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Author: H. J. Paik Publisher: ISBN: Category : Artificial satellites Languages : en Pages : 249
Book Description
The scientific justification and requirements for such a mission. Includes geophysics, the primary mission objective, as well as secondary objectives, such as navigation and tests of fundamental laws of physics, that is, a null test of the inverse square law of gravitation and tests of general relativity. The instrument design and status along with mission analysis, engineering assessments, and preliminary spacecraft concepts. Critical spacecraft systems and required technology advancements are examined. The mission requirements and an engineering assessment of a precursor flight test of the instrument.
Author: H. J. Paik Publisher: ISBN: Category : Artificial satellites Languages : en Pages : 249
Book Description
The scientific justification and requirements for such a mission. Includes geophysics, the primary mission objective, as well as secondary objectives, such as navigation and tests of fundamental laws of physics, that is, a null test of the inverse square law of gravitation and tests of general relativity. The instrument design and status along with mission analysis, engineering assessments, and preliminary spacecraft concepts. Critical spacecraft systems and required technology advancements are examined. The mission requirements and an engineering assessment of a precursor flight test of the instrument.
Author: National Aeronautics and Space Adm Nasa Publisher: Independently Published ISBN: 9781729172810 Category : Science Languages : en Pages : 48
Book Description
An executive summary is presented based upon the scientific and engineering studies and developments performed or directed by a Study Team composed of various Federal and University activities involved with the development of a three-axis Superconducting Gravity Gradiometer integrated with a six-axis superconducting accelerometer. This instrument is being developed for a future orbital mission to make precise global gravity measurements. The scientific justification and requirements for such a mission are discussed. This includes geophysics, the primary mission objective, as well as secondary objectives, such as navigation and tests of fundamental laws of physics, i.e., a null test of the inverse square law of gravitation and tests of general relativity. The instrument design and status along with mission analysis, engineering assessments, and preliminary spacecraft concepts are discussed. In addition, critical spacecraft systems and required technology advancements are examined. The mission requirements and an engineering assessment of a precursor flight test of the instrument are discussed. Morgan, Samuel H. (Editor) and Paik, Ho Jung (Editor) Marshall Space Flight Center RTOP 676-59-33...
Author: Alexey V Veryaskin Publisher: Morgan & Claypool Publishers ISBN: 1681747030 Category : Science Languages : en Pages : 192
Book Description
Gradiometry is a multidisciplinary area that combines theoretical and applied physics, ultra-low noise electronics, precision engineering, and advanced signal processing. All physical fields have spatial gradients that fall with distance from their sources more rapidly than the field strength itself. This makes the gradient measurements more difficult. However, there has been a considerable investment, both in terms of time and money, into the development of various types of gradiometers driven by the extremely valuable type of information that is contained in gradients. Applications include the search for oil, gas, and mineral resources, GPS-free navigation, defence, space missions, medical research, and some other applications. The author describes gravity gradiometers, magnetic gradiometers, and electromagnetic (EM) gradiometers. The first two types do not require any active sources of the primary physical fields whose gradients are measured, such as gravity field and ambient magnetic field. EM gradiometers do require a primary EM field, pulsed, or sinusoidal, which propagates through media and creates a secondary EM field. The latter one contains information about the non uniformness of electromagnetically active media such as conductivity and magnetic permeability contrasts. These anomalies are the boundaries of mineral deposits, oil and gas traps, underground water reserves, buried artifacts, unexploded ordnance (UXO), nuclear submarines, and even cancerous human tissue. This book provides readers with a comprehensive introduction, history, potential applications, and current developments in relation to some of the most advanced technologies in the 21st Century. Most of the developments are strictly controlled by Defence Export Control rules and regulations, introduced in all developed countries that typically require permission to transfer relevant information from one country to another. The book is based on the materials that have been available in public domain such as scientific journals, conferences, extended abstracts, and online presentations. In addition, medical applications of EM gradiometers are exempt from any control, and some new results relevant to breast cancer early detection research are published in this book for the first time.
Author: H. J. Paik
Author: H. J. Paik
Author: Samuel H. Morgan
Author: Samuel Harold Morgan
Author: National Aeronautics and Space Adm Nasa
Author: Samuel H. Morgan
Author: Samuel H. Morgan
Author: William C. Wells
Author: William C. Wells
Author: Alexey V Veryaskin
Author: H. J. Paik