相关实验视频

Updated: Jul 9, 2025

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.1K

对用于室内应用的基于BPSK-SIM的VLC系统进行BER分析

L Bhargava Kumar, Ramavath Prasad Naik, Datta Choudhari

    Applied optics
    |December 1, 2023
    PubMed
    概括

    这项研究提高了可见光通信 (VLC) 使用继电器辅助系统与桌面灯. 新的二进制相位移键化-子载波强度调制 (BPSK-SIM) 技术实现了优越的比特错误率性能.

    更多相关视频

    Quasi-light Storage for Optical Data Packets07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    10.9K
    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis07:55

    High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

    Published on: September 22, 2017

    10.2K

    相关概念视频

    Design Example01:23

    Design Example

    The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
    331
    Transmission Line Design Considerations01:23

    Transmission Line Design Considerations

    Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
    138
    Differential Relays01:20

    Differential Relays

    Differential relays are used to protect generators, buses, and transformers by comparing electrical quantities at different points. When a fault occurs, the difference in current between the two points triggers the relay to operate, opening the circuit breaker. Under normal conditions, the current entering (i1) and leaving (i2) a generator are equal. When a fault occurs, however, these currents become unequal, and the difference current flows in the relay operating coil, causing the relay to...
    142
    Directional Relays01:25

    Directional Relays

    Directional relays, essential for managing unidirectional fault currents, enhance the safety and efficiency of power systems. On power lines equipped with directional relays, faults downstream (to the right) of the current transformer typically cause the fault current to lag the bus voltage by approximately 90 degrees, known as the forward direction. In contrast, upstream (left-side) faults may result in the fault current leading the bus voltage by nearly 90 degrees, termed the reverse...
    118
    Cable Subjected to a Distributed Load01:24

    Cable Subjected to a Distributed Load

    The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
    692
    Bewley Lattice Diagram01:12

    Bewley Lattice Diagram

    The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
    670