Christian Doppler
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Moving The Stars
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Author : Peter Maria Schuster
language : en
Publisher: Living Edition, STARNA Ges.m.b.H.
Release Date : 2005
Moving The Stars written by Peter Maria Schuster and has been published by Living Edition, STARNA Ges.m.b.H. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Biography & Autobiography categories.
The Search For Christian Doppler
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Author : Alec Eden
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Search For Christian Doppler written by Alec Eden and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
It is now 150 years ago, on 25th May 1842, that the son of a Salzburg ston emason presented a scientific work "On the coloured light of the double stars and certain other heavenly bodies" at a meeting of the Royal Bo hemian Society of Sciences held in Prague. Christian Andreas Doppler, then professor at the Prague Technical Institute, set a milestone in scien tific history in the meeting room of the Royal Society in the Charles Uni versity, just a few meters from the National Theatre where another genius from Salzburg, Wolfgang Amadeus Mozart, had celebrated his musical triumph with the premiere of his opera Don Giovanni fifty-five years earlier. Doppler's lecture set out in brilliant simplicity what we now call the Doppler principle, which since has found numerous uses in astronomy, which was of primary interest to Christian Doppler. In addition, it has found countless practical applications in physics, navigation, aeronautics, geodesy, medicine, science and technology. In medicine alone, Doppler sonography is now an established diagnostic procedure in the fields of childbirth, cardiology and diseases of the blood vessels, neurology, neuro surgery and vascular surgery, and is continually finding new medical appli cations in today's world of high technology.
Christian Doppler
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Author : Ewald Hiebl
language : en
Publisher: Living Edition, STARNA Ges.m.b.H.
Release Date : 2007
Christian Doppler written by Ewald Hiebl and has been published by Living Edition, STARNA Ges.m.b.H. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Doppler effect categories.
Christian Doppler Thinker And Benefactor
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Author : Alec Eden
language : en
Publisher: Davies Incorporated
Release Date : 1988
Christian Doppler Thinker And Benefactor written by Alec Eden and has been published by Davies Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Doppler effect categories.
A New Doppler Effect
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Author : Florian Ion Petrescu
language : en
Publisher: BoD – Books on Demand
Release Date : 2012
A New Doppler Effect written by Florian Ion Petrescu and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Science categories.
The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842 in Prague, is the change in frequency of a wave for an observer moving relative to the source of the wave. It is commonly heard when a vehicle sounding a siren or horn approaches, passes, and recedes from an observer. The received frequency is higher (compared to the emitted frequency) during the approach, it is identical at the instant of passing by, and it is lower during the recession. The relative changes in frequency can be explained as follows. When the source of the waves is moving toward the observer, each successive wave crest is emitted from a position closer to the observer than the previous wave. Therefore each wave takes slightly less time to reach the observer than the previous wave. Therefore the time between the arrival of successive wave crests at the observer is reduced, causing an increase in the frequency. While they are travelling, the distance between successive wave fronts is reduced; so the waves \\\\\\\"bunch together\\\\\\\". Conversely, if the source of waves is moving away from the observer, each wave is emitted from a position farther from the observer than the previous wave, so the arrival time between successive waves is increased, reducing the frequency. The distance between successive wave fronts is increased, so the waves "spread out". For waves that propagate in a medium, such as sound waves, the velocity of the observer and of the source is relative to the medium in which the waves are transmitted. The total Doppler Effect may therefore result from motion of the source, motion of the observer, or motion of the medium. Each of these effects is analyzed separately. For waves which do not require a medium, such as light or gravity in general relativity, only the relative difference in velocity between the observer and the source needs to be considered.
The Phenomenon Of Doppler
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Author : Ivan Štoll
language : en
Publisher:
Release Date : 1992
The Phenomenon Of Doppler written by Ivan Štoll and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Doppler effect categories.
Atlas Of Tissue Doppler Echocardiography Tde
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Author : R. Erbel
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Atlas Of Tissue Doppler Echocardiography Tde written by R. Erbel and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
This is the first book to present an overview of the exciting new cardiac imaging technique of tissue Doppler echocardiography (TDE). In order to understand the background of this technique, it is necessary to compare the physical properties of blood, which reflects ultrasound poorly but moves with high velocity (up to 150 cm/s) with those of the myocar dium, which reflects ultrasound strongly but moves with low velocity (less than 10 cm/s). In tissue Doppler imaging, existing Doppler technology has been modified to bypass the high-pass filter and enhance calculation of low velocities, thus enabling selective visualization of the myocardium rather than of the blood. Because the color Doppler tissue images are super imposed on the conventional two-dimensional ultrasound images, this technique is known as TDE. Following a brief introduction, the history of ultrasound and Doppler imaging is presented. It is now about 150 years since the death of Christian Doppler, who described the "Doppler" effect, and more than 100 years since Pierre Curie discovered the piezoelectric effects of crystals. TDE was developed by Nobuo Yamazaki and Yoshitaka Mine at the Medi cal Engineering Laboratory, Toshiba Corporation, Tochigi, Japan. En gineers involved in the development of the technique have provided important technical information, which the reader will find an invaluable background to potential applications ofTDE.
Christian Doppler
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Author : Clemens M. Hutter
language : de
Publisher: Verlag Anton Pustet
Release Date : 2017-01-19
Christian Doppler written by Clemens M. Hutter and has been published by Verlag Anton Pustet this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-19 with Biography & Autobiography categories.
Der Salzburger Christian Doppler (1803–1853) entdeckte 1842 einen "Effekt", der die Welt veränderte. Es handelt sich um die Stauchung oder Dehnung eines Signals bei der Veränderung des Abstands zwischen Sender und Empfänger während der Dauer des Signals. Ohne diese bahnbrechende Erkenntnis wären Radar, Ultraschall, GPS, Flugsicherung, Computertomographie, Monitoring von Operationen und Schwangerschaften oder Satellitennavigation unmöglich! Auch wir erleben den Doppler-Effekt, wenn sich zum Beispiel Feuerwehr, Krankenwagen oder Polizei mit Folgehorn Vorrang im Verkehr bahnen. Wer aber war dieser geniale Erfinder? Christian Doppler teilte das Schicksal vieler Größen: Erst kaum beachtet, dann missachtet, endlich – nach seinem Tod – hoch geachtet. Salzburg brauchte lange für die Würdigung seines großen Sohnes. Erst 1900 bekam eine Straße in Lehen Dopplers Namen, und 1903 stifteten Private eine Gedenktafel an Dopplers Geburtshaus – dann Pause, während in Linz, Prag, Wien und Venedig längst Gedenktafeln Dopplers Wirkungs- und Wohnstätten bezeichneten. Seit 1970 trägt sogar ein Krater auf der Rückseite des Mondes seinen Namen. Salzburgs Nachholbedarf deckte die Wissenschaft: Seit 1987 fördert der "Christian-Doppler-Fonds" Forschung, seit 1995 trägt das Gymnasium an der Lehener Brücke und seit 1996 die Heilanstalt in Lehen den Namen Christian Dopplers.
Weltbewegend Unbekannt
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Author : Peter M. Schuster
language : de
Publisher: Living Edition, STARNA Ges.m.b.H.
Release Date : 2003
Weltbewegend Unbekannt written by Peter M. Schuster and has been published by Living Edition, STARNA Ges.m.b.H. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Doppler effect categories.
Galileo Unbound
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Author : David D. Nolte
language : en
Publisher: Oxford University Press
Release Date : 2018-07-12
Galileo Unbound written by David D. Nolte and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-12 with Science categories.
Galileo Unbound traces the journey that brought us from Galileo's law of free fall to today's geneticists measuring evolutionary drift, entangled quantum particles moving among many worlds, and our lives as trajectories traversing a health space with thousands of dimensions. Remarkably, common themes persist that predict the evolution of species as readily as the orbits of planets or the collapse of stars into black holes. This book tells the history of spaces of expanding dimension and increasing abstraction and how they continue today to give new insight into the physics of complex systems. Galileo published the first modern law of motion, the Law of Fall, that was ideal and simple, laying the foundation upon which Newton built the first theory of dynamics. Early in the twentieth century, geometry became the cause of motion rather than the result when Einstein envisioned the fabric of space-time warped by mass and energy, forcing light rays to bend past the Sun. Possibly more radical was Feynman's dilemma of quantum particles taking all paths at once — setting the stage for the modern fields of quantum field theory and quantum computing. Yet as concepts of motion have evolved, one thing has remained constant, the need to track ever more complex changes and to capture their essence, to find patterns in the chaos as we try to predict and control our world.
