The Noise Factor
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Immersion Into Noise
| Author | : Joseph Nechvatal |
| Publisher | : |
| Total Pages | : 270 |
| Release | : 2020-10-09 |
| Genre | : Computers |
| ISBN | : 9781013284090 |
Joseph Nechvatal's Immersion Into Noise investigates multiple aspects of cultural noise by applying our audio understanding of noise to the visual, architectual and cognative domains. The author takes the reader through phenomenal aspects of the art of noise into algorithmic and network contexts, beginning in the Abside of the Grotte de Lascaux. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Noise Factor
| Author | : |
| Publisher | : |
| Total Pages | : 26 |
| Release | : 1983 |
| Genre | : |
| ISBN | : |
The receiver noise factor (noise figure) is the ratio of input signal-to-noise power ratio at the antenna terminals to the signal-to-noise power ratio at the output terminals of the receiver, when the input termination is at room temperature (290K). The average noise factor over the frequency range of interest for the particular case of AM and FM surveillance receivers is a measure of the amount of noise power added to a signal by the receiver, thereby degrading signal quality. The noise factor is usually expressed in decibels, it is commonly referred to as the noise figure. Five methods of measurement are given, and the method used will depend upon the test equipment available, the desired accuracy, and the time available to devote to the measurement. Noise figure is usually measured only for the linear parts of the receiver that precede the demodulator. For CW and AM receivers, this includes the RF and IF stages up to the second detector. For FM receiver this includes the RF and IF stages up to the first limiter stage. For receivers with a linear demodulator, such as a product detector, noise figure may be measured for the entire receiver from the antenna input terminals to the audio output terminals.
Noise Performance Factors in Communication Systems
| Author | : William Walden Mumford |
| Publisher | : |
| Total Pages | : 104 |
| Release | : 1968 |
| Genre | : Technology & Engineering |
| ISBN | : |
Technical Manual
| Author | : United States. War Department |
| Publisher | : |
| Total Pages | : 276 |
| Release | : 1959 |
| Genre | : |
| ISBN | : |
How does MRI work?
| Author | : Dominik Weishaupt |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 172 |
| Release | : 2008-02-01 |
| Genre | : Medical |
| ISBN | : 3540378456 |
A succinct introduction to the physics and function of magnetic resonance imaging with an emphasis on practical information. This thoroughly revised second edition is clearly structured. The underlying physical principles of the MR experiment are described and the basic pulse sequences commonly used in clinical MRI. It progresses to more advanced techniques such as parallel imaging and cardiovascular MR imaging. An extensive glossary offers rapid access to MRI terminology and will help those seeking to understand this interesting fascinating subject.
Fundamentals of Microwave and RF Design
| Author | : Michael Steer |
| Publisher | : NC State University |
| Total Pages | : 244 |
| Release | : 2019-09 |
| Genre | : |
| ISBN | : 9781469656885 |
Fundamentals of Microwave and RF Design enables mastery of the essential concepts required to cross the barriers to a successful career in microwave and RF design. Extensive treatment of scattering parameters, that naturally describe power flow, and of Smith-chart-based design procedures prepare the student for success. The emphasis is on design at the module level and on covering the whole range of microwave functions available. The orientation is towards using microstrip transmission line technologies and on gaining essential mathematical, graphical and design skills for module design proficiency. This book is derived from a multi volume comprehensive book series, Microwave and RF Design, Volumes 1-5, with the emphasis in this book being on presenting the fundamental materials required to gain entry to RF and microwave design. This book closely parallels the companion series that can be consulted for in-depth analysis with referencing of the book series being familiar and welcoming. Key Features * A companion volume to a comprehensive series on microwave and RF design * Open access ebook editions are hosted by NC State University Libraries at https://repository.lib.ncsu.edu/handle/1840.20/36776 * 59 worked examples * An average of 24 exercises per chapter * Answers to selected exercises * Emphasis on module-level design using microstrip technologies * Extensive treatment of design using Smith charts * A parallel companion book series provides a detailed reference resource
The Technician's Radio Receiver Handbook
| Author | : Joseph Carr |
| Publisher | : Elsevier |
| Total Pages | : 321 |
| Release | : 2001-02-14 |
| Genre | : Technology & Engineering |
| ISBN | : 0080518591 |
The Technician's Radio Receiver Handbook is an invaluable tool for anyone involved in the technologies of wireless, cellular telephone, telecommunications, avionics, and other forms of electronic communication using radio waves. The market demand for and use of wireless and telecommunication technology has increased dramatically over the past decade, leaving many technicians and other communications professionals with the need for accurate information on how the newest equipment works and how to fix any problems that arise. Joe Carr, a notable author in the amateur radio and communications markets, explains both the new and old technologies, the science behind the scenes, as well as troubleshooting techniques not found in any other book. The book will also have a companion website including helpful calculation software, customizable spreadsheets, and much more. Written for technicians and hands-on practitioners in clear, easy-to-read text with many detailed illustrations Contains information on cutting-edge receiver equipment as well as the most popular types used today in a variety of markets Destined to be a constant reference and superb training guide for anyone interested in communications technology
Radio Frequency System Architecture and Design
| Author | : John W. M. Rogers |
| Publisher | : Artech House |
| Total Pages | : 315 |
| Release | : 2013-10-01 |
| Genre | : Technology & Engineering |
| ISBN | : 1608075370 |
Communication devices such as smart phones, GPS systems, and Bluetooth, are now part of our daily lives more than ever before. As our communication equipment becomes more sophisticated, so do the radios and other hardware required to enable that technology. Common radio architectures are required to make this technology work seamlessly. This resource describes practical aspects of radio frequency communications systems design, bridging the gap between system-level design considerations and circuit-level design specifications. Industry experts not only provide detailed calculations and theory to determine block level specifications, but also discuss basic theory and operational concepts. This resource also includes extensive, up-to-date application examples.
