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相关概念视频

PI Controller: Design01:24

PI Controller: Design

284
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
284
Clamper Circuit01:14

Clamper Circuit

433
A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
433
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

63
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense  for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
63
PD Controller: Design01:26

PD Controller: Design

240
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
240

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相关实验视频

Updated: Jul 9, 2025

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一种灵活的芯片上系统可编程的门阵列架构,用于原型化实验性全球导航卫星系统接收器.

Marc Majoral1, Carles Fernández-Prades1, Javier Arribas1

  • 1Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Parc Mediterrani de la Tecnologia-Building B4, Av. Carl Friedrich Gauss 7, 08860 Castelldefels, Spain.

Sensors (Basel, Switzerland)
|December 9, 2023
PubMed
概括

研究人员开发了一种低成本的System-on-Chip Field-Programmable Gate Array (SoC-FPGA) 架构,用于快速原型化全球导航卫星系统 (GNSS) 接收器. 这种灵活的设计允许使用实时信号测试新的GNSS功能.

关键词:
在FPGA中,FPGA是指FPGA.在GNSS中使用GNSS.这就是 SoC-FPGA.系统在芯片上的系统软件定义无线电 软件定义无线电

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科学领域:

  • 电气工程 电气工程
  • 计算机工程 计算机工程
  • 航空航天工程 航空航天工程

背景情况:

  • 全球导航卫星系统 (GNSS) 技术正在迅速发展,需要敏捷的研发工具.
  • 越来越复杂的GNSS集成电路 (IC) 限制了研究人员修改或检查接收器内部的能力.
  • 现有的原型制造方法可能缺乏尖端GNSS研究所需的灵活性或效率.

研究的目的:

  • 为实验性GNSS接收器原型设计设计和展示一个低成本的System-on-Chip Field-Programmable Gate Array (SoC-FPGA) 架构.
  • 为了使紧的,便携式的,多通道的,多星座的GNSS接收器的发展.
  • 为使用实时信号测试新型和非标准GNSS功能提供灵活的平台.

主要方法:

  • 开发了一种系统在芯片上的可编程现场网关阵列 (SoC-FPGA) 架构.
  • 集成软件定义无线电 (SDR) 技术与FPGA能效.
  • 设计和评估一个通用GNSS接收器作为研究试验台.

主要成果:

  • 证明了在静态和低地球轨道 (LEO) 场景中获取和跟踪GNSS信号的能力.
  • 评估了导航可观测的质量.
  • 评估了从原型接收器获得的导航解决方案的准确性.

结论:

  • 拟议的SoC-FPGA架构为先进GNSS接收器的原型设计提供了灵活和高效的解决方案.
  • 开发的试验台接收器成功获取和跟踪GNSS信号,验证其研究应用的性能.
  • 这种方法有助于探索创新的GNSS功能和系统设计.