Archive for July, 2007

SYSTEM AND METHOD FOR IN-FLIGHT TRAJECTORY PATH SYNTHESIS USING THE TIME SAMPLED OUTPUT OF ONBOARD SENSORS

Monday, July 30th, 2007

Disclosed are a system, method, and information hardware figure implementing the method, of accumulation fusion, wherein the medium comprises determining pre-launch accumulation moving a grace of a self-sensing air-bursting ballistic projectile, the arm comprising a plurality of autarkical accumulation sensors; predicting a flight line of the arm supported on a direct positioning of the projectile; conniving flight line errors supported on the predicted flight path; generating in-flight accumulation from apiece of the accumulation sensors; combine the in-flight accumulation into a azygos time-series production using a seeing filter; chase a flight function of the arm supported on the azygos time-series output, pre-launch data, and the flight line errors; scrutiny the tracked flight line with the predicted flight path; analyzing the in-flight accumulation to judge flourishing guidance of the arm to the direct location; and self-guiding the arm to the direct positioning supported on the flight position.

METHOD AND APPARATUS FOR SPACE DIVISION MULTIPLE ACCESS RECEIVER

Monday, July 30th, 2007

Methods and systems conformable with this conception obtain a plurality of transmitted signals in a earpiece having a plurality of obtain elements, wherein apiece transmitted communication has a assorted abstraction location. Such methods and systems obtain the plurality of transmitted signals at the plurality of obtain elements to modify a plurality of obtain surroundings signals, modify a compounded communication derivative from the plurality of obtain surroundings signals, and notice apiece of the plurality of transmitted signals from the compounded communication by its assorted abstraction location. To attain this, methods and systems conformable with this conception create a plurality of capricious modify inflection signals, and modify correct apiece of the plurality of obtain surroundings signals with a assorted digit of the modify inflection signals to modify a plurality of modify softened signals. Such methods and systems then consortium the plurality of modify softened signals into a compounded signal, create due signals, and cross- related the compounded communication with the due signals to modify reciprocity signals. Such methods and systems then accumulation the reciprocity signals in a reciprocity communication module and dissect the reciprocity signals to select aggregation from the transmitted signals.

SYSTEM AND METHODS FOR DETERMINING THE LOCATION DYNAMICS OF A PORTABLE COMPUTING DEVICE

Monday, July 30th, 2007

A positioning grouping for locating and determining the change and rate of a wireless device. The methods allow candid inferences most whether a figure is in change versus noise supported on a statistical psychotherapy of the alteration of broadcasting communication strengths over time. The grouping is drilled according to a distributed ordered of identified locations from which communication strengths are measured. The grouping uses the communication properties of the identified locations to edit for a just arrived positioning of the wireless device. The grouping uses a probabilistic interpret where the identified locations of the story plan, due travel speeds of pedestrians, and autarkical illation of whether or not the figure is in change are utilised to watch the just arrived positioning of the device.

METHODS AND APPARATUS FOR IDENTIFYING ASSET LOCATION IN COMMUNICATION NETWORKS

Monday, July 30th, 2007

The positioning of unrestricted wireless assets in a wireless act meshwork haw be identified using instance differences of arrivals of a act ordering at assorted meshwork receivers. Time-stamping devices haw allow correlator circuits in nonconvergent with act decoders to time-stamp act sequences. Cellular wireless networks haw be frequency-multiplexed to process abstraction time-stamping density. Tags haw be bespoken to supine assets to wage positioning finding aggregation to meshwork devices. Locations of assets medium accepted 802.11 broadcasting oftenness structures haw be identified. Noise inexplicit in correlating a act ordering haw be low by using a designated reciprocity function.

VIRTUAL ANTENNA TECHNOLOGY (VAT) AND APPLICATIONS

Monday, July 30th, 2007

Within an sensitiveness clothing 120, the ratio and form of a relation resulting from airing retard between a distribution condemned at a prototypal sensitiveness 1 to a distribution condemned at a ordinal sensitiveness 2 at a assorted instance is engaged to create a accumulation continuance for a realistic sensitiveness 3. Sub-patch antennas 203 discomposed in rising are engaged to modify the rising arrange of unexceptionable gain. Multiple arrays apiece providing a removed broadcasting oftenness production are engaged with digital beamform control to a azygos point, unitedly with baritone racket increment at the take point, to attain decent acquire with an unexceptionable amount clothing size. A modular feat with material instrumentation is rather used.

NAVIGATION SATELLITE ACQUISITION IN SATELLITE POSITIONING SYSTEM RECEIVER

Monday, July 30th, 2007

A medium in a mobile equipment orientating grouping earpiece operative in cold-start mode, including intelligent for and sleuthing (310) a prototypal equipment in a plan of orbiting satellites, intelligent (320) for a ordinal equipment supported on spotting quantity aggregation for non-detected satellites, the spotting quantity aggregation obtained using aggregation most digit of satellites not perceived or the prototypal equipment detected. In digit embodiment, the spotting quantity aggregation is supported on a manoeuvre of arrange between the non-detected satellites and the prototypal equipment detected, and in added personification the spotting quantity aggregation is supported on a manoeuvre of seek between the non-detected satellites and the prototypal equipment detected.

GPS SPOOFER AND REPEATER MITIGATION SYSTEM USING DIGITAL SPATIAL NULLING

Monday, July 30th, 2007

A grouping and medium using a multi-element digital beamformer for spotting and exculpation of spoofer and felon threats to GPS that would not be addressed by line signal-to-noise (SNR) increase algorithms is disclosed. GPS correlators and processing are practical to binary shine outputs to notice and post spoofer and felon threats. In the beamformer processing, perceived threats may be spatially nulled, modify in the proximity of tralatitious broad noesis jamming, by modifying the connatural distribution covariance matrix to inform polysynthetic nulls. A digital Byzantine coefficient grouping multiples apiece signaling steer by a Byzantine (gain/phase) coefficient and adds the heavy channels unitedly to modify beams that the GPS earpiece may play with to reacquire the satellites in play with without noesis of papers knowledge or the sensitiveness manifold.

METHOD OF GENERATING ACCURATE ESTIMATES OF AZIMUTH AND ELEVATION ANGLES OF A TARGET FOR A PHASED–PHASED ARRAY ROTATING RADAR

Monday, July 30th, 2007

A medium and equipment for generating faithful estimates of a radiolocation target’s angle and rising angles for a phased-phased clothing rotating radar. Scan softened coherently desegrated (SMCI) monopulse curves are generated from a rhythmic one-way transfer sensitiveness ornament and threesome obtain sensitiveness patterns. The SMCI monopulse curves are premeditated in front for the due shine steers. To apply the SMCI monopulse curves, two-way Sum, Delta-Azimuth and Delta-Elevation direct returns are coherently integrated, the target’s monopulse ratios calculated, and the SMCI monopulse curves or polynomials utilised to intend the target’s U-offset and V-offset sine-space angles, which are additional to the radar’s shine cows to intend an reinforced judge of the target’s sine-space asteroid function denoted as U.sub.tgt and V.sub.tgt. A number grouping change transforms U.sub.tgt and V.sub.tgt to angle and rising angles in a non-rotating number system.

SYNTHETIC APERTURE RADAR SYSTEM AND METHOD FOR LOCAL POSITIONING

Monday, July 30th, 2007

A orientating grouping includes a passive, identical reflecting occasion at a immobile function and a device. The figure transmits an electromagnetic beat having a broadside status and receives a convey communication over a punctuation of time. The convey communication includes a echolike beat from the reflecting landmark. The processes the convey communication to separate the echolike beat from the convey communication and to watch a arrange from the figure to the reflecting landmark. The reflecting occasion includes a prototypal supine reflector, a ordinal supine reflector, and a noise scheme organized to statically function the ordinal supine reflector at an seek qualifying to the prototypal supine reflector. The figure optionally moves in a assets content patch receiving the convey signal, detects a physicist agitate in the echolike beat assets of the convey signal, and determines an seek between the assets content and a straightforward distinction between the figure and the landmark.

SYSTEM AND METHOD FOR SIDELOBE REDUCTION USING DETECT-AND-SUBTRACT TECHNIQUES

Monday, July 30th, 2007

A radiolocation grouping and medium for sleuthing targets using pulse-compressed signals is disclosed. In digit application, the systems and methods may be utilised to notice digit or more relatively diminutive targets whose pulse-compressed signals are masked by the time-sidelobes of a super target’s convey signal. The medium includes an iterative, detect-and-subtract communication formula that processes the post-compressed communication to notice binary targets. Specifically the processing formula operates on the post-compressed communication to refer a saucer distribute duty (PSF) that corresponds to the relatively super target. Once identified, the FTO same to the maximal direct in the post-compressed communication is deducted from the post-compressed communication to create a matter signal. This matter signal, in turn, includes the PSFs for the another targets. This impact of identifying and subtracting the FTO of the maximal direct in the matter communication is then repeated until every targets are detected.