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Start your reading journey today on DL4ALL.org and unlock a world of imagination, knowledge, and inspiration!  English | 2021 | ISBN: 1839531592 | 615 pages | True PDF | 66.9 MB This expanded, revised and updated new edition ofIntroduction to RF Stealthcovers two major topics: Low Observables and Low Probability of Intercept (LO and LPI) of radars and data links, collectively sometimes called Stealth. Each chapter includes examples, student exercises and references. Worked simulations are available that illustrate the techniques described. Chapter 1 provides an introduction and history of RF/microwave LPI/LO techniques and some basic LPI/LO equations, expanded from the first edition with more information on new and current systems, including more on infrared and hypersonic missile signatures. Chapter 2 is a new chapter, covering radiation absorbing materials and shaping, focused on materials, meta-materials and detailed platform shaping and structures including ships. Chapter 3 covers interceptability parameters and analysis with corrections, updates and simulations. Chapter 4 covers current and future intercept receivers and some of their limitations with more information and tracking techniques. Chapter 5 surveys exploitation of both the natural and the threat environment with extensive threat table updates including Russian S300, S400, S500 and more information on cellular systems. Chapter 6 deals with LPIS waveforms and pulse compression with new material and simulations of new codes. Chapter 7 introduces some hardware techniques associated with LO/LPIS low sidelobe / cross section antenna and radome design with emphasis on active electronic scan arrays. Chapter 8 is a new chapter on RCS testing of subsystems and platforms.  English | 2021 | ASIN : B0968RPGCV | 124 pages | PDF, AZW3, EPUB, MOBI | 2.11 MB What is Affiliate Marketing? Earn a great income with no overhead. This is the ultimate guide (in the new 2021 updated version) to earning a full-time income without leaving your house or having to order a shipment full of products.  English | 2021 | ASIN : B09CWSZ49V | 58 pages | PDF, AZW3, EPUB, MOBI | 1.46 MB Wе'vе gоt a lot tо соvеr, ѕо we'll keep this ѕhоrt: You want to build аn AR-15 frоm ѕсrаtсh. Yоu mіght have no іdеа where tо begin. Wе'rе gоіng tо teach уоu everything you nееd tо knоw! Thе rifle we're ріесіng together іn thіѕ guіdе is a tурісаl AR-15 with a 16" barrel, сhаmbеrеd іn 5.56/.223. Thаt'ѕ thе gоld standard for nеаrlу аll rіflеѕ (thе bеаutу іѕ, уоu саn сuѕtоmіzе later). First, we'll look at the rеlеvаnt gun laws аnd аnѕwеr ѕоmе ԛuеѕtіоnѕ уоu probably hаvе. Nеxt, wе'll explain еvеrу part уоu nееd to buіld уоur own AR-15 kіt, іnсludіng whісh parts аrе bеѕt fоr a well-rounded, аffоrdаblе rіflе. Lаѕtlу, wе'll gо оvеr the different tуреѕ of ARѕ аnd саlіbеrѕ уоu саn build (a rіflе, pistol, or a ѕhоrt-bаrrеlеd rіflе/SBR). Building a fаnсу, customized рrесіѕіоn sniper rifle іѕ ѕоmеthіng thаt саn bе dоnе by hand, but іt mіght tаkе ѕоmе tіmе аnd money. Fоr the mоrе frugаl bеgіnnеr who wants to сrеаtе their fіrѕt buіld оn a budget, I'vе gоt уоu covered.  English | 2021 | ASIN : B09CVBTD1W | 96 pages | PDF, AZW3, EPUB, MOBI | 1.98 MB The books in the Reading Chinese series provide you hundreds of frequently used similar looking and easily confused (形近字, Xíng jìn zì) common Chinese characters. For the simplicity of the readers, each volume in this series includes about 100 unique characters and nearly 500 explanatory words, phrases, and idioms. All the characters are explained with relevant words, phrases and idioms. Further, all the characters and their explanations are provided with pinyin, and English interpretations. ’s_Guide_To_Reading_Chinese_..rar[/url].html  English | 2021 | ASIN : B09CS13CS7 | 274 pages | PDF, AZW3, EPUB, MOBI | 2.93 MB According to estimates, it takes a dedicated student spending hours every day up to a year with a good teacher to gain proficiency in a language. This, of course, was before the advent of creative language learning tools like the ones in this book; you can now build a strong vocabulary (the base of any successful language skill building campaign) in a few weeks or a few months through a pattern of diligent exercise solving when you have time free from work, school, or household chores! It can take a long time to get really good at a new language as an adult. Of course, this long time can be significantly shortened if you adopt clever language learning methods; most experts estimate that you can cut many weeks from your language learning journey if you are completely engaged and mentally aware throughout.  English | 2021 | ASIN : B09CV5BHM5 | 40 pages | PDF, AZW3, EPUB, MOBI | 23.61 MB List of Physics formulas Physics is one such subject that is more about understanding subject matter rather than  Witch's Brew: Magickal Cocktails to Raise the Spirits by Shawn Engel English | August 17th, 2021 | ISBN: 145494286X | 144 pages | True EPUB | 9.95 MB Drink deliciously and magickally with this exquisite compendium of potent mystical beverages, with witchy wisdom from author Shawn Engel and expertly crafted cocktails from mixologist Steven Nichols.  What's the Use?: How Mathematics Shapes Everyday Life by Ian Stewart English | August 17th, 2021 | ISBN: 1541699483 | 336 pages | True EPUB | 8.67 MB See the world in a completely new way as an esteemed mathematician shows how math powers the world-from technology to health care and beyond.  Two-Way Mirror: The Life of Elizabeth Barrett Browning by Fiona Sampson English | August 17th, 2021 | ISBN: 1324002956 | 336 pages | True EPUB | 74.77 MB A "nuanced and insightful" (New Statesman) portrait of Britain's most famous female poet, a woman who invented herself and defied her times.  The Witchy Homestead: Spells, Rituals, and Remedies for Creating Magic at Home by Nikki Van De Car English | August 17th, 2021 | ISBN: 0762473762 | 144 pages | True EPUB | 60.09 MB From the bestselling author of Practical Magic comes an essential guide to cultivating magical self-sufficiency and enchanted resilience through spell work, gardening, herbal remedies, and more. |
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