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8184038 |
Two-way ranging with inter-pulse transmission and reception
Relatively short turnaround times are provided in conjunction with two-way ranging to, for example, facilitate accurate ranging measurements when the relative clock drift between ranging nodes...
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8169359 |
Pulse doppler radar device
A judging and controlling part 110 comprises an operation mode judging unit 111, a pulse width selecting unit 112, and a band limiting width selecting unit 113, wherein the operation mode judging...
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8169360 |
Systems and methods of range tracking
A system(s) and method(s) of tracking a target(s). Systems include at least one electronic waveform processor operatively associated with an apparent emitted signal electronic sensor and a...
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8169361 |
Electronically scanned radar system
A sampled beat signal RD is split into a plurality of short-time data SD in the time direction, for each of antenna elements. Interference component frequency of an interference wave is detected...
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8149158 |
Device for estimating information on target object
A target object information estimating device embodied by an electronically agile radar sensor is mounted in a moving vehicle. The device has a unit outputting a radar wave every measuring period,...
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8144673 |
Method and system for employing a dedicated device for position estimation by a WLAN positioning system
Methods and systems of employing a dedicated device for position estimation by a WLAN-based positioning system. A device estimates the position of itself in response to gathering wireless signal...
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8140225 |
System and method for classifying a target vehicle
A system and method for classifying a target vehicle using a sensor system, including a plurality of target vehicle sensors. The sensor system acquiring target vehicle data points that define at...
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8130513 |
Radio-frequency package
A radio-frequency package includes a radio-frequency device, a multilayer dielectric substrate, and an electromagnetic shield member. The multilayer dielectric substrate includes an internal...
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8131326 |
GPS position tracking method with variable updating rate for power conservation
A system and method in which the position update rate is adaptively modified, based on previous position measurements. By adjusting the update rate based on velocity predictions from two or more...
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8125372 |
Driver assistance system and method for checking the plausibility of objects
In a method for checking the plausibility of objects in driver assistance systems for motor vehicles is described, two measured variables are derived from position data from two object...
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8085184 |
Radar device and processing method therefor
According to a conventional method of correlating beat frequencies in a radar device, a detecting state of a target differs at the time of up-chirping and at that of down-chirping, so that, when...
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8077075 |
Object verification method for use in radar systems for motor vehicles
In an object verification method for use in radar systems for motor vehicles, the distances and relative velocities of located objects are determined on the basis of received radar echoes. The...
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8044846 |
Method for deblurring radar range-doppler images
A method for displaying information relating to the range and Doppler of a remote target includes transmitting electromagnetic energy toward the target, and receiving reflected signals defining a...
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8035546 |
Method for detecting at least one moving object
A method for the detection of at least one moving object in a pre-determined detection zone by way of a speed sensor. The method includes the following steps: determining a detection zone within an...
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8031106 |
Object ranging
A method for determining at least one of the distance to and the speed of an object is discussed. The method comprises determining an indication of whether the object is approaching or moving away...
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8026843 |
Radar methods and systems using ramp sequences
One embodiment of the present invention relates to a method for detecting a range and velocity of a target. In this method, an electromagnetic wave is transmitted over a frequency range, where a...
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8004454 |
Mobile electronic device equipped with radar
The present invention is directed towards method, apparatus, and computer product for obtaining additional information in relation to a target in the vicinity of a mobile electronic device as well...
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7995644 |
Device, method and protocol for private UWB ranging
An apparatus, system, method and computer program product for secure ranging between at least two devices in radio communications with each other. In particular, an apparatus, system, method and...
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7982660 |
Measuring device for a motor vehicle
A measuring device , e.g., a measuring device for a motor vehicle, is for measuring a distance between the measuring device and at least one object and/or measuring a difference in speed between...
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7944392 |
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...
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7928897 |
Target detection method for use in radar and radar device using the target detection method
A radar device includes a transmission antenna and a reception antenna having a plurality of antenna elements. The radar device switches the antenna elements in synchronization with a modulation...
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7924215 |
Radar apparatus and mobile object
A signal processing circuit detects, at a plurality of different timing points, a first and a second distance of an oncoming vehicle approaching a vehicle including the radar apparatus and detects...
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7916068 |
Generalized inner product method and apparatus for improved detection and discrimination
Method and apparatus for improving the detection and discrimination of slow moving or stationary range-Doppler spread objects on or in close proximity to the ground (or sea surface). Invention...
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7893865 |
Vehicular lamp
A vehicular lamp includes a lamp chamber formed by a lamp body opening forward and a transparent front cover attached to a forward opening portion thereof; a lamp unit disposed within the lamp...
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7889119 |
Radial gap measurement on turbines
Radial gap measurement on turbines by a microwave measuring method and an evaluation of a Doppler effect which varies according to the size of the radial gap is described. At least one radar sensor...
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7873099 |
Time transfer using ultra wideband signals
Time is transferred from an ultra wideband (UWB) transmitter to UWB receiver by transmitting a signal structure having an associated timing reference point together with a time value for the timing...
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7818127 |
Collision avoidance for vehicle control systems
A method and apparatus for at least semi-autonomously controlling a vehicle so as to avoid collisions are provided. A sensor is utilized to scan an area proximate the vehicle for a potential object...
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7791528 |
Method and apparatus for radar signal processing
A radar apparatus and method for determining the range to and velocity of at least one object comprising, transmitting a plurality of RF signals, each comprising a particular frequency and being...
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7786927 |
Radar, radio frequency sensor, and radar detection method
In a sensor and a radar for measuring the distance and the moving speed of a target by radiating a radio frequency, particularly a millimeter wave, compatibility between cost reduction and high...
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7786926 |
Radar system for motor vehicles
A radar system for motor vehicles, having a radar sensor and an evaluation device for measuring distances and relative velocities of objects in the surrounding field of the vehicle, and a collision...
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7782248 |
UWB distance measurement system and method of driving the same
The present invention relates to a UWB distance measurement system and method of driving the system. The system includes a reception antenna for receiving a signal, which is output from a...
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7768963 |
System and method of improving sampling of WLAN packet information to improve estimates of Doppler frequency of a WLAN positioning device
Systems and methods of improving sampling of WLAN packet information to improve estimates of Doppler frequency of a WLAN positioning device. A device estimates the position of itself. The device...
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7764223 |
Radar apparatus
Marine radar apparatus propagates groups of three pulses A, B, C of the same amplitude but different widths, the shorter pulse enabling detection of close range targets and the longer pulses...
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7761236 |
Object recognition apparatus for vehicle 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...
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7755536 |
Method of signal processing for determining range and velocity of an object
The present invention is a method of finding range and velocity of a target in a radar system using a time scale factor. Specifically, sending at least one signal from at least one transmitter to a...
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7755533 |
Interferometric switched beam radar apparatus and method
An interferometric switched beam radar apparatus and method are disclosed. In one embodiment, a selected antenna of a planar array of beam forming antennas is activated with a substantially...
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7737882 |
Radar device
A radar device can reliably, and rapidly detect dirt adhered to a radome surface without misdetection. The radar device includes a transmit/receive shared antenna (306) that transmits an electric...
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7728762 |
Method for detecting interference in radar system and radar using the same
A method for detecting an occurrence of interference between a return of a radar wave which has been transmitted by a radar and has an oscillating amplitude in time and a radio wave transmitted by...
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7714771 |
Method and device for measuring the distance and relative speed of multiple objects
A method and device are provided for measuring distance and relative speed of a plurality of objects with the aid of an FMCW radar, transmitted signals being reflected by objects, and the reflected...
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7714769 |
Method for estimating the width of radar objects
In a method for estimating the width of radar objects in a position finding system for motor vehicles, which has at least two angle-resolving radar sensors, the reflection points positioned by...
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7702370 |
GPS position tracking method with variable updating rate for power conservation
A system and method in which the position update rate is adaptively modified, based on previous position measurements. By adjusting the update rate based on velocity predictions from two or more...
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7692572 |
Detecting and ranging apparatus and detecting and ranging program product
A detecting and ranging apparatus and a program product obtain a correct relative velocity vector by a simple calculation based on a relative distance etc. obtained by a plurality of detectors such...
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7688252 |
Radar system, in particular for measuring distance and/or speed
In a radar system, harmonic excitation of an antenna is carried out in different frequency ranges. The antenna characteristic which varies as a function thereof is used to analyze different solid...
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7671788 |
Apparatus and method for suppression of unnecessary signals in a radar system
By pulsing transmission radio waves of continuous wave radar, clutter components included in a reception signal are suppressed. In a radar system that emits into space pulsed transmission radio...
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7663534 |
Radar sensor and method for analyzing objects
A method and a radar sensor for transmitting frequency-modulated transmitted signals and receiving partial waves reflected by objects in the sensor detection range. A frequency shift of the...
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7652615 |
Methods and systems providing an adaptive threshold for a beam sharpened pulse radar
A radar sensor is described that includes a radar transmitter, a radar receiver configured to receive reflected returns of signals output by the radar transmitter, and a signal processing unit...
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7633433 |
Method for detecting and documenting traffic violations at a traffic light
A method for detecting and documenting red-light violations and/or speeding violations in which a radar beam is directed across all lanes of a roadway of interest and in which the speed and the...
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7629920 |
Entropy method for range alignment for integration of target returns
The proper timing or alignment for coherent or noncoherent integration of radar pulses returned from a potentially moving target is determined by determining the entropy associated with sets of...
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7626538 |
Augmented passive tracking of moving emitter
In one embodiment, the disclosure relates to a method for estimating and predicting a target emitter's kinematics, the method including the steps of: (a) passively sampling, at a first sampling...
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7626534 |
Unified navigation and inertial target tracking estimation system
A target tracking method uses sensor(s) producing target signals subject to positional and/or angular bias, which are updated with sensor bias estimates to produce updated target-representative...
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