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| Number | Title | Issue Date |
| 7847725 | Radar video data player A computer software program which plots radar video data on a display screen for viewing by a user in a format that emulates a real display. The radar video data the program plots on the display screen is either recorded radar video data generated by a missile radar... | 12/07/2010 |
| 7847724 | Radar video data player A computer software program which plots radar video data on a display screen for viewing by a user in a format that emulates a real display. The radar video data the program plots on the display screen is either recorded radar video data generated by a missile radar... | 12/07/2010 |
| 7427942 | Noise-riding video signal threshold generation scheme for a plurality of video signal channels An apparatus for adaptively generating video signal thresholds for a comparator circuit having a plurality of signal channels. The apparatus has input circuitry in electrical signal communication with the plurality of signal channels. The input circuitry uses a sele... | 09/23/2008 |
| 7425919 | Radar video data viewer A computer program which plots radar video data generated by a seeker on a missile. The program allows a user to plot multiple scans of radar video data on a chart, which is obtained from a Data Worksheet. The chart displays one or more sets of radar video data scan... | 09/16/2008 |
| 7327309 | Radar scan converter and method for transforming A method transforms an image from polar coordinates into Cartesian coordinates. Therefore, the target image in Cartesian coordinates is subdivided into triangles defined by the vertices given in Cartesian coordinates. The respective polar coordinates are coded into ... | 02/05/2008 |
| 7196657 | Radar system using RF noise A radar system that utilizes predetermined, pseudorandom, or random waveforms that may be substantially matched to the impulse response of the radar and any surrounding clutter such that the signal-to-clutter ratio may be optimized and/or such that specific targets ... | 03/27/2007 |
| 7170443 | Method for the evaluation of radar data for fully automatic creation of a map of regions with interference A method for the evaluation of radar data for fully automatic creation of a map of regions with interference, in which undesirable reflections frequently occur includes the following method steps. The region to be mapped is divided up into cells. The short-lived tar... | 01/30/2007 |
| 7161531 | High performance radar display A scan conversion is provided which allows the scan converter to work with data in its most convenient format in a radar memory. A displayable image is mirrored to a graphics memory simultaneously with the write portion of the radar memory of the scan conversion pro... | 01/09/2007 |
| 6806825 | Thin client radar and multimedia networking A radar scan conversion protocol is defined to communicate radar data from application servers to thin clients with reduced network bandwidth requirements. The radar scan conversion protocol may be implemented as an extension to existing thin client protocols. The s... | 10/19/2004 |
| 6433730 | Noise riding threshold control with immunity to signals with high pulse repetition frequencies and high duty cycles A system and method is disclosed for a radar receiver, such as a wideband crystal video early warning receiver, to automatically detect the noise level of the radar receiver with immunity to high pulse repetition frequencies and high duty cycle signals. T... | 08/13/2002 |
| 6400313 | Projection of multi-sensor ray based data histories onto planar grids A method and apparatus which perform efficient projection of 4-dimensional data (3 spatial and 1 time dimension) onto planar grids are described. Multiple frames of data are drawn from a limited time history data buffer and projected onto a planar grid, w... | 06/04/2002 |
| 6362773 | Method for determining range of vision A method via which the range of vision in a vehicle's field of view can be determined precisely, so that with the help of range-of-vision information the driver can be advised to modify his driving style. The contrast of an object detected by a radar or l... | 03/26/2002 |
| 6359582 | Concealed weapons detection system A weapons detector (12) and method utilizing radar. The system comprises a transmitter (27) for producing an output (14) of frequencies of a set of self-resonant frequencies of weaponry; an antenna (28) directing the transmitter output toward locations po... | 03/19/2002 |
| 6255987 | Block adaptive quantization A block adaptive quantization device processes blocks of input data samples to determine an aggregate or average value which is applied to each of a number of exponent look-up tables to derive an exponent value dependent on the extent of compression requi... | 07/03/2001 |
| 6166677 | Image synthesizing method using a plurality of reflection radar waves and aircraft image radar apparatus using the method The present invention provides a small-size image radar apparatus to be mounted on an aircraft, having a high resolution not only the flying direction but also in the direction vertical to the flying direction. The image radar apparatus comprises a transm... | 12/26/2000 |
| 6043775 | Radar scan converter with direct display memory interface The Radar Scan Converter receives range and azimuth data that is generated by a conventional radar and presented in a polar coordinate system, and processes and displays this data, in real time, on a conventional generally rectangular display screen which... | 03/28/2000 |
| 6014099 | Isar method to analyze radar cross sections A method of analyzing the radar cross section of a target vehicle determines the contributions to total radar cross section of various vehicle design details. The method includes obtaining ISAR images of the vehicle with a radar at a known position relati... | 01/11/2000 |
| 5945937 | Along-track interferometric synthetic aperture radar An along-track interferometric SAR (Synthetic Aperture Radar) of the present invention includes a single SAR line and observes a target only once. SAR data derived from a single observation are subjected to look division in order to reproduce two SAR imag... | 08/31/1999 |
| 5920276 | Automatic horizontal and vertical scanning radar with terrain display A weather radar and terrain map display system for aircraft with the terrain elevation and weather information displayed in an easy to read and comprehend presentation. The system includes an antenna for transmitting and receiving radar signals, a receive... | 07/06/1999 |
| 5886662 | Method and apparatus for remote measurement of terrestrial biomass Method and apparatus for remote measurement of terrestrial biomass contained in vegetative elements, such as large tree boles or trunks present in an area of interest. The method includes providing an airborne radar system, overflying the area of interest... | 03/23/1999 |
| 5867121 | Radar scan converter system The Radar Scan Converter System (1) receives range and azimuth data generated by a conventional radar as presented in a polar coordinate system, (2) stores this data in associated cell locations in a range/azimuth polar video map, and (3) displays this po... | 02/02/1999 |
| 5835054 | Ultra wideband ground penetrating radar imaging of heterogeneous solids A non-invasive imaging system for analyzing engineered structures comprises pairs of ultra wideband radar transmitters and receivers in a linear array that are connected to a timing mechanism that allows a radar echo sample to be taken at a variety of del... | 11/10/1998 |
| 5828332 | Automatic horizontal and vertical scanning radar with terrain display A weather radar and terrain map display system for aircraft with the terrain elevation and weather information displayed in an easy to read and quickly comprehendible presentation. The system includes an antenna for transmitting and receiving radar signal... | 10/27/1998 |
| 5808580 | Radar/sonar system concept for extended range-doppler coverage A method and apparatus for preventing the occurrence of range ambiguities and Doppler ambiguities in both a radar and sonar environment. A series of N pulses are produced, each of which contains a number of contagious subpulses. Each of the subpulses exhi... | 09/15/1998 |
| 5805098 | Method and system for forming image by backprojection The method and system quickly and simultaneously generate multi-resolution and high-resolution imagery from projection data obtained, e.g., through synthetic aperture radar, magnetic resonance imaging, x-ray CAT scans, seismic imaging, sonar imaging, and ... | 09/08/1998 |
| 5805099 | Synthetic aperture radar and target image production method A synthetic aperture radar apparatus which analyzes Doppler frequency displacements arising from a range direction motion component of a target and motion components of a flying body to produce a motion target image wherein only azimuth direction motion c... | 09/08/1998 |
| 5796363 | Automatic position calculating imaging radar with low-cost synthetic aperture sensor for imaging layered media An imaging system for analyzing structures comprises a radar transmitter and receiver connected to a timing mechanism that allows a radar echo sample to be taken at a variety of delay times for each radar pulse transmission. The radar transmitter and rece... | 08/18/1998 |
| 5781146 | Automatic horizontal and vertical scanning radar with terrain display A weather radar and terrain map display system for aircraft with the terrain elevation and weather information displayed in an easy to read and comprehend presentation. The system includes an antenna for transmitting and receiving radar signals, a receive... | 07/14/1998 |
| 5781144 | Wide band video signal denoiser and method for denoising A method and apparatus for high speed denoising of an input signal received by a radar warning receiver (RWR) system. The novel system digitizes the input signal into sample windows each having a number of sample data points. The novel system includes a s... | 07/14/1998 |
| 5699068 | Doppler video signal conditioning circuit A doppler video signal conditioning circuit comprising first, second and rd buffers which respectively receive a voltage controlled oscillator signal, a second intermediate frequency signal and a second local oscillator signal from a missile' radar recei... | 12/16/1997 |
| 5668555 | Imaging system and apparatus A three dimensional imaging system that utilizes an ultra-wideband radar circuit, a focused radar antenna, an erasable programmable read only memory (EPROM) means which includes a translational software program for translating radar signals received from ... | 09/16/1997 |
| 5663730 | Radar system for transmitting and receiving radar signals via a common aerial The radar system comprises a transmitter unit and a receiving unit for radar signals, a trigger unit for guiding the radar signals from the transmitter unit and an aerial unit for transmitting the radar signals from the transmitting unit and for receiving... | 09/02/1997 |
| 5640165 | Range cell formation processing A range cell formation process that are used to enhance the quality of an image following a perspective transformation from range-azimuth coordinates (B-scan) into elevation-azimuth coordinates (C-scan). The present range cell formation process eliminate ... | 06/17/1997 |
| 5596327 | Radar encoder A radar encoder comprising a delta modulation circuit which receives analog adar video data from a radar and then converts the data to digitized NRZL video data. The radar encoder also has an encoder circuit which receives the digitized NRZL video data as ... | 01/21/1997 |
| 5572215 | Digital data processor A plurality of threshold detectors is provided to pass analog signals of predetermined and varying threshold values. An analog to digital converter converts these analog signals to binary 1s and 0s. A target detected on each radar beam sweep is a 1 and no... | 11/05/1996 |
| 5543800 | Radar decoder A radar decoder circuit for converting NRZL Data to radar video data which s supplied to a radar video display screen. The radar video circuit includes an Erasable Programmable Logic Device which decodes incoming NRZL data to identify a frame sync having t... | 08/06/1996 |
| 5455586 | Pulse recognition method and device, and use thereof for the filtering of the S mode responses of a secondary radar Disclosed are a device for the detection of S mode responses received by a secondary radar receiver and its use for the filtering of the pulses contained in this response. The device furthermore comprises means to detect a signal S, means for the real-tim... | 10/03/1995 |
| 5442362 | Radar apparatus Radar apparatus provided with a signal generator (1), transmitter means (2), antenna means (3), receiver means (4), a video processor (6) and an indication device (7) for the generation of a radar picture of the surroundings of the radar apparatus with a ... | 08/15/1995 |
| 5418535 | Mixed radar/graphics indicator A radar indicator comprising a source of radar image signals having a first (r,θ) format and a digital scan converter responsive to the radar image signals for converting the radar image signals from the first format to digital radar image signals having... | 05/23/1995 |
| 5392046 | Entropy based signal, transmission, reception and signal analysis method and apparatus An entropy based signal transmission, reception and analysis method and apparatus in which the entropy of time dependent signals is determined by utilizing a selected Green's function relationship. Information with respect to a medium with which the signa... | 02/21/1995 |
