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6911932 |
Two antenna, two pass interferometric synthetic aperture radar
A multi-antenna, multi-pass IFSAR mode utilizing data driven alignment of multiple independent passes can combine the scaling accuracy of a two-antenna, one-pass IFSAR mode with the height-noise...
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6911936 |
Formation surveillance and collision avoidance
A display system is disclosed for displaying air traffic symbology from a plurality of different types of air traffic surveillance systems on a single monitor. A display device includes a processor...
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6911937 |
Digital polarimetric system
A digital polarimeteric system employs a signal time stretching technique and digital signal processing of the time-stretched signal to accurately measure the polarization of a received RF signal...
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6911931 |
Using dynamic interferometric synthetic aperature radar (InSAR) to image fast-moving surface waves
A new differential technique and system for imaging dynamic (fast moving) surface waves using Dynamic Interferometric Synthetic Aperture Radar (InSAR) is introduced. This differential technique and...
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6911933 |
Dynamic logic algorithm used for detecting slow-moving or concealed targets in synthetic aperture radar (SAR) images
The present invention includes an application of a dynamic logic algorithm to detect slow moving targets. Show moving targets are going to be moving in the range from 0-5 mph. This could encompass...
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6909397 |
Stabilizing motion in a radar detection system using ultrasonic radar range information
One preferred embodiment of the present invention provides a system and method for suppressing motion artifacts introduced by movement of a radar detection system. Briefly described, in...
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6906663 |
E-field monitor for pulsed signals
A system is provided for substantially continuously monitoring an electromagnetic intensity of short pulses of electromagnetic fields (E-fields) having frequencies within a broad frequency range....
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6903677 |
Collision prediction device, method of predicting collision, and computer product
An image sensor section and a millimeter-wave sensor section separately detect objects. A sensor matching section determines whether the objects detected by the image sensor section and the...
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6903679 |
Video amplifier for a radar receiver
A video amplifier for a radar receiver includes a temperature compensating attenuator. The attenuator includes a temperature sensitive device, such as a thermistor, arranged in a voltage divider...
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6903680 |
Obstacle detection device for vehicle
If the maximum time width Lt of the intensity of received light of reflected waves from a vehicle ahead is smaller than a reference time width, it is judged that the vehicle ahead is positioned in...
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6903675 |
Intelligent microwave detecting system
An intelligent microwave detecting system comprises: a power supply source for supplying the electric power to a passive electric equipment which is connected to the power supply source, an output...
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6900755 |
Automotive radar systems
An automobile radar which serves to provide data for cruise control or other systems in a host vehicle, comprising means for measuring radar boresight misalignment by detecting the presence of...
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6900753 |
Method for measuring distance and position using spread spectrum signal, and an equipment using the method
By using the delay profile created by delay profile creating section 102 and the first threshold value 330 received from the first threshold value calculation section 105 , the first threshold...
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6900754 |
Signal processing method for use with scanning radar
A method that can locate the center of a target even when the target is a large vehicle, and that, when a plurality of beams are reflected, determines whether the reflected beams are from the same...
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6894641 |
Radar system mounted on vehicle
To provide a radar system mounted on a vehicle that reliably detects the reception of the interference wave with high-performance and inexpensively. There is provided a radar system mounted on a...
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6894639 |
Generalized hebbian learning for principal component analysis and automatic target recognition, systems and method
This application discloses a method for distinguishing targets from clutter, comprising the steps inputting data, calculating data statistics from said data and using said data statistics to select...
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6885335 |
Vehicle-mounted radio wave radar
An antenna base, a control circuit section, and a high-frequency circuit section are enclosed in an inner space defined by a housing and a radome. Inside this inner space, the control circuit...
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6882304 |
Device for a radar system
A device for a radar system, the device being supplied with the received signals of at least two receiving antennas as input signals, and in which the output signals of this device are supplied to...
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6879280 |
Vertical weather profile display system and method
An aircraft weather radar system is disclosed. The system comprises a radar antenna, aircraft sensors, and a database. The system also comprises a processing device receiving information from the...
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6876324 |
Radar apparatus
To provide a filter cover which has little electromagnetic effect on a dielectric resonator and is able to lengthen the life of a press mold without impairing isolation between transmission and...
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6876321 |
Pulse descriptor word collector
A pulse descriptor word (PDW) collector, including an extractor coupled to a computer, for passively collecting radio frequency (RF) data received by an electronic surveillance system (ESS). It is...
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6876323 |
Amplitude and phase-controlled antennas-subsystem
A radar system with a phase controlled antenna array that contains a number of data and supply networks ( 2 ), which are installed so that they are interchangeable, and a transmit/receive module (...
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6873287 |
Signal processing arrangement
The present invention relates to a method and an arrangement suitable for embedded signal processing, comprising a number of computational units ( 100 ), each computational unit comprising a number...
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6870500 |
Side looking SAR system
A synthetic aperture radar (SAR) processes radar has a transmit aperture and a receive aperture that is of a different size from the transmit aperture. The receive aperture is separated from the...
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6867727 |
Multiplatform multifunction avionics architecture
A system-of-systems avionics architecture that is compatible with futuristic multi-function multi-platform sensor applications. The method and device of the invention is based on localized...
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6867729 |
Guided wave radar level transmitter with automatic velocity compensation
A guided wave radar transmitter comprises a probe defining a transmission line including a relatively low impedance target marker above an expected sensing region of the probe. A pulse circuit is...
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6867728 |
Methods and systems for identifying signals-of-interest
Signals-of-interest are identified by distinguishing such signals from signals constituting environmental or internal receiver noise. A received signal is rapidly sampled in order to set a dynamic,...
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6867732 |
Embedded multi-functional preprocessing input data buffer in radar system
An embedded multi-functional preprocessing input data buffer comprises a clutter lock loop circuit, a multiplier, a mode selective multiplexer, a dual-port memory, an input multiplexer,...
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6864833 |
Time-base generator with self-compensating control loop
A time-base generator with a self-compensating control loop. The time-base generator is suitable for use in level measurement and time-of-flight ranging systems. The time-base generator includes a...
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6864826 |
RADAR APPARATUS FOR IMAGING AND/OR SPECTROMETRIC ANALYSIS AND METHODS OF PERFORMING IMAGING AND/OR SPECTROMETRIC ANALYSIS OF A SUBSTANCE FOR DIMENSIONAL MEASUREMENT, IDENTIFICATION AND PRECISION RADAR MAPPING
Radar apparatus and methods of use thereof for imaging and/or spectrometric analysis. The invention employs pulsed radar signals for magnifying, imaging, scale measuring, identifying and/or...
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6864828 |
Method and apparatus for collection and processing of interferometric synthetic aperture radar data
A system and method provide for the collection of interferometric synthetic aperture radar (IFSAR) data. In the system, a first space vehicle configured for emitting electro-magnetic energy and...
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6864825 |
Method and apparatus for directing electromagnetic radiation to distant locations
A method of creating electromagnetic interference includes creating an electromagnetic (EM) field of a frequency at distant target by transmitting at least two electromagnetic beams. At the target,...
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6861971 |
Transponder having high phase stability, particularly for synthetic aperture radar, or sar, systems
A transceiver or transponder particularly for synthetic aperture radar, or SAR, systems, operating in a frequency band having a central frequency, the transponder comprising a receiver ( 1 ) and a...
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6861970 |
Wearable vibrating radar detection device
A detection device is described configured for receiving radar and laser signals. The detection device is a self contained stand alone assembly having a watch like configuration and positionable on...
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6859166 |
Antenna device for radar-based level gauging
An antenna device in a radar-based level gauge mounted at an opening in a roof of a tank, the antenna device comprising at least one elongated radiating structure, which has a length that is...
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6859162 |
Underground object locating system without direction ambiguity
In an underground object locating system in which a modulated RF signal is applied to the underground object and an emitted signal is detected by a receiver, ambiguity in the direction of current...
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6856283 |
Method and apparatus for a power system for phased-array radar
A power system for a phased-array radar system powers an antenna array with a single multiphase transformer. A plurality of AC/DC converters are connected in parallel between the single multiphase...
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6856280 |
Method and radar system for determining the directional angle of radar objects
A method for determining the directional angle of radar objects using a multibeam radar, including the steps of:
(a) recording the frequency spectra of the radar echoes for a plurality of beams;...
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6856276 |
Multi-station HF FMCW radar frequency sharing with GPS time modulation multiplexing
Systems and methods are described for HF radar frequency sharing with GPS time modulation multiplexing. A method is provided that includes generating clock signals from the time information...
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6853327 |
Method and system for analyzing overhead line geometries
Methods and systems are provided for characterizing an overhead line. A radar signal is propagated in a region that includes at least a portion of the overhead line and a reference object, which...
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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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6850186 |
System for determining position and velocity of targets from signals scattered by the targets
The present invention relates to a system for using signals scattered by targets to determine position and velocity for each of the targets and comprises a set of transmitters and receivers of...
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6850183 |
Slope monitoring system
A slope monitoring system having a radar and a video camera recording images sequences of the slope. A data processing unit performs coordinate registration to align the radar images and the video...
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6847324 |
Automated method to remove false echoes due to solar interference
Systems and methods for automated detection and removal of solar interference in real time from NEXRAD or other similar radar products. The radar site latitude and longitude and scan elevation time...
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6844841 |
Radio frequency link performance tool process and system
A system and method for optimizing transmission of radio frequency communication link signals in a radio frequency communications network comprises determining a statistical difference between a...
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6844843 |
Signal processing apparatus of radio radar
A signal from CW radar is received, and the received power detected by the CW radar's swinging in all directions is averaged in each direction. Then, the maximum value and the minimum value of the...
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6842137 |
System and method for tuning step coverage gap correction in a scan strategy
A system and method is provided for detecting emitter signals and for determining a scan strategy for a receiver system that receives such emitter signals. If a dwells assigned frequency bandwidth...
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6842139 |
Separation frequency detection in a radar level gauge
A separation frequency detector circuit and a method for detection of a separation frequency in a radar level gauge. A first circuit element ( 1 ) is arranged to receive a first clock frequency,...
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6833806 |
Radar sensor
The invention intends to provide a sensor module suitable for miniaturization and reduction in costs, in the radar sensor that uses a millimeter or sub-millimeter wave signal of which frequency is...
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6831592 |
Near-vertical incidence HF radar
An HF radar system comprises a transmitting system, a receiving system, a signal processing system and a frequency management/ionospheric sounding system. The transmitting system comprises a...
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