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Finite Difference Time Domain Method for Electromagnetics

The finite difference time domain (FDTD) approach is rapidly becoming one of the most widely used computational methods in electromagnetics. There are several reasons for this, including the increased availability of low cost but powerful computers, and increasing interest in electromagnetic interactions with complicated geometries, which include penetrable dielectric and/or magnetic materials. Just as important perhaps is the extreme simplicity of the method. The fundamentals of FDTD can be grasped easily by undergraduate students, more easily than traditional frequency-domain approaches to electromagnetics. Yet FDTD is capable of computing electromagnetic interactions for problem geometries that are extremely difficult to analyze by other methods. It is this combination of simplicity and power that makes FDTD such a popular method.

The Fabric of Cosmos

Space and time capture the imagination like no other scientific subject. For good reason. They form the arena of reality, the very fabric of the cosmos. Our entire existence-everything we do, think, and experiencetakes place in some region of space during some interval of time. Yet science is still struggling to understand what space and time actually are. Are they real physical entities or simply useful ideas? If they're real, are they fundamental, or do they emerge from more basic constituents? What does it mean for space to be empty? Does time have a beginning? Does it have an arrow, flowing inexorabiy from past to future, as common experience would indicate? Can we manipulate space and time? In this book, we follow three hundred years of passionate sc~entific investigation seeking answers, or at least glimpses of answers, to such basic but deep questions about the nature of the universe.

ЎЗБEКИCТOН РECПУБЛИКACИДA ДAВЛAТ МOЛИЯ ТИЗИМИНИ ИCЛOҲ ҚИЛИШНИНГ ИCТИҚБOЛЛИ ЙЎНAЛИШЛAРИ

Ўзбекистонда бюджет ва солиқ сиёсати соҳасида олиб борилаётган ислоҳотлар давлат бюджетининг очиқлиги ва шаффофлигини таъминлаш, бюджетни шакллантириш, қабул қилиш ва ижро этиш, унинг назоратини амалга ошириш ҳамда мониторингини юритиш, шунингдек, соҳага жаҳон стандартлари тизимларини жорий этиш, жамоатчиликни бюджет жараёнига жалб қилиш даражасини оширишга қаратилган. «Бюджет ҳисобидан маблағ ажратиладиган хар кандай дастур ёки лойиҳанинг сифат ва миқдор кўрсаткичларидан иборат, натижага йўналтирилган индикаторлари бўлиши керак».

THE EVOLUTION OF PHYSICS

It is difficult to begin by answering these questions clearly and convincingly. This would be much easier, though quite superfluous, at the end of the book. We find it simpler to say just what this book does not intend to be. We have not written a textbook of physics. Here is no systematic course in elementary physical facts and theories. Our intention was rather to sketch in broad outline the attempts of the human mind to find a connection between the world of ideas and the world of phenomena. We have tried to show the active forces which compel science to invent ideas corresponding to the reality of our world. But our representation had to be simple. Through the maze of facts and concepts we had to choose some highway which seemed to us most characteristic and significant. Facts and theories not reached by this road had to be omitted. We were forced, by our general aim, to make a definite choice of facts and ideas. The importance of a problem should not be judged by the number of pages devoted to it. Some essential lines of thought have been left out, not because they seemed to us unimportant, but because they do not lie along the road we have chosen.

Vienna Still a Just City?

This book explores and debates the urban transformations that have taken place in Vienna over the past 30 years and their consequences in policy fields such as labour and housing, political and social participation and the environ- ment.

ЎЗБЕК КАСБИЙ МУСИҚАСИДА НАЗИРА АНЪАНАЛАРИ

Миллий кадриятлар шиддат билан қайта тикланаётган бугунги кунда мустақил Ватанимизда аждодлардан мерос бўлиб келаётган ва ҳозирда яратилаётган мумтоз наволарни кенг тарғиб қилиш учун қулай фурсат юзага келди. Мақом ва мақом услубидаги асарларии энг илғор илмий методлар асосида тадқиқ қилиш ва олинган натижаларни амалиётга самарали жорий этишга қаратилган саъй-ҳаракатлар эса Ўзбекистон Республикасининг маданият ва санъат сохаларини ривожлантириш борасида алоҳида мавқеъ касб этади. "Агар биз санъатни, маданиятни кўтармоқчи бўлсак, аввало мумтоз мақом санъатини кўтаришимиз керак. Маком оханглари, мақом рухи ва фалсафаси ҳар бир инсон қалбидан, аввало, униб-ўсиб келаётган ёш авлодимизнинг онги ва юрагидан чуқур жой олиши учун бор имкониятларимизни сафарбар этишимиз зарур".

Judaism and Human Geography

Judaism is a religion that imposes a very long list of commandments on its adherents. It is not enough to believe in one God. Believers must accept religious guidelines that accompany them from the moment they are born until they die. Fathers must circumcise their sons when they are only eight days old, and are responsible for the child’s education.

The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory Brian Greene

During the last thirty years of his life, Albert Einstein sought relentlessly for a so-called unified field theory—a theory capable of describing nature's forces within a single, all-encompassing, coherent framework. Einstein was not motivated by the things we often associate with scientific undertakings, such as trying to explain this or that piece of experimental data. Instead, he was driven by a passionate belief that the deepest understanding of the universe would reveal its truest wonder: the simplicity and power of the principles on which it is based. Einstein wanted to illuminate the workings of the universe with a clarity never before achieved, allowing us all to stand in awe of its sheer beauty and elegance.

The Complete Book of Spaceflight

Abook of this size and scope isn’t a one-man enterprise. Dozens of individuals at space agencies, government laboratories, military bases, aerospace companies, and universities generously provided information and illustrations. At John Wiley, I’m particulary grateful to my editor, Jeff Golick, and to Marcia Samuels, senior managing editor, for their excellent suggestions and attention detail. Any mistakes and inaccuracies that remain are my responsibility alone. As always, my thanks go to my very special agent, Patricia van der Leun, for finding the book a home and providing support along the way. Finally and foremost, my love and gratitude go to my family—my parents, my wife, Jill, and my now-grownup children, LoriAn and Jeff—for making it all possible.

The Art Of Electronics

The transistor is our most important example of an "active" component, a device that can amplify, producing an output signal with more power in it than the input signal. The additional power comes from an external source of power (the power supply, to be exact). Note that voltage amplification isn't what matters, since, for example, a step-up transformer, a "passive" component just like a resistor or capacitor, has voltage gain but no power gain. Devices with power gain are distinguishable by their ability to make oscillators, by feeding some output signal back into the input. It is interesting to note that the property of power amplification seemed very important to the inventors of the transistor. Almost the 'first thing they did to convince themselves that they had really invented something was to power a loudspeaker from a transistor, observing that the output signal sounded louder than the input signal.

Буюк ва муқаддассан, мустақил Ватан

Ушбу илмий-оммабоп рисола Ўзбекистон Республикаси Президентининг 2011 йил 6 апрелдаги " Ўзбекистон Республикаси Давлвт мустақиллигининг йигирма йиллигини нишонлашга тайёргарлик кўриш ва уни ўтказиш тўғрисида" ги ПҚ-1516-сонли Қарорида баён этилган фикр ва ғояларни ватандошларимиз, ҳусусан ёш авлод қалби ва онгига сингдириш, аҳоли ўртасида мустақиллик шарофати билан амалга оширилган эзгу ишлар, сайи хароакатлар, ижтимоий-иқтисодий, ташкилий-хуқуқий, маънавий-маърифий соҳаларда эришилган ютуқларни тарғиб этишга қаратилган.

Инсон экологияси

Ушбу рисолада инсон тирикликнинг гултожи эканлиги, ҳар бир одам бир олам, бу ўтар дунё, инсоннинг эволюциядаги ўрни, оламда одамнинг пайдо бўлиши, ривожланиши, ақл-идроки, кўриш, эшитиш, фикрлаш, куч-қудрати, нафас олишни, модда алмашиниши, сабр-тоқати, инсоннинг руҳий дунёси, тириклиги, инсоннинг пайдо бўлишига оид фикрлар баён этилган.

Не могу остановиться: Откуда берутся навязчивые состояния и как от них избавиться

О навязчивых состояниях современный человек знает не понаслышке. Как часто мы буквально не можем остановиться, лихорадочно проверяя сообщения в смартфоне, пытаясь пройти уровень в видеоигре или покупая вещи, хотя их уже некуда девать. Но где грань между нормой и патологией, и главное, когда целеустремленность и одержимость — путь к творчеству и успеху, а когда — бесплодная и опасная трата усилий и времени? В книге автор рассказывает об истории изучения вопроса, о том, чем навязчивое поведение отличается от зависимости и как работает «компульсивный мозг».

Фрикомыслие. Нестандартные подходы к решению проблем

В современном мире выигрывает не тот, кто быстрее всех бежит или усерднее других работает. Побеждает тот, кто первым найдет нетривиальное решение какой-нибудь проблемы: жизненной или деловой. Эта книга – настоящая энциклопедия необычных решений, она обязательно настроит ваше мышление на новый, более продуктивный лад.

Сила эмоционального интеллекта. Как его развить для работы и жизни

Это книга для тех, кто намерен придерживаться своей цели. Для тех, кто ощущает в глубине души мудрость, тепло и способность идти дальше. Для тех, кто мечтает о большем и понимает, насколько важно развиваться, обретать новые знания, помогающие лучше владеть собой и выстраивать отношения с окружающими — будь то дома или на работе. Так, по существу, можно определить эмоциональный интеллект (ЭИ).

Латеральная логика. Головоломный путь к нестандартному мышлению

Эта книга — не просто сборник головоломок, а специально разработанная программа для развития ваших умственных способностей. Задания составлены так, чтобы помочь вам в развитии навыков латерального мышления. Это позволит высвободить творческие способности, о наличии которых вы и не подозревали!