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| Number | Title | Issue Date |
| 7825850 | Method for measuring the muzzle velocity of a projectile or the like It is proposed to use the gun barrel or launcher tube or the muzzle brake as a waveguide, which, however, is operated at a frequency that is below the cutoff frequency of the relevant waveguide mode. The transmit coupler excites the relevant waveguide mode. An oscil... | 11/02/2010 |
| 7791529 | System for estimating the speed of an aircraft, and an application thereof to detecting obstacles The invention relates to a method of determining an estimated speed of an aircraft relative to ground being overflown by the aircraft, in which use is made of the sum of an acceleration measurement of the aircraft plus a difference value, the difference value being ... | 09/07/2010 |
| 7436356 | Method of cross-correlation and continuous wave interference suppression for GPS signal and associated GPS receiver A method for processing weak indoor signals in presence of cross-correlation or continuous wave interference and associated GPS receiver are provided. The method comprises providing a two-dimensional delay-Doppler accumulated power pattern having a plurality of accu... | 10/14/2008 |
| 7425917 | Radar for detecting the velocity of a target A radar including a target measurement component, a differential velocity calculator and an overall velocity determination portion. The target measurement component transmits and receives an electromagnetic wave over a detection range repeatedly at measurement inter... | 09/16/2008 |
| 7411544 | System and method for determining patrol speed A system for processing radar data from two or more areas of interest is provided, such as for simultaneously processing vehicle speeds in the opposite lane in front of the patrol vehicle and in the opposite lane behind the patrol vehicle. The system includes an ant... | 08/12/2008 |
| 7397416 | Police radar/laser detector with integral vehicle parameter display using a vehicle interface Calibration of an acceleration detector is initiated by a user depressable button such as a button indicating a vehicle is at rest and/or by the detector reading an OBDII vehicle communication protocol to determine the condition of the vehicle. Calibration permits m... | 07/08/2008 |
| 7385550 | Method for measuring distances and speeds of several objects by means of an FMCW radar Distance and velocity measuring at a plurality of objects using FMCW radar includes repeating measurements using different frequency ramps and including mixing transmitted and received signals, and recording the mixed signal's spectrum. A matching includes recording... | 06/10/2008 |
| 7365675 | Measuring wind vectors remotely using airborne radar Airborne meteorological radars and related networks and models. In one embodiment a network for creating a meteorological model includes a mobile sensing node and a modeling node. The sensing node includes a meteorological RADAR that senses the wind velocity. Data f... | 04/29/2008 |
| 7365674 | Airborne weather profiler network Apparatus and methods for remotely sensing meteorological conditions and for building models from the sensed conditions. More particularly, networks and systems are provided for gathering remotely sensed profiles of the meteorological conditions and for building the... | 04/29/2008 |
| 7352320 | FM-CW radar An FM-CW radar includes a transmitting section, a mixing section, an A/D conversion section, a storage unit, and a signal processing section. The transmitting section transmits a continuous wave frequency-modulated with a triangular wave. The mixing section mixes th... | 04/01/2008 |
| 7343221 | Control system of a robot cleaner A control system of a robot cleaner including a signal transmitting unit and a cleaning unit is provided. The signal transmitting unit wirelessly transmits reference signals, while the cleaning unit receives the reference signals from the signal transmitting unit an... | 03/11/2008 |
| 7333047 | System and method for spatially diverse radar signal processing An ultra wideband radar system for detecting objects where at least one of the radar system or the object is moving. The radar may be scanned in at least one dimension, which may include angle or range. The system includes a scan combiner that combines scan informat... | 02/19/2008 |
| 7333048 | Periphery monitoring system In a periphery monitoring system for monitoring movements of a mobile object around an installation location of a Doppler sensor, a signal output from the Doppler sensor is subjected to an FFT analysis, and a total sum of the frequency levels of all of the frequency... | 02/19/2008 |
| 7327179 | Pulse generator, optical disk writer and tuner A pulse generator is provided for generating pulses with a selectable variable width and/or delay. The pulse generator comprises an oscillator and a selecting arrangement for selecting how many of a first group of delay elements are connected in series for delaying ... | 02/05/2008 |
| 7327307 | Radar system with adaptive waveform processing and methods for adaptively controlling the shape of a radar ambiguity function An adaptive waveform radar system transmits a selected waveform of a family of related waveforms and either phase shifts or bit shifts the radar return signal for correlating with the other waveforms of the family. In some embodiments, phase shifting may be performe... | 02/05/2008 |
| 7310061 | Velocity sensor and ground vehicle velocity sensor using the same There is provided a highly accurate velocity sensor having a reduced detection error. A sensor circuit unit generates an electromagnetic wave and emits it from a transmission antenna. Furthermore, a reception antenna receives a reflection wave from the ground and a ... | 12/18/2007 |
| 7259714 | Unique space time adaptive system (USS) A method of detecting radar returns and measuring their parameters with or without clutter present and no clutter cancellation employed which includes transmitting at least one pulse; processing the returns surpassing a threshold detected in one range azimuth bin an... | 08/21/2007 |
| 7248206 | Instantaneous multisensor angular bias autoregistration Unknown alignment biases of sensors of a tracking system are estimated by an iterative Kalman filter method. Current measurements are corrected for known alignment errors and previously estimated alignment biases. The filter time reference is updated to produce esti... | 07/24/2007 |
| 7233898 | Method and apparatus for speaker verification using a tunable high-resolution spectral estimator A tunable high resolution spectral estimator is disclosed as a method and apparatus for encoding and decoding signals, signal analysis and synthesis, and for performing high resolution spectral estimation. The invention is comprised of an encoder coupled with either... | 06/19/2007 |
| 7227494 | 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 signal... | 06/05/2007 |
| 7221309 | FM-CW radar system In an FM-CW radar system, a frequency modulating said modulating wave output from said modulating signal generator has a frequency variation skew with respect to a time axis (modulation skew), and the radar system includes a means for varying the modulation skew by ... | 05/22/2007 |
| 7218271 | System and method for determining patrol speed A system for processing vehicle speed data for a vehicle is provided. The system includes a front antenna assembly of the vehicle generating a front digital signal, and a rear antenna assembly of the vehicle generating a rear digital signal. A fast Fourier transform... | 05/15/2007 |
| 7212149 | System, method and computer program product for detecting and tracking a moving ground target having a single phase center antenna A synthetic aperture radar (SAR) system having a single phase center antenna is provided, the SAR system including a measurement unit and a tracker unit. The measurement unit is capable of receiving a phase history of a target point scatterer. From the phase history... | 05/01/2007 |
| 7202810 | Radar apparatus and radar signal processing method A radar apparatus and a radar signal processing method can prevent misdetection even in the case of targets running side by side without an azimuth angle error being varied in accordance with the velocities of the targets. An antenna direction control part controls ... | 04/10/2007 |
| 7176828 | Near-field antenna array with signal processing Method and apparatus for extracting coherent information from in-phase (I) and quadrature (Q) signals. In a form, signals from an antenna array are mixed to form a plurality of I and Q signals that combined to form respective complex vectors. Each vector is adjusted... | 02/13/2007 |
| 7132975 | Apparatus and method for detecting moving objects An ultra wideband radar system for detecting moving objects comprising an antenna, which may be scanned in at least one dimension, and a signal processor wherein the signal processor includes a scan combiner that combines scan information in accordance with a candid... | 11/07/2006 |
| 7120215 | Apparatus and method for on-chip jitter measurement A jitter measurement circuit is described comprising delay elements arranged in a serially-connected chain, and first and second sets of circuitry. Each delay elements has an associated delay, an input and an output that produces a delayed version of the signal at t... | 10/10/2006 |
| 7098844 | Acceleration detector with integral vehicle parameter display using a vehicle interface Calibration of an acceleration detector is initiated by a user depressable button such as a button indicating a vehicle is at rest and/or by the detector reading an OBDII vehicle communication protocol to determine the condition of the vehicle. Calibration permits m... | 08/29/2006 |
| 7091901 | Traffic radar system with improved patrol speed capture A traffic radar captures the patrol vehicle return signal by saving the patrol return when the radar system is placed in a standby state. If the radar is in standby for more than a predetermined period of time before reentering a transmitting mode, the system search... | 08/15/2006 |
| 7084807 | Method and apparatus for generating HF signals for determining a distance and/or a speed of an object The present invention provides a method for generating HF signals for determining a distance and/or a speed of an object, having the following steps: generating a pulsed demodulated signal (6′) from a first signal (3) and a second signal (4) i... | 08/01/2006 |
| 7068212 | Doppler complex FFT police radar with direction sensing capability A series of police Doppler single mode radars and a multimode police Doppler radar, all with direction sensing capability are disclosed. A quadrature front end which mixes received RF with a local oscillator to generate two channels of Doppler signals, one channel b... | 06/27/2006 |
| 7061423 | Interleaved sweep for detection of pop transmissions in police radar detectors In a police radar detector, a sweep signal defines at least one first sweep signal and at least one second sweep signal with the at least one second sweep signal being seamlessly inserted into the first sweep signal so that the first sweep signal is interrupted duri... | 06/13/2006 |
| 7053815 | Radar tracking system A radar tracking system for an anti-aircraft, missile, including angle tracking, doppler tracking and range tracking feedback loops operating on sum and difference channels. Fast fourier transform digital filters are used to provide a frequency spectrum of the sum a... | 05/30/2006 |
| 7054403 | Phase-Locked Loop A phase lock circuit has a signal path to which a phase comparator, a loop filter and a voltage control oscillator are connected in series, the phase comparator being adapted to compare the phase of an input signal VIN with the phase in the output signal ... | 05/30/2006 |
| 7049999 | Modulation circuit for a vehicular traffic surveillance Doppler radar system A modulation circuit for a traffic surveillance Doppler radar system is disclosed. In one embodiment, the modulation circuit is utilized in a vehicular traffic surveillance Doppler radar system that processes a reflected double-modulated FM signal to determine a tar... | 05/23/2006 |
| 7050652 | Methods and arrangements to enhance correlation The present invention is in the area of correlation of tracks from different sensors or sensor systems. Embodiments encompass systems of process and/or equipment to format tracks from more than one sensor to be compared or correlated by statistical and/or optical co... | 05/23/2006 |
| 7023377 | Noise modulated remote distance measurement The invention relates to remote distance measurement by means of a transmitted noise modulated probing signal (E), whereby at least one of a distance (Y(t)) and a velocity (V(t)) in relation to a signal transceiver (200) is determined. The probing of signal (... | 04/04/2006 |
| 7023376 | Radar apparatus The invention provides a radar that transmits a radio wave and receives an echo of the radio wave, which is characterized by possessing (1) a reception means that detects a beat signal of the echo and the radio wave, (2) a first frequency analysis mean... | 04/04/2006 |
| 7012560 | Object sensing apparatus An object sensing apparatus for driver assistance systems in motor vehicles, including at least two sensor systems which measure data concerning the location and/or motion status of objects in the vicinity of the vehicle, and whose detection regions overlap one anot... | 03/14/2006 |
| 6982668 | Tangential velocity measurement using interferometric MTI radar Radar systems use time delay measurements between a transmitted signal and its echo to calculate range to a target. Ranges that change with time cause a Doppler offset in phase and frequency of the echo. Consequently, the closing velocity between target and radar ca... | 01/03/2006 |
