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随着全球定位系统 GPS技术的广泛应用,GPS接收机制造商、OEM 集成商和合同制造商正在寻找适合的标准测试来验证 GPS接收机性能。验证过程需要在一个便于精确重复测试的可控环境中进行。大多数情况下,使用通过天线接收到的真实 GPS卫星信号无法提供这样的环境。
本文讨论了目前在 GPS接收机验证中采用的典型 GPS接收机测试。另外,文中还介绍了一个实时的 GPS信号仿真应用软件和平台,它能够生成所需的GPS信号,创建一个灵活且可重复的测试环境。
GPS (全球定位系统)是一种通过卫星进行定位的技术。它可以利用构成卫星星座的多个卫星广播的导航信号来确定用户在某时间点上的位置。目前的 GPS星座由 24 颗工作卫星组成,它们在距离地球大约 11,500 英里的轨道上运行。每颗卫星绕地球运行一周需要 12 个小时。GPS 星座中还包括一部分在轨备用卫星,当工作卫星出现故障时,可以启用备用卫星进行替代。
需要更多信息,请下载全球定位系统GPS接收机测试。
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