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| Number | Title | Issue Date |
| 7880664 | Method for correcting weather data The invention relates to a method, an apparatus and a computer program product for correcting the weather data of radial speed, spectral width and/or differential reflectivity which have been acquired from radar echo data recorded by a ground-based, radar-based remo... | 02/01/2011 |
| 7760129 | Simultaneous dual polarization radar system with optical communications link A simultaneous dual polarization radar system is disclosed repositioning critical processing components below the elevation rotary coupler to avoid radar emission pulse train corruption due to waveguide phase error introductions and to fully capitalize on the simult... | 07/20/2010 |
| 7719458 | Dual mode weather and air surveillance radar system A radar system having first and second modes of operation comprising a dual antenna assembly comprising first and second antennas having respective first and second antenna waveguides coupled to a waveguide switch operable to divert RF energy to or from either said ... | 05/18/2010 |
| 7671785 | Dual mode weather and air surveillance radar system A radar system having first and second modes of operation comprising a dual antenna assembly comprising first and second antennas having respective first and second antenna waveguides coupled to a waveguide switch operable to divert RF energy to or from either said ... | 03/02/2010 |
| 7417577 | Methods of estimating precipitation characteristics A method of estimating precipitation characteristics including acquiring a radar image including at least a vertical plane of a precipitation zone; processing a vertical profile to generate digital signals representative of reflectivity in vertical direction z; inte... | 08/26/2008 |
| 7405693 | System and method for synthesizing data in a radar system A system for synthesizing data received from a weather radar system includes a digital signal processor, a data synthesizer, a convolution filter, and data storage. The digital signal processor digitizes reflectivity data from a radar antenna. The data synthesizer g... | 07/29/2008 |
| 7372394 | Variable loop gain and resolution pulse system and method with point target editing capability A weather radar system is coupled to antenna. The weather radar system includes a processor for generating pulses and for processing return pulses received by the antenna. The processor generates high resolution data from the return pulses. The processor uses the hi... | 05/13/2008 |
| 7369082 | Method and apparatus implementing a scan strategy for automatic high power tube recovery A method of reducing power to an electron emitting cathode comprises the steps of sensing a weather condition; calculating a condition number based upon the weather condition; comparing the condition number to a threshold; and reducing the power to the electron emit... | 05/06/2008 |
| 7355546 | Polarization and frequency diverse radar system for complete polarimetric characterization of scatterers with increased scanning speed A method and apparatus is provided, whereby a scanning, polarization and frequency diverse radar system measures the complete polarimetric characterization of weather targets without loss of scanning speed and without an additional ambiguity in the Doppler velocity ... | 04/08/2008 |
| 7352321 | Determining statistical descriptors of a signal from a set of its samples An entity is subjected to an interrogating signal, and the reflection from the entity is repeatedly sampled to obtain a first set of values each dependent on the intensity of the reflected signal. A logarithmic transformation is applied to the sample values to obtai... | 04/01/2008 |
| 7336222 | System and method for measuring characteristics of a continuous medium and/or localized targets using multiple sensors A method and system is provided for obtaining data indicative of at least one characteristic of a continuous medium or at least one localized target located within a predetermined volume of space. The system includes a sensor configuration and a processing circuit. ... | 02/26/2008 |
| 7333030 | Method and system for preventing an aircraft from penetrating into a dangerous trailing vortex area of a vortex generator The invention relates to methods and devices for aircraft's safe operation and is embodied in the form of a method and system for informing a user, for example an aircraft crew and/or a flight controller, on the probable penetration of the aircraft into dangerous ar... | 02/19/2008 |
| 7311000 | Wind speed measurement apparatus and method A buoyant platform apparatus, such as a buoy, is described that comprises a laser radar (lidar) wind speed measurement device. The lidar is arranged to make wind velocity measurements at one or more remote probe volumes of known position relative to said platform. T... | 12/25/2007 |
| 7301497 | Stereo display for position sensing systems A method for display of radar data includes performing a first radar scan to obtain, for at least one object (24), a first range reading, a first azimuth reading, and a first altitude reading. A second radar scan is then performed to obtain, for the at least ... | 11/27/2007 |
| 7292178 | Aircraft hazard detection and alerting in terminal areas A weather radar system or method can be utilized to determine potential weather hazard for an aircraft in a terminal area. The weather radar system can utilize processing electronics coupled to an antenna. The processing electronics can determine presence of the pot... | 11/06/2007 |
| 7280920 | Method and apparatus for forecasting earthquakes and making informed risk management decisions A data-driven method and system to forecast earthquakes worldwide over a broad range of time (from days to years in advance). The system includes the compilation of a diverse set of historical geophysical and environmental databases, a program that determines correl... | 10/09/2007 |
| 7242343 | Directed sequential hazard assessment weather radar A directed sequential hazard assessment weather radar system detects weather and hazards with low latency and high confidence in a hazard detection mode to detect a region of reflectivity and changes to an assessment mode after detecting the region of reflectivity. ... | 07/10/2007 |
| 7221318 | System and method for controlling antenna pattern A communication system and method for controlling an antenna pattern is disclosed. The communication system may be situated on a mobile station, a base station, or a combination thereof. The communication system comprises a smart antenna module, a speed sensor, and ... | 05/22/2007 |
| 7218279 | Method and apparatus for pointing the beam of a wind profiler The present invention relates to a method and apparatus for pointing the beams (63–67) of a wind profiler comprising a stationary antenna matrix (61) with several individual antenna elements (62). According to the method an input signal is fed... | 05/15/2007 |
| 7209070 | System and method for enhanced situational awareness of terrain in a vertical situation display A vertical situation display (“VSD”) system according to the invention generates a terrain image that represents a profile view of terrain elevation relative to the position of an aircraft traveling above the terrain. The VSD system generates the VSD image such ... | 04/24/2007 |
| 7209072 | Method for drift compensation with radar measurements with the aid of reference radar signals A method of radar measurement by transmitting and receiving radar signals with at least two spatially separated radar systems. The method further includes exchanging reference radar signals between the at least two radar systems to determine measurement-relevant par... | 04/24/2007 |
| 7205928 | Automatic weather radar system and method Methods and apparatus are provided for operating a radar system to provide a thunderstorm image to a pilot. The method comprises using one or more radar scans depending upon the aircraft altitude, a single upward tilted scan at or below a datum level of about 15,000... | 04/17/2007 |
| 7200491 | System for producing high-resolution, real-time synthetic meteorological conditions for a specified location Methods and articles of manufacture for estimating or deriving weather observations/conditions for any given location using observed weather conditions from neighboring locations, radar data, lightning data, satellite imagery, etc. An initial estimate of weather con... | 04/03/2007 |
| 7158072 | Ethernet connection of airborne radar over fiber optic cable A weather radar signal path for an aircraft. The signal path has an antenna, a digital down-converter, a first transceiver, fiber optic cabling, a second transceiver and a processing unit. The antenna is adapted to, in a first mode, receive reflected radar signals f... | 01/02/2007 |
| 7158071 | Radar rainfall estimation technique when attenuation is negligible A method of using a bipolar radar to estimate a precipitation rate for rain that generates negligible attenuation. The method includes using the bipolar radar to measure the differential phase ΦDP and the apparent reflectivity Ze on at least o... | 01/02/2007 |
| 7158813 | Antenna for wireless systems A base station for a wireless communication system has an antenna system that provides a downstream transmit pattern partitioned into azimuthal sectors and an upstream receive pattern partitioned into azimuthal sectors and elevation sectors. The base station has a t... | 01/02/2007 |
| 7155240 | Method of determining the position of a target using transmitters of opportunity A method of determining the position of a target comprising the steps of: providing a transmitter or a plurality of transmitters to transmit a signal to the target, providing a receiver or a plurality of receivers to receive signals reflected from said target. Deter... | 12/26/2006 |
| 7145503 | Surface wave radar A surface wave radar system including a receive antenna array (20, 22) for generating receive signals, and a data processing system (24) for processing received data representing the receive signals to mitigate ionospheric clutter. The received data is... | 12/05/2006 |
| 7138941 | In-situ calibration of radar frequency measurement Frequency calibration of a bi-static type of radar system is performed by positioning radar transmitter and receiver in spaced relation to each other over a targeted seawater surface from which radar radiation along a forward radiation scattering path is reflected t... | 11/21/2006 |
| 7132974 | Methods and systems for estimating three dimensional distribution of turbulence intensity using radar measurements Methods, systems, and computer program products for storing turbulence radar return data into a three-dimensional buffer. The method involves modeling the radar signal scattering properties of space surrounding the radar/aircraft. Presented turbulent wind variance m... | 11/07/2006 |
| 7119732 | Bistatic and multistatic system for space situational awareness Provided is a bistatic and multistatic system for detecting and identifying a target in close proximity to an orbiting satellite. An electromagnetic fence is established to surround the satellite, using a ground-based communication uplink from a gateway antenna. A c... | 10/10/2006 |
| 7109913 | Airborne weather radar system and radar display An airborne weather radar system that detects potentially hazardous weather conditions associated with storms and includes a radar display featuring visual indications of these conditions. The radar display includes a vertical situation display having iconal represe... | 09/19/2006 |
| 7095364 | Altitude measurement system and associated methods An altitude measuring system and method for aircraft is provided. The altitude measuring system includes altitude sensors for providing data to an altitude processing unit. The altitude processing unit spatially averages each output to determine a mean altitude. Pit... | 08/22/2006 |
| 7053813 | Radar system A radar system determines the range and velocity of a target, such as an atmospheric structure. The radar system transfers a first series of pulses and a second series of pulses. The first series of pulses and the second series of pulses have orthogonal polarization... | 05/30/2006 |
| 7053821 | System and method for adaptive broadcast radar system Adaptive broadcast radar systems and methods for tracking targets are disclosed. In one embodiment, a method for formatting received data within an adaptive broadcast radar system having a transmitter comprising sub-apertures and a receiver comprising sub-apertures ... | 05/30/2006 |
| 7049997 | Simultaneous dual polarization radar system A simultaneous dual polarization radar system is disclosed that utilizes a RF power divider to replace the high speed dual polarization switches utilized in current dual polarization radar systems. The disclosed systems allow for transmission and reception in both h... | 05/23/2006 |
| 7038618 | Method and apparatus for performing bistatic radar functions A bistatic radar system having a transmitter that generates unique signals at spatially independent transmitter degrees of freedom and a receiver that filters the signal at each receiver degree of freedom into a group of signals identical in number to the number of ... | 05/02/2006 |
| 6980908 | Method of forecasting precipitation for specific geographic locations Weather data is collected and used to create a master precipitation steering component grid and a master precipitation grid. These grids are then used to forecast when precipitation will start and stop at one or more identified locations with a geographic area. ... | 12/27/2005 |
| 6903678 | Vehicle radar apparatus A vehicle radar system extracts peak frequencies fbu and fbd of respective beat signals B1 to B9 representing the frequency difference between a transmission signal fs and a plurality of received signals fr1 to fr9. The phase difference o... | 06/07/2005 |
| 6873287 | Signal processing arrangement The present invention relates to a method and an arrangement suitable for embedded signal processing, comprising a number of computational units (100), each computational unit comprising a number of processing elements (20) capable of working independe... | 03/29/2005 |
