软件定义的无线电(Software Defined Radio,SDR) 是一种无线电广播通信技术,它基于软件定义的无线通信协议而非通过硬连线实现。频带、空中接口协议和功能可通过软件下载和更新来升级,而不用完全更换硬件。
” 为应对5G灵活多样的应用,屠方泽表示,软件定义的无线电(Software Defined Radio,SDR)是20世纪90年代初美国提出的,由软件实现信道调制和解调的无线电系统。
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在美国国防部对软件定义无线电JTRS方案的推动下,美国海军已向合同商授予合同,设计并证明JTRS符合下一代MIDS要求。
With the Department of Defense advocating the software-defined radio approach of JTRS, the Navy has awarded contracts to engineer and qualify JTRS compliance into the next-generation MIDS.
在其最基本的形式,CR是混合动力技术涉及软件定义无线电(SDR)应用于扩频通信。
In its most basic form, CR is a hybrid technology involving software defined radio (SDR) as applied to spread spectrum communication.
建构于软件无线电理论的数字化中频接收系统,具备硬件可定义、功能可重配置的特点。
Based on software defined radio theory, the digital IF acquisition system has the features of hardware-defined and system re-configured.
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