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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Application No. | Application Title | Issue Date |
| 20120007773 | Processing Radar Return Signals To Detect Targets In certain embodiments, an apparatus comprises range matched filters and a Doppler-acceleration matched filter system. The matched filters are configured to receive radar return signals detected by an antenna and range match filter the radar return signals to place the ... | 01/12/2012 |
| 20110254728 | THREE QUARTER SPATIALLY VARIANT APODIZATION A new spatially variant apodization (SVA) algorithm that uses a 3/4 filled aperture prior to two dimensional discrete Fourier transform (2-D DFT) to form the image. The algorithm can be used, for example, to improve contrast and resolution on synthetic aperture radar (S... | 10/20/2011 |
| 20110227784 | SYSTEM EMPLOYING A DIRECT DIGITAL SYNTHESISER A DDS based system, such as a radar, includes means for generating a plurality of transmission signals using a DDS, and means for integrating signals derived therefrom, such as received signals. The system further includes means for varying the relative starting phase o... | 09/22/2011 |
| 20110221630 | SUPER-RESOLUTION IMAGING RADAR A system, apparatus, and method are disclosed for a super-resolution imaging radar (SRIR). The SRIR employs a pulse signal generator that propagates bursts of radio frequency (RF) energy. Each burst contains a number of pulses. One pulse of each burst is an ancilla puls... | 09/15/2011 |
| 20110163906 | RADAR APPARATUS, ANTENNA APPARATUS, AND DATA ACQUISITION METHOD A radar apparatus, an antenna apparatus, and a data acquisition method are provided, which can reduce the size of a radar apparatus as well as maintaining angular resolution.... | 07/07/2011 |
| 20110102243 | DIGITALLY CONTROLLED UWB MILLIMETER WAVE RADAR An ultra wide band (UWB) millimeter (mm) wave radar system includes a signal source having a control input, a GHz signal output and a frequency controlled output. A control loop is coupled between the GHz signal output and the control input including a frequency divider... | 05/05/2011 |
| 20100283659 | Monobit Based Low Cost High Performance Radar Warning Receiver A radar warning receiver is implemented in low cost integrated circuit form utilizing only one analog component, namely a limiting amplifier. By taking the output of the limiting amplifier and utilizing monobit sampling of the output it has been found that one can provi... | 11/11/2010 |
| 20100231440 | ANTENNA DEVICE AND RADAR APPARATUS An antenna device includes an antenna substrate and a feed line substrate. The antenna substrate includes subarray antennas, feeding interfaces and a back surface. The subarray antennas are arranged parallel with an interval on a plane. Each subarray antenna includes an... | 09/16/2010 |
| 20100149022 | Mismatched Filter The present solution provides methods and systems for realizing hardware efficient mismatched filters for pulse compression codes. For pulse compression codes with sufficiently small sidelobe structures, such as in the cases of odd length Barker codes, the proposed filt... | 06/17/2010 |
| 20100097266 | SINGLE PLATFORM PASSIVE COHERENT LOCATION USING A DIGITAL RECEIVER A system and method for performing passive coherent location (PCL). A PCL radar system has high speed analog-to-digital converters (ADC) for digitizing RF signals received on antenna elements of an antenna array. The RF signal received by each antenna element is process... | 04/22/2010 |
| 20100090885 | DIGITAL RADAR SYSTEMS AND METHODS A digital radar system includes a transmitter, the transmitter configured to transmit a signal; a receiver, the receiver configured to receive a return signal; and two analog to digital conversion (ADC) units, the ADC units configured to digitize the return signal at a ... | 04/15/2010 |
| 20100085245 | APPARATUS AND METHOD FOR SCALABLE PHASED ARRAY RADAR DATA DISTRIBUTION AND BEAMFORMING A radar array antenna comprising: a plurality of analog to digital (A/D) converters for converting analog signals from the array to digital signals, the signals supplying input to one or more optical modulators having controllable wavelengths, each optical modulator con... | 04/08/2010 |
| 20100066597 | ALL-DIGITAL LINE-OF-SIGHT (LOS) PROCESSOR ARCHITECTURE An all-digital line-of-sight (LOS) process architecture addresses the size, weight, power and performance constraints of a receiver for use in semi-active or active pulsed electromagnetic (EM) targeting systems. The all-digital architecture provides a platform for enhan... | 03/18/2010 |
| 20100066596 | ENHANCED LINE-OF-SIGHT (LOS) PROCESSING FOR ALL-DIGITAL LOS PROCESSOR An all-digital line-of-sight (LOS) process architecture addresses the size, weight, power and performance constraints of a receiver for use in semi-active or active pulsed electromagnetic (EM) targeting systems. The all-digital architecture provides a platform for enhan... | 03/18/2010 |
| 20100019956 | Radar Tracking System According to one embodiment, a radar tracking system includes a radar coupled to a radar processing system. Radar processing system receives images from the radar and that are each obtained at a differing angular orientation of the radar to a target. Radar processing sy... | 01/28/2010 |
| 20100013706 | DIGITAL FRONT END FOR A SATELLITE NAVIGATION RECEIVER A satellite navigation receiver having a digital front end. The satellite navigation receiver includes an analog section for receiving, amplifying, and filtering a satellite navigation signal. The digital front end is coupled to the analog section and is used to perform... | 01/21/2010 |
| 20100001900 | RADAR A radar having a high time and high spatial resolution and being capable of performing volume scanning with an inexpensive and simple structure, while enabling reduction is size and weight. A radar (50) is provided with an antenna unit (51) including a rad... | 01/07/2010 |
| 20090295623 | RADAR RECEIVER AND A METHOD FOR PROCESSING RADAR RETURNS A method for processing received radar returns of a radiated wide-band arbitrary waveform in a wide-band radar processing system using spectral processing. The received wide-band radar returns are undersampled by using a first sampling rate to obtain an undersampled dig... | 12/03/2009 |
| 20090174595 | SAR ATR treeline extended operating condition A synthetic aperture radar acquires an image of one or more objects and identifies them as targets. The objects are located in the proximity of clutter within the image such of trees, or a tree line. The radar acquires a SAR image having pixels descriptive of the clutte... | 07/09/2009 |
| 20090167594 | Signal Processor and Signal Processing Method Radiolocalization receiver for a satellite radiolocalization system like GPs, Galileo or the like, including a staged correlation and accumulation unit, in which the correlation data is biased in order lo be to always non-negative. Thanks to this feature, the accumulate... | 07/02/2009 |
| 20090135052 | Robust pulse deinterleaving Systems and methods are presented for associating time slices of a received signal with previously encountered time slices. A parameter determination component determines at least one parameter for each received time slice. A content addressable memory stores a pluralit... | 05/28/2009 |
| 20090135053 | CODE GENERATION APPARATUS The code generation apparatus includes: a clock generation unit (160) which generates a clock signal of a first frequency; a timing control unit (130) which generates a timing signal of a second frequency lower than the first frequency; a code table storag... | 05/28/2009 |
| 20090121925 | Energy Emission Event Detection Methods and systems for detecting an energy emission event are provided. In a method for detecting an energy emission event, a reference event signal is compared with a received event signal. In some embodiments, the reference event signal is associated with radiated en... | 05/14/2009 |
| 20090078037 | Method for measuring surface currents using a long-range single station high frequency ground wave radar system A method for measuring ocean surface currents using a long-range single station high frequency ground wave radar system includes the steps of forming a rectilinear grid based region, dividing the rectilinear grid into a plurality of sub-regions each having a uniform sur... | 03/26/2009 |
| 20090046004 | PROCESSING VIRTUAL AND LIVE TRACKS TO FORM A VIRTUAL-OVER-LIVE ENVIRONMENT In one aspect, a method includes receiving live radar data, receiving virtual radar data, merging the live radar data and the virtual radar data to form merged data, and tagging the merged data with a virtual tag indicator to indicate a presence of the virtual radar dat... | 02/19/2009 |
| 20090021422 | Device and method for estimating the number of arrival signals A largest eigenvalue is determined among eigenvalues corresponding to a correlation matrix indicating correlations between a plurality of channels receiving incoming radar waves from an object that reflects a radar wave as a reference eigenvalue λ1. A ratio ... | 01/22/2009 |
| 20080316090 | DSSS radar, method implemented by radar and computer-readable storage medium A DSSS (Direct Sequence Spectrum Spreading) radar has a transmitting part to transmit a transmitting signal, including a predetermined code sequence, to one or a plurality of targets, a receiving part to receive a received signal corresponding to the transmitting signal... | 12/25/2008 |
| 20080297402 | BUILT-IN MISSILE RADAR CALIBRATION VERIFICATION Array antenna calibration verification coupling interrogator and responder with mode-related interrogation signal having a previous calibration phase angle, producing in responder a characteristic interrogation response. Conjugate signal is generated by reversing phase ... | 12/04/2008 |
| 20080297404 | COMMUNICATION DEVICE WITH FRONT-END RADIO FREQUENCY ANTENNA MODULE A radio frequency communication front-end device having a front-end radio frequency antenna module comprises a microchip antenna and a radio frequency front-end signal processing core chip, wherein the microchip antenna is used to emit and receive electromagnetic waves ... | 12/04/2008 |
| 20080231501 | Radar Apparatus Disclosed is a DBF radar apparatus comprising: an antenna for radiating a transmit signal; a plurality of antennas for receiving the transmit signal reflected from an object; a first selector switch section for sequentially selecting output terminals of the plurality of... | 09/25/2008 |
| 20080218401 | GNSS sample processor for determining the location of an event A digital camera for providing a short burst of global navigation satellite system (GNSS) signal samples in a picture data file with an approximate time for reading by a computer apparatus some time later for determining the geographical location and an accurate time of... | 09/11/2008 |
| 20080204308 | Radar Sensor A radar sensor having a transceiver device (10, 12), an analog/digital converter (14) for converting the received signals (A) into digital data, a memory device (18) for storing the digital data as a useful data set (D1) which provides the di... | 08/28/2008 |
| 20080204309 | Radar System A radar system comprises a transmitter that transmits a predetermined wideband signal, a digital receiver that records a returned signal using a one-bit ADC, a random noise source that is added to the transmitted or returned signal, a processing means where the received... | 08/28/2008 |
| 20080204310 | METHODS AND SYSTEMS FOR FREQUENCY INDEPENDENT BEARING DETECTION A system and method are provided for estimating bearing of a target based on RF signals received by an array of antenna elements. The system comprises first and second input channels that are configured to receive analog signals that correspond to first and second anten... | 08/28/2008 |
| 20080186225 | Markov Sequential Detector The present invention relates to the general problem of detection by sonar or radar. It is concerned in particular with the initial detection of a signal of interest in a data stream corresponding to the signal received by such equipment. This initial detection is trans... | 08/07/2008 |
| 20080169963 | RADAR SYSTEM WITH AGILE BEAM STEERING DEFLECTOR A radar system including a base unit and one or more radar sensors. The radar sensor is capable of steering a beam in a scanning or tracking manner in both azimuth and elevation. Automated and independent control in azimuth and elevation may be achieved based on configu... | 07/17/2008 |
| 20080169964 | Systems and Methods for a Terrain Contour Matching Navigation System Systems and methods for terrain contour matching navigation are provided. In one embodiment, a method for terrain contour matching navigation comprises: receiving at least one sample point representing the position of an aircraft, the at least one sample point including... | 07/17/2008 |
| 20080169972 | METHODS AND SYSTEMS FOR PIECEWISE CURVE FITTING OR RADAR ALTIMETER RANGE GATE DATA A method for compensating for range gate slide with respect to received returns within a radar altimeter is described. The method includes adjusting the amount of overlap between a range gate pulse and a radar return signal until an altitude output by the radar altimete... | 07/17/2008 |
| 20080159370 | Alternative Method For Equalizing DDS Generated Waveforms The present invention is directed to a method for equalizing a radio frequency (RF) waveform in a communication system. The method includes generating a DDS waveform at a predetermined instantaneous frequency. A digital instantaneous frequency signal corresponding to th... | 07/03/2008 |
| 20080122684 | Radar apparatus The portion corresponding to a main bang signal leaking from a transmission/reception switching unit is extracted as a frequency estimation signal from an IF signal from a mixer in a signal extracting unit, a frequency is estimated in a frequency estimating unit, and th... | 05/29/2008 |
