This book provides a systematic study of the fundamental theory and methods of beamforming with differential microphone arrays (DMAs), or differential beamforming in short. It begins with a brief overview of differential beamforming and some popularly used DMA beampatterns such as the dipole, cardioid, hypercardioid, and supercardioid, before providing essential background knowledge on orthogonal functions and orthogonal polynomials, which form the basis of differential beamforming.

"Mächtige Kräfte haben am Wandrand gewütet. Die Bäume wiegen nicht länger ihre Kronen im Wind, sondern liegen umgefallen am Wegrand. Alle Vögel haben ihre Nester verloren, die Eichhörnchen ihre Kobel. Die meisten Tiere sind fort." Pan Birkenmaus ist der Birkendoktor. Eigentlich könnte er rundum zufrieden mit seinem Leben im Wald sein. Wenn da nicht dieser eine Traum wäre. Der Traum vom Fliegen! Pan beschließt, sich Flügel anzufertigen. Noch ahnt er nicht, dass damit ein Wettrennen gegen di...

Algae are sunlight-driven cell factories, and can efficiently absorb CO2 and convert light energy to chemical energy such as lipid, starch and other carbohydrates and release O2. Algal feedstock is a promising resource for bioproduct production, given its high photosynthetic efficiency for producing biomass compared to conventional crops. Microalgae can be used for flue-gas and wastewater bioremediation. This book highlights recent breakthroughs in the multidisciplinary areas of algal biot...

Kitten Hunt was previously published as Kitten Kaboodle.All my life I have only ever wanted one thing - a pet of my very own. But Dad's so grumpy he won't even let me have a goldfish. Luckily I've come up with a cunning plan - to start a SECRET pet-sitting business. I'm hoping that then I might get to look after that super-cute black and white kitten from across the road . . .The first heart-warmingly funny adventure in the Kitten Chaos se...

Kitten Wars was previously published as Kitten Smitten.When I first got my very own kitten, Jaffa, I thought life was going to be AMAZING! But she keeps going missing and I am convinced that the annoyingly purr-fect new neighbours are to blame . . . How can I convince Jaffa that her real home is with ME?The second heart-warmingly funny adventure in the Kitten Chaos series

Sunita and Mukesh are friends. He's cynical, from Calcutta, cocky and well-read. She's clever, curious and amused by him. It's the 1960s, Delhi University. Fashionable movies play at the art deco cinemas, Nehruvian poshness is stylish, The Beatles are the rage. They meet over a quotation game involving William Shakespeare and whisky. They both realise there's something special here. They have burning questions, as young people do, about things literary, philosophical, existential, romantic...

Mein Zauberlehrer Axel Büdenbender ist eine schillernde Persönlichkeit: Magier, Alkoholiker, Drogen-Forscher, Polytoxikomane, Naturfreund, Mitglied einer Chaos-WG, Schönling, Hippie, Skinhead, Tabletten-Süchtiger, Pfleger in der Nervenklinik und auch Patient in derselben, Krieger, Abenteurer, Charmeur, Casanova, Schauspieler, Puppenspieler, Mitglied einer Straßentheater-Horrorshow, Künstler, Kartenleger, Sketch-Dicher, ewiger Zweifler, Pfleger im Altenheim, Kellner in einem Militär-Kranken...

Scavenger: Chaos Zone is the second book in the thrilling sci-fi adventure series from the team behind the Edge Chronicles, Paul Stewart and Chris Riddell. For ages nine and up.After their fierce battle with the zoids, fourteen year-old York and his robotic friend Belle must journey down to the next level of the Biosphere, where all the plants and animals for the journey from Earth were kept . . .Since the zoid uprising, this level has become a dea...

Help! My kitten, Jaffa, has changed overnight from purr-fect pet to ferocious furball. Something's scaring her and I've got to find out what before we have a CAT-ASTROPHE! Thank goodness Jazz and Fergus are here to lend a hand . . .The third heart-warmingly funny adventure in the Kitten Chaos series

'South Africa and its fraught political economy provide a fascinating case study into how it takes a particular brand of genius to thrive in a difficult domestic environment and to take the ideas and the businesses that deliver them from local to global. Genius tells the stories of some of the extraordinary individuals, companies and industries whose ideas, products and raw materials solve problems and add value across the globe.Greatness comes from acting on purpose, and there is ...

Embrace uncertainty, seize opportunities, and thrive with the mindset of billionaires and start-up mavericks.In a world shaped by Covid-19, fake news, manipulated information feeds, and divisive social-media agendas, it's easy to believe that our time is the most challenging in human history. It's just not true.This is a time of extraordinary opportunity, but only if you have the right mindset. Fear of the future breeds inaction and strategic paralysis. Pro...

South Africa and its fraught political economy provide a fascinating case study into how it takes a particular brand of genius to thrive in a difficult domestic environment and to take the ideas and the businesses that deliver them from local to global.Genius tells the stories of some of the extraordinary individuals, companies and industries whose ideas, products and raw materials solve problems and add value across the globe. Greatness comes from acting on purpose, and t...