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7616148 |
Microwave smart motion sensor for security applications
A dual mode motion sensor for detecting both motion of a moving target and a range of the moving target. The dual mode motion sensor normally operates in a pulse transmission mode. If motion is...
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7605747 |
Method for compensating for the positional errors of a sensor
A method for determining or compensating for the positional errors of a sensor tracking a target comprises the steps of operating the sensor to generate sensed information relating to the target...
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7598904 |
Method and measuring device for determining a relative velocity
The present invention relates to a method and device for determining a relative velocity between a host ( 100 ) and a target ( 102 ). The present invention relates in particular to a method of the...
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7579981 |
Signal processing method for FM-CW radar
Disclosed is a signal processing method for an FM-CW radar that can accurately detect the relative distance, relative velocity, etc. with respect to a target approaching or receding at a high...
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7567206 |
Integrated circuit for measuring the distance and/or velocity of objects
An integrated circuit for measuring the distance and/or velocity of objects, having: a high-frequency signal generating device for generating a first HF signal having a predefined frequency and a...
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7567200 |
Method and apparatus for body position monitor and fall detect ion using radar
A radar fall detector system. The radar fall detector system includes transmitter and receiver antennae and a signal processor that processes a reflected signal. Doppler analysis of the reflected...
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7564400 |
Spread spectrum radar apparatus
It is an object of the present invention to prevent the sensitivity of radar apparatus from falling. A spread spectrum radar apparatus which detects an object, includes a carrier wave oscillator...
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7548187 |
Adaptive clutter filtering to improve high sub-clutter visibility radar detection performance
In an aircraft-mounted Doppler radar clutter rejection system, a flexible, sharp band pass filter uses Taylor weighting, an FFT and a module for selecting which of the Doppler cells are to be...
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7545312 |
Target detection device and its detection method
This invention relates to a target detection device and its detection method, comprising: a transmitting unit for transmitting a detecting pulse to detect target which then reflects the detecting...
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7526369 |
Pedestrian detection device, related method, air bag system and vehicle equipped with air bag system
A pedestrian detection device, a related method, an air bag system and a vehicle are disclosed. The pedestrian detection device 20 includes an infrared ray sensor 30 A, which detects a...
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7508337 |
Radar apparatus and signal processing method
The radar apparatus of the present invention can obtain distance to a target and speed with higher accuracy even when multiple targets are running within a detecting field of a radar. The radar...
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7504990 |
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...
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7501976 |
Monopulse traffic sensor and method
A method and system for determining a position of a vehicle within a field of view using a traffic sensor are provided. This involves (a) mounting the traffic sensor at a fixed location relative to...
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7496449 |
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...
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7495604 |
Electronic scanning radar apparatus
A sampled beat signal is cut out into two or more short time data in a time direction concerning each antenna component. From a frequency spectrum of the short time data, an interference element...
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7492310 |
Motor vehicle wheel behaviour and radar system
An FMCW radar method is presented in which a radar system of a motor vehicle emits and receives radar waves, and in which a distance between an object and the motor vehicle is determined from a...
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7486225 |
Radar device
A data code generator produces a data code, while a reference code generator produces a reference code. The data code is phase-shifted by the data code generator in a predetermined sweep range,...
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7474259 |
Traffic sensor and method for providing a stabilized signal
A traffic sensor is mounted at a fixed location to monitor multiple lanes of traffic. The traffic sensor (a) generates a programmable time-varying modulating signal; (b) generates a modulated...
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7474255 |
Target tracking method of radar with frequency modulated continuous wave
The present invention relates to a target tracking method of radar with frequency modulated continuous wave, which transmits a transmitted signal to receive a return wave of the transmitted signal...
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7466260 |
Radar apparatus
In a radar apparatus, IF beat signals are detected in a first section and a second section serving as two adjacent frequency up-modulation sections of a transmitted wave. Frequency conversions such...
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7463182 |
Radar apparatus
An inexpensive surveillance radar apparatus capable of identifying the kind of an object by using a monopulse radar that performs wide-angle two-dimensional surveillance. The radar apparatus...
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7463181 |
Method of suppressing interferences in systems for detecting objects
In a method for suppressing interferences while detecting objects in a target area, a transmitter transmits a sequence of pulses into the target area, and a receiver detects the resulting...
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7432849 |
Frequency modulation radar apparatus for vehicle use background of the invention
A frequency modulation radar apparatus for vehicle use can suppress the influence of noise to avoid incorrect estimation due to noise thereby to provide a beat frequency with high accuracy and at...
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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...
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7409294 |
Traffic alert police radar
An enhanced police Doppler direction sensing radar detects possibly dangerous traffic conditions during certain vehicle maneuvers such as U-turns and returns to travel after roadside stops. By...
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7391361 |
Signal processing method for FM-CW radar
Disclosed is a signal processing method for an FM-CW radar that can accurately detect the relative distance, relative velocity, etc. with respect to a target approaching or receding at a high...
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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...
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7373237 |
Speed regulator with distance regulating function
A speed controller for motor vehicles is provided, the vehicle having a distance regulating function, a locating system for detecting locating data for objects that are in front of the vehicle, and...
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7369598 |
Ultra-wideband receiver and transmitter
A waveform-adaptive ultra-wideband (UWB) transmitter and noise-tracking UWB receiver for use in communications, object detection and radar applications. In one embodiment, the output of an...
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7362261 |
Linear frequency-modulated pulse radar
A linear frequency-modulated pulse radar system is provided in which the echo signal is mixed with a de-ramp signal, in order to reduce the bandwidth. The transmission signal of the pulse radar and...
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7339518 |
FMCW radar device and method for detecting interference
An FMCW radar device executes a frequency analysis for a beat signal in a frequency increase interval and a frequency decrease interval, to obtain frequency components in a predetermined high...
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7336221 |
High frequency package, transmitting and receiving module and wireless equipment
A multilayer dielectric substrate includes a first signal via, a second signal via, an internal-layer signal line, an internal-layer ground conductor, and ground vias. The first signal via is...
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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...
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7317417 |
Methods for detection and tracking of targets
The present invention relates to active sensor applications, and more particularly is directed to efficient systems and methods for detection and tracking of one or more targets. The invention...
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7268722 |
Angular resolution antenna system
For an angle-resolving antenna system, only two radar sensors are provided including separate transmitting and receiving antennas. The receiving antennas of the two radar sensors are switchable...
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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...
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7248208 |
Methods and systems for maintaining a position during hovering operations
A method for maintaining a position of a hovering vehicle that incorporates a radar altimeter is described. The method includes receiving signals at the radar altimeter based on a change of...
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7248207 |
System and method for sidelobe reduction using point spread function expansion
Systems and methods for detecting targets using pulse-compressed radar signals are disclosed. In one application, relatively small targets that are masked by the time-sidelobes of a larger target's...
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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...
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7242344 |
Radar apparatus and radar signal processing method
A radar apparatus calculates distances or relative speeds of a target according to a plurality of formulae. An predicted distance calculation formula is obtained at the following observation from...
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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...
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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...
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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...
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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...
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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...
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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...
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7136013 |
Radio-wave radar system and adaptive cruise control system
In a radio wave radar system using a two-frequency CW modulation method, it is possible to detect a distance between a host vehicle and a forward vehicle and to realize a stable ACC following...
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7123184 |
Transmit-receive FM-CW radar apparatus
A transmit-receive FM-CW radar apparatus according to one mode of the invention comprises: a mixer for downconverting an IF signal; a switch provided on the input side of the mixer; and a switch...
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7119734 |
Target determination apparatus, target judgment apparatus, and determination aid apparatus
A target determination apparatus for determining type of a target, includes a transmission unit, a reception unit, and a determination unit. The transmission unit emits an electromagnetic wave. The...
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7095362 |
Radar measurement device, especially for a motor vehicle, and method for operating a radar measurement device
The present invention relates to a radar measuring device which, with a simple design, ensures reliable distance determination even when a mixed signal is zero, and a method for operating a radar...
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