一种高性能的Q波段单片HEMT收发芯片已改进用于毫米波商用数字无线电系统。
A high performance Q-band monolithic HEMT transceiver chipset has been developed for millimeter-wave commercial digital radio systems.
另外，由于具有数字化软件性能，信号处理由一个可编程计算机完成，AMFJTRS系统可以与传统的无线电、波形和系统相结合。
Plus, since the capability is defined digitally in software and signal processing is handled by a programmable computer, AMF JTRS can interface with legacy radios, waveforms and systems.
提出了一种通用的数字中频软件无线电接收系统的设计及应用方案。
The design and application of a universal digital IF software radio receiving system is introduced in this paper.
海上导航和无线电通信设备及系统。数字接口。第2部分：高速传送的单个通话器和多个受话器。
Maritime navigation and radiocommunication equipment and systems - digital interfaces - part 2: single talker and multiple listeners, high - speed transmission.
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。
In this paper, the conception of SWR is introduced, and the structure of digital IF receiver system is discussed including its core technology.
本文讨论了软件无线电收发系统数字中频模块的实现方法。
This paper discusses the realization of the digital intermediate frequency modul in software radio system.
介绍了软件无线电的基本思想及结构，提出了一种基于可编程数字下变频器HSP50214B的中频软件无线电接收系统的设计方案。
The basic concept and architecture of software radio is introduced in this paper. And a type of software radio receiver based on programmable digital down converter (DDC) -hsp50214b is presented.
基于软件无线电思想介绍了一种可行的中频数字化接收机系统设计方案。
A feasible digital intermediate frequency receiver based on software radio technology is presented in this paper.
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。
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.
MW- 1500是用于无线电通信视线(LOS)信息传送的一种数字式微波通信系统。
The MW-1500 is a digital microwave communication system for radio line of sight (LOS) information transmission.
在系统(1)中，数字无线电信号被发送到无线电设备(3)。
In the system (1), digital radio signals are transmitted to the radio apparatus (3).
本课题将以FPGA为硬件载体，结合软件无线电技术设计实现数字中频扩频收发系统。
This paper is mainly about design and implementation of digital intermediate frequency (IF) transceiver combined with the software defined radios (SDR) technology based on FPGA.
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.
摘 要 ：提出了一种基于软件无线电思想的接收机中频数字化系统设计方案。
This paper presents the blue print of a kind of IF digital system based on the technology of software radio.
本文第一章介绍了第三代移动通信系统的现状，分析软件无线电中的数字下变频技术的研究现状，简单介绍了WCDMA。
The first chapter introduce the 3G actuality , analyze the digital-down converting's research actuality in software radio and introduce WCDMA briefly.
本文第一章介绍了第三代移动通信系统的现状，分析软件无线电中的数字下变频技术的研究现状，简单介绍了WCDMA。
The first chapter introduce the 3G actuality , analyze the digital-down converting's research actuality in software radio and introduce WCDMA briefly.
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