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POINTING ANGLE CALIBRATION OF ZY3-02 SATELLITE LASER ALTIMETER USING TERRAIN MATCHING
ZY3-02 Satellite Laser Altimeter Geometric Calibration Terrain Matching GLAS
2017/7/12
After GLAS (Geo-science Laser Altimeter System) loaded on the ICESat (Ice Cloud and land Elevation Satellite), satellite laser altimeter attracts more and more attention. ZY3-02 equipped with the Chin...
Laser Footprint Size and Pointing Precision Analysis for LIDAR Systems
LiDAR Data Accuracy Analysis Laser scanning
2015/11/20
Laser footprint size and beam divergence angle tuning was found to affect LiDAR data accuracy and measurement precision because of beam axis shifting. The laser beam divergence angle is generally tuna...
PRELIMINARY ESTIMATION ON POINTING ACCURACY OF JAPANESE QUASI-ZENITH SATELLITE-1 (MICHIBIKI) L1-SAIF
GNSS QZS MICHIBIKI L1-SAIF NAVIGATION GPS
2014/4/25
Japanese Quasi-Zenith Satellite-1 (QZS1) named MICHIBIKI was launched in September, 2010. This paper shows a preliminary estimation of positioning accuracy of the QZS1. The mission of QZS1 is to raise...
A Magnetically Levitated Precise Pointing Mechanism for Application to Optical Communication Terminals
Optical Communications Magnetic Levitation Control Pointing Active Anti-Vibration
2013/1/30
Increasing data bandwidth requirements from spacecraft systems is beginning to pressure existing microwave communications systems. Free-Space optical communications allows for larger bandwidths for lo...
Development of a Pointing and Power Stabilization System for Intense Few-cycle Lasers
Laser stabilization Spectral broadening Pulse compression Ultrashort
2009/6/1
We have developed and demonstrated a pointing and power stabilization system for intense few-cycle pulse generation at high repetition rates. The output power from a 1 kHz Ti:sapphire laser system was...