相关实验视频

Updated: Jun 15, 2026

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

8.0K

为集成的LiDAR应用程序提供连续启用超长脊波导电网格天线的局限状态

Zhipeng Ma, Yao Fu, Yuanjian Wan

    Optics express
    |November 22, 2024
    PubMed
    概括

    新型波导电网格天线 (WGA) 为固态光检测和距离测定 (LiDAR) 提供超清晰的视野. 这些设备有望提供高分辨率的LiDAR系统,可减少光束分歧.

    更多相关视频

    Implementation of a Reference Interferometer for Nanodetection16:11

    Implementation of a Reference Interferometer for Nanodetection

    Published on: April 26, 2014

    9.3K
    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities11:08

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

    Published on: November 30, 2012

    18.9K

    相关概念视频

    Application of Linearization and Approximation01:29

    Application of Linearization and Approximation

    A drone flying through complex terrain often relies on more than one sensing method to estimate small changes in altitude. Along with direct measurements, air pressure provides a useful indirect indicator of vertical movement. Atmospheric pressure decreases as altitude increases, and this relationship is commonly described using an exponential model. Although accurate, converting pressure measurements into altitude values requires calculations that are too complex to perform repeatedly during...
    Types of Global Positioning System Surveys01:30

    Types of Global Positioning System Surveys

    GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
    Field Application of Global Positioning System01:28

    Field Application of Global Positioning System

    The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
    Load-frequency control01:28

    Load-frequency control

    Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
    Energy Line and Hydraulic Gradient Line01:27

    Energy Line and Hydraulic Gradient Line

    Based on Bernoulli's equation, the energy line (EL) and hydraulic grade line (HGL) provide graphical representations of energy distribution in a fluid flow system. For steady, incompressible, inviscid flows, Bernoulli's equation is expressed as: