Results 41 to 50 of about 9,599 (294)

Satellite laser ranging at ultra-high PRF of hundreds of kilohertz all day

Frontiers in Physics, 2022
Satellite laser ranging (SLR) had been operated at a pulse repetition frequency (PRF) from ∼10 Hz to 10 kHz; the ultra-high PRF of SLR (UH-SLR) is a trend of development.
Mingliang Long, Haifeng Zhang, Haifeng Zhang, Rong Zong Yu, Zhibo Wu, Zhibo Wu, Si Qin, Zhongping Zhang, Zhongping Zhang, Zhongping Zhang   +9 more
doaj   +1 more source

Testing gravitation with satellite laser ranging and the LARASE experiment [PDF]

The Fourteenth Marcel Grossmann Meeting, 2017
The International Laser Ranging Service (ILRS) provides range measurements of passive satellites around the Earth through the powerful Satellite Laser Ranging (SLR) technique. These very precise measurements of the distance between an on-ground laser station and a satellite equipped with cube corner retro-reflectors (CCRs) make possible precise tests ...
Lucchesi D, Anselmo L, Bassan M, Pardini C, Peron R, Pucacco G, Visco M   +6 more
openaire   +5 more sources

HORIZONTAL POSITION OPTIMAL SOLUTION DETERMINATION FOR THE SATELLITE LASER RANGING SLOPE MODEL [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
According to the Gaussian-fit laser echo model and the terrain slope model, the regular mean value theorem and the asymptotic principle of the median point of the double integral mean value theorem are used to derive the optimal solution for the ...
Y. Wang, Y. Ai, Y. Hu, R. Wang
doaj   +1 more source

Light‐Assisted 3D Printing Techniques and Photocrosslinking Strategies: Recent Advances in Musculoskeletal Tissue Engineering

Advanced Engineering Materials, EarlyView.
In this review, the current state of light‐assisted 3D printing as it pertains to engineering musculoskeletal tissues including bone, cartilage, skeletal muscle, tendon, and ligaments is summarized. Common printing techniques, photoreactive materials, and study design choices are compiled and reviewed.
Meagan Morgan, Bin Zhang, Roger Narayan
wiley   +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, Mazarico, Erwan, Smith, David, Neumann, Gregory, McGarry, Jan, Mao, Dandan, Torrence, Mark, Oberst, Jürgen, Herold, Günther, Zuber, Maria, Schreiber, Ullrich, Sven, Bauer, Gläser, Philipp   +12 more
core  

Inverse Identification of Energy‐Dependent Laser Absorptivity in NiTi Laser Powder‐Bed Fusion via Calibrated Melt Pool Simulation

Advanced Engineering Materials, EarlyView.
A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi, Hadi Moutablaleh, Ignatius A. Setiawan, Mehrshad Mehrpouya   +3 more
wiley   +1 more source

Reduction and analysis of one-way laser ranging data from ILRS ground stations to LRO [PDF]

, 2013
One-way LR (Laser Ranging) is being performed routinely from ILRS (International Laser Ranging Service) ground stations to LOLA (Lunar Orbiter Laser Altimeter), onboard NASA’s LRO (Lunar Reconnaissance Orbiter).
Schreiber, Ulli, Smith, David, Neumann, Gregory, McGarry, Jan, Mao, Dandan, Torrence, Mark, Oberst, Jürgen, Hussmann, Hauke, Zuber, Maria, Mazarico, Erwan, Bauer, Sven, Gläser, Philipp   +11 more
core  

Hybrid Metal–Carbon Ink for Printed Stretchable Temperature Sensors

Advanced Engineering Materials, EarlyView.
We prepare conductive inks for temperature sensing with silver flakes and carbon or graphite flakes in a silicone elastomer matrix. Silver dominates the temperature‐dependent conductivity, while the carbon filler network ensures the stability of the conductive pathways and retains function under strain.
Makara Lay, Xue Bai, Thomas Kister, Tobias Kraus   +3 more
wiley   +1 more source

Satellite laser ranging slr station "Lviv" [PDF]

, 2011
The current status and capabilities of one of the geodetic techniques satellite laser ranging is presented The Lviv astronomical observatory satellite laser ranging station is described within the international network The main scientific research areas ...
Білінський, А., Апуневич, С., Вовчик, Е., Вірун, Н., Благодир, Я.   +4 more
core   +3 more sources

GNSS Real-Time ZTD/PWV Retrieval Based on PPP with Broadcast Ephemerides

Atmosphere
GNSS precise point positioning (PPP) plays an important role in retrieving atmospheric water vapor values and performing numerical weather prediction. However, traditional PPP relies on real-time orbits and clocks, which require continuous internet or ...
Zongqiu Xu, Shuhao Liu, Yantian Xu, Longjiang Tang, Nannan Yang, Gen Zhang   +5 more
doaj   +1 more source