Difference between revisions of "Time"
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| − | <b> | + | <b>Securing Positioning & Timing 2: GPS/GNSS Vulnerability Types and Examples |
| − | </b><br> | + | </b><br>Royal Institute of Navigation The second of a series of webinars from the Securing Positioning & Timing short course. This webinar covers GPS/GNSS Vulnerability Types and Examples. Presented by Guy Buesnel. Supported by the UK Space Agency. Website: http://rin.org.uk/ |
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| − | <b> | + | <b>When GNSS fails, what will you do? - MarRINav! |
| − | </b><br> | + | </b><br>This webinar, called 'When GNSS fails, what will you do? - MarRINav! ' features presentations and comments form Jonathan Turner (NLA Int.), Dr Alan Grant (GLA), and Dana Goward (RNTF). The webinar provides analysis and insights from Phase 1 of the Maritime Resilience and Integrity of Navigation (MarRINav) project. To download the full transcript of Jonathan's presentation please follow this link: https://rin.org.uk/resource/resmgr/fi... Many thanks to all co-sponsors of this webinar: Resilient Navigation and Timing Foundation, Institute of Navigation, GPS World, The Maritime Executive, and of course the MarRINav project. Website: http://rin.org.uk/ |
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Revision as of 22:47, 15 November 2020
YouTube search... ...Google search
- Quantum
- Time ...Coordinated Universal Time UTC ... Clock ...Timekeeping | Wikipedia
- The Very Long and Fascinating History of Clocks | Christopher McFadden - Interesting Engineering
- What Is a Leap Second? | Konstantin Bikos and Anne Buckle - timeanddate.com
- Atomic clocks ...Tide Clock | Amazon
- Cybersecurity
- Crown Sterling ... changing the face of digital security with its non-integer-based algorithms that leverage time, AI and irrational numbers.
- Quantum cryptography ... the infosec industry looks to quantum cryptography and quantum key distribution (QKD)
- Time Series
- Models
- Transformer
- Generative Pre-trained Transformer (GPT)
- Attention Mechanism/Transformer Model
- Transformer-XL
- Sequence to Sequence (Seq2Seq)
- End-to-End Speech
- Neural Turing Machine
- Recurrent Neural Network (RNN)
- (Tree) Recursive Neural (Tensor) Network (RNTN)
- Temporal Difference (TD) Learning
- Time Series Forecasting - Statistical
- Time Series Forecasting - Deep Learning
- Spatial-Temporal Dynamic Network (STDN)
- Transformer
Whenever we have developed better clocks, we’ve learned something new about the world.
- Alexander Smith New Time Dilation Phenomenon Revealed: Timekeeping Theory Combines Quantum Clocks and Einstein’s Relativity - Dartmouth College
The Earth's rotation is so accurate it varies only in milliseconds ...do you feel the Earth rotation slowing down?
Contents
YouTube search... ...Google search
- Case Studies
- Autonomous Drones
- History of Navigation | Wikipedia
- Navigation Aids | Department of Transportation, Federal Aviation Administration
Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another.[1] The field of navigation includes four general categories: land navigation, marine navigation, aeronautic navigation, and space navigation. Navigation | Wikipedia
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GPS: The Global Positioning System
YouTube search... ...Google search
- Case Studies
- Autonomous Drones
- Deepmind teaches AI to follow navigational directions like humans | Tristan Greene
- Artificial intelligence in GPS navigation systems | Jeffrey L. Duffany
- RoadTagger: GPS system upgrade utilizes AI to make sure you're in the right lane | David Nield - New Atlas ...Artificial intelligence to update digital maps and improve GPS navigation | Amit Malewar - InceptiveMind
- GPS.gov
- Inside GNSS ...Global Navigation Satellite Systems
- Navstar | Space.com ...is a network of U.S. satellites that provide GPS services
- SpaceX launches third-generation GPS navigation satellite | CBS News ...GPS-3 satellite — the fourth in a series of more powerful third-generation navigation stations built by Lockheed Martin — was expected to be deployed about a 90 minutes after liftoff. Assuming tests and checkout go well, it will join a globe-spanning constellation of 31 GPS satellites.
- Air Force asks three U.S. contractors to develop miniature ASIC technology for next-gen GPS receivers | John Keller - Military & Aerospace Electronics ...small low-power-consumption GPS enabling technologies to include a next-generation ASIC for secure GPS land navigation.
- China tipped to 'wipe out' GPS with 'dire consequences' after conflict catalyst exposed | Callum Hoare - The Daily Express ...China could bring the world to its knees by "wiping out" GPS, a key system used by the US military and its NATO allies, an expert on space policy has told Express.co.uk GPS Unreliability | Dennis L. Bryant - MarineLink ...GPS has been copied by Russia's GLONASS, Europe’s Galileo, China's BeiDou, India’s IRNSS, and Japan’s QZSS
- China Launches Beidou, Its Own Version of GPS | Andrew Jones - IEEE Spectrum ...China places the final Beidou navigation system satellite into orbit
- There’s no GPS in outer space
- NASA is Making An AI-Based GPS For Space | Kristin Houser
- Frontier Development Lab (FDL) ...Artificial Intelligence Research for Space Science, Exploration & All Humankind
GPS receivers that use the L5 band can pinpoint to within 30 centimeters or 11.8 inches. The GPS concept is based on time and the known position of GPS specialized satellites. The satellites carry very stable atomic clocks that are synchronized with one another and with the ground clocks. Any drift from time maintained on the ground is corrected daily. In the same manner, the satellite locations are known with great precision. GPS receivers have clocks as well, but they are less stable and less precise. Each GPS satellite continuously transmits a radio signal containing the current time and data about its position. Since the speed of radio waves is constant and independent of the satellite speed, the time delay between when the satellite transmits a signal and the receiver receives it is proportional to the distance from the satellite to the receiver. A GPS receiver monitors multiple satellites and solves equations to determine the precise position of the receiver and its deviation from true time. At a minimum, four satellites must be in view of the receiver for it to compute four unknown quantities (three position coordinates and clock deviation from satellite time). Global Positioning System | Wikipedia
YouTube search... ...Google search
- Tactical Radio (TR) A-PNT Overview | COL Daniel F. Kuntz, USA - TRADOC Capabilities Manager Tactical Radios (TCM TR) - U.S. Army Cyber Center of Excellence & Fort Gordon
- A-PNT: Assured Position, Navigation and Timing | Curtiss-Wright
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YouTube search... ...Google search
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YouTube search... ...Google search
YouTube search... ...Google search
- Review of Quantum Navigation | Donghui Feng - IOP Conference Series: Earth and Environmental Science
- Quantum Sensing Technology Growing Rapidly to Enable Ultra Sensitive Quantum RADARS, Imaging, and Navigation | Rajesh Uppal - International Defence Security & Technology
Time & Music
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