asteroza + navigation   98

Huh, sub 10cm on average, sub 3cm most of the time. GLONASS helps most of the time...
differential  GPS  service  navigation 
7 days ago by asteroza
Interesting HCI work on showing self driving car intentions. Japanese makers seem to working more towards expressive eyes as the signal system though.
HCI  self  driving  car  navigation  intention  signal  signaling  signage  projection  sign  direction  automotive  technology 
february 2019 by asteroza
Brain’s Positioning System Linked to Memory | Quanta Magazine
Evolution reusing things, so animal navigation being used for higher brain functions perhaps...
brain  biology  memory  navigation  mapping  positioning  learning  education  research 
december 2018 by asteroza
Quantum Physicists Found a New, Safer Way to Navigate | WIRED
Quantum magnetometer showing strength and direction, mapped to know earth mag anomalies, as well as a quantum laser rate gyro that requires no drift resets.
quantum  sensor  navigation  magnetometer  earth  anomaly  field  mapping  laser  rate  gyro  diffraction  pattern  hardware  electronics  devices  research  technology 
november 2018 by asteroza
A fully autonomous terrestrial bat-like acoustic robot
A test to replicate bat echolocation using wideband ultrasound to get better SLAM
UGV  drone  biomimicry  echolocation  wideband  ultrasound  SLAM  computational  biology  navigation 
september 2018 by asteroza
Targeting chaotic orbits to the Moon through recurrence - Semantic Scholar
Takes 2 years to get from earth to the moon, but with 38% less fuel than a hohmann transfer. Slow boat is slow...
chaotic  orbit  orbital  transfer  earth  moon  LEO  astrogation  navigation  research  dynamics 
july 2018 by asteroza
AWR1642 Single-Chip 76-to-81GHz Automotive Radar Sensor Integrating DSP and MCU |
TI is making their automotive radar sensor chips available for general industrial use now
radar  chip  sensor  autonomous  navigation  UGV  UAV  hardware  electronics  devices 
april 2018 by asteroza
So LEO propellant depots always have an alignment problem if using a single burn from the depot, making them unattractive. But if you can handle an extra few weeks (and a long duration upper stage), 3 burn departure basically fixes all the sins of a prop depot.
NASA  space  propulsion  propellant  depot  departure  orbit  design  3  burn  interplanetary  escape  LEO  navigation  astrogation  trajectory 
february 2018 by asteroza
Cut down QRcodes suitable for outdoor environments being viewed from extreme distance/angles for better machine vision recognition.
AprilTag  long  distance  machine  computer  vision  object  tracking  2D  barcode  QRcode  recognition  unmanned  vehicle  navigation  UAV  UGV  Delicious 
march 2017 by asteroza
XCOM - X-ray communications research
Reusing x-ray position beacon development work as a simple transmitter. Can potentially punch through reentry plasma sheaths as well, and may be low power. Bandwidth isn't very high for now (mostly brute force morse at the moment)
NASA  wireless  communication  XCOM  xray  beacon  transmitter  receiver  space  long  range  hardware  electronics  devices  research  technology  pulsar  navigation  modulated  source  Delicious 
november 2016 by asteroza
ArcGIS Earth
Wow, ESRI is putting out a free version that parallels Google Earth Pro being free...
ESRI  ArcGIS  earth  desktop  software  freeware  GIS  mapping  cartography  navigation  Delicious 
january 2016 by asteroza
Precision Landing
Apparently already integrated with APM.
IR  landing  guide  beacon  hardware  electronics  devices  UAV  drone  navigation  APM  Arducopter  Delicious 
may 2015 by asteroza
Wonder how useful this would be for UAV drone navigation/INS software, since this does vectors/matrix/quaternions...
google  opensource  software  math  simple  geometry  navigation  library  quaternion  vector  matrix  Delicious 
may 2015 by asteroza
Ultimate Dynamic Navbar - Android Apps on Google Play
Another navbar hider for Nexus 6 AMOLED screen burnin protection
navbar  status  navigation  bar  hider  android  app  software  screen  display  burnin  Delicious 
january 2015 by asteroza
GMD Full Screen Immersive Mode - Android Apps on Google Play
Another partial solution to screen burnin on Nexus 6 AMOLED screens is to use a status bar/navbar hider like this.
android  app  software  navbar  navigation  status  bar  hider  screen  display  burnin  Delicious 
january 2015 by asteroza
Interesting indoor mapping using landmark photos for navigation
SLAM  indoor  navigation  mapping  image  recognition  Delicious 
october 2014 by asteroza
Okay, so these guys are cheating a little here. The LED lights (customized Solais Lighting LED bulbs) flash a high speed morse code MAC address, which a smartphone camera app decodes and sends to a cloud service to pick up information and content to be shown in the app. So info can be exhibit contents, as well as indoor navigation locations.
iPad  transmitter  app  hardware  indoor  android  marketing  broadcast  data  LED  software  iPhone  lightbulb  navigation  opt-in  ByteLight  devices  light  iOS  electronics  flicker  blink  beacon  bluetooth  Delicious 
january 2013 by asteroza
inmotiotec - Abatec Group (Neu) - abatec group
Indoor positioning system that can be used for UAV's. Setup seems to be adhoc mostly (positioning of transmitters), with at least 12 transmitters deployed in a space. 1kHz signal rate, provides 5-15cm accuracy via position triangulation updated at 20Hz.
transponder  active  RF  UAV  devices  electronics  hardware  LPM  measurement  position  location  navigation  system  positioning  local  indoor  inmotiotec  Delicious 
december 2012 by asteroza
1211.5412v1.pdf (application/pdf Object)
Interesting chinese work on using EoL C-band transmitter GEO satellites that have drifted off-plane as a pseudo-GPS system with potentially equivalent performance to GPS at substantially lower cost. I assume there will also be a terrestrial repeater network, likely cellular tower based, for improvements in urban canyon environments. The interesting question is will any existing satellite operator be wiling to rent their EoL but still operable satellites, as this can be considered part of a military weapons and navigation system potentially. The alternative is chinese GEO sats having the capability baked in to improve usefulness at EoL. They only need 4 SIGSO sats and 2 GEO sats for the minimum constellation, ostensibly covering mainland china.
cost  low  system  position  terrestrial  navigation  recycling  reuse  satellite  GEO  SIGSO  CAPS  COMPASS  china  Delicious 
november 2012 by asteroza
Robin - your personal eyes-free assistant on the road!
A voice activated eyes free virtual driving assistant app. Not meant to be a direct competitor to Siri, more of a competitor to various navigation apps/services.
Robin  android  app  navigation  driving  virtual  assistant  voice  command  assist  search  engine  service  software 
september 2012 by asteroza
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