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| Number | Title | Issue Date |
| 7652614 | Ground clutter mitigation using a parametric time domain method Methods and systems are disclosed for investigating a region of interest with a radar. A radar signal is propagated to the region of interest. Sampled time-domain radar data scattered within the region of interest are collected. A likelihood function is calculated w... | 01/26/2010 |
| 7646328 | Versatile constant altitude plan position indicator for radars A method and a system to process radar volume scan data along an azimuth angle of a radar, to interpolate the radar volume scan data taken from adjacent elevation angles along the azimuth angle of the radar to obtain radar data corresponding to a predetermined altit... | 01/12/2010 |
| 7605744 | Method for extension of unambiguous range and velocity of a weather radar A method for extension of unambiguous range and velocity of a weather radar. To avoid pulse overlaying, the pulse repetition time of a single pulse can be extended such that any return echo will arrive at the radar before the next pulse is transmitted. When pulse re... | 10/20/2009 |
| 7583222 | Method for using pulse compression in weather radar A system and method for processing data related to weather phenomena in a meteorological radar system. The method includes receiving an echo signal generated by transmitting a long pulse and employing a mismatched windowed filter on the echo signal such that the ech... | 09/01/2009 |
| 7579977 | Method of measuring the speed of air by doppler radar A method of measuring the speed of air in a zone of the atmosphere by the Doppler effect by means of a radar, the method comprising the steps of transmitting bursts of three pulses at different rates F1, F2, F3; determining respectiv... | 08/25/2009 |
| 7541967 | Sounding transformation and recognition A method for scaling and converting sounding data into physical properties of a scanned medium is disclosed. In one embodiment, sounding data is received and transformed into phase space, where the phase space transformation linearizes the sounding data. The slope a... | 06/02/2009 |
| 7495599 | Simultaneous dual polarization radar system with pedestal mounted receiver The present invention relates to a method and apparatus for simultaneous transmission of horizontal (H) and vertical (V) channels in a dual polarized weather radar. The goal of the invention is accomplished by placing the receiver, duplexer and polarizer equipment a... | 02/24/2009 |
| 7474250 | Compression and transmission of weather data Weather radar reflectivity data is compressed by converting radar data to image pixels. Next, contours are traced from select groupings of the pixels. Control points are derived from the contours. The control points represent a compressed version of the radar data a... | 01/06/2009 |
| 7471234 | Producing improved mosaic of multiple field radar data product to enable improved weather display The system or method reduces the significant degradation of quality in Radar mosaic products that are contaminated by non-meteorological returns. In regions covered by multiple radars, the inventive algorithms utilize an inventive set of coverage-based rules for com... | 12/30/2008 |
| 7439899 | Encoded transmitted signals in a simultaneous dual polarization weather system A system for simultaneously propagating dual polarized signals in a polarimetric radar system includes a system for coding at least one of the two signals. The simultaneous dual polarization weather radar transmits signals in both the horizontal and vertical orienta... | 10/21/2008 |
| 7427943 | Method of generating three-dimensional weather information from airborne weather radar imagery A method of displaying real-time, three-dimensional weather information is disclosed. A first representation of a weather event along a first plane is generated from data obtained from a first radar scan. A second representation of the weather event along a second p... | 09/23/2008 |
| 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 |
| 7417578 | Removal of spurious aircraft detections on weather radar A weather radar detects and removes spurious aircraft from a weather radar display by using one of the methods of differentiating radar return length, estimating a vertical gradient of reflectivity, tracking radar returns into regions that are eliminated from the we... | 08/26/2008 |
| 7417579 | Weather radar with significance determination A weather radar system includes processing electronics. The processing electronics sense weather and determine significant weather based upon the altitude of the weather. The altitude of the weather can be compared to a flight path to determine its significance. A d... | 08/26/2008 |
| 7411541 | Systems and methods for presenting vertical weather information on plan view displays Systems and methods for presenting vertical weather information on plan view displays. An example method retrieves weather radar return information stored in a volumetric buffer and determines if a weather anomaly of the retrieved weather radar return information is... | 08/12/2008 |
| 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 |
| 7369083 | Method 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 ... | 05/06/2008 |
| 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 |
| 7365673 | Compression and transmission of weather data Weather radar reflectivity data is compressed by converting radar data to image pixels. Next, contours are traced from select groupings of the pixels. Control points are derived from the contours. The control points represent a compressed version of the radar data a... | 04/29/2008 |
| 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 |
| 7353690 | Atmospheric refractivity profiling apparatus and methods Apparatus and methods for characterizing atmospheric refractivity and its evolution in time and space utilizing passive radiation emission measurement devices are disclosed. Based on an instrument such as a passive microwave radiometer, ancillary meteorological meas... | 04/08/2008 |
| 7352317 | Data compression system and method for a weather radar system A method of compressing data in a weather radar system utilizes a compression system. Weather radar data associated with graphical images provided on a weather radar display is compressed for downloads or downlinks from the airplane or storage on the airplane. The w... | 04/01/2008 |
| 7339516 | Method to provide graphical representation of Sense Through The Wall (STTW) targets A method to present easily understood images that represent targets that are detected through walls or other opaque barriers is disclosed. This method is particularly well suited for sense-through-the-wall radar systems. One of the main challenges of evolving STTW s... | 03/04/2008 |
| 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 |
| 7319850 | Low noise block downconverter converting received signal to intermediate frequency signal In a low noise block downconverter converting a right-hand (or horizontally) polarized wave signal and a left-hand (or vertically) polarized wave signal to intermediate frequency signals, one of two filters for removal of interference waves from the intermediate fre... | 01/15/2008 |
| 7312743 | Systems and methods for displaying hazards A system, according to various aspects of the present invention, provides a presentation to a hazard display. The system includes a memory having surveillance data and a processor. The processor updates an image in accordance with the surveillance data to provide an... | 12/25/2007 |
| 7307583 | Antenna adjustment system and method for an aircraft weather radar system A weather radar system or method can be utilized to adjust a position of a weather radar system. The weather radar system can utilize processing electronics coupled to an antenna control system. The processing electronics can determine an error associated with the p... | 12/11/2007 |
| 7307577 | Storm top detection A method of characterizing a maximum height of a storm cell for an aircraft is provided. First reflectivity data formed from a first scan of a storm cell by a radar is received and a first centroid of the storm cell is identified. Second reflectivity data formed fro... | 12/11/2007 |
| 7307576 | Hazardous and non-hazardous weather identification system and method A weather radar system or method can be utilized to determine non-hazardous weather region for an aircraft. The weather radar system can utilize processing electronics coupled to an antenna. The processing electronics can determine presence of the non-hazardous weat... | 12/11/2007 |
| 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 |
| 7286957 | Biometric quality control process Systems and methods configured to guide and manage laboratory analytical process control operations. A Biometric quality control (QC) process application is configured to monitor bias and imprecision for each test, characterize patient population data distributions ... | 10/23/2007 |
| 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 |
| 7239237 | Hand crank weather channel receiver with cell phone charger An apparatus comprising a housing. A rechargeable battery source for providing a first source of direct current, a hand-crank dynamo configured to replenish the rechargeable battery source, and a direct current input receptacle configured for receiving a second sour... | 07/03/2007 |
| 7218665 | Deferred decorrelating decision-feedback detector for supersaturated communications The present invention provides an efficient means of estimating symbols transmitted in a multi-user environment in overloaded or super-saturated conditions by employing a deferred decorrelating decision feedback detector. In one embodiment, the present invention com... | 05/15/2007 |
| 7215826 | Rendering three-dimensional streak tube imaging lidar (STIL) data to two-dimensional contrast and range mappings thereof A rendering method converts three-dimensional streak tube imaging lidar (STIL) data to two-dimensional contrast and range maps thereof. A temporal portion of the STIL data is processed for each pixel of the three-dimensional image. Each temporal portion includes a G... | 05/08/2007 |
| 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 |
| 7181345 | Location-based weather nowcast system and method A method for providing a mobile user with updated weather nowcasts comprises: receiving a request from a user, the request being associated with a location, and for a period such as about an hour sending the user regular meteorological information regarding the loca... | 02/20/2007 |