This paper gives out the IF design of a certain short-wave radios IF digitalization, introduces the elementary theory and a realized method of the IF digital receiver.
针对短波射频数字化对器件的要求较高，功耗较大，现在一般采用中频数字化技术。
The focus of this paper is how to implement the digital IF in wireless receiver efficiently.
本文的焦点正是如何高效的实现无线通信接收系统中的数字中频部分。
This paper introduces the design and analysis of software radio mind based IF digital radar receiver.
本文介绍了基于软件无线电思想的雷达中频数字化接收机的设计与性能分析。
In digital IF receiver based on IF sampling technology, one important issue of system design is how to realize wide instantaneous dynamic range, when the available digits of AD converter is limited.
在基于中频采样技术的数字中频接收机中，怎样在AD变换器位数受限的情况下实现较大的系统瞬时动态范围是系统设计中的一个重要问题。
In this paper, the conception of SWR is introduced, and the structure of digital IF receiver system is discussed including its core technology.
本文介绍了软件无线电的概念，探讨了数字中频接收机系统结构及其采用的关键技术。
At first, analog receiver is contrasted to digital receiver, and the feasibility and necessity of IF technology in radar signal processing are illuminated.
首先对模拟接收机和数字中频接收机进行了对比，得出采用数字中频处理雷达信号的可行性和必要性。
This subject has completed the research and development of a digital IF receiver based on PCI bus, associating with the proj.
本课题结合项目要求，设计实现了一种基于PCI总线结构的数字中频接收机。
The study of this paper indicate that the application of digital IF Software Radio framework is practicable in the receiver of the Satellite Positioning and Navigation system.
本文研究表明在卫星定位导航系统中使用中频数字化的软件无线电结构是可行的，同时大大简化了用硬件对接收的卫星信号进行处理时电路的复杂性。
This paper analyzes the digital down conversion (DDC) of wideband reconnaissance receiver IF digital signal based on polyphase filtering.
分析了基于多相滤波结构的宽带侦察接收机中频数字信号下变频处理方法。
The 12-channel IF sampling digital receiver array board is debugged and tested.
完成了十二通道接收机阵列的安装、软硬件联调和所有性能指标的测试。
The 12-channel IF sampling digital receiver array board is debugged and tested.
完成了十二通道接收机阵列的安装、软硬件联调和所有性能指标的测试。
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