The Search for Christian Doppler

The Search for Christian Doppler

Author: Alec Eden

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 143

ISBN-13: 3709166772

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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.


Moving the Stars

Moving the Stars

Author: Peter Maria Schuster

Publisher: Living Edition, STARNA Ges.m.b.H.

Published: 2005

Total Pages: 236

ISBN-13: 9783901585050

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Stories of Stroke

Stories of Stroke

Author: Louis R. Caplan

Publisher: Cambridge University Press

Published: 2022-12-15

Total Pages: 671

ISBN-13: 1009035428

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Stroke is one of the most important and most feared conditions known to man. The threat of stroke is important to all people. What could be more devastating than to lose the ability to speak, move a limb, stand, talk, see, read, feel write or even think? This book brings together ideas, events and advances – the stories – before and during the 20th Century through the accounts of global experts in the field, many of them having been first-hand witnesses to progress. Focusing on selected stories of stroke, this book offers a readable summary of the most dramatic and extensive changes in knowledge about stroke and in caring for stroke patients. Of interest to anyone interested in neurosciences and for physicians caring for stroke patients, this book informs on moving forward, by looking to how we got to where we are.


Einstein in Bohemia

Einstein in Bohemia

Author: Michael D. Gordin

Publisher: Princeton University Press

Published: 2020-02-11

Total Pages: 360

ISBN-13: 0691199841

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A finely drawn portrait of Einstein's sixteen months in Prague In the spring of 1911, Albert Einstein moved with his wife and two sons to Prague, the capital of Bohemia, where he accepted a post as a professor of theoretical physics. Though he intended to make Prague his home, he lived there for just sixteen months, an interlude that his biographies typically dismiss as a brief and inconsequential episode. Einstein in Bohemia is a spellbinding portrait of the city that touched Einstein's life in unexpected ways—and of the gifted young scientist who left his mark on the science, literature, and politics of Prague. Michael Gordin's narrative is a masterfully crafted account of a person encountering a particular place at a specific moment in time. Despite being heir to almost a millennium of history, Einstein's Prague was a relatively marginal city within the sprawling Austro-Hungarian Empire. Yet Prague, its history, and its multifaceted culture changed the trajectories of Einstein's personal and scientific life. It was here that his marriage unraveled, where he first began thinking seriously about his Jewish identity, and where he embarked on the project of general relativity. Prague was also where he formed lasting friendships with novelist Max Brod, Zionist intellectual Hugo Bergmann, physicist Philipp Frank, and other important figures. Einstein in Bohemia sheds light on this transformative period of Einstein's life and career, and brings vividly to life a beguiling city in the last years of the Austro-Hungarian Empire.


Doppler Ultrasound in Obstetrics and Gynecology

Doppler Ultrasound in Obstetrics and Gynecology

Author: I. Zalud

Publisher: Springer Science & Business Media

Published: 2006-01-16

Total Pages: 625

ISBN-13: 3540289038

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Expanded and updated edition highlighting current standards and breakthroughs in the technology of Doppler ultrasound Includes latest advances in 3D and color doppler and 4D fetal echocardiography Includes more than 500 illustrations, including more than 150 in color


Doppler Ultrasound in Obstetrics and Gynecology

Doppler Ultrasound in Obstetrics and Gynecology

Author: Dev Maulik

Publisher: Springer Nature

Published: 2023-02-10

Total Pages: 641

ISBN-13: 3031061896

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Expanded and updated edition highlighting current standards and breakthroughs in the technology of Doppler ultrasound Includes latest advances in 3D and color doppler and 4D fetal echocardiography Includes more than 500 illustrations, including more than 150 in color


The Micro-Doppler Effect in Radar, Second Edition

The Micro-Doppler Effect in Radar, Second Edition

Author: Victor C. Chen

Publisher: Artech House

Published: 2019-02-28

Total Pages: 370

ISBN-13: 1630815489

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Written by a prominent expert in the field, this updated and expanded second edition of an Artech House classic includes the most recent breakthroughs in vital sign and gender recognition via micro-radar, as well as covering basic principles of Doppler effect and micro-Doppler effect and describing basic applications of micro-Doppler signatures in radar. The book presents detailed procedures about how to generate and analyze micro-Doppler signatures from radar signals. Readers will learn how to model and animate an object (such as human, spinning top, rotating rotor blades) with movement, simulation of radar returns from the object, and generating micro-Doppler signature. The book includes coverage of the Google project “Soli”, which demonstrated the use of radar micro-Doppler effect to sense and recognize micro motions of human hand gesture for controlling devices. It also discusses noncontact detection of human vital sign (micro motions of breathing and heart beating) using radar, another important application of radar micro-Doppler sensors. Detailed MATLAB source codes for simulation of radar backscattering from targets with various motions are provided, along with source codes for generating micro-Doppler signatures and analyzing characteristics of targets.


Galileo Unbound

Galileo Unbound

Author: David D. Nolte

Publisher: Oxford University Press

Published: 2018-07-12

Total Pages: 384

ISBN-13: 0192528505

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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.


The Micro-doppler Effect in Radar

The Micro-doppler Effect in Radar

Author: Victor C. Chen

Publisher: Artech House

Published: 2011

Total Pages: 309

ISBN-13: 1608070581

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The Doppler Effect can be thought of as the change in frequency of a wave for an observer moving relative to the source of the wave. In radar, it is used to measure the velocity of detected objects. This highly practical resource provides thorough working knowledge of the micro-Doppler effect in radar, including its principles, applications and implementation with MATLAB codes. The book presents code for simulating radar backscattering from targets with various motions, generating micro-Doppler signatures, and analyzing the characteristics of targets. In this title, professionals will find detailed descriptions of the physics and mathematics of the Doppler and micro-Doppler effect. The book provides a wide range of clear examples, including an oscillating pendulum, a spinning and precession heavy top, rotating rotor blades of a helicopter, rotating wind-turbine blades, a person walking with swinging arms and legs, a flying bird, and movements of quadruped animals.