Results 21 to 30 of about 184,736 (242)

A noise removal algorithm based on adaptive elevation difference thresholding for ICESat-2 photon-counting data

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2023
Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) has shown great potential for near-shore bathymetry. Unavoidably, the photon data acquired has a lot of noise.
Bikang Wang   +7 more
doaj   +1 more source

DSN acquisition of Magellan high-rate telemetry data [PDF]

open access: yes, 1992
The Magellan Project levied the stringent requirement of a 98 percent high-rate telemetry data capture rate on the Deep Space Network (DSN) during the Magellan Prime Mapping Mission.
Au, P. A., Berman, A. L.
core   +1 more source

Estimating risk when zero events have been observed [PDF]

open access: yes, 2013
Assessing the risk of complications or adverse events following an intervention presents challenges when they have not yet occurred. Suppose, for instance, a chronic shortage of cardiac telemetry beds has prompted a hospital to implement a new policy ...
Dawson, Jesse   +2 more
core   +1 more source

Spin-Axis Attitude Determination Program for the Geosynchronous Transfer Orbit Spacecraft [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1993
Three types of spin-axis attitude determination program for the geosynchronous transfer orbit spacecraft are developed. Deterministic closed-form algorithm, batch least-square algorithm and stabilized Kalman filter algorithm are used for implemetation of
Byoung-Sun Lee, Jong Won Eun
doaj  

A telemetry antenna system for unmanned air vehicles [PDF]

open access: yes, 2010
This paper presents a low VSWR high gain telemetry antenna system manufactured for UAVs that provides 360± coverage in the roll plane of the UAV. Proposed telemetry antenna system includes four telemetry antennas, one power divider that has one input and
Dogan, Mustafa   +3 more
core  

An Updated Rounds Checklist to Increase Appropriate Use of Telemetry Monitoring [PDF]

open access: yes, 2015
Background: Telemetry monitoring is an essential tool to monitor cardiac electrical activity. Its overuse is costly in time and resources and leads to subsequent testing and treatments that are not necessary for the patient and, in addition, healthcare ...
Miller, Hattie
core   +1 more source

Research of heading measurement system for UAV based on combined filter

open access: yesDianzi Jishu Yingyong, 2018
In order to solve the precise heading measurement problems of low cost rotor unmanned aerial vehicle(UAV), a method of heading measurement system based on MEMS sensors is designed in this paper.
Wang Yongjun, Li Zhi, Li Xiang
doaj   +1 more source

A cross product calibration method for micro-electro mechanical system gyroscope in unmanned aerial vehicle attitude determination system

open access: yesMeasurement + Control, 2020
This paper presents a novel calibration method for micro-electro mechanical system gyroscope in attitude measurement system of small rotor unmanned aerial vehicles.
Yongjun Wang, Zhi Li, Xiang Li
doaj   +1 more source

Calibration of Multi-wavelength Raman Polarization Lidar

open access: yesEPJ Web of Conferences, 2015
The current high energy cosmic ray detection technology, including Cherenkov telescopes and fluorescence detector, is mainly limited by uncertainties in the determination of atmospheric parameters.
Wang Xuan   +6 more
doaj   +1 more source

Nimbus Telemetry [PDF]

open access: yes, 1962
Nimbus satellite - pulse-code-modulated telemetry ...
Adkins, F. L., Griffin, C. E.
core   +1 more source

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