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9035823 Method for monitoring the state of a fill level measuring device operating according to the radar principle  
A method for monitoring the state of a fill level measuring device (1) operating according to the radar principle and such a fill level measuring device, wherein the fill level measuring device...
9030352 Sensor rotation bias removal  
A method for determining rotation bias in a sensor using a cooperative target that includes receiving, via a processor, sensor data acquired in a field of view of a sensor at a plurality of points...
9024805 Radar antenna elevation error estimation method and apparatus  
Methods and systems of determining the altitude of an aircraft are provided. The method includes receiving data associated with aircraft position, a position of a first point and a second point on...
9024807 Verification of a level gauge system  
The present invention relates to a method of verifying a measurement accuracy of a level gauge system. The method comprises determining a first measurement value indicative of a time-of-flight of...
9019154 Radar circuit, radar system and method for testing  
A radar circuit for controlling a radar antenna in a vehicle comprises an antenna connection for connection of a radar antenna, a transmitting and receiving circuit for transmission and reception...
9019153 Calibration of large phased arrays using fourier gauge  
Methods and apparatus for a calibration system including a support structure movable over an array, a super-element secured to the support structure to obtain information at selected locations in...
9007259 Flight line noise tester  
Phase noise analyzing system that analyzes phase noise in radio frequency (RF) signals provided by a device under test when coupled thereto includes a low noise receiver that receives at a first...
8994580 Sensor, adjusting method, and measuring method for a sensor  
A sensor for a vehicle includes a sensor housing, a surface of which sensor housing has at least three areas defining at least three reference measuring fields. Positions of the at least three...
8988280 Calibration of active electronically scanned array (AESA) antennas  
The present invention concerns an active electronically scanned array antenna comprising: an active array, configured for radiating/receiving radiofrequency signals through first radiating...
8957808 Phased array antenna and its phase calibration method  
A phase array antenna includes an oscillator, a plurality of antenna elements, a phase shifter, a distributor, a receiving unit, and a control processor. The control processor performs a...
8957807 Internal multi-axis G sensing used to align an automotive forward radar to the vehicle's thrust axis  
A motor vehicle includes a vehicle floor, a tilt sensor attached to the vehicle floor and having an output, and a forward looking radar module attached to the vehicle. The radar module includes a...
8952842 High-precision, compact altimetric measurement system  
An altimetry system for a satellite, including an altimeter transmitting and receiving signals on at least one first frequency band; a radiometer receiving signals on at least one second frequency...
8947295 Low clutter method for bistatic RCS measurements  
A bistatic radar measurement system is provided having a radar source configured to produce a radio frequency signal. A transmitting antenna is configured to transmit the radio frequency signal...
8935122 Alignment detection device  
An alignment device provides position information for an antenna coupled to an extendable tower. The alignment device can provide position data including pitch data, roll data, and azimuth data....
8917204 Integrated circuit, transceiver and method for leakage cancellation in a receive path  
An integrated circuit for cancelling a radio frequency transmit leakage signal comprises: a transmitter portion comprising at least one amplifier stage for transmitting a radio frequency signal to...
8912945 Method and an apparatus for determining a deviation between an actual direction of a launched projectile and a predetermined direction  
In a method of determining a deviation of a path of a projectile from a predetermined path, the method uses an image of a target area in which the desired path or direction is pointed out....
8897717 Dual-feed antenna array with integral comparison circuit for phase and amplitude calibration  
A two-element array antenna system includes a first antenna element and a second antenna element. A transmitting, receiving, and processing (TRP) system is coupled to the first and second antenna...
8878719 Radar apparatus provided with series-feed array-antennas each including a plurality of antenna elements  
A radar apparatus forming a series-feed array-antenna includes an array antenna having transmission/reception antennas, and each antenna includes a plurality of antenna elements arrayed with...
8872674 Directional speed and distance sensor  
A method of using a directional sensor for the purposes of detecting the presence of a vehicle or an object within a zone of interest on a roadway or in a parking space. The method comprises the...
8866668 Radar apparatus with different operation modes  
In a radar apparatus, a peak extractor performs frequency analysis on a beat signal to obtain a frequency spectrum for each of first and second detection modes based on the beat signal for a...
8854251 Object identification device and method  
Provided is an object identification device and a method for the same that are capable of identifying a three-dimensional object and a road surface static object, irrespective of situations. The...
8841785 Energy harvester  
An energy harvesting system and method includes a rotatable member with an electrically conductive coil mounted to the rotatable member and adapted to move with the rotatable member such that the...
8830116 Radar wave sensing apparatus and method  
A radar wave sensing apparatus including a rotation element, a nanosecond pulse near-field sensor and a control unit is provided. The nanosecond pulse near-field sensor emits an incident radar...
8823582 FMCW radar sensor system having a device for detecting a radome coating  
An FMCW radar sensor system is described having an antenna covered by a radome, a mixer for mixing a frequency-modulated transmission signal with a signal received by the antenna, a device for...
8818703 Object recognition device and object recognition method  
Provided is an object recognition device and an object recognition method that can estimate the size of an object detected by a radar, through a simple configuration. The object recognition device...
8810447 Calibration devices and calibration methods  
A calibration device, capable of calibrating a gain of a radiometer, includes an actuator and a micro-electromechanical-system (MEMS) unit. The actuator receives a calibration signal outputted...
8730097 Distributed phased array testing device  
A system for testing a phased array comprising a phase-locked loop circuit responsive to a received output signal of the phased array. The phase-locked loop circuit comprises a phase detector; a...
8686896 Bench-top measurement method, apparatus and system for phased array radar apparatus calibration  
A method for determining beamformer scattering parameters for a plurality of phased array radar antenna subarrays that each include a radiating (e.g., dipole) component and a beamformer component...
8643539 Advance manufacturing monitoring and diagnostic tool  
The current invention relates to a monitoring and analysis device and a method for monitoring and analysis that utilizes the unintended electromagnetic emissions of electrically powered systems....
8626084 Area efficient concurrent matching transceiver  
An integrated circuit for transmit and receive matching is described. The integrated circuit includes a transmit amplifier. The transmit amplifier includes a first transistor, a second transistor...
8596587 Systems and methods for redundant vehicle detection at highway-rail grade crossings  
A method for sensing objects within a rail grade crossing island is described. The method includes transmitting a radar signal into the island from each of a plurality of radar devices such that...
8593336 Control apparatus, radar detection system, and radar detection method  
In a control apparatus, an acquisition unit acquires the coordinates of a detection starting position and detection ending position detected by a radar, for each of a plurality of moving vehicles...
8593337 Phased array antenna and its phase calibration method  
A phased array antenna includes an oscillator, a plurality of antenna elements, a phase shifter, a distributor, a receiver, and a control processor. The control processor performs a first...
8586901 Method for compensating for boresight error in missiles with composite radomes and guidance section with boresight error compensation  
Embodiments of a guidance section that compensates for boresight error (BSE) caused by effects of a composite radome. The guidance section includes a BSE compensation element to add high-pass...
8552906 Method and circuit for operating a mixer  
A mixer for mixing a received signal and a local oscillator signal is provided. The local oscillator signal is modulated by means of a modulation signal and the modulated local oscillator signal...
8466833 Monitoring system for an inner area of a machine  
A monitoring system for an inner area of a machine includes a radar source radiating or injecting radar radiation into the inner area and a radar receiver receiving radar radiation reflected in...
8416118 Chaff cloud detection and centroid estimation  
A method and system for detecting chaff is disclosed. The method includes receiving range profile data including a plurality of samples, determining an average power for a first group of samples...
8400166 Non-destructive determination of electromagnetic properties  
Systems and methods to determine electromagnetic properties are provided. A particular method includes directing electromagnetic energy toward an article under test. The method also includes...
8396007 Wireless device deployment with reliable links  
The embodiments are related to deploying wireless devices in a space to maximize a monitored area. In an embodiment, the system includes at least one first wireless device installed into a first...
8395497 Radiofrequency circuit embedded onboard in a satellite comprising a thermal control system based on an alarm signal generated by the reflection of power  
A radiofrequency circuit embedded onboard a satellite, data being transmitted on several channels by radiofrequency signals, includes a channel corresponding to a frequency band, and a succession...
8378879 Apparatus and methods for remote detection of physiological changes  
An apparatus for sensing motion having a transmitter for transmitting a carrier signal; a frequency control connected to the transmitter for controlling the frequency of the carrier signal; a...
8344940 Apparatus and sensor for adjusting sensor vertical alignment  
Provided are a sensor capable of adjusting vertical alignment and a sensor vertical alignment adjusting apparatus using the same. The sensor has a structure with a plurality of switchable...
8325084 System for calibration of dual polarization radar with built-in test couplers  
A calibration system for a dual polarization radar system with built in test couplers has been developed. The system includes a dual polarization radar transmitter antenna that generates a...
8319682 Method and apparatus for examining an object using electromagnetic millimeter-wave signal illumination  
A method examining an object using millimeter-wave signals includes: (a) providing at least two millimeter-wave signal sources; (b) transmitting at least two millimeter-wave signals having at...
8314733 Adjustment of radar parameters to maintain accelerating target in track  
A radar system tracks targets, and for each target determines the maximum acceleration of the target which can be tracked. The target acceleration is compared with the maximum acceleration that...
8279111 Distance measuring system  
A high-precision distance measuring with a reduced error in a distance measuring system which calculates a distance from an arrival time of each pulse signal constituting a pulse sequence is...
8274428 Method for estimating a radar cross-section  
A method for estimating a radar cross-section (RES) of a given object by using a diffraction model of this object. With the model, it is possible to determine a basis adapted to said object on...
8274427 Radar device  
A radar device including: a reception antenna that receives radio waves, includes at least three antennas and is arranged so that the phase center points thereof form an isosceles triangle; an...
8259002 Radar altimeter antenna performance monitoring via reflected power measurements  
Systems and methods for radar altimeter antenna performance monitoring via reflected power measurements are provided. In one embodiment, a single antenna radar altimeter comprises: an antenna; a...
8248297 Phase noise measurement system and method  
System that measures absolute or additive phase noise includes a power divider for dividing an input RF signal, a local oscillator, two mixers, each arranged in a path of a respective signal...