Results 51 to 60 of about 6,166,267 (187)
High-Precision Joint Ranging Method Based on Pseudo-Random Code and Single-Tone Signal
IEEE Photonics JournalIn this paper, a laser joint ranging method, which integrates the pseudo-random code with the single-tone signal, is proposed for realizing high accuracy and precision.
Chaoyang Li +4 more
doaj +1 more source
The Marshall Islands : history, culture and communication [PDF]
, 1980 "Draft: Not for Quotation, Citation or Reproduction without Permission of Author."For more about the East-West Center, see https://www.eastwestcenter.org/Policy decisions about communication system resources are an important part of controlled ...
Runeborg, Ruth E. +1 more
core +1 more source
天地一体化信息网络, 2021 The eff ect of beam center shift on the performance of satellite chaos laser safety communication system in spaceintegrated-ground information network was studied, the bit error rate (BER) formulae with external and internal mismatch caused by beam ...
Mi LI +5 more
doaj +2 more sources
A Review on All-Optical Switching in Intersatellite Laser Communication
Advanced Devices & InstrumentationAs intersatellite laser communication progresses from its early in-orbit experiments to a fully operational network, the node access scheme is becoming increasingly intricate.
Feng Li +8 more
doaj +1 more source
Development concept of inter-satellite laser communication
Siberian Aerospace Journal, 2023 The relevance of this research work is dictated, among other things, by the need to ensure higher requirements for the accuracy characteristics of the navigation field created by spacecraft of the GLONASS navigation system in order to meet the high requirements for the accuracy characteristics of navigation determinations over long intervals of ...
openaire +1 more source
, 2012 A Chinese satellite gravity mission called SAGM (Space Advanced Gravity Measurements) is now taken into consideration. To meet its designed requirement, the measurement precision of the laser ranging system used to measure the inter-satellite distance ...
李玉琼 +6 more
core +1 more source
Analysis and application of 1-way laser ranging data from Wettzell station to LRO [PDF]
, 2012 One-way LR (Laser Ranging) is performed routinely from ILRS (International Laser Ranging Service) ground stations to the LOLA (Lunar Orbiter Laser Altimeter) instrument which is onboard NASA’s LRO (Lunar Reconnaissance Orbiter).
Hussmann, Hauke +12 more
core
天地一体化信息网络Satellite laser communication uses laser with shorter wavelength as the information carrier for data transmission, which can achieve a higher data transmission rate than RF communication.
YUAN Renzhi +6 more
doaj
IEEE Photonics JournalSatellite optical communication networks have become a promising core network structure, surpassing 5G and 6G, and are expected to realize seamless connections between terrestrial and non-terrestrial networks.
Xiaoliang Li +6 more
doaj +1 more source
Mapping and monitoring of vegetation using airborne laser scanning [PDF]
, 2014 In this thesis, the utility of airborne laser scanning (ALS) for monitoring vegetation of relevance for the environmental sector was investigated. The vegetation characteristics studied include measurements of biomass, biomass change and vegetation ...
Nyström, Mattias
core +1 more source