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7397420 |
Timing adjustment method for radar, and radar apparatus having automatic timing adjusting function
On/off timing of an amplifier and timing of antenna selection are accurately adjusted. When adjusting the on/off timing of the amplifier, modulation of a transmit signal is stopped, and a switch is...
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7394046 |
Tracking of a moving object
A system for determination of kinematics of a moving object comprising: a sensor producing angular data for the object at a number of observation times, a state initialization unit, receiving...
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7394047 |
Interceptor guidance for boost-phase missile defense
A fire control system for a boost phase threat missile includes sensors for generating target-missile representative signals, and a multi-hypothesis track filter, which estimates the states of...
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7391358 |
Weather radar echo tops forecast generation
Described are a method and a system for generating a short-term forecast of echo tops as defined by weather radar measurements. The method includes receiving echo tops images for different times....
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7388537 |
Radar detector with reduced emissions
A radar detector includes features to reduce emissions such as those typically generated by the detector's local oscillator. Two low noise amplifiers (LNA's), operating in X band and a combined...
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7385553 |
Process for mapping multiple-bounce ghosting artifacts from radar imaging data
Described herein are frequency-domain back-projection processes for forming spotlight synthetic aperture radar (“SAR”) images that are not corrupted by the effects of multiple-bounce ghosting...
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7379018 |
System and method for verifying a radar detection
The method and system provide provisions for generating a respective detection state value associated with each of a plurality of RF receive beams. A first state value is indicative of a detection....
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7379017 |
Micro movement pulsed radar system and method of phase noise compensation
A pulsed radar system uses phase noise compensation to reduce phase noise due to drift of the reference oscillator to enable detection of micro movements and particularly human motion such as...
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7379016 |
Carrier phase detection system for radar sensors
A pulse detection system for expanded time radar, laser and TDR sensors detects specific cycles within bursts of cycles. A sensor transmits and receives short bursts of RF cycles. A transmit pulse...
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7372398 |
Electronic target position control at millimeter wave for hardware-in-the-loop applications
An apparatus for use in controlling a simulated target position in a millimeter wave, hardware-in-the-loop system includes a pair of horns and a conditioning circuit. The conditioning circuit is...
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7372397 |
Energy storage in a radar level gauge
A radar level gauge using microwaves for measuring a level of a surface of a product in a container, comprising a microwave unit, processing circuitry connected to said microwave unit, an interface...
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7372425 |
Cruciform antenna comprising linear sub-antennas and associated processing
The invention relates to a cross antenna comprising linear sub-antennas and to the associated processing. More specifically, the invention relates to an antenna ( 1 ) comprising: first ( 2 ) and...
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7369082 |
Method and apparatus implementing a scan strategy for automatic high power tube recovery
A method of reducing power to an electron emitting cathode comprises the steps of sensing a weather condition; calculating a condition number based upon the weather condition; comparing the...
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7365603 |
FET amplifier, pulse modulation module, and radar device
An FET amplifier includes an FET for amplifying a high-frequency signal to be input to the gate on the basis of a gate bias voltage from a gate bias control circuit. In the FET amplifier, a...
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7365676 |
Sensor for transmitting and receiving electromagnetic signals
The invention relates to a sensor comprising a housing, inside of which a transmitting antenna array that transmits electromagnetic transmission signals in a radiation area and a receiving antenna...
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7362259 |
Radar antenna array
For suppressing secondary lobes in pulsed radar systems, the antenna characteristics of the transmitting antenna and the receiving antenna are designed so that the dominant secondary lobes appear...
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7358892 |
System and method for coherently combining a plurality of radars
Systems and techniques for coherent combining radars include generating a phase and range calibration and initialization values for adjusting a time delay and a phase of a transmitted pulse from...
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7358890 |
Millimetre-wave illumination source
An illumination source of predominantly non-directional and incoherent millimeter-wave radiation for illuminating an area for passive millimeter-wave imaging comprises a container with at least a...
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7358887 |
System and method for detecting emitters signals having multi-valued illumination times
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. When detecting emitter signals of a...
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7355547 |
Vehicle-mounted millimeter wave radar device, millimeter wave radar module, and manufacturing method thereof
An object of the present invention is to provide a millimeter wave radar device and module that provides a hollow structure while assuring adequate moisture resistance. A multilayer substrate on...
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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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7345623 |
Reflection free launcher for electromagnetic guide wire
Guided wave radar (GWR) pulses are launched onto an electromagnetic guide wire using a compact launcher that includes an impedance matching element. The impedance matching element produces...
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7345622 |
Two-mode radar level gauge system
A radar level gauge system for gauging the level of a filling material in a container is disclosed. The system comprises a waveguide extending towards the surface of said filling material; a...
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7345624 |
Pulse wave radar device
To achieve a purpose of the present invention, a pulse wave radar device related to the present invention modulates a first transmitting pulse and a second transmitting pulse which are separated...
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7345617 |
Apparatus for collecting ground radar data with polarization information
The present invention concerns an apparatus for collecting ground radar data with polarization information comprising a main body exhibiting structure for moving the apparatus along the ground, a...
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7342532 |
Radar system and contamination judging method
Provided are a radar system and a contamination judging method capable of reducing adjustment costs and detecting contamination adhering to a radome with accuracy. The radar system includes an...
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7342531 |
Redundant level measurement in radar level gauging system
A method and system for determining a product level in a tank which determine a first level measure using emission of electromagnetic waves into the tank, detect a differential pressure, determine...
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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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7336220 |
Method and apparatus for equalizing broadband chirped signal
In order to generate a signal for canceling a chirped signal, a transmitter generates a cancellation signal along with the transmitted signal, using a single term variable complex gain multiplier...
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7333045 |
Buried object detection sensor
A combined type buried object detection sensor is provided, in which a MD and a GPR are integrated to improve a detectivity. A buried object detection sensor 10 has a constitution in which plural...
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7333051 |
Methods and devices for determining the linearity of signals
A method (for example, machine-implemented, e.g., via a receiver), for determining whether a transmitted pulsed-signal is a linear or non-linear frequency modulated (FM) signal, includes:...
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7330147 |
System and method for ground proximity warning with enhanced obstacle depiction
Systems and methods for displaying ground obstructions on a visual display are disclosed. In an embodiment, a ground proximity warning system includes at least one aircraft sensor system operable...
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7327306 |
RF system for tracking objects
A system for tracking an object in space for position, comprises a transponder device connectable to the object. The transponder device has one or several transponder aerial(s) and a transponder...
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7327303 |
Hybrid radar receiver
A hybrid radar receiver includes an antenna array for receiving an input signal having a radar signal from a signal emitter. Each array element outputs an analog signal on a respective data...
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7324043 |
Phase shifters deposited en masse for an electronically scanned antenna
A system and method for an electronically scanned antenna is provided in which phase shifters are deposited en masse along with other electronically scanned antenna components on a wafer scale...
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7324039 |
Short-range automotive radar transceiver
Automotive vehicle including a radar transceiver each including a heterodyne active IMPATT multiplier module arranged to receive a signal from a VCO, a first balance mixer arranged to receive a...
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7321330 |
Ball measuring apparatus
The present invention provides a ball measuring apparatus capable of measuring a trajectory of a ball from a hitting position to a landing position, the landing position and a stop position. A ball...
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7319401 |
Radar level gauge system with variable alarm limits
A radar level gauge system for determining the filling level of a filling material in a tank is disclosed. The system comprises a transmitter for transmitting measuring signals towards the surface...
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7312742 |
Computerized tomography using radar
Sensing characteristics of an object includes transmitting a stepped-frequency radar through an object and detecting, with multiple receiving structures, deflected portions of the radar signal. The...
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7312744 |
System for administering a restricted flight zone using radar and lasers
A system is disclosed for administering a restricted flight zone using radar and lasers for detecting, tracking, warning and destroying airborne craft that enter restricted flight zones without...
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7310061 |
Velocity sensor and ground vehicle velocity sensor using the same
There is provided a highly accurate velocity sensor having a reduced detection error. A sensor circuit unit generates an electromagnetic wave and emits it from a transmission antenna. Furthermore,...
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7307582 |
Method for determining a level of material with a two-wire radar sensor comprising intermittently operating circuitry components and a two-wire radar sensor
A method for determining a distance between a radar sensor and a reflection surface of a material comprising the following steps. The radar sensor is energized via a two-wire control loop which...
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7307581 |
Mounting structure of high-frequency semiconductor apparatus and its production method
In a high-frequency circuit having a substrate having a high-frequency transmission line and an dielectric resonator formed on said substrate so that said dielectric resonator and said...
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7307577 |
Storm top detection
A method of characterizing a maximum height of a storm cell for an aircraft is provided. First reflectivity data formed from a first scan of a storm cell by a radar is received and a first centroid...
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7307579 |
Collision alerting and avoidance system
A collision alerting and avoidance system for use in an aerial vehicle is presented herein. The system comprises a one low profile antenna array disposed on the aerial vehicle. The array includes a...
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7301493 |
Meta-materials based upon surface coupling phenomena to achieve one-way mirror for various electro-magnetic signals
A one-way reflective sensor shield with an increased bandwidth meta-materials coating is provided which substantially reduces or eliminates deleterious electronic signatures and backscattering. The...
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7301495 |
Interrupt SAR implementation for range migration (RMA) processing
A moving radar ( 405 ) generates a synthetic aperture image from an incomplete sequence of periodic pulse returns. The incomplete sequence of periodic pulse returns has one or more missing pulses....
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7295153 |
Acousto-radio frequency modulator and applications therefore
An acousto-radio frequency modulator and an apparatus employing the same are disclosed. The acousto-radio frequency modulator includes a radiowave waveguide including a first end defining an input...
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7292822 |
Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
An IDT produces a SAW when excited by a single electrical pulse and can be fabricated to embody a code, which code provides for a passive autocorrelation of a SAW input to the IDT and thereby lends...
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7292178 |
Aircraft hazard detection and alerting in terminal areas
A weather radar system or method can be utilized to determine potential weather hazard for an aircraft in a terminal area. The weather radar system can utilize processing electronics coupled to an...
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