|
Match
|
Document |
Document Title |
|
|
8149154 |
System, method, and software for performing dual hysteresis target association
In certain embodiments, a method includes receiving first track information comprising data for a particular aircraft track. The method further includes receiving a first radar plot comprising...
|
|
|
8138964 |
Tracking air and ground vehicles
In one aspect, an air and ground vehicle tracking system includes a base station configured to transmit locations of air vehicles to a radio and a GPS receiver disposed in a ground vehicle and...
|
|
|
8138967 |
Multilateration system and method
A multilateration system and method includes a plurality of receiver stations for receiving signals from an aircraft, and a controller that derives the position of the aircraft by applying a...
|
|
|
8130135 |
Bi-static radar processing for ADS-B sensors
A system and technique to derive a position of a non-ADSB equipped aircraft using ADS-B information provided from an ADSB equipped aircraft and bi-static radar processing techniques.
|
|
|
8102300 |
Secondary surveillance radar
A transmitter 122 transmits interrogations to aircraft airborne in a coverage, a receiver 123 receives signals transmitted from aircraft airborne in the coverage, reply analyzers 132b and 133b...
|
|
|
8102301 |
Self-configuring ADS-B system
Techniques are described that allow information to be acquired by an ADS-B system of an aircraft without the installation of ADS-B dedicated flight crew controls or wired data interfaces in the...
|
|
|
8054215 |
Precision registration for radar
A precision radar registration (PR2) system and method that employs highly accurate geo-referenced positional data as a basis for correcting registration bias present in radar data. In one...
|
|
|
8004452 |
Methods and apparatus for coordinating ADS-B with mode S SSR and/or having single link communication
Methods and apparatus for an ADS-B system having a single link for communication and/or ADS-B/Mode-S coordination. With this arrangement, the system communication is efficiently used.
|
|
|
7936300 |
Method for reducing multipath propagation effects during the processing of replies in mode “S”
The processing method according to the invention is a method of processing replies from targets interrogated by a surveillance radar according to a mode S interrogation of all the targets present...
|
|
|
7929802 |
Method and apparatus for registration and vector extraction of SAR images based on an anisotropic diffusion filtering algorithm
A computer system for registering synthetic aperture radar (SAR) images includes a database for storing SAR images to be registered, and a processor for registering SAR images from the database....
|
|
|
7898467 |
Method and device for simulating radio navigation instruments
The device (405) for behavior simulation of a radio navigation system, without the latter being installed on an aircraft, comprising a means (410) for determining a position of the aircraft,...
|
|
|
7893863 |
Enhanced aircraft transponder reliability
An aircraft system includes a transponder and a processor. The processor is configured to determine if the aircraft is positioned in a predetermined restricted flying zone. If the aircraft is...
|
|
|
7880667 |
Methods and apparatus for using interferometry to prevent spoofing of ADS-B targets
Methods and apparatus for preventing spoofing of targets, such as aircraft, in an air traffic control system. In one embodiment, first and second antennas at respective ground stations can be used...
|
|
|
7876259 |
Automatic dependent surveillance system secure ADS-S
An air traffic control automatic dependent, WAAS/GPS based, surveillance system (ADS), for operation in the TRACON airspace. The system provides encryption protection against unauthorized reading...
|
|
|
7855675 |
Method and device for detecting an environning aircraft
A radar unit on board an aircraft scans a scan area of surrounding space relative to a runway to detect any nearby aircraft and a unit presents to a pilot an indication of such detection of the...
|
|
|
7847722 |
Secondary surveillance radar and method of analyzing replies for secondary surveillance radar
Provided is a secondary surveillance radar with an improved capability of eliminating an unnecessary Mode A/C target report, which includes a transmission unit transmitting interrogations, a...
|
|
|
7786922 |
Systems and methods employing active TCAS to enhance situational awareness
A method according to the present invention includes transmitting a Mode S interrogation and receiving a response from an aircraft that has received the Mode S interrogation. A range to the...
|
|
|
7786900 |
Method of aiding navigation for aircraft in an emergency situation
Navigation of an aircraft is facilitated through the displaying on a map of an over flown region, and of the limits of zones within range of the aircraft in an emergency situation. The points of...
|
|
|
7746268 |
Mode S secondary surveillance radar
A transmitter (13) operates in an immediate scan after an initial acquisition or detection of an altered aircraft ID by a changed flight status, to transmit to an aircraft a sequence of...
|
|
|
7719459 |
Secondary radar message decoding
A method and apparatus for determining a value of each bit in a secondary radar response pulse train sampled at a bit rate greater than one sample per bit is provided. The received signal is...
|
|
|
7698025 |
Integrating communication and surveillance
An aircraft control unit has modules for interfacing with various systems of an aircraft to integrate control of the systems. The modules include a communication module configured to be coupled to...
|
|
|
7688250 |
Method for pre-detecting responses in a secondary radar or application to the detection of mode S responses
The invention relates to a method for pre-detecting responses in a secondary radar. It applies in particular to the detection of mode S responses. An aim of the invention is to process the signals...
|
|
|
7619557 |
Method and device for filtering a video signal received by a secondary radar, particularly in order to eliminate mode S replies
The invention applies to secondary radars. It makes it possible to carry out filtering when seeking to detect SSR responses, these SSR responses being overlapped by a mode S response. According to...
|
|
|
7616149 |
Methods and apparatus for radar time sensor
Methods and apparatus to detect and measure energy transmission or azimuth angle information from a radar system at one or more known or measured azimuth angles, determine, for each azimuth angle,...
|
|
|
7612705 |
Mode S radar
Disclosed is a Mode S radar which specifies an aircraft by transmitting interrogations to an aircraft A equipped with a Mode S transponder, and by then receiving and decoding replies corresponding...
|
|
|
7598905 |
Systems and methods for monitoring transponder performance
There are presented various approaches to monitor performance of RF systems and circuitry such as those used in aircraft transponders. Such monitoring may be designed to verify operational...
|
|
|
7570194 |
High precision surveillance system by means of multilateration of secondary surveillance radar (SSR) signals
A system able to locate and identify aircraft and vehicles based on the reception and processing, with novel means and methods, of signals emitted by the transponder of the secondary surveillance...
|
|
|
7570195 |
High-capacity location and identification system for cooperating mobiles with frequency agile and time division transponder device on board
Cooperating mobiles (ground vehicles, aircraft) are located and identified by Multilateration and Automatic Dependent Surveillance-Broadcast (ADS-B) techniques using the frequency band and the...
|
|
|
7567203 |
Classification system for radar and sonar applications
A system and method for target classification for an aircraft surveillance radar is provided. In one implementation, the track classifier provides tracks with an updated probability value based on...
|
|
|
7495602 |
Single air traffic control (ATC) operator interface
Systems and methods for communication using a plurality of data link standards through a common operator interface are disclosed. In one embodiment, the system includes components configured to...
|
|
|
7495600 |
Airfield surface target detection and tracking using distributed multilateration sensors and W-band radar sensors
An airport surface target detection, classification and tracking system using a network of multilateration (SSR) sensors and W-band radar sensors is used to provide automatic location and tracking...
|
|
|
7429950 |
Method and apparatus to extend ADS performance metrics
A method and system are provided for measuring and monitoring performance metrics of a non-ADS-B tracking system and generating performance metrics for the non-ADS-B tracking system in terms of...
|
|
|
7430415 |
Real-time programming of electronic radio system resource assets
A method to efficiently implement a reconfigurable electronic radio system (400) including resource assets (402-408, 410-416, 418, 420-426, 428) and a processor (428). The processor (428) generates...
|
|
|
7420501 |
Method and system for correlating radar position data with target identification data, and determining target position using round trip delay data
A method and system for using a single transceiver to correlate radar position data with target identification data. Two transceivers, operating in round trip delay mode, can be used to provide two...
|
|
|
7408497 |
Method and device for determining a reference value of a response, in particular of a mode S response received by a secondary radar
The present invention applies to the surveillance of, in particular civil, air traffic, and more particularly, to cooperative aircraft ground systems which make it possible to pinpoint in radial...
|
|
|
7408498 |
Secondary surveillance radar and its interrogation transmission method
An interrogation transmission method of a secondary surveillance radar compares prediction angle ranges for transmitting interrogations with a beam-width of an antenna, and transmits the...
|
|
|
7391359 |
Mode S transponder transmission signal decoder and Mode S transponder transmission signal decoding method
There are provided a differential processing unit which performs differential processing for a Mode S transponder transmission signal, an auto correlation arithmetic operation unit which performs...
|
|
|
7352318 |
Method and system for real time pulse processing in ATCRBS/Mode-S transponders
An apparatus for processing pulses in ATCRBS/Mode S interrogations includes an antenna for receiving a radio frequency interrogation signal. The radio frequency interrogation signal is...
|
|
|
7256728 |
Aircraft avoidance system for prohibiting an aircraft from entering an exclusion zone
The present invention relates to an avoidance system and method for directing an aircraft away from an exclusion zone. The exclusion zone may be any three dimensional space for example about a...
|
|
|
7170441 |
Target localization using TDOA distributed antenna
This invention is a system and method of locating a target using distributed antenna. The antenna consists of several receiving elements in known locations. At least one of the receiving elements...
|
|
|
7095360 |
Secondary surveillance radar system, ground equipment for use therein, and response signal checking method applied thereto
A secondary surveillance radar system for use in surveillance of an airspace, which reliably achieves surveillance of the airspace even when an aircraft including a mode S transponder and an...
|
|
|
7015856 |
Device and method for SPR detection in a Mode-S transponder
A Mode-S transponder is provided for detecting synchronization phase reversal (SPR) signals. The transponder includes a receiver for receiving a Mode-S signal that contains a P6 pulse having a...
|
|
|
7012552 |
Civil aviation passive coherent location system and method
A civil aviation passive coherent location system and method is disclosed. A receiver subsystem receives reference transmissions from an uncontrolled transmitter. The receiver subsystem also...
|
|
|
7006032 |
Integrated traffic surveillance apparatus
An apparatus and method for combining the functionality of multiple airborne traffic surveillance systems that operate in the L-band frequency range. The apparatus and method combine the...
|
|
|
6825795 |
Transponder lock
A transponder lock provides allows an aircraft transponder to continue transmitting an alerting code for the duration of an emergency. The transponder lock thereby enables the aircraft transponder...
|
|
|
6819282 |
Super-resolution processor/receiver to discriminate superimposed secondary surveillance radar (SSR) replies and squitter
A super resolution processor/receiver to discriminate superimposed secondary surveillance radar (Mode S, Mode A/C) replies and squitter that uses frequency-domain analysis to suppress interference...
|
|
|
6816105 |
Vehicle surveillance system
An algorithm for improved tracking of Air Traffic Control Radar Beacon System transponders is disclosed. The algorithm can be combined with a system that includes an interrogator which transmits an...
|
|
|
6809679 |
Surveillance system and method for aircraft approach and landing
A system and method for measuring and predicting information on the position of approaching aircraft are disclosed. The system features a processor, an interrogating antenna, a receiving antenna,...
|
|
|
6744396 |
Surveillance and collision avoidance system with compound symbols
A surveillance and collision avoidance system provides a presentation of situational awareness information for display that includes a compound symbol for each target spaced at a distance and...
|
|
|
6628225 |
Reduced split target reply processor for secondary surveillance radars and identification friend or foe systems
A method of processing reply signals received in response to an interrogation by a secondary surveillance radar system. The method includes the steps of receiving a reply signal from each of a...
|