Navigation: Teil C: Funkpeilwesen, Hyperbelnavigation, Radar, Integrierte Navigation, Physik, Datenverarbeitung
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Antenne und die Laufzeit des Signals von der Abstrahlung bis zur Wieder- aufnahme des Echoimpulses legen Peilung und Abstand des Objektes, von dem das Echo stammt, bezüglich des eigenen Schiffes fest. Zur Anzeige und zur Aus- wertung dient normalerweise eine Elektronenstrahlröhre. Dort wird mit jeder Abstrahlung eines Impulses von der Antenne die Ablenkung des Elektronenstrahls vom Zentrum des Bildes zum Rande gestartet. Die Auslenkung des Elektronen- strahls erfolgt proportional zur Echolaufzeit Ein ankommendes Echosignal wird an die Anzeigeröhre zur Steuerung der Intensität des Elektronenstrahls gelegt und erzeugt so auf dem Bildschirm einen Leuchtfleck, dessen Entfernung von der Bildmitte der Entfernung zum reflektierenden Objekt proportional ist. Die Aus- lenkrichtung des Elektronenstrahls läuft synchron mit der Abstrahlrichtung der Antenne um. Auf dem Bildschirm entsteht so ein Radarpanorama der Umgebung, bezogen auf das eigene Schiff. Mit Hilfe eingeblendeter, im Gerät erzeugter Entfernungsmarken (Entfernungs- ringe) lä t sich der Abstand eines Objektes bestimmen; zum Peilen dient eine Peilskala am Umfang des Bildes. Das Radarbild liefert eine Momentaufnahme der Umgebung. Die Bewegung von Objekten- z. B. Kurs und Fahrt anderer Schiff- kann aus der fortgesetzten Beobachtung der Echoanzeigen ermittelt werden. Die Identifizierung von Objekten aus der Radaranzeige ist schwieriger als bei opti- scher Betrachtung. Aktuelle technische Entwicklungen unterstützen die fortwährende Verfolgung von Echoanzeigen und ihre Auswertung. Die Ablage der vollständigen Radar- information in einem Speicher lä t darüber hinaus zu, die Erneuerungsrate des Bildes unabhängig vom Senderhythmus der Radaranlage zu machen. Diese Entwicklung führt zur Darstellung auf Videomonitoren.
• Author(s): Clear | James • Publisher: Penguin • Publisher Imprint: Penguin Random House • Subject: General Books
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View full details• Author(s): Chetan Bhagat • Publisher: HarperCollins Publishers India • Publisher Imprint: HarperCollins Publishers India • BISAC: GeneralFrom India's top-selling writer Chetan Bhagat comes a powerful new love story that will make you laugh, cry...
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View full details• Author(s): Acharya Prashant • Publisher: HarperCollins Publishers India • Publisher Imprint: HarperCollins Publishers India • BISAC: GeneralIn a world where vagueness is mistaken for depth and obscurity passes for wisdom, Truth without Apology ...
View full details• Author(s): Sudha Murthy • Publisher: India Puffin • Publisher Imprint: India Puffin • BISAC: Short StoriesWho can resist a good story, especially when it's being told by Grandma? From her bag emerges tales of kings and cheats, monkeys and mic...
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View full details• Author(s): Dan Brown • Publisher: Transworld Publishers Ltd • Publisher Imprint: Transworld Publishers Ltd • BISAC: Thrillers - EspionageDan Brown is the bestselling author of Digital Fortress, Deception Point, Angels and Demons, The Da Vinci C...
View full details• Author(s): Sudha Murty • Publisher: India Puffin • Publisher Imprint: India Puffin • BISAC: Action & Adventure - General
Rich Dad Poor Dad: What the Rich Teach Their Kids about Money That the Poor and Middle Class Do Not!
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• Author(s): Freida Mcfadden • Publisher: Penguin Select Print • Publisher Imprint: Penguin Select Publishing"Multi-Million Copy Bestselling Series •Now Being Made Into a Major Motion Picture Starring Sydney Sweeney and Amanda Seyfried #1 New Yor...
View full details• Author(s): Wonder House Books • Publisher: Wonder House Books • Publisher Imprint: Wonder House Books • BISAC: Comics & Graphic Novels - Fairy Tales, Folklore, Legends & MTimeless Wisdom, Talking Animals & Life Lessons for Young Min...
View full details• Author(s): Viktor E. Frankl • Publisher: Random House • Publisher Imprint: Random Hou • Subject: Medical, Nursing and Health Sciences
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View full details• Author(s): Vir Das • Publisher: HarperCollins Publishers India • Publisher Imprint: HarperCollins Publishers India • BISAC: Entertainment & Performing ArtsComedian and actor Vir Das is beloved (by some, tolerated by others, blocked by a few...
View full details• Author(s): Eric Carle • Publisher: Penguin Books, Limited (UK) • Publisher Imprint: Penguin Books, Limited (UK) • BISAC: Animals - Butterflies, Moths & CaterpillarsEric Carle's The Very Hungry Caterpillar is a perennial favourite with child...
View full details• Author(s): Prajakta Koli • Publisher: Harper Fiction India • Publisher Imprint: Harper Fiction India • BISAC: Romance - ContemporaryWinner of the Amazon India Popular Choice Debut Book 2025 Award. From one of India's most-loved creators comes s...
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