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Miniaturization and Micro/Nanotechnology in Space Robotics
[chapter]
2012
Nanorobotics
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Space is an exciting but fundamentally unfriendly environment for humans. ...
However on a broader sense, almost everything that has been sent into space, integrates a form of automation in some degree, and therefore can be characterized as "automated or robotic". ...
Acknowledgments Part of the work presented in this chapter was conducted under the ESA Project "Identification and Assessment of Existing Terrestrial Micro-systems and Microtechnologies for Space Robotics ...
doi:10.1007/978-1-4614-2119-1_5
fatcat:gnfjls5mbrdgdiwxu6mhbrnble
Radiation Belt Storm Probes—Observatory and Environments
2012
Space Science Reviews
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A description of the observatory environment is provided along with protection for sensitive electronics to support operations in the harsh radiation belt environment. ...
The twin RBSP observatories (recently renamed the Van Allen Probes) will follow slightly different orbits and will lap each other four times per year, offering simultaneous measurements over a range of ...
Acknowledgements The authors thank the NASA Living With a Star program and the Science Mission Directorate for support of this work, as well as the efforts of the many RBSP team members whose work will ...
doi:10.1007/s11214-012-9949-2
fatcat:dvce2gpnqnd3lcafxp6gh6fege
Graphene
[chapter]
2012
Encyclopedia of Nanotechnology
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Current emphasis in low-cost inertial sensor commercialization is on a System-in-a-Package (SiP) and ultimately single-chip integration of 6 axis of inertial sensing augmented with a 3 axis magnetometer ...
À r 0 Þ; (30) where I is the unit dyadic tensor (I Á A ¼ A for any vector function A). ...
Combining three gyroscopes with three accelerometers in a complete 6-axis Inertial Measurement Unit (IMU) enables self-contained Inertial Navigation Systems (INS) for navigation, guidance, and dead reckoning ...
doi:10.1007/978-90-481-9751-4_373
fatcat:ufbrwpdaingvdgjkgcybe3zlbi
Velocity-free fault-tolerant rendezvous law based on dual-layer adaptive algorithm
2020
IEEE Access
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Moreover, to overcome the sensor fault in relative-velocity channel, a robust observer which can drive the velocity error converge to zero in a small finite time is presented. ...
difficult-repaired sensor and actuator failure always occurs during the spacecraft rendezvous guidance phase and may cause terrible performance, this paper studies the fault-tolerant guidance method and proposes a ...
suppressor for example) to keep attitude stability, whilst omitting the tiny time delay between command generator and actuators. ...
doi:10.1109/access.2020.3009662
fatcat:wko5oe75qvd4zdnlrksr2xfct4
Table of Contents
2016
Molecular Endocrinology
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Lowe United States Air Force Academy
~ Assigning Accurate and Effective Anti-Terrorism Measures for U.S. ...
Dynamic and buoyant fluid forces, added mass effects and inertial forces are combined at each time step to calculate accelerations, velocities, and displacements of each segment of the line; line segments ...
Brandt United States Air Force Academy A low cost, aerodynamically stable platform capable of representing fifth generation fighter aircraft is needed to test US weapons systems. ...
doi:10.1210/mend.2016.30.issue-5.toc
fatcat:qwwl2b2jxjd2pcyn2o6nqqzrb4
A coupled bispectral, temporal and spatial coherence function of the pressure field, scattered from a moving sea surface
1995
Journal of the Acoustical Society of America
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Technical Advisory Groups for ISO/TC 43 (P. D. Schomer), IEC/TC 29 (V. Nedzelnitsky), and ISO/'rc 108/SC4 (H. ...
Technical Advisory Groups for ISO/TC 43 (P. D. Schomer), and IEC/TC 29 (V. Nedzelnitsky), will report on current activities of these international Technical Committees. ...
It provides a recipe for inverting stress-strain data (low-frequency data) for the distribution of hysteretic mechanical units. ...
doi:10.1121/1.414267
fatcat:gtdrkztuvfbova3a4rdj2f7umu
A virtual auditory environment for investigating the auditory signal processing of realistic sounds
2008
Journal of the Acoustical Society of America
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A low power and low noise infrasound sensor for temporary measurements. ...
, e.g., measurement accuracy and expense, costs, etc. ...
This technology provides for a cost effective tool for the measurement of coherent signal propagation, depth dependent and directional noise fields and to establish quantitative limits on array performance ...
doi:10.1121/1.2936003
fatcat:ontu6yamdvgbnooet5fe36fm74
Analysis of room transfer function and reverberant signal statistics
2008
Journal of the Acoustical Society of America
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A low power and low noise infrasound sensor for temporary measurements. ...
, e.g., measurement accuracy and expense, costs, etc. ...
This technology provides for a cost effective tool for the measurement of coherent signal propagation, depth dependent and directional noise fields and to establish quantitative limits on array performance ...
doi:10.1121/1.2935346
fatcat:lxgnqr6tozajhge3ydet3xomam
Temporal suppression and augmentation of click-evoked otoacoustic emissions
2008
Hearing Research
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Measurement of room-to-room airborne sound insulation with an access floor in a dwelling unit of condominium. ...
Examples are presented for a room with a diffuse sound field, and for elongated rooms where the sound field is strongly non-diffuse, in the case of both diffuse and specular reflections. 3760 Enclosures ...
A low power and low noise infrasound sensor for temporary measurements. ...
doi:10.1016/j.heares.2008.09.008
pmid:18926894
fatcat:bijdlpxpzfcsrjeefayvvu4pl4
Temporal suppression and augmentation of click‐evoked otoacoustic emissions
2008
Journal of the Acoustical Society of America
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Measurement of room-to-room airborne sound insulation with an access floor in a dwelling unit of condominium. ...
Examples are presented for a room with a diffuse sound field, and for elongated rooms where the sound field is strongly non-diffuse, in the case of both diffuse and specular reflections. 3760 Enclosures ...
A low power and low noise infrasound sensor for temporary measurements. ...
doi:10.1121/1.2935694
fatcat:z6yidzqqendznbmrczb3woaiv4
Across‐frequency processes involved in auditory detection of coloration
2008
Journal of the Acoustical Society of America
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Measurement of room-to-room airborne sound insulation with an access floor in a dwelling unit of condominium. ...
Examples are presented for a room with a diffuse sound field, and for elongated rooms where the sound field is strongly non-diffuse, in the case of both diffuse and specular reflections. 3760 Enclosures ...
A low power and low noise infrasound sensor for temporary measurements. ...
doi:10.1121/1.2935741
fatcat:acaporn5qvgb5coauovqkbv6lq
Health—exploring complexity: an interdisciplinary systems approach HEC2016
2016
European Journal of Epidemiology
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Conclusions The estimator for the POR does not outperform the estimator for the OR for all the regarded performance measures. ...
During head impulses, head movements were measured with inertial sensors, eye movements with video-oculography (EyeSeeCam system). ...
In this context, a focused crawler uses techniques from the field of machine learning to estimate the relevance of a webpage for the domain of interest [5,6]. ...
doi:10.1007/s10654-016-0183-1
pmid:27522353
fatcat:dcl3nbpygvh5fg7keri74h55ie
Voronoi polygons and self-consistent technique used to compute the airflow resistivity of randomly placed fibers in glass wool
2002
Journal of the Acoustical Society of America
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Valid data look like a low-pass filtered acceleration time history which is not integrated. ...
The advantages of these devices are high reliability ͑especially when redundantly activated͒, low cost and weight, high activation speed, and low structural deformation a short distance from the source ...
In addition, a number of environmental measurements were taken, making this a suitable data set for acoustic inversion. The SAGA system will be used with several forward models for a comparison. ͓ ...
doi:10.1121/1.4809175
fatcat:jqxtrgkn2fcf3a7vzsp2u56akm
Temporal integration of loudness as a function of level
1995
Journal of the Acoustical Society of America
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A method has been developed based on coupled normal modes which allows us to estimate pulse responses quickly. ...
The acoustic time series can then be analyzed for climatic trends. The control mn is used to estimate the ambient noise processes on long-term scales. ...
This ratio is only 20 (between 0.5 and 10 cm 2) for the "compact" versus "diffuse" axis (from/a/to/i/). ...
doi:10.1121/1.411567
fatcat:h52442zdrnc6zmr4ephlixbspu
Application of the PE method to up‐slope sound propagation
1995
Journal of the Acoustical Society of America
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A method has been developed based on coupled normal modes which allows us to estimate pulse responses quickly. ...
The acoustic time series can then be analyzed for climatic trends. The control mn is used to estimate the ambient noise processes on long-term scales. ...
This ratio is only 20 (between 0.5 and 10 cm 2) for the "compact" versus "diffuse" axis (from/a/to/i/). ...
doi:10.1121/1.411728
fatcat:bvxtg4xt7zcljo4rpxldvug444
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