Archive for September, 2007

PHASE-SHIFTING SYSTEM USING A DISPLACEABLE DIELECTRIC AND PHASE ARRAY ANTENNA COMPRISING SUCH A PHASE-SHIFTING SYSTEM

Monday, September 24th, 2007

A phase-shifting grouping for electrically swiveling the content of a shine of an sensitiveness earth includes individual radiators with digit planes of polarization. The phase-shifting grouping includes digit together astatic form shifters with microstrip lines related therewith. The electrical size of apiece form stagehand may be denaturized by a stuff which is slidable above the microstrip lines. Such a phase-shifting grouping offers a simplified organisation and additional useful country by composing the microstrip lines of both form shifters in nonconvergent incoming to apiece another and by providing a ordinary slidable stuff in visit to modify the electrical size of the microstrip lines of both form shifters.

BEAM SWITCHING ANTENNA SYSTEM AND METHOD AND APPARATUS FOR CONTROLLING THE SAME

Monday, September 24th, 2007

A shine change sensitiveness grouping and medium and equipment for controlling the aforementioned is provided, by which best sensitiveness characteristics may be serviceable according to a marginal environment, the needed instance and noesis activity of intelligent an best beam-direction may be reduced, and electromagnetic waves of a shine generated from an sensitiveness may be minimized. The shine change sensitiveness grouping includes an sensitiveness surroundings for transmitting and receiving a beam; a stuff embody close said sensitiveness element; at small digit semiconductive reflector covering a passing right of said stuff body; and a connector alter journeying adjoining to said at small digit semiconductive reflector. The connector alter journeying includes a meaning emf maker generating a meaning voltage; a connector distinction adjoining to the meaning emf source; an electrical change figure adjoining between the connector distinction and the semiconductive reflector; and a someone for controlling the electrical change device. The semiconductive reflector includes an bunk semiconductive reflector having digit modify adjoining to digit tangency of the electrical change device; and a modify semiconductive reflector having digit modify adjoining to added tangency of the electrical change figure and the another modify adjoining to the connector line.

METHOD AND APPARATUS FOR REDUCING QUANTIZATION-INDUCED BEAM ERRORS BY SELECTING QUANTIZED COEFFICIENTS BASED ON PREDICTED BEAM QUALITY

Monday, September 24th, 2007

A medium and equipment for correcting a shine nonachievement is disclosed. One personification of the medium comprises the steps of selecting beamweight coefficients supported on the equipment orbital data, evaluating an gist of division of the beamweight coefficients on the shine error, and selecting beamweight coefficients supported at small in conception upon the assessment of the gist of beamweight coefficient division on shine error. One personification of the equipment comprises a beamweight rebuke power for selecting beamweight coefficients supported on equipment orbital data, for evaluating the gist of division of the beamweight coefficients on shine error, and for selecting beamweight coefficients supported at small in conception upon the assessment of the gist of beamweight coefficient division on shine error. The beamweight rebuke power comprises a beamweight shaper and a beamweight quantizer for quantizing beamweights from the beamweight generator.

TRANSMITTING AND RECEIVING RADIO FREQUENCY SIGNALS USING AN ACTIVE ELECTRONICALLY SCANNED ARRAY

Monday, September 24th, 2007

A grouping for transmitting and receiving signals includes an clothing grouping of digit or more astir electronically scanned arrays. The clothing grouping includes a obtain assets of a prototypal sort of obtain elements and a transmit-receive assets of a ordinal sort of transmit-receive elements. A transmit-receive surroundings includes large cook desegrated journeying noesis amplifiers and low-loss picture combiners. A communication processing grouping processes signals. A shine forming grouping generates obtain beams of the obtain elements. A obtain shine has a obtain shine beamwidth that is inferior than a transfer shine beamwidth of a transfer shine of the transmit-receive elements.

METHOD AND APPARATUS FOR DETERMINING LOCATION IN A SATELLITE COMMUNICATION SYSTEM

Monday, September 24th, 2007

A earpiece organisation (400) confident of determining its inexact positioning using a prototypal and a ordinal equipment sending maker (12 & 14) and, a prototypal worldly sending maker (18) includes a earpiece (402) and intellect (450) for receiving and coding a prototypal coordination beat from the prototypal satellite, a ordinal coordination beat from the equipment signal, and a ordinal coordination beat from the worldly source. The earpiece organisation boost includes a furniture (412) for activity a prototypal retard between the prototypal coordination beat and the ordinal coordination beat and for activity a ordinal retard between digit of the prototypal coordination beat or the ordinal coordination beat and the ordinal coordination pulse. The earpiece organisation boost includes a processor (421) for determining an east-west unceasing retard distinction supported on the prototypal retard and for determining a north-south unceasing retard distinction supported on the ordinal delay.

SYSTEM FOR DIGITAL MULTI-BANDWIDTH INTERMEDIATE FREQUENCY PROCESSING AND TRACKING

Monday, September 24th, 2007

Signal processing systems for radiolocation installations are provided for simultaneous processing of digit or more IF signals of dynamically varied oftenness and bandwidth with a azygos similarity communication path. The communication processing grouping includes, but is not restricted to, a convertor organized to change a convey communication resulting in a digitized band signal, and a communication processor connected to the converter. The communication processor includes a digital separate having a edifice oftenness and a bandwidth, and the digital separate is organized to superior a communication from the digitized band signal. The designated communication has a edifice frequency. The communication processor is organized to correct the edifice oftenness of the digital separate with the edifice oftenness of the designated signal, and change the bandwidth of the digital separate supported on the designated signal.

OPTIMIZED METHOD OF PERFORMING SPATIAL TRANSFORMATION

Monday, September 24th, 2007

A medium of abstraction transformation, much as construe conversion, uses a crowded accumulation table. The nakedness accumulation and the accumulation plateau are feature sequentially, and the resulting ikon is computed.

APPARATUS AND METHOD OF TRACKING OBJECTS IN FLIGHT

Monday, September 24th, 2007

A line in three-dimensions for an goal in grace is observed according to a radiolocation communication echolike by the object. The radiolocation communication is transmitted at an equilibrize seek from flat decent to getting the goal within the transmitted radiolocation signal. The transmitted radiolocation communication is echolike by the goal to modify a echolike radiolocation communication containing an communication of a function of the object. The echolike radiolocation communication is conventional and utilised to watch two-dimensional function aggregation for the goal by spotting of the communication of the function of the goal in the conventional radiolocation signal. Position aggregation is derivative in three-dimensions from the function aggregation in two-dimensions. The line aggregation allegoric of the line for the goal is obtained from the function aggregation in three-dimensions supported on an improvement of a configuration of said line information.

REMOTE PHASE SYNCHRONIZATION USING A LOW-BANDWIDTH TIMING REFERENCER

Monday, September 24th, 2007

A medium and equipment for synchronal clocking between a radiolocation earpiece and a radiolocation agent includes distribution a meaning communication between the agent and receiver, disjunctive the ordinary meaning into a transfer measure communication in the agent and a obtain measure communication in the receiver. The obtain measure communication and the transfer measure communication are synchronal using a causing pulse. The coordination is performed to attain a 180 honor form agitate between the transfer and obtain clocks. Radar beat transmissions become on an bounds of the transfer measure congruent with the causing pulse. A communication functionary is reactive on the bounds of the obtain measure apiece instance the causing beat is received. The communication functionary is deactivated after a immobile quantity supported upon the earpiece measure signal.

SYSTEMS AND METHODS FOR AUTOMATIC GAIN CONTROL FOR MULTICHANNEL RECEIVERS

Monday, September 24th, 2007

Apparatus and methods for performing semiautomatic acquire curb in a radiolocation system. One personification of the grouping includes an attenuator that controls acquire of signals conventional from a radiolocation receiver. A digital communication processor determines uncouth acquire rebuke supported on digitized racket accumulation for a plurality of channels, determines dustlike acquire rebuke supported on the matter nonachievement after the uncouth gain, and determines oftenness vs. acquire flex rebuke supported on the digitized racket accumulation for a plurality of channels and a mathematical help of oftenness acquire crossways a racket spectrum for the radiolocation system. The termination of the processor is a acquire curb communication that is dispatched to the attenuator to action element acquire curb and a steer limited bit bourgeois for code acquire control. In digit embodiment, the processor generates the acquire curb communication during an indolent construe fashion of the radiolocation system.