A method of Group Delay measurement in Digital Radio System has been introduced in this article.
本文介绍了一种数字微波通信系统的群时延测量方法。
The MW-1500 is a digital microwave communication system for radio line of sight (LOS) information transmission.
1500是一种数字式微波通信系统用于视距(LOS)无线电信息传送。
The cellular digital packet data (CDPD) is a system which borrows idle radio channels from the existing cellular mobile telephone networks for packet data transmission.
蜂窝数字分组数据(CDPD)是利用现有的模拟蜂窝电话网来传输数据的一种新技术。
Based on the spread spectrum communication theory, combine digital signal-processing chip DSP and FPGA, this article researches and designs the receiver system for regional radio navigation.
本课题以扩频通信为理论基础，结合目前广泛使用的数字信号处理芯片DSP和FPGA，研究了区域无线电导航系统接收机数字信号处理平台。
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。
The BBC has just successfully demonstrated a new digital radio transmission system.
英国广播公司刚刚成功地演示了一套新的数字无线电传输系统。
Scheme is proposed of using a computer on sline and digital filtering technique to perform digital filtering and lane identification of the phase signals of a port radio navigation system.
本文提出了采用单片机和数字滤波技术对一种港口双曲线无线电导航系统的相位信号进行滤波处理和巷识别的方案。
In 1998, ETSI publicized TETRA protocal, which is a standard of digital trunked radio communication system.
TETRA协议是欧洲电信标准协会(etsi) 1998年公布的一种数字集群通信系统标准。
In the system (1), digital radio signals are transmitted to the radio apparatus (3).
在系统(1)中，数字无线电信号被发送到无线电设备(3)。
The MW-1500 is a digital microwave communication system for radio line of sight (LOS) information transmission.
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。
Recent years, with the rapid development of communication, the research of digital trunked radio communication system becomes more and more important.
近年来，随着通信的飞速发展，作为专用移动通信系统的数字集群通信系统的研究也变得越来越重要了。
The design and application of a universal digital IF software radio receiving system is introduced in this paper.
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。
This paper discusses the realization of the digital intermediate frequency modul in software radio system.
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。
The principle of implementing automatic test system of radio audio frequency lifesaving module based on the communication between computer and digital instrument based on GPIB bus is introduced.
介绍了基于GPIB总线的计算机与数字仪器之间的通信来实现电台音频救生模块的自动测试系统原理。
The radio broadcasting Network occupies a very important position in the radio computer integrated information system. It can be said it is the basis of digital broadcasting station.
广播全台网络是电台数字化的基础，因此在电台计算机综合信息系统中占据着相当重要的地位。
Radio processing and digital processing of the system are discussed respectively.
分别对该系统的射频处理和数字处理两部分进行了讨论。
The phase locked loop (PLL) frequency synthesizer for digital tuning system(DTS), which is used in DTS of car radio receiver, is presented.
针对一个汽车音响收音数字调谐系统的实例，介绍了一种广播用双波段锁相环频率合成芯片的设计方法。
This design is integrated with MCU control all of the above FM function ASIC design of a digital FM radio system.
本设计就是用单片机控制集成了上述所有FM功能的专用芯片，设计一个数字FM收音机系统。
This paper presents the blue print of a kind of IF digital system based on the technology of software radio.
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。
A Scheme is proposed of using a computer on sline and digital filtering technique to perform digital filtering and lane identification of the phase signals of a port radio navigation system.
本文提出了采用单片机和数字滤波技术对一种港口双曲线无线电导航系统的相位信号进行滤波处理和巷识别的方案。
Based on software defined radio theory, the digital IF acquisition system has the features of hardware-defined and system re-configured.
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。
To utilize the properties of ultra-wide bandwidth, the structure of ultra-wide bandwidth digital radio-on-fiber system was modified, and the system model was illustrated.
为了充分利用超宽带的特点，对数字光载无线系统进行了改进，并给出了系统模型。
To utilize the properties of ultra-wide bandwidth, the structure of ultra-wide bandwidth digital radio-on-fiber system was modified, and the system model was illustrated.
为了充分利用超宽带的特点，对数字光载无线系统进行了改进，并给出了系统模型。
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