Match Document Document Title
7304609 Hybrid wireless ranging system and associated methods  
A wireless ranging system includes a first wireless unit and a second wireless unit spaced therefrom. The first wireless unit may include a time-of-arrival (TOA) wireless transmitter, and a...
7292179 Instantaneous passive range finding  
A method and apparatus for use in determining the range in a single time sample from a platform to a target are disclosed. The method includes receiving radiation emanating from the target at two...
7286080 High-frequency transmitting/receiving apparatus, radar system having the same, and vehicle and small boat equipped with the radar system  
Provided is a millimeter-wave transmitting/receiving apparatus of pulse-modulation type in which pulse-modulated millimeter-wave signals for transmission are prevented from being outputted to a...
7274324 Apparatus and method of tracking objects in flight  
A path in three-dimensions for an object in flight is determined according to a radar signal reflected by the object. The radar signal is transmitted at an offset angle from horizontal sufficient...
7271761 Distance calculating method and system  
In a system, a frequency-modulating unit is configured to frequency-modulate a radar wave signal within a predetermined frequency modulation range from bottom to top so that a frequency of the...
7264198 Time-to-go missile guidance method and system  
A method and apparatus for guiding a vehicle to intercept a target is described. The method iteratively estimates a time-to-go until target intercept and modifies an acceleration command based...
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...
7248210 Man-portable counter mortar radar system  
The present invention is a man-portable counter-mortar radar (MCMR) radar system that detects and tracks enemy mortar projectiles in flight and calculates their point of origin (launch point) to...
7245252 Method for determining the distance between two transmitting and receiving stations  
In a method for determining the distance between two transmitting and receiving stations, a transmission signal is generated in each station and is transmitted as a series of microwave pulses...
7239268 Method and apparatus for minimizing the number of power amplifiers required under multiple transmission conditions  
The number of power amplifiers required to amplify a plurality of transmission signals is reduced by using non-linear transmission lines (NTL) circuits. In general, a “combining” NTL circuit is...
7230524 Obstacle detection device  
An obstacle detection device includes: an obstacle detection section (11) for emitting beams having a predetermined divergence angle consecutively in a plurality of different directions, receiving...
7221310 Electric wave axis adjusting apparatus for radar mounted on vehicle  
The present invention provides an electric wave axis adjusting apparatus for an on-vehicle radar capable of readily and precisely adjusting an electric wave axis only by making the scanning range...
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...
7209073 Method and device for determining the filling level of a medium in a container  
The invention relates to a method for determining the filling level of a medium in a container. A mixer that has at least one mixer blade and a mixer frequency (f<1>R) is disposed in the...
7209071 System and method for distance measurement  
A system and method for performing distance measurement using wireless signals. A time of flight calculation is enabled by an interrogating device that transmits an interrogation signal to a...
7205932 Method and apparatus for improved determination of range and angle of arrival utilizing a two tone CW radar  
An improved system is provided for aiming a shotgun-based or other countermeasure system so as to be able to countermeasure incoming rockets or projectiles. In one embodiment a shotgun aimed and...
7205931 Method for determining the distance between a base station and a mobile object, in addition to a base station and identification system for a method of this type  
A method for determining the distance between a base station (SLG) and a mobile object (DT1–DT3). A HF carrier frequency and an offset frequency (df) are predetermined for a QAM modulation. The HF...
7205930 Instantaneous 3—D target location resolution utilizing only bistatic range measurement in a multistatic system  
A multistatic radar has a radar transmitter for illuminating a target with a radar signal. The target reflects the radar signal to three separate radar receivers, each performing a bistatic range...
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,...
7202776 Method and system for detecting objects external to a vehicle  
Method and system for obtaining information about objects in the environment outside of and around a vehicle and preventing collisions involving the vehicle includes directing a laser beam from...
7199751 Radar equipment  
A radar equipment of the present invention amplifies a reception signal with feedback based on the delay amount obtained from the correlation detection result. Accordingly, it becomes possible to...
7196654 Vehicle positioning and tracking radar system  
A vehicle positioning and tracking radar system includes a rotating antenna with a pair of spatially separated transmit feeds for simultaneously transmitting a pair of frequency-modulated...
7196629 Radar-assisted sensing of the position and/or movement of the body or inside the body of living beings  
The present invention relates to a method for sensing information about the position and/or movements of the body of a living being or a part of the body inside the body, in particular for use in...
7190306 Method and system for detecting with radar the passage by a vehicle of a point for monitoring on a road  
The invention relates to a method for detecting the passage by a vehicle of a determined point for monitoring on a road, wherein from a remotely situated location a radar beam is transmitted...
7187321 Interference determination method and FMCW radar using the same  
Occurrence of interference is detected using sampled amplitude data obtained by oversampling a beat signal. It is detected by comparing the absolute value (|VD|) of variation in the sampled data...
7187320 Matched maneuver detector  
A target tracking arrangement predicts the state of a target. The predictor may be a Kalman filter. In the presence of a target which is maneuvering, the prediction may be in error. A maneuver...
7176789 Method for measuring distance and measuring device for it  
A method for distance measuring using at least two contact-less distance sensors, e.g., ultrasound sensors, is provided, which distance sensors each have one emitter for emitting measuring pulses...
7176830 Image processing system for mounting to a vehicle  
An image processing system to be mounted to a vehicle includes a radar adapted to measure distance and direction to an object based on reflected electromagnetic waves which are outputted to scan...
7170440 Linear FM radar  
A FM-CW radar system comprises a frequency modulated continuous wave digital generator that produces both in-phase (I) and quadrature-phase (Q) outputs to orthogonally oriented transmitter...
7167124 Data acquisition for a ground penetrating radar system  
A system and method for measuring ground penetrating radar data is described which includes controlling the timing for generating stimulus electromagnetic waves and the sampling rate of reflected...
7161526 Broadband radar and modulator, in particular for microwave switching over a very short period  
The present invention relates to an ultrawideband radar. It also relates to a modulator, in particular for switching microwaves over a very short duration. The radar includes a modulator...
7158076 Method and apparatus for correcting velocity-induced range estimate phase errors in a two-tone monopulse CW radar  
A method and apparatus is provided for correcting the phase difference estimate derived from a two-tone CW radar to correct velocity-induced range estimate phase errors by offsetting the phase...
7151478 Pseudo-orthogonal waveforms radar system, quadratic polyphase waveforms radar, and methods for locating targets  
In some pseudo-orthogonal waveform embodiments, a radar system transmits pseudo-orthogonal waveforms and performs multiple correlations on a combined single receiver channel signal. In some...
7151482 Antenna configuration and radar device including same  
A radar device (2) includes plural transmission antennas and plural reception antennas. The reception antennas constitute a reception-side antenna portion (20) and are arranged at an interval of...
7148840 Radar apparatus, radar apparatus controlling method  
A radar apparatus comprises: a transmitter unit having a high-frequency oscillating unit whose oscillation frequency is variable, and a pulse amplitude modulating unit for amplitude-modulating a...
7145502 Distance measurement method and device  
A distance can be measured with high resolution. A frequency controller (7) controls a voltage control oscillator (2) so as to change a signal source frequency f in a range containing two center...
7145501 Methods and systems for measuring terrain height  
An altitude measuring system is described that includes a radar altimeter configured to measure altitude and a digital terrain map database. The database includes data relating to terrain...
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...
7142153 Short pulse/stepped frequency radar system  
A unique hardware architecture that combines short pulse, stepped frequency and centerline processing. The inventive architecture implements a radar system having a transmitter for transmitting...
7142150 Method and system for detecting an object using a composite evidence grid  
A method and system for detecting an object uses a composite evidence grid based on dual frequency sensing. A source transmits a laser transmission in a first zone. A detector receives a...
7139581 Method and system for distance measurement in a low or zero intermediate frequency half-duplex communications loop  
A method and system for distance measurement in a low or zero intermediate frequency (IF) half-duplex communications loop measures the distance between two transceivers without synchronizing the...
7136011 System for avoidance of collision between an aircraft and an obstacle  
A field unit for warning of a danger of collision between an aircraft and an obstacle, in particular a topographical ground obstacle or an obstacle formed by a mast, building or aerial cable...
7136753 Object recognition apparatus for vehicle, inter-vehicle control apparatus, and distance measurement apparatus  
In an object recognition apparatus for a vehicle which uses intensities of reflected waves from reflecting objects to make a recognition on whether a reflecting object is a vehicle or a...
7119736 Transponder system and method for measurement of separation  
Separation determination systems for determining the separation between a base station and a transponder, whereby the base station includes an oscillating signal source, for generating a signal...
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,...
7119738 Object location system and method using RFID  
A system and method is provided for locating objects using RFID tags. The system and method uses an RFID reader and a distance calculator to efficiently and accurately determine the location of...
7113130 Method and system for determining location by implication  
Systems and methods for determining location by implication are described. A responsive environment includes a location determination method that operates in an area that is only partially...
7106242 High range resolution radar system  
Described herein is a method and apparatus for improving high range resolution of a radar system. The method comprises phase shifting a radar pulse to be transmitted at substantially the radar...
7106247 Radar level gauge with antenna arrangement for improved radar level gauging  
The present invention relates to a radar level gauge (1) comprising an antenna (2), a tank sealing (3), an electronics unit (4) and a waveguide feed (5) between the electronics unit (4) and the...
7106250 Robust predictive deconvolution system and method  
A method for processing a received, modulated pulse (i.e. waveform) that requires predictive deconvolution to resolve a scatterer from noise and other scatterers includes receiving a return...