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相關主題
商品描述
The largest high-tech companies and leading automobile manufacturers in the world have unleashed torrents of effort and capital to position themselves for the arrival of autonomous vehicles. What is the fuss about? What is at stake? What are the leading sensor technologies? What is meant by "flash lidar" or "time-of-flight" sensors? With no less than 40 - 50 lidar companies vying to create mainstream automotive sensors, the climate is unique for young scientists and engineers to enter the field. What are the alliances forming between the companies, and how are they shifting? Who are current incumbents in the field? This tutorial text aims to introduce a technical but nonspecialist reader to autonomous vehicle lidar, starting from the fundamental physics of lidar and motivation for its application to autonomous vehicle systems. We will then introduce time of flight design concepts, following the light pathway through the source and transmitter optics to the photodetector. Next two distinct timing methods will be introduced, followed up by a brief discussion of beam steering. After finishing this text, the reader should be prepared to enter into laboratory explorations on the topic.
商品描述(中文翻譯)
全球最大的高科技公司和領先的汽車製造商已經投入大量的努力和資本,以為自動駕駛車輛的到來做好準備。這到底是什麼熱潮?有什麼風險?目前主要的感測技術有哪些?什麼是「閃光雷達」(flash lidar)或「飛行時間」(time-of-flight)感測器?目前有不下於40到50家雷達公司競相開發主流汽車感測器,這為年輕的科學家和工程師進入這個領域創造了獨特的環境。這些公司之間正在形成什麼樣的聯盟,並且這些聯盟又是如何變化的?目前這個領域的主要參與者是誰?本教程旨在向技術但非專業的讀者介紹自動駕駛車輛的雷達技術,從雷達的基本物理學和其在自動駕駛系統中應用的動機開始。我們將介紹飛行時間設計概念,跟隨光源和發射器光學到光電探測器的光路。接下來將介紹兩種不同的計時方法,並簡要討論光束導向。在完成本文本後,讀者應該準備好進入該主題的實驗室探索。