Communications: directive radio wave systems and devices (e.g., radar, radio navigation) inventions 08/06

20060192708 - Radio communication method, system and a terminal station: Radio communication system includes terminal including unit detecting radar wave transmitted through second-frequency channel, first-and-second-frequency channels through which radar wave fails to be transmitted being simultaneously utilized or one of first-and-second-frequency channels being utilized, unit generating radar-detection information including information indicating detection time when detecting unit detects radar wave, and...

20060192709 - Low frequency asset tag tracking system and method: An apparatus and method for low frequency asset tracking includes a low frequency transmitter tag associated with a cargo container or other high value commodity, a plurality of receivers that detect low frequency signals, and a microprocessor that uses algorithms and/or data pertaining to the propagation characteristics of the signal...

20060192710 - Antennas array calibration arrangement and method: In a radio communications system, a plurality of transceivers are each connected to one element of an array of antenna elements. In addition, at least one of the transceivers is additionally connected to a calibration antenna for transmitting or receiving test signals via the antenna elements. At least one calibration...

20060192711 - Phased array antenna system with variable electrical tilt: A phased array antenna system with variable electrical tilt comprises an array (60) of antenna elements (60L1) etc. incorporating a divider (44) dividing a radio frequency (RF) carrier signal into two signals between which a phase shifter (46) introduces a variable phase shift. A phase to power converter (50) converts...

20060187110 - Radar reflector: A radar reflector including a first and a second radar corner. The radar corners are formed by an essentially rectangular first flat plate and a second and a third essentially flat plate arranged perpendicular to the first plate at two perpendicular edges of the first plate and to meet the...

20060187111 - Radar apparatus: A transmitter emits into an intended search space a radar wave having a predetermined frequency pulse-modulated by a trigger pulse of a predetermined width. A receiver receives a reflected wave of the radar wave and outputs a receive signal. A local pulse generator outputs a local pulse signal having the...

20060187112 - Radar comprising a transmitting oscillator that can be excited by an evaluation oscillator in a quasi-phase coherent manner: A radar is provided with transmitting means for transmitting a signal and with receiving means for receiving a reflection of the transmitted signal. The inventive radar is characterized in that the transmitting means is provided with a transmitting oscillator and the receiving means is provided with an evaluation oscillator. The...

20060187113 - Radome illumination system: A visual illumination system incorporated between upper and lower radar dome assemblies external to a ship or boat's bridge or cockpit is disclosed. The visual illumination system provides a visual indication of those sectors in which the radar antenna is transmitting for personnel moving around the upper deck. The visual...

20060187114 - System for digital multi-bandwidth intermediate frequency processing and tracking: Signal processing systems for radar installations are provided for simultaneous processing of one or more IF signals of dynamically varying frequency and bandwidth with a single analog signal path. The signal processing system includes, but is not limited to, a converter configured to digitize a return signal resulting in a...

20060187116 - Positioning system: A communication base station includes: a satellite-time information generating device for continuously generating satellite-time information representative of a satellite-time that is a time of a positioning satellite on the basis of the satellite signal; a satellite-orbit information generating device for generating satellite-orbit information at a time interval regulated by an...

20060187115 - Positioning system, terminal apparatus, method of controlling terminal apparatus, program for controlling terminal apparatus and computer-readable storing medium for storing program for controlling terminal apparatus: A communication base station has: a communication signal sending device for sending a communication signal including base station position information indicating a position of the communication base station and sending direction information indicating a sending direction from the communication base station, and the terminal apparatus has: a communication signal receiving...

20060187117 - Dynamic orientation adjusting device and method for satellite antenna installed in movable carrier: Disclosed is a device and method for dynamically adjusting orientation of a satellite antenna carried in a movable carrier, including a satellite tracking system and an adjusting device. The satellite tracking system includes a position processor that receives a group of positioning signals comprising a current coordinate from a group...

20060187118 - Adaptive antenna reception device having preferable reception quality of directivity beam from the initial stage: An adaptive antenna reception device is disclosed in which a directional beam having excellent reception characteristics can be quickly and easily obtained from the start by selecting an initial beam direction of signal processors that are to begin determination of weight that uses time averaging based on the reception quality...

20060187119 - Method and apparatus for geolocating a wireless communications device: The time difference of arrival for a signal received at two or more receiving sites as transmitted from a wireless communications device, is determined by a frequency domain technique. The constituent frequencies of the signals received at the two or more receiving sites are determined, including the phase, or a...

20060187120 - Traffic monitoring apparatus: To provide a traffic monitoring apparatus capable of accurately determining the number of objects present in an area under surveillance without being affected by the difference in arrangement of those objects. Included is an object information acquiring device 1A for acquiring three-dimensional object information D related with an object H...

20060181447 - Secondary surveillance radar system, and ground system for use therein: A secondary surveillance radar system comprising a ground system which observes an observation area where an aircraft equipped with a mode S transponder and an aircraft equipped with an ATCRBS transponder possibly coexist, wherein the ground system comprises a transmit processor which transmits to the observation area an all-call interrogation...

20060181448 - Fmcw radar device and method for detecting interference: An FMCW radar device executes a frequency analysis for a beat signal in a frequency increase interval and a frequency decrease interval, to obtain frequency components in a predetermined high frequency range exceeding a frequency range corresponding to a target detection frequency range within which a target object for detection...

20060181449 - Vehicular traffic surveillance doppler radar system: A vehicular traffic surveillance Doppler radar system and method for use of the same are disclosed. In one embodiment, the system comprises a modulation circuit portion for generating modulated FM signals. An antenna circuit portion transmits the modulated FM signals to a target and receives the reflected modulated FM signals...

20060181450 - Level measurement arragement: A level measurement arrangement for measurement of a level of a product in a container, comprising: a level sensor, having: a mounting element, including a process connector, for mounting the mounting element on a mating counter connector on an opening of the container, and a conductive probe segment extending from...

20060181451 - System and method for combining displaced phase center antenna and space-time adaptive processing techniques to enhance clutter suppression in radar on moving platforms: A system and method are disclosed for enhancing the suppression of clutter and target detection in a radar system located on a moving platform. For example, a radar system including an MTI subsystem is located on a moving platform (e.g., ship-borne, airborne or space-based radar system) with a DPCA processing...

20060181452 - Satellite positioning system receivers and methods: A satellite positioning system receiver programmed to determine information for a satellite using ephemeris data (710), determine information for the same satellite using almanac data (722), which may have been previously stored on the receiver, to determine an error between the satellite information determined from the ephemeris data and the...

20060181453 - Satellite positioning system receivers and methods: A satellite positioning system receiver programmed to operate synchronously with an expected time of arrival of information from at least one satellite of a satellite positioning system, and to receive the information from the at least one satellite when the receiver is operating during the expected time of arrival of...

20060181454 - Radio and light based three dimensional positioning system: A radio and light based 3-D positioning system comprising: a stationary integrated self-positioning radio transceiver/laser transmitter (RTR_LT) configured to receive a first plurality of external radio signals, configured to determine its position coordinates based on the first plurality of received external radio signals, configured to broadcast at least one internal...

20060181455 - Method and device for accurately pointing a satellite earth station antenna: A device for measuring the received signal strength at an Earth station antenna has the capability to provide an accurate pointing indication when the frequency bands and other key characteristics of the satellite signals are not uniform over the coverage area. The device has an input port, a plurality of...

20060181456 - Method and apparatus for beamforming based on broadband antenna: A beamforming method based on broadband antenna is provided, comprising: detecting the frequency of input signals of an antenna; determining the effective antenna aperture between elements of the antenna array according to the detected frequency; computing the weight vector of each element of the antenna array to the signals according...

20060181457 - Methods and apparatus for beamforming applications: A beamforming system includes an array of transducers that detects echo signals in a scanned region. The array of transducers produces respective electronic signals based on receipt of echo signals. The beamforming system further includes an array of multipliers (e.g., mixers) to receive the respective electronic signals (e.g., echo signals...

20060181458 - Method and apparatus for determining the location of a node in a wireless title system: A method and apparatus for determining the location of a node within a communication system is provided herein. During operation, reference nodes (105) having known locations are utilized to locate “blind” nodes (104) whose location is to be determined. More particularly, a blind node (104) wishing to determine its location...

20060176208 - System for establishing an attenuation frequency: A system in accordance with the present invention determines signal attenuation for an electronic support measure receiver. The system includes a detection module for receiving electromagnetic signals from a surrounding environment and a processing module for chronologically segregating the electromagnetic signals into a plurality of dwells. The processing module controls...

20060176209 - Recognition algorithm for the unknown target rejection based on shape statistics obtained from orthogonal distance function: computing for each of the pairs of first chords D1 and second chords D2 the ratio D1/D2 of the first dimension to the second dimension to obtain a plurality of first values; computing the logarithm of the first values to obtain a plurality of logarithmic values; computing difference values by...

20060176210 - Vehicle display apparatus: The present invention is to provide a vehicle display apparatus having a clear view. When a vehicle runs on a flat road, a standard FOE (focus of expansion) is set so as that a horizon line is positioned at a central portion of a display area. When the vehicle approaches...

20060176211 - Wafer scale antenna module with a backside connectivity: In one embodiment, wafer-scale antenna module is provided that includes: a substrate having a first surface and an opposing second surface; a plurality of conductive contact regions extending from the first surface into the substrate towards the second surface; active circuitry formed in the substrate adjacent the second surface, the...

20060176212 - Radar sensor for reversing a vehicle and having fine-tuning function: A radar sensor for a vehicle and having a fine-tuning function includes a base forming a chamber to pivotably receive a sensor module. The sensor module can be adjusted in its pantoscopic angle and direction, so as to set a sensing range accurately. A packing block is configured at an...

20060176213 - Method and apparatus for enhancing a digital elevation model (dem) for topographical modeling: A computer implemented method is for processing an original digital elevation model (DEM) including data for terrain and a plurality of objects thereon. The method includes generating a lower-resolution DEM from the original DEM, and generating an objects-only DEM based upon a comparison of the lower-resolution DEM and the original...

20060176214 - Electric wave axis adjusting apparatus for radar mounted on vehicle: The present invention provides an electric wave axis adjusting apparatus for an on-vehicle radar capable of readily and precisely adjusting an electric wave axis only by making the scanning range and a detection range identical to each other and changing a scanning range, and of adjusting the electric wave axis...

20060176215 - Reconfigurable downconverter for a multi-band positioning receiver: A reconfigurable downconverter (10) for a multi-band positioning receiver is operable with an RF synthesizer (18) with fixed output frequency, and a fixed wideband RF input (28). The downconverter (10) includes an RF mixer (12) operable to accept a range of frequencies that encompass the GPS and Galileo frequency bands...

20060176216 - Tracking and timing system: An apparatus and methods for tracking an object is disclosed. The apparatus and methods provide for GPS tracking, and can include a communication system that transmits the position of the object to a central database. Software can track the object and provide updates as to the position, speed, course, and...

20060176217 - Overlapping subarray architecture: An embodiment of an electronically scanned array antenna includes an array of radiative elements having an array height. A plurality of separate subarrays of the radiative elements include a first row comprising a first plurality of subarrays, wherein subarrays of the first plurality of subarrays are horizontally non-overlapping with one...

20060170583 - Electromagnetic radiation absorber based on magnetic microwires: is made up of a dielectric material containing amorphous magnetic microwires, the magnetic permeability of which in the preselected frequency range has an imaginary part μ″ which is at least 100 times greater than the corresponding real part μ′, said microwires being distributed in a volume having a thickness e2...

20060170584 - Obstacle penetrating dynamic radar imaging system: An obstacle penetrating dynamic radar imaging system for the detection, tracking, and imaging of an individual, animal, or object comprising a multiplicity of low power ultra wideband radar units that produce a set of return radar signals from the individual, animal, or object, and a processing system for said set...

20060170585 - Synthetic multi-aperture radar technology: Systems and methods of improving synthetic aperture radar (SAR) system are disclosed. In particular, an example system includes a radar signal radiator configured to transmit radar signal pulses that have a partial bandwidth at a regular interval. The partial bandwidth is a portion of a full bandwidth that said radar...

20060170587 - On-vehicle radar system: An on-vehicle radar system capable of detecting a range error from range data based on an echo from a target (6). Range error is detected when amplitudes of beat frequency components in two adjacent range gates are substantially equal. The system includes a transmitting unit (1, 2, 4, 5) for...

20060170586 - Pulse wave radar device: To achieve a purpose of the present invention, a pulse wave radar device related to the present invention modulates a first transmitting pulse and a second transmitting pulse which are separated from each other by a predetermined lapse of time and transmits a transmitting pulse wave and, if a lapse...

20060170589 - Apparatus and method for maintaining time synchronization in agps receiver: An apparatus and method are provided for obtaining a location of a CDMA personal portable terminal according to an AGPS scheme. The method includes receiving a Doppler value of a satellite from an AGPS server, receiving a satellite signal and measuring a Doppler value of the satellite by using the...

20060170588 - Tracking method for cell phone with positioning device and system thereof: A tracking method for a cell phone with a positioning device and the system thereof are described. The longitudinal and latitudinal coordinates of a tracked end in a global positioning system (GPS) are sent to a cell phone of a tracking end via a short message service (SMS). After decoding...

20060170590 - Selecting an optimal antenna in a gps receiver and methods thereof: A global positioning system (GPS) receiver (100) for receiving signals from a plurality of GPS satellites has a plurality of antennas (102), a receiver (104) coupled to the plurality of antennas, and a processor (106) coupled to the receiver. The processor is programmed to collect (202) from the receiver information...

20060170591 - System and method for enabling continuous geographic location estimation for wireless computing devices: System and method for enabling a wireless computing device to continuously determine its position includes a wireless computing device and a wireless positioning system substantially collocated therewith. The wireless positioning system has a first positioning mode in which it communicates with a wireless positioning network to enable the geographic location...

20060170592 - Antenna control system: A cellular base station telecommunication system includes a plurality of base station antenna sites, each site having one or more groups of base station antennas. A central controller is configured to control an electrical or mechanical parameter in one or more of the antennas in the groups of antennas....