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    EM4 is the first long-range digital LiDAR on the EM platform, marking the beginning of the "thousand-beam" era in automotive LiDAR technology. Incorporating RoboSense’s new digital architecture, crosstalk elimination, all-condition optical signal processing, and lossless data compression technologies, EM4 delivers groundbreaking performance with up to 1080 beams, a maximum detection range of 600m, and a point rate of 25.92 million points per second.

    With its ability to provide 1080P high-definition 3D perception, EM4 redefines the standards for intelligent vehicles, leading L3 and above autonomous driving technologies into a new era of development.

    1080-beam

    Max number of beams

    120°×27°

    FOV

    25.92 Million pts/s

    Point per second

    SPAD-SoC

    Digital architecture

    600m

    Longest ranging

    60%

    Data compression ratio

    1080-beam

    Max number of beams

    25.92 Million pts/s

    Point per second

    600m

    Longest ranging

    120°×27°

    FOV

    SPAD-SoC

    Digital architecture

    60%

    Data compression ratio
    600m Ultra-Long Range, Ultimate Safety
    As the digital automotive LiDAR with the longest detection range on the market, EM4 offers a 300m@10% ranging capability and a maximum range of 600m. This extends the response time of intelligent driving systems by up to 70%*, enabling more confident and precise decision-making. EM4 delivers unparalleled safety and comfort for users, redefining the driving experience.
    *Compared to a LiDAR with a maximum range of 200m, EM4 detects the same obstacle 400m earlier. Assuming the vehicle initiates its decision-making and response immediately upon detection, EM4 provides a √3≈1.732 times longer decision and response window, representing a 70% improvement.
    The World’s 1st "Thousand-Beam" LiDAR
    EM4 is the world’s first 1080-beam automotive LiDAR, delivering 1080P high-definition 3D perception for vehicles. With an outstanding angular resolution of up to 0.050°×0.025° and ultra-long-range detection capabilities, EM4 precisely identifies distant small objects such as tires, traffic cones, and cardboard boxes. It empowers intelligent driving systems to push safety boundaries beyond NHTSA active safety standards*, providing ultimate assurance for advanced intelligent driving and fully autonomous driving systems.
    *As per the U.S. Department of Transportation's National Highway Traffic Safety Administration (NHTSA), Federal Motor Vehicle Safety Standard (FMVSS No. 127), published on April 29, 2024, vehicles must automatically brake at 90 mph (145 km/h) to prevent collisions with the vehicle ahead and at 45 mph (72 km/h) upon detecting a pedestrian.
    Accurate Detection of Distant Objects
    Exclusive Technologies for All-Condition Mastery
    Powered by cutting-edge proprietary technologies, EM4 achieves comprehensive upgrades in high-reflection blooming suppression, noise reduction in rain, fog, and dust, as well as contamination resistance. These advancements enable autonomous driving systems to achieve clear and precise environmental perception in all scenarioses and conditions.
    • High-Reflection Blooming Suppression
      Using RoboSense’s innovative spatiotemporal mixed encoding patented technology, EM4 effectively suppresses point cloud blooming caused by high-reflectivity objects such as road signs, delivering sharper object contours and enhanced detail representation.
    • Resilient to Rain, Fog, and Dust
      EM4 integrates SPAD-SoC with the 1080-Core LEP (LiDAR Echo Processing) system and RoboSense’s proprietary "Large Echo Processing Model". This combination precisely identifies and marks echo features, significantly reducing noise caused by rain, fog, and dust.
      Huiyan AI Model: Trained on 1080-Core LEP filter parameters, continuously improving noise reduction capabilities.
    • Contamination Resistance
      Leveraging RoboSense’s proprietary optical design, EM4 maintains accurate detection even under challenging conditions such as mud, dirt, and condensation.
    New Architecture Leading to The Digital LiDAR Age
    EM4 adopts RoboSense’s new digital architecture and equipped with SPAD-SoC chip and VCSEL chip. This innovative design enables high-sensitivity digital detection, significantly simplifying signal processing and transmission pathways. The result is lossless information flow and the generation of high-quality point cloud outputs.
    Efficient Lossless Compression, Reduced Bandwidth Demand
    EM4 features advanced real-time lossless data compression technology, reducing data transmission from several gigabits per second to just a few hundred megabits, achieving a 60% compression rate. This significantly lowers bandwidth requirements while ensuring the seamless transmission of ultra-high-definition point cloud data. EM4 is fully compatible with the existing in-vehicle Ethernet systems of intelligent vehicles, no additional upgrade costs required.
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    Z6尊龙官网入口