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7633431 |
Alignment correction engine
A method for determining an adjusted position of a component of an aerial vehicle in response to a situational parameter is provided. The system includes a component mounted on an aerial vehicle, a...
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7629918 |
Multifunctional radio frequency directed energy system
An RFDE system includes an RFDE transmitter and at least one RFDE antenna. The RFDE transmitter and antenna direct high power electromagnetic energy towards a target sufficient to cause high energy...
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7603077 |
Broadcast receiver with automatic channel scanning
A broadcast receiver includes a smart antenna, a tuner for extracting a signal of a predetermined channel from airwaves received by the smart antenna, a signal processing unit for processing the...
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7598902 |
Adaptive weather radar detection system and method used in continental and maritime environments
A method of detecting weather using a weather radar onboard an aircraft. A range is selected at which weather is to be detected. A tilt angle of the weather radar is changed to detect weather below...
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7589662 |
Synthetic aperture radar systems and methods
A method of determining a radar receiver path, comprising the steps of: obtaining a transmitter position; obtaining a target position and velocity; obtaining a radar receiver position and velocity;...
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7586434 |
Method and system for mapping a target scene using scanning radar
A system and method for mapping a target scene by means of scanning radar utilizing the Doppler effect that arises in the event of movement between radar and target scene, where the movement of a...
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7557747 |
Method and apparatus using fast electronic switching for multi-channelizing a single-channel radar system
According to typical practice of an inventive radar system, a switching device is capable of activating a receiver array one at a time so that when a receiver is activated the remaining receivers...
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7558335 |
Communication system modulating/demodulating data using antenna patterns and associated methods
A wireless communication system includes a transmitter comprising a serial-to-parallel converter for converting serial data bits to a parallel bit stream, a signal mapper coupled to the...
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7551121 |
Multi-target-tracking optical sensor-array technology
The multi-target tracking and discrimination system (MOST) fuses with and augments existing BMDS sensor systems. Integrated devices include early warning radars, X-band radars, Lidar, DSP, and MOST...
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7548194 |
Hostile intention assessment system and method
A hostile intention assessment system and method wherein a tracking sensor subsystem (e.g., radar) tracks targets relative to a critical asset. Determinations are made to assess if a first target...
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7535410 |
Weight calculation method, weight calculation device, adaptive array antenna, and radar device
A weight calculation method begins by storing a target reflection signal of a radar pulse received via an antenna in cells corresponding to positions along with a reception timing for a plurality...
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7498970 |
Monitor
A monitoring apparatus of the present application includes: a transmission antenna section that transmits a radio wave of single beam having a wide angle or alternatively a radio wave having a...
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7486223 |
Radar apparatus
A radar apparatus is provided which includes a plurality of antennas arranged at unequally spaced intervals in a single row, the plurality of antennas configured to transmit a radio wave as...
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7486219 |
Adaptive weather radar detection system and method
A method of detecting weather on an aircraft uses a weather radar system. The method adapts the weather radar system in accordance with a seasonal parameter, a time-of-day parameter, or a location...
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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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7474254 |
Radar system with agile beam steering deflector
A radar system including a base unit and a radar sensor. The sensor steers a beam in a scanning or tracking manner in both azimuth and elevation. Steering control in azimuth and elevation may be...
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7460060 |
Electromagnetic wave transmitting/receiving module and imaging sensor having electromagnetic wave transmitting/receiving module
An electric wave transmitting/receiving module includes: a waveguide including a conductive member and an opening facing a transmitting side and/or a receiving side; a dielectric substrate disposed...
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7417579 |
Weather radar with significance determination
A weather radar system includes processing electronics. The processing electronics sense weather and determine significant weather based upon the altitude of the weather. The altitude of the...
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7369084 |
Two-sectional controlling method and device for satellite antenna
A controlling device for a satellite antenna is provided. The controlling device includes a first signal generating device generating an inertial compensating signal having a compensating...
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7348918 |
Mobile ballistic missile detection and defense system
The present invention is directed towards a ballistic missile detection and defense system. The system of the present invention comprises a ship based interceptor or antiballistic missile, a...
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7324046 |
Electronic beam steering for keyhole avoidance
An airborne radio frequency (RF) antenna terminal system includes a two-axis gimbals control system and a phased array antenna. The phased array antenna electronically steers the receive and...
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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...
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7242345 |
Method for controlling a radar antenna
A method is described for detecting an object with target radar. After the first detection of an object, the antenna is tilted. The original direction towards the object is restored by...
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7239265 |
Method for evaluating and controlling a radar installation
A method is disclosed for evaluating the terrain surrounding a radar site. The method comprises to calculate the radar horizon around a radar site from stored terrain elevation information. The...
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7236759 |
Method for steering smart antenna beams for a WLAN using signal and link quality metrics
An antenna steering algorithm for a smart antenna uses signal quality metrics and link quality metrics for selecting a preferred antenna beam. The link quality metrics supplement the signal quality...
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7230569 |
Search algorithm for phased array antenna
An antenna system electronically searches for a satellite signal by beginning at the current pointing angle of an antenna. The antenna system sweeps a tuner frequency of the receiver by...
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7218273 |
Method and device for boresighting an antenna on a moving platform using a moving target
A technique for boresighting an antenna mounted on a moving platform is described. The technique uses a concurrently moving calibration target. Target navigation data and platform navigation data...
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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,...
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7202807 |
Dynamic antenna
A method and an antenna arrangement are disclosed for reducing the antenna radar cross section for an externally illuminating radar source. A radar pulse is transmitted with the antenna arrangement...
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7196653 |
Imaging apparatus and method
An imaging apparatus has transmitter illuminating a selected surface with a radar beam footprint, and processor for profiling/processing the radar returns so as to derive attitude information in...
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7187323 |
Apparatus for controlling antenna in stratospheric platform and stratospheric platform system having the same
Provided is an antenna control apparatus for controlling an antenna mounted on a stratospheric platform of the stratospheric communication system. The apparatus includes a plurality of location...
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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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7183963 |
System and method for inspecting transportable items using microwave imaging
An inspection system uses microwave radiation to capture a microwave image of a transportable item. The system includes a transmit scanning panel including a transmit array of transmit antenna...
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7132976 |
Automotive radar
An automotive radar which can process signals at high speed to detect a target in a wide angle range is provided. The automotive radar comprises a transmitting antenna which emits an...
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7129885 |
Adaptive weather radar detection system and method used in continental and maritime environments
A method of adapting weather radar thresholds is disclosed. The method comprises generating a location from a location sensor, retrieving information representative of a weather type from a...
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7123183 |
FM-CW radar apparatus
An FM-CW radar apparatus capable of detecting a stationary object, in particular, an overbridge, located above the road ahead in a simple manner uses a traveling wave antenna as a transmitting...
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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,...
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7076342 |
Attitude sensing apparatus for determining the attitude of a mobile unit
An attitude sensing apparatus for determining the attitude of a mobile unit is provided that can reliably estimate an alignment angle between a GPS antenna coordinate system and an IMU coordinate...
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7046187 |
System and method for active protection of a resource
An active protection system comprising an ultrawideband radar for threat detection, an optical tracker for precision threat position measurement, and a high powered laser for threat kill or...
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7038615 |
Efficient technique for estimating elevation angle when using a broad beam for search in a radar
A method and apparatus for estimating elevation angle when using a broad search beam such as a cosecant-squared beam is provided. The range of a target detected during a search with a broad beam...
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7015855 |
Creating and identifying synthetic aperture radar images having tilt angle diversity
An apparatus for and method of employing synthetic aperture radar (SAR) images to automatically classify a target comprising emitting and collecting SAR signals at a plurality of squint angles,...
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7015857 |
Calibrating an antenna by determining polarization
Calibrating an antenna includes receiving a signal sent from a reference located within a region. The signal has a polarization within an expected polarization range. Polarization value sets are...
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6977609 |
Technique for changing a range gate and radar coverage
A radar detection process includes computing a derivative of an FFT output signal to detect an object within a specified detection zone. In one embodiment, a zero crossing in the second derivative...
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6961016 |
Estimating an antenna pointing error by determining polarization
Estimating an antenna pointing error includes receiving a signal sent from a reference located within a region. A polarization ratio is evaluated over the region. A minimum polarization ratio...
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6937186 |
Main beam alignment verification for tracking antennas
A method for main beam alignment verification includes providing data pertaining to one or more patterns associated with an antenna, measuring power levels of a signal acquired by the antenna, and...
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6933883 |
Method and device for aligning radar mount direction, and radar aligned by the method or device
A radar mount direction alignment device to be used for aligning the transmit/receive direction of a radar device 2 D mounted on a member on which a radar device is to be mounted, such as a...
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6917326 |
Vibratory cleaning mechanism for an antenna in a time-of-flight based level measurement system
An antenna assembly for use with a level measurement device for measuring the level of a material held in a container is provided. The antenna assembly includes an upper section for coupling to the...
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6856277 |
Radar beam scanning method, on-vehicle radar apparatus and radar scanning computer program
In the on-vehicle radar apparatus of the present invention, the vertical scanning width of the radar beam is narrowed, before the horizontal scanning, thereby avoiding unnecessary data processing...
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6853330 |
Inverse precision velocity update for monopulse calibration
A radar system derives a correction for an actual boresight ( 311 ) of a radar monopulse antenna mounted on a moving platform from Σ data and Δ data generated with respect to an a priori known,...
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6842152 |
Method for adjusting detection axis of object detection system
A method for adjusting a detection axis of an object detection system, wherein a disk-shaped adjusting member is fixed to a reference plane on an outer face of a casing, wherein the rotational...
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