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A User's Guide To The View Camera
This reissued third edition of A User's Guide to View Camera introduces photographers to large-format cameras, covering their use with both film and digital capture. Readers will learn the anatomy of cameras with a separately adjustable back or front, the proper techniques for using view cameras, and how to take care of large-format cameras-all through straightforward and practical instruction and abundant visual examples. This latest edition features:
Practical approaches to mastering lenses, shutters, accessories, and the ever-important maintenance of your view camera
Tips for both simple operation and advanced control of the camera, including film holders, bellows, and tripods, and film handling and development
A section on digital equipment, offering updates on the nearly 200-year-long history of the view camera
Digital Controller Implementation And Fragility
In the usual process of control system design, the assumption is made that the controller is implemented exactly. This assumption is usually reasonable, since clearly, the plant uncertainty is the most significant source of uncertainty in the control system, while controllers are implemented with high-precision hardware. However, inevitably, there will be some amount of uncertainty in the controller, a fact that is largely ignored in existing modern advanced robust control techniques. If the controller is implemented by analogue means, there are some tolerances in the analogue components. More commonly, the controller will be implemented digitally, and consequently there will be uncertainty involved with the quantization in the analogue-digital conversion and rounding in the parameter representation and in the numerical computations. A failure to account for these uncertainties in the controller may result in a controller that is "fragile." A controller is fragile in the sense that very small perturbations in the coefficients of the designed controller destabilize the closed-loop control system.
This book collects a number of articles which consider the problems of finite-precision computing in digital controllers and filters. Written by leading researchers, topics that the book covers include:
- analysis of fragility and finite-precision effects;
- design of optimal controller realizations;
- design of non-fragile robust controllers;
- design of low-complexity digital controllers;
- analysis of quantization effects in fuzzy controllers.
The Camera Never Lies
A glamorous and revealing tale of love and betrayal behind the scenes from the popular Strictly Come Dancing presenter, Tess Daly.
Britt Baxter is a twenty-something model on the verge of landing a campaign that will make her career. But when things don't go to plan her dreams of seeing her face onbillboards are shattered, and she is forced to pick up the pieces and start again.
As Britt faces an unpredictable future, she is spotted by a television executive in the most unlikely of places. She is offered the job of a lifetime as a fashion reporter on the nation's favourite breakfast television programme, Rise and Shine. Invited to all the parties, the press and the public can't get enough of her. Britt is 'the next big thing'.
But then a story breaks that leaves Britt feeling betrayed and she no longer knows who she can trust and she soon discovers that the drama behind the scenes far eclipses anything that goes on in front of the camera.
About the Author
Tess Daly was born in Stockport. Throughout the nineties, she worked as a model and in 2000 she made her first appearance as a television presenter on The Big Breakfast. She is the co-host of Children in Need and presents the award-winning Strictly Come Dancing. She is married with two daughters.
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