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Location Referencing Message Specification (LRMS)

V2X Core Technical Committee
  • Ground Vehicle Standard
  • J2266_201906
  • Current
Published 2019-06-11 by SAE International in United States
The Location Referencing Message Specification (LRMS) standardizes location referencing for ITS applications that require the communication of spatial data references between databases. ITS databases may reside in central sites, vehicles, or devices on or off roads or other transportation links. The LRMS is applicable to both homogeneous (same database) and mixed database environments that may be implemented on wireless or landline networks. While developed for ITS applications, the LRMS may be used for non-ITS applications as well within the field of geographic information processing.
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Understanding the “Black Art” of RF and Microwave Switching

Aerospace & Defense Technology: April 2019

  • Magazine Article
  • 19AERP04_06
Published 2019-04-01 by SAE International in United States

Understanding RF, especially microwave switching, can be a challenge. In many cases, test systems have been compromised because a test engineer did not consider all the components of their test system: instruments, switching, cabling, Mass Interconnect (test fixture interface), fixture design, and so on. Each component has its own set of characteristics. With RF and microwave components, effects including insertion loss, VSWR, bandwidth, and so on all need to be considered as well.

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Understanding the “Black Art” of RF and Microwave Switching

  • Magazine Article
  • TBMG-34126
Published 2019-04-01 by Tech Briefs Media Group in United States

Understanding RF, especially microwave switching, can be a challenge. In many cases, test systems have been compromised because a test engineer did not consider all the components of their test system: instruments, switching, cabling, Mass Interconnect (test fixture interface), fixture design, and so on. Each component has its own set of characteristics. With RF and microwave components, effects including insertion loss, VSWR, bandwidth, and so on all need to be considered as well.

Text Tech: Navy Vessels Use Shipboard Signal Lamps for Text Messaging

  • Magazine Article
  • TBMG-33893
Published 2019-03-01 by Tech Briefs Media Group in United States

Sponsored by the Office of Naval Research's (ONR) TechSolutions program, the Flashing Light to Text Converter (FLTC) features a camera that can be mounted atop a signal lamp to receive Morse code bursts from another lamp within view. A hand-held device or laptop computer is connected to this camera to display text messages sent and received.

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AOC AIR-GROUND DATA AND MESSAGE EXCHANGE FORMAT

Airlines Electronic Engineering Committee
  • ARINC Standard
  • ARINC633-3
  • Current
Published 2019-01-02 by SAE Industry Technologies Consortia in United States

The purpose of ARNC 633 is to specify the format and exchange of Aeronautical Operational Control (AOC) communications. Examples of ARINC 633 AOC Structures/Messages include: Flight Plan, Load Planning (i.e., Weight and Balance and Cargo Planning Load Sheets), NOTAMs, Airport and Route Weather data, Minimum Equipment Lists (MEL) messages, etc. The standardization of AOC messages enable the development of applications shared by numerous airlines on different aircraft types. Benefits include improved dispatchability and reduce operator cost.

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Transmitted Enhanced Loran (eLoran) Signal Standard for 9th Pulse Modulation

PNT Position, Navigation, and Timing
  • Aerospace Standard
  • SAE9990/2
  • Current
Published 2018-09-17 by SAE International in United States
This eLoran transmitted signal standard provides technical descriptions of the data channel using ninth pulse modulation techniques. The eLoran transmitted signal standard, to which this data channel technique applies, is part of the SAE9990 family of standards covering data channels, receiver specifications, and recommended practices for eLoran.
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Transmitted Enhanced Loran (eLoran) Signal Standard for Tri-State Pulse Position Modulation

PNT Position, Navigation, and Timing
  • Aerospace Standard
  • SAE9990/1
  • Current
Published 2018-09-17 by SAE International in United States
This eLoran transmitted signal standard provides technical descriptions of a data channel based on the tri-state pulse position modulation technique. The eLoran transmitted signal standard, to which this data channel technique applies, is part of the SAE9990 family of standards covering data channels, receiver specifications, and recommended practices for eLoran.
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Transmitted Enhanced Loran (eLoran) Signal Standard

PNT Position, Navigation, and Timing
  • Aerospace Standard
  • SAE9990
  • Current
Published 2018-09-13 by SAE International in United States
This transmitted eLoran signal standard provides technical descriptions of the waveform, specifications, and explanations. The data channel, receiver specification, and recommended practices are described in the SAE9990 family of standards.
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Material Brings Optical Communication onto Silicon Chips

  • Magazine Article
  • TBMG-32498
Published 2018-08-01 by Tech Briefs Media Group in United States

An increase in computing performance has been achieved by squeezing ever more transistors into a tighter space on microchips. This downsizing has also meant packing the wiring within microprocessors ever more tightly together, leading to effects such as signal leakage between components, which can slow down communication between different parts of the chip. This delay, known as the “interconnect bottleneck,” is becoming an increasing problem in high-speed computing systems.

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CDIF Integrated Meta-model - State/Event Model Subject Area

Systems Management Council
  • Aerospace Standard
  • EIAIS116
  • Current
Published 2016-06-16 by SAE International in United States
The CDIF Family of Standards is primarily designed to be used as a description of a mechanism for transferring information between CASE tools. It facilitates a successful transfer when the authors of the importing and exporting tools have nothing in common except an agreement to conform to CDIF. The language that is defined for the Transfer Format also has applicability as a general language for Import/Export from repositories. The CDIF Integrated Meta-model defined for CASE also has applicability as the basis of standard definitions for use in repositories. The standards that form the complete family of CDIF Standards are documented in EIA/IS-106 CDIF - CASE Data Interchange Format - Overview. These standards cover the overall framework, the transfer format and the CDIF Integrated Meta-model. The diagram in Figure 1 depicts the various standards that comprise the CDIF Family of Standards. The shaded box depicts this standard and its position in the CDIF Family of Standards.
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