Category: Ebook

17 – Radio-Frequency Communications Principles

General:

Name: 17 – Radio-Frequency Communications Principles
Format: pdf
Size: 5.61 MB

Book:

Title: “Propagacja fal radiowych w łączności satelitarnej. Radiowaves propagation in satellite communications systems”
Author: Jacek Wilk-Jakubowski
Language: polski
Year: 2018
Subjects: N/A
Publisher: Wydawnictwo: Wydawnictwo Politechniki Świętokrzyskiej w Kielcach
ISBN: 9788365719294
Total pages: 201

Description:

This monograph discusses the different effects contributing to the overall loss of signal propagation along Earth-space paths and suggests ways to improve the design of communication systems.
The work begins with a brief overview of the theoretical aspects of the use of the geostationary orbit for microwaves propagation.
The chapter two is concerned with the propagation of microwaves in the troposphere. The discussion includes signal attenuation due to precipitation, clouds, fog, and atmospheric gases, an increase in noise and total signal degradation due to precipitation, emission noise from absorbing media (radio noise increase),and signal depolarization by raindrops. This type of radiation covers a spectrum wider than the microwave spectrum.
Chapter three analyses atmospheric attenuation. In practice, statistical description is one of satisfactory way to present the results of modelling of satellite links in undesired weather conditions in the area of Kielce. Because of the description was based on assumptions and actual data, those assumptions were verifiable and based on strong statistical evidence supporting them in the long-term perspective in Kielce (40 years in this case). Thanks to this approach, it was able to compare data provided by ITU-R or ESA with real-time data (e.g. rain attenuation as a function of the rain rate). Moreover, this chapter presents the application of polynomial regressions to simply illustrate the influence of rainfall on the signal attenuation. Each datum was processed using a bilinear interpolation to achieve an improved evaluation from the adjacent grids for a selected region in Poland. These estimates may be used by satellite systems engineers to calculate the link budget analyses.
The monograph also deals with propagation concerns for satellite communications systems. The rainfall has a considerable influence on the quality of microwaves signals in the satellite communications systems, especially due to absorption and reflection, as hydrometeors act as a strong source of noise. All of data were used to identify the impact of rain intensity, polarization and radio waves frequency on the microwave satellite signal quality. The research results presented in the monograph can be useful to satellite engineers to improve the design and performance of satellite communication links, or to minimize the interruption or total lack of communication between the terminal and the satellite.

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13 – Intro to Number Systems and Logic Circuits

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Name: 13 – Intro to Number Systems and Logic Circuits
Format: pdf
Size: 1.15 MB

Book:

Title: A Little Bit of Angel Numbers: An Introduction to Messages from the Universe
Author: Novalee Wilder
Language: angielski
Year: 2023
Subjects: N/A
Publisher: Wydawnictwo: Sterling Ethos
ISBN: 9781454952596
Total pages: 218

Description:

Have you ever randomly looked at the clock and noted that it was 11:11? Then congratulations: you’ve received a message from the universe. Angel numbers, repeating numerical sequences with mystical significance tied to numerology, are a spiritual concept that is experiencing a surge of popularity. Tied into synchronicity and manifestation, angel numbers can provide a path through chaotic times, and Little Bit of Numerology author Novalee Wilder is back with another beginner-friendly guide to deciphering these cryptic spiritual codes.

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12 – Modulation Principles

General:

Name: 12 – Modulation Principles
Format: pdf
Size: 1.66 MB

Book:

Title: Balancing Coupling in Software Design: Universal Design Principles for Architecting Modular Software Systems
Author: Vlad Khononov
Language: angielski
Year: 2024
Subjects: N/A
Publisher: Wydawnictwo: Addison-Wesley Professional
ISBN: 9780137353514
Total pages: 230

Description:

In this definitive guide, Vlad Khononov introduces a novel approach to designing modular software systems that turns coupling into a powerful design tool.

Software, like all systems, is composed of components that interact to form the system itself. Coupling is the metric used to represent the interdependence between connected components, and the magnitude of coupling ultimately affects the adaptability and success of the software system. Balancing Coupling in Software Design surveys existing methods of evaluating coupling and combines them into a comprehensive model for making design decisions that manage complexity while increasing the modularity of your software system.

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11 Steps to Survival – Canada Emergency Measurses Organization

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Name: 11 Steps to Survival – Canada Emergency Measurses Organization
Format: pdf
Size: 929.36 KB

Book:

Title: Emergency Sex (and Other Desperate Measures)
Author: Kenneth Cain, Heidi Postlewait&nbspi inni , Andrew Thompsonzwiń
Language: angielski
Year: 2006
Subjects: N/A
Publisher: Wydawnictwo: Ebury Press
ISBN: 9780091908867
Total pages: 25

Description:

It’s the early 1990s and three young people are looking to change their lives, and perhaps also the world. Attracted to the ambitious global peacekeeping work of the UN, Andrew, Ken and Heidi’s paths cross in Cambodia, from where their fates are to become inextricably bound. Over the coming years, their stories interweave through countries such as Rwanda, Bosnia, Somalia and Haiti – war-torn, lawless places where the intervention of the UN is needed like nowhere else. Driven by idealism, the three struggle to do the best they can, caught up in an increasingly tangled web of bureaucracy and ineffectual leadership. As disillusionment sets in, they attempt to keep hold of their humanity through black humour, revelry and ’emergency sex’. Brutal and moving in equal measure, Emergency Sex (And Other Desperate Measures) explores pressing global issues while never losing a sense of the personal. Deeply critical of the West’s indifference to developing countries and the UN’s repeated failure to intervene decisively, the book provoked massive controversy on its initial publication. Kofi Annan called for the book to be banned, and debate was sparked about the future direction of the UN. Brilliantly written and mordantly funny, it is a book that continues to make waves.

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11 – Microwave Principles

General:

Name: 11 – Microwave Principles
Format: pdf
Size: 4.29 MB

Book:

Title: Principles of Microeconomics 2/e
Author: Mankiw
Language: polski
Year: N/A
Subjects: N/A
Publisher: Wydawnictwo: Dryden Press
ISBN: N/A
Total pages: 192

Description:

In writing this textbook, Mankiw tried to put himself in the position of someone coming to microeconomics for the first time. His plan worked. Receiving such applause as the most talked about economics text of our time and a long overdue accessible introduction to modern economics it is no wonder that Mankiw s prize project has quickly become one of the most successful books ever to publish in the college marketplace. The author s conversational writing style is superb for presenting the pol

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10 – Intro to Wave Propagation, Transmission Lines, and Antennas

General:

Name: 10 – Intro to Wave Propagation, Transmission Lines, and Antennas
Format: pdf
Size: 2.41 MB

Book:

Title: Introduction to Linear Algebra
Author: Gilbert Strang
Language: angielski
Year: 2016
Subjects: N/A
Publisher: Wydawnictwo: Cambridge University Press
ISBN: N/A
Total pages: 276

Description:

Undergraduate mathematics textbooks are not what they used to be, and Gilbert Strang’s superb new edition of Introduction to Linear Algebra is an example of everything that a modern textbook could possibly be, and more.
First, let us consider the book itself. As with his classic Linear Algebra and its Applications (Academic Press) from forty years ago, Strang’s new edition of Introduction to Linear Algebra keeps one eye on the theory, the other on applications, and has thestated goal of "opening linear algebra to the world" (Preface, page x).Aimed at the serious undergraduate student – though not just thoseundergraduates who fill the lecture halls of MIT, Strang’s homeinstitution – the writing is engaging and personal, and the presentation is exceptionally clear and informative (even seasoned instructors maybenefit from Strang’s insights). The first six chapters offer atraditional first course that covers vector algebra and geometry,systems of linear equations, vector spaces and subspaces, orthogonality, determinants, and eigenvalues and eigenvectors. The next three chapters are devoted to the singular value decomposition, lineartransformations, and complex numbers and complex matrices, followed bychapters that address a wide range of contemporary applications andcomputational issues. The book concludes with a brief but cogenttreatment of linear statistical analysis.
I would like to stress that there is arichness to the material that goes beyond most texts at this level.Included are guides to websites and to OpenCourseWare, which I shallcomment upon later in this review. The final page lists "Six GreatTheorems of Linear Algebra." Chapter 7 begins with an informativeaccount of image compression, and would be wonderful material for an undergraduate student to present in a seminar to other students.

Strang’s experience at writing and teachinglinear algebra is apparent in the layout of the typeset. Offset in bluetype are topic-specific headings that indicate what is contained in thecontent of the text to follow. For example, on page 5, after developingmaterial on linear combinations of vectors, we find the heading "TheImportant Questions." On page 149, after studying the null space, thereis a subsection with the heading "Elimination: The Big Picture." Eachsection contains the headings "Review of the Key Ideas," "WorkedExamples," "Problems," and "Challenge Problems." These sections areessential reading for the instructor, not just the student. The WorkedExamples include material such as the Gershgorin Circle Theorem, whilethe Problems and Challenge Problems offer the student a chance to master basic ideas and to think much more mathematically about the conceptsunder study. For example, Problem 29 of Chapter 6 asks for thecomputation of the eigenvalues of three matrices (not just genericmatrices, but matrices with structure and, thus, a chance to learnsomething about how the features of the matrix influence theeigenvalues),while Problem 39 of the same chapter asks for the possible values of the determinants, traces, and eigenvalues of the six 3 X 3permutation matrices. There is nothing here that can be said to be dry,uninteresting, or irrelevant; rarely does an undergraduate mathematicstext feel so alive as this one.

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09 – Intro to Wave-Generation and Wave-Shaping Circuits

General:

Name: 09 – Intro to Wave-Generation and Wave-Shaping Circuits
Format: pdf
Size: 1.81 MB

Book:

Title: Star Trek: The Next Generation: Shadows Have Offended
Author: Cassandra Rose Clarke
Language: angielski
Year: 2021
Subjects: N/A
Publisher: Wydawnictwo: Simon & Schuster
ISBN: N/A
Total pages: 275

Description:

An original novel based on the acclaimed Star Trek TV series!

The USS Enterprise has been granted the simple but unavoidable honor of ferrying key guests to Betazed for a cultural ceremony. En route, sudden tragedy strikes a Federation science station on the isolated planet Kota, and Captain Jean-Luc Picard has no qualms sending William Riker, Data, and Chief Medical Officer Beverly Crusher to investigate. But what begins as routine assignments for the two parties soon descends into chaos: Picard, Worf, and Deanna Troi must grapple with a dangerous diplomatic crisis as historic artifacts are stolen in the middle of a high-profile ceremony.while nothing is as it seems on Kota. A mounting medical emergency coupled with the science station’s failing technology-and no hope of rescue-has Doctor Crusher racing against time to solve a disturbing mystery threatening the lives of all her colleagues

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08 – Intro to Amplifiers

General:

Name: 08 – Intro to Amplifiers
Format: pdf
Size: 1.19 MB

Book:

Title: Amplified
Author: Alexia Purdy
Language: angielski
Year: 2013
Subjects: N/A
Publisher: Wydawnictwo: Lyrical Lit. Publishing
ISBN: N/A
Total pages: 186

Description:

In the aftermath of the end of her world, April Tate decides that it’s high time to leave the city that never sleeps, Las Vegas. After learning the origins of the Zompire Plague, she risks her life to steal the antidote, makes the decision to separate from Jeremy for a while, and joins a small band of new and old comrades on a trip to the Pacific Coast. There they search out a legendary hive of Zompires who are more than just wild, blood drinking creatures.

On a mission to save the last of humanity, April will use the antidote to save some from eternal damnation, but will her decision bring hope for the future or create an ever bigger, unforeseen devastation?

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07 The Sheet Metal Brake – Metal Working Shop From Scrap

General:

Name: 07 The Sheet Metal Brake – Metal Working Shop From Scrap
Format: pdf
Size: 2.39 MB

Book:

Title: Heavy Metal. The Hard Days and Nights of the Shipyard Workers Who Build America’s Supercarriers
Author: Michael Fabey
Language: angielski
Year: 2022
Subjects: N/A
Publisher: Wydawnictwo: HarperCollins
ISBN: 9780062996251
Total pages: 52

Description:

An extraordinary story of American can-do, an inside look at the building of the most dangerous aircraft carrier in the world, the John F. Kennedy.

Tip the Empire State Building onto its side and you’ll have a sense of the length of the United States Navy’s newest aircraft carrier, the most powerful in the world: the USS John F. Kennedy. Weighing 100,000 tons, Kennedy features the most futuristic technology ever put to sea, making it the most agile and lethal global weapon of war.

Only one place possesses the brawn, brains and brass to transform naval warfare with such a creation – the Newport News Shipbuilding yard in Virginia and its 30,000 employees and shipyard workers. This is their story, the riggers, fitters, welders, electricians, machinists and other steelworkers who built the next-generation aircraft carrier.

Heavy Metal puts us on the waterfront and into the lives of these men and women as they battle layoffs, the elements, impossible deadlines, extraordinary pressure, workplace dangers and a pandemic to complete a ship that will be essential to protect America’s way of life.

The city of Newport News owes its very existence to the company that bears its name. The shipyard dominates the town-physically, politically, financially, socially, and culturally. Thanks to the yard, the city grew from a backwater to be the home of the premier naval contractor in the United States.

Heavy Metal captures an indelible moment in the history of a shipyard, a city, and a country.

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06 Dividing Head and Accessories – Metal Working Shop From Scrap

General:

Name: 06 Dividing Head and Accessories – Metal Working Shop From Scrap
Format: pdf
Size: 56.43 MB

Book:

Title: Patterns of Fashion 4: The Cut and Construction of Linen Shirts, Smocks, Neckwear, Headwear and Accessories for Men and Women C. 1540-1660
Author: Janet Arnold
Language: angielski
Year: 2008
Subjects: N/A
Publisher: Wydawnictwo: Costume & Fashion Press
ISBN: 978-0896762626
Total pages: 159

Description:

No one interested in the history of dress, from art historians to stage designers, from museum curators to teachers of fashion and costume, can function effectively without Janet Arnold’s "Patterns of Fashion" series. Since her untimely death in 1998, admirers of her work have been waiting, with increasing impatience, for the promised volume devoted to the linen clothes of the Elizabethan and early Stuart periods, a companion to her previous volume on tailored clothes of the same era. Planned and partly prepared by Janet herself, and completed by Jenny Tiramani, Janet’s last pupil, no other book exists that is dedicated to the linen clothes that covered the body from the skin outwards. It contains full colour portraits and photographs of details of garments in the explanatory section, as well as patterns for 86 items of linen clothing, which range from men’s shirts and women’s smocks, from superb ruffs and collars to boot hose and children’s stomachers. Beautifully produced, it is an invaluable guide to both the history and the recreation of these wonderful garments. There are 178 black and white illustrations and photographs, 86 patterns and detail, 433 color photographs.

"Patterns of Fashion 4 includes abundant examples of paintings and extant garments photographed and reproduced in extremely high quality color. Patterns are basically 1/8 = 1" scale, very clearly drawn and accompanied by extensive written detail.

All the books in the Patterns of Fashion series provide excellent research. Studying their text and patterns will only enrich one’s understanding of historical clothing construction."

– Myra Bullington Theatre Design & Technology

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