為提高倒車的安全性，提出了一種基于SOPC 技術(shù)的車輛電子后視鏡系統(tǒng)，該系統(tǒng)具
有后視攝像、雙頻超聲波大范圍測距、語音播報(bào)測距結(jié)果等功能。對系統(tǒng)中各硬件模塊及其關(guān)鍵技術(shù)進(jìn)行了詳細(xì)的論述。
關(guān)鍵詞：電子后視鏡系統(tǒng)；測距；雙頻超聲波；OV6620
An Electronic Vehicle Rearview Mirror System Based on SOPC DU Xiao1,2 ，ZHANG Chongxiong1 (1. Nanjing University of Science and Technology，Nanjing 210094, China；
2. Yancheng Teachers College, Yancheng 224002，China) Abstract: This paper presents a design of an electronic vehicle rearview mirror system based on SOPC, which enhances the security of car backing. The system has several functions including back-sight camera, long-range double-frequency ultrasonic ranging, voice broadcast measuring result. The hardware modules and key technologies of the system are discussed in detail.
Keywords: electronic rearview mirror system; ranging; double-frequency ultrasonic; OV6620

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