an...
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WO/2005/010547A2 |
An aircraft (120) has a spectral imager (122) along with a panchromatic imaging machanism (22) in order to image the scene. A processor (124) implements the algorthms for spectral image processing in which a first spectral image and a se...
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WO/2005/008275A1 |
A control for an optical device, such as an auto-darkening lens (ADL), such as used in welding helmets, respirators, or other device, includes a sensor sensing the direction of incident light and a control circuit responsive to incident ...
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WO/2005/008274A1 |
A receiver includes a controller which receives A/D sampled input signals and shifts the sampled digital signal to compensate for Doppler effect in the input signal prior to demodulation. The controller compensates for a Doppler increase...
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WO/2005/003814A2 |
A sensor (100) for determining a component of a location of a radiation source (122) within a three dimensional volume includes a mask (102) having a series of openings (110, 112) that has a predetermined mathematical relationship among ...
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WO/2005/001508A1 |
A method for reducing effects of terrain return fading due to summation of out of phase radar returns in determining locations of radar targets (48) is described. The method comprises determining an interferometric angle, Φ, to a radar ...
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WO/2005/002070A2 |
Correlation Interferometer Geo Location (CIGL) uses DF antenna array movement on an aircraft while taking a Plurality of sets of transinitted signal Measurements. Each measurement set is stored as data in a covariance matrix, and the mat...
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WO/2005/001504A1 |
L sets of subarray are formed by selecting antenna elements the number of which is at least q equal to the number of multiplexed signals from the front of an equiinterval linear away antenna. The antenna elements of one set of subarrays ...
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WO/2004/111584A2 |
A radiation detection apparatus (200) comprises a radiation detector (210) and a lens arrangement (218). The lens arrangement (218) comprises a polarising element (220) and an optical corrector (222). The optical corrector (222) is prefe...
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WO/2004/111943A1 |
Disclosed is a method for locating and tracking objects (14) by electronically evaluating a sequence of video images on board a motor vehicle. Said method comprises the following steps: a) a search field (24) is determined in the video i...
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WO/2004/105396A1 |
A method for identifying bad pixels in a matrix imaging sensor comprises moving the matrix sensor in a prescribed motion with respect to a background landscape (fig. 1, 10), acquiring a combined image of the landscape, and identifying ba...
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WO/2004/104626A1 |
The invention relates to an image-acquisition module which is intended for monitoring the external environment of a vehicle. The inventive image-acquisition module consists of: a casing (1), the interior of which is protected at least ag...
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WO/2004/104620A1 |
An incoming radio wave is received by array antenna elements which constitute an array antenna, and the correlation between received data of some array antenna elements is calculated to define a correlation matrix which does not undergo ...
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WO/2004/102368A2 |
The invention relates to a wireless system with automatic electric recharging. The inventive system consists of: a mobile element (1) containing a battery, e.g. a rechargeable battery; and a fixed charging cradle (2) comprising (i) charg...
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WO/2004/102083A1 |
A tracking system for tracking an object, the system having a first axis and a second axis perpendicular to the first axis. The first axis is at an angle to the vertical such that the object (or equivalently its path) does not intersect ...
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WO/2004/100274A1 |
Disclosed is a unit for focusing solar radiation onto a micro solar cell (4). An optical device (3) and a micro solar cell (4) are disposed inside said unit. Incident sunlight can be focused onto the micro solar cell by means of the opti...
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WO/2004/097449A1 |
Techniques for determining the angles of arrival of multiple simultaneous cochannel sources using only a single RF receiver sampling and downconversion channel is disclosed. This is accomplished by sequentially forming several known mixt...
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WO/2004/095732A1 |
A method of separating mixed wireless signals is provided. The method includes receiving, at an antenna comprising a first quantity of antenna elements, mixed signals comprising a mixture of source signals communicated from a second quan...
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WO/2004/093245A2 |
An electronic scanning radio direction finding system (1) for accurate direction finding of radio frequency signals using singly or doubly flared cylindrical reflectors (2) surrounded by a circular array of inwardly facing feed horns (9)...
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WO/2004/090567A1 |
It is known to use Bragg's law to determine the angle at which a plane wave of electromagnetic radiation is incident on a pair of detectors once the frequency of the radiation, the spacing of the detectors and the phase difference of the...
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WO/2004/088351A1 |
A device and a method for determining a position of an Underwater Vehicle (UV) relative to a second underwater object (500). The device comprises light sources (LS1-LS10) on at least the second underwater object (500), and light sensing ...
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