138 results about "Radar display" patented technology

An airborne weather radar system that detects potentially hazardous weather conditions associated with storms and includes a radar display featuring visual indications of these conditions. The radar display includes a vertical situation display having iconal representations and symbolic icons indicative hazardous weather conditions and aviation hazards along the aircraft's flight path not otherwise immediately apparent or shown on standard weather radar displays. The system includes processes for detecting and predicting hazardous weather conditions such as overshooting thunderstorm tops and vaulted thunderstorm energy and serious hazards such as turbulence and hail.

A user interface for a network security console associated with multiple network security devices is disclosed. A graphical user interface (GUI) for use with an intrusion detection system, comprises a radar display that is configured to simulate a stream of time-based events chronologically. In addition, one or more playback controls are configured to control the stream during simulation. In further embodiments, the radar display includes a slider configured to allow a user to jump to events that occurred at a user-defined time.

An assistant driving system with video radar installed on a vehicle is disclosed. The assistant driving system includes a camera array capturing environment images for the environment around the vehicle, an image recognition unit identifying environment objects and their image, location, color, speed and direction from the environment images, an environment monitor and control unit receiving the information generated by the image recognition unit and creating the rebuild environment information for the vicinity of the vehicle as well as judging the space relationship between the vehicle and the environment objects to generate the warning information, a video radar display unit showing a single image for the rebuild environment information, a vehicle warning unit performing the processes corresponding to the warning information, a vehicle driving unit generating the driving control command based on the rebuild environment information, and a vehicle controlling unit receiving the driving control command to control the throttle, brake or steering wheel of the vehicle. Thus, the safety of steering the vehicle in various situations is greatly improved.

A radar display system (10) according to the present invention generates textured radar display data by utilizing a direct memory access receiver (12) to receive radially scanned radar data, to convert the radially scanned radar data into range bin data sets, and to store the range bin data sets. A graphics renderer (18) stores the set of range bin data sets in a texture memory (20) as a plurality of rectangular textures, and bit maps the rectangular textures to a series of display triangles in a frame buffer (22). The graphics renderer (18) colors the display triangles in accordance with the rectangular textures by performing a bi-linear interpolation of the color and warps the display triangles in accordance with the size of a display (24).

The present invention pertains to an enhanced method for displaying assessment and analysis of the risks of adverse effects resulting from the use of at least one substance of interest, comprising: identifying the at least one substance of interest; selecting the profile of the at least one substance of interest related to the safety of the at least one substance of interest, using at least one filter; analyzing the risks of adverse effects resulting from the use of the at least one substance of interest using at least one data mining engine; and displaying the results of the analysis of risks of adverse effects resulting from the use of the at least one substance of interest in a format that permits perception of correlations. Such a format is preferably at least one format selected from the group consisting of a radar display for display of correlations, a sortable table, and a sortable line listing and where the format contains elements linked to data regarding the adverse effects.

The invention provides a method for eliminating terrestrial clutters of an airborne weather radar based on terrain altitude data. The method provided by the invention comprises the following steps of: reading airplane position and radar parameters, establishing a local rectangular coordinate system, calculating longitudes and latitudes of ground sampling points in a beam direction, reading DEM (Digital Elevation Model) data, calculating a lower view angle sequence of the sampling points relative to an airplane, analyzing a tendency of the lower view angle sequence, judging a monotonically decreasing sequence, eliminating a non-monotonically-decreasing lower view angle value, determining a beam grounding range, editing echo signals and replacing by a background, updating the airplane position and an antenna azimuth angle, judging whether the scanning is finished, displaying complete scanning echo signals by a radar display screen and the like. According to the method provided by the invention, by utilizing the characteristics that the terrestrial clutters of the airborne weather radar echoes and weather targets are respectively located at units with different distances and can be separated in the distance and adopting the discipline characteristics of the lower view angle, the grounding position of the radar beam is analyzed, and the terrestrial clutters is eliminated by utilizing and utilizes the terrain altitude data; and the method has the advantages of simple method, calculation accuracy, good inhibition effect, capability of effectively eliminating terrestrial cluttersof the airborne weather radar in a time domain and the like.

An apparatus and method of presenting air traffic data to an air traffic controller are provided. Air traffic data including a two dimensional spatial location and altitude for a plurality of aircraft is received. A disparity value is determined based on the altitude for each aircraft of the plurality of aircraft. Left and right eye images are generated of the plurality of aircraft where at least one of the left and right eye images is based on the determined disparity value. The left and right eye images are simultaneously displayed to the air traffic controller on a display. The simultaneously displayed images provide an apparent three-dimensional separation of each of the aircraft of the plurality of aircraft on the display.

Radar display methods and systems include a display processing apparatus that includes a central processing unit and a programmable graphics processing unit. A rendering function program executable by the programmable graphics processing unit under control of the central processing unit generates a plurality of sequential display image frames for use in displaying at least a radar image on a display (e.g., by applying a decaying function to an accumulated radar history image frame and updating the accumulated radar history image frame).

A scan conversion is provided which allows the scan converter to work with data in its most convenient format in a radar memory. A displayable image is mirrored to a graphics memory simultaneously with the write portion of the radar memory of the scan conversion process. On every write to the radar memory, radar data is simultaneously converted to associated colors by indexing a color look-up table and writing the indexed color to the graphics memory. A simulated phosphor decay for the display is provided by decreasing the intensity of each pixel in the radar memory once each antenna scan and similarly decreasing the intensity of data in corresponding locations in the graphics memory to simulate the decay of a phosphor coated screen in a CRT display. The signals in the graphics memory are coupled to a display at a rate that simulates a display on a phosphor coated screen.

A synthetic aperture radar's surveillance is defeated by electronic camouflage that employs a protective shield to cover an intended target. The shield intercepts and modifies the interrogating radar pulses by modulating incident radar pulses to produce radar echoes shifted in Doppler frequency, whereby the returned echoes give a false depiction of the target, even to smearing the radar display. New structures are presented that exhibit variable reflectivity and variable dielectric characteristics of particular use in the foregoing and other electronic systems.

The invention is a highway safety running system consists of road computer network system and vehicle loaded communication system. It can make every driver know his position on road and vehicle condition within three km range. The car loaded monitor screen likes a radar display screen. It greatly increases running safety on high way and vehicle passing ability.

Disclosed is a method for producing radar display images and a system thereof, wherein, the system comprises: two A/D converters for respectively implementing sampling processing to radar interface image video signals and radar original image video signals with VGA formats, and respectively outputting horizontal synchronizing signals, field synchronizing signals and digital RGB signals; a buffer for carrying out buffer processing to radar interface image video signals and radar original image video signals; and a radar image generation module realized through an FPGA chip for implementing synchronous processing to radar interface image video signals and radar original image video signals and looking up table indexes by colors for implementing synthetic processing so as to generate the radar display image video signals. The method and system need not use the special radar image generator, and can utilize the general control program to realize the superposition processing to radar original images and radar interface images in the FPGA chip, thereby producing the radar display images meeting the requirements of radar image display terminals.

The present invention relates to a method for simulation of ship radar target ship echo 2D imaging. The method comprises the steps of: setting radar echo imaging parameters, and simulating radar echoin a scanning line mode; constructing a ship navigation simulation unit to provide a ship simulation motion state through a multicast communication mode; performing radar simulation data preprocessing; solving the relative position relation between each point on the radar scanning line and the target ship to determine the amplitude of each point on the scanning line; and performing radar echo imaging information visualization. The ship navigation simulation unit and the radar echo simulator are designed to send simulated target ship echo imaging information in real time through network communication, a man-machine interactive interface is arranged to customize the number, the size, the position and the posture of the echo imaging and flexibly customize the dynamic echo imaging signals so as to provide universal verification imaging test signals for a ship and bridge radar display-and-control station.

The present invention provides an automobile reversing radar display instrument testing system and a testing method thereof. The automobile reversing radar display instrument testing system includes an upper computer and a signal generating module. The signal generating module includes a communication module for generating simulated automobile reversing radar signals, a data acquisition device, and a plurality of board cards inserted in the data acquisition device. The upper computer includes a display device, a device communication module, and an information processing device. The testing method can replace an ordinary automobile reversing radar sensor, wherein, the ordinary automobile reversing radar sensor transmits high-low level signals to an instrument, and does not require to verify automobile reversing radar instrument display by manual adjustment of automobile reversing radar position so that the real automobile verification is reduced and the verification cost is reduced.

A radar system is provided. The system includes a radar transceiving device equipped in a movable body and for transmitting an electromagnetic wave at a first frequency, and a transponder device arranged in a beacon and for transmitting a response wave upon receiving the electromagnetic wave. The transponder device includes a response wave transmitting module for transmitting, when a radar classification of the radar transceiving device is a solid-state radar, a response wave at a second frequency different from the first frequency in response to receiving the transmitted electromagnetic wave. The radar transceiving device includes a transmitting module for transmitting the electromagnetic wave, a receiving module for receiving a radar echo at the first frequency and the response wave at the second frequency, and a display controlling module for displaying, on a predetermined radar display unit, locations of the beacon and another movable body existing around the movable body.

A radar system for a marine vessel has an antenna unit mounted at the top of a mast and a radar display at a remote location. The antenna unit comprises an outer housing containing: an antenna, a motor and gearbox to rotate the antenna to scan in azimuth, a transceiver connected to receive radar signals from the antenna and an analogue-to-digital converter. Digital signals from the converter are supplied down the mast via cabling, which extends to a processor adjacent the display. The processor converts the digital signals into a form for display.

An exemplary embodiment of the invention relates to a computer-based program and system for displaying visually realistic raw radar signals. The computer program includes a RADAR display fade algorithm. The algorithm includes alpha blending and texture mapping for producing a slow fade. Use of two buffers and transfer of data between the buffers to produce a smooth update of the visual display while the sweep of the RADAR ray advances and new or updated RADAR contacts are displayed.

A partial image to be displayed is extracted from an original image. The partial image is displayed along with information, such as a radar display, that indicates which part of the original image is being displayed.

The invention provides a method for independently achieving target IFF identification by a secondary radar, and aims to provide a method which does not depend on primary radar guidance and can rapidly, accurately and reliably identify a target. According to the technical scheme, a secondary radar integrated interrogator system performs alternate scanning in a fixed repetitive sequence SSR interrogation working mode, an interrogator receives and decodes an airplane response signal, target track data is sent to a radar display and control terminal, and a target needing IFF identification is selected; when secondary radar scanning inquiry work is carried out, whether an IFF target is identified by friends or foes exists in the current pointing direction or not is judged; an IFF query is sentfor multiple times according to a mode specified by the display control terminal, IFF response receiving processing is performed, and then switching is performed back to the A/C mode SSR autonomous query; and the radar display and control terminal matches the identification result with a secondary radar track, fuses the identification information into a target track label and a list, and updates the track label and the list to complete an IFF identification process.

A video radar display system is provided. The video radar display system includes a camera array, an image processing unit, and a display unit. The camera array includes a plurality of cameras individually positioned for photographing a plurality of images from a plurality of different directions. The image processing unit receives the photographed images from the camera array for conducting an object recognition process, and referring to an object database to reconstruct an environment, so as to generate object display information. The display unit receives the object display information and displays an image according to the received object display information, or project the image to a monitor or head-up display for displaying. The cameras of the camera array are dual-lens cameras or tri-lens cameras. Specifically, the dual-lens camera has two lenses horizontally provided for capturing two images at the same time for determining the distance.